Testing or checking of ammunition (F42B35)

Universal device for ammunition inspection for firing suitability // 2640601
FIELD: weapon and ammunition.SUBSTANCE: device comprises a casing 1, a carrier for cartridge attachment 3 in the form of three spring-loaded expansion sectors 3.1, a threaded cover 3.2 to retain them and a threaded sleeve 3.3. The cartridge attachment assembly is detachable in accordance with the caliber, and also in accordance with the execution of the cartridge case with a protruding or non-protruding flange. The assembly is installed in a detachable hollow body 6. On the latter, a latch 4 is mounted on the thread with a shock-trigger mechanism, including a firing hammer and a dog 4.1. The detachable body 6 is made communicating by its cavity with a damping sleeve 5 with apertures 5.1 and a base 2, the base 2 is formed with a plurality of through holes 2.1 for the outflow of the powder gases when the cartridges are fired, and is additionally provided with a channel 2.2 closed on one side. The rotary latch 4 is replaceable in the form of two independent modules, one containing a firing hammer made with a spherical firing pin 4.2 to fire central-fire cartridges, and the other contains a firing hammer with a firing pin made in the form of two horns 4.3 to fire rim-fire cartridges. The body 4.4 of the rotary latch 4 is provided with a thread 4.5 and, after being screwed into the internal thread 6.1 in the removable hollow body 6 in the device state prepared for ammunition inspection for firing suitability, interacts with the end face of the threaded cover 3.2.EFFECT: expanded functionality with a simple design and technological execution.9 cl, 6 dwg

ethod of testing munition body for crushing ability // 2632089
FIELD: weapon and ammunition.SUBSTANCE: method involves filling the munition chamber with an incompressible fluid, placing the energy source in it, releasing energy from the source, and then fixing the results through video recording. As an energy source, an electric explosion of a conductive material is used, initiating a plasma-chemical reaction between the decomposition products of conductive material and liquid during the explosion. As a conducting material, metals that are located in the series of chemical activity to the left of hydrogen, their alloys or mechanical assemblies can be used, and as working fluid solutions of strong acids or their salts, for example sulfuric, nitric. For an electric explosion in a liquid, a set of ring conductors sequentially arranged in munition chamber is used, arranged in a plane perpendicular to the axis of the chamber, and exploded alternately in a given sequence with a time interval corresponding to the required explosive loading speed. In a set, conductors with different diameters or cross-sectional shapes can be used. Ring conductors can also be made in the form of a set of several turns of a cylindrical, conical or other spring, the contour of which corresponds to the configuration of the inner surface of munition chamber.EFFECT: reliability of the results obtained, reduction of danger level in the implementation of the method.6 cl, 3 dwg
ethod for determining critical conditions of destruction of detonating line charges cases and device for its implementation // 2631457
FIELD: blasting.SUBSTANCE: detonating line charge (DLC) case with a variable on length wall thickness is equipped by one of the known methods with blasting explosive - BE. Solid powder or individual, or mixed, plastic, pasty, plastisol or liquid. End sealing caps are installed, detonation initiation means is docked through lead charge, an explosive network is mounted and line charge is undermined. After the explosion, the minimum thickness of elongated charge case is measured, at which the shell retains its integrity, and then calculated from the known dependences the initial pressure on the contact surface of case and pressure on the outer surface of case for the measured value of critical thickness. This shock pressure is taken as the critical fracture pressure, to which corresponds a single-valued mass velocity at the front of the shock wave. In order to determine the critical conditions for the destruction of the inner case of multilayer line charge, a charge with a variable case thickness is undermined inside a massive cage made of a material of the outer layer of a double-layer charge, which is removed after undermining the DLC to remove the charge case from it. The device comprises a line charge case with an outer conical surface filled with a blasting explosive, a transfer charge, a detonation initiation means. It may contain end sealing caps from a thin structural metallic or non-metallic material and a massive cage of dense material with a wall thickness exceeding the case thickness of the conical line charge in its middle part by at least 10 times.EFFECT: increasing the efficiency and accuracy of determining critical conditions for the destruction of cases of detonating line charge, a significant reduction in time and material costs, the versatility of method.6 cl, 4 dwg

ethod for determining sensitivity of blasting explosives to mechanical impact // 2630340
FIELD: blasting.SUBSTANCE: invention relates to methods for determining the sensitivity of blasting explosives (BE) to mechanical impacts. The method includes placing the sample BE on an anvil in the center of which a circular section is cut, carrying out shock tests using a load with a central striker, characterized by variable parameters and mounted with the ability to perform reciprocating movements along vertical guides, recording and analyzing the results of measurements. Each of a series of BE test samples is placed before testing in an auxiliary device, which is installed in a cut. The auxiliary device represents two coaxially located monolithic cylinders centered by an external, destroyable after the explosion of the BE shell, BE sample is placed between the ends of the cylinders. The area of the end face of each cylinder must be at least one and a half times the area of BE spot. As cargo characterized by variable parameters, a cargo which is fixed at a constant height is used. The weight of cargo is changed from 0.1 kg to 25 kg with step of no more than 0.5 kg. The speed of cargo motion for all the test BE samplea is kept constant.EFFECT: invention makes it possible to increase the accuracy of reproducibility of measurement results and the correct determination of explosive properties.1 ex, 1 dwg, 1 tbl
Parameters determination method of splinter battlefield three-d distributed elements // 2627346
FIELD: weapon and ammunition.SUBSTANCE: in the method the hard frame system is used as the perforation facts detector, it consists of 6 square frames, made from the wooden square section bar with the side of 20 mm length, with attached to them barriers from polyfoam or polyurethane foam with the side of 1080 mm length, and the thickness 15 mm, spaced at the equal distance. The dimensional rulers are placed on the barriers. To record the temporal moments of the penetration facts, the digital high-speed camera with the resolution of at least 640×480 pixels at the speed of 19000 fps, set behind the protective structure on the tripod with the height h equal to 500 mm. The splinter chip collector is installed behind the outermost from explosion epicenter frame with the barrier, it consists of the wooden plate with the thickness 300 mm, with the square section and the side 1080 mm length, and the square-shaped ballistic textile package with side 1080 mm, consisting of 100 layers of aramid fabric layer TSVM DZ art. 56319.EFFECT: invention allows to reduce the explosions number of the tested ammunitions same type, to increase the number of the initial data obtained values, necessary for calculating the parameters of the splinter battlefield volume-distributed elements.6 cl, 2 dwg

ethod for determining depth of penetration of armour-piercing all-body caliber and sub-caliber projectiles into thick-walled obstacle // 2626474
FIELD: weapons and ammunition.SUBSTANCE: method for determining the depth of penetration of armour-piercing all-body caliber and sub-caliber projectiles into a thick-walled obstacle includes a shot by a projectile along an obstacle and the subsequent determination of its velocity by a Doppler locator before and after the hitting of the obstacle. The axis of the pattern direction of the radar antenna is oriented at the smallest angle to the final part of the trajectory of the projectile. The speed of the projectile is determined by the signal reflected from its bottom tail section. The penetration depth is determined by integrating the dependence of the velocity of the projectile from the start of the deceleration to the zero value obtained from the measurement results.EFFECT: method allows to increase the accuracy of the velocity measurement of the projectile, to obtain more reliable information in assessing the breakdown effect of projectiles.2 dwg
Generator of heated impulse granular jets // 2618267
FIELD: testing equipment.SUBSTANCE: device contains the hollow body with located inside subsequently and coaxially with the specified initial acceleration direction by the mechanism for the initial spring compression adjustment and the object throwing mechanism under the force of the spring released. The object throwing mechanism is provided with the open front part of the cylindrical channel, with the movable basin disposed inside it, bearing the throwing object, loaded by the compressed spring and held in the initial position by the trigger mechanism. The basin stroke limit switch is provided in the outlet part of cylindrical channel. The dose of heated hard granular heating carrier is taken as the throwing object, which has the initial packing of tapping or tap density with the average poriness 0.4. The hollow body is made from the heat resistant non-magnetic material. The basin is made of ferromagnetic material in the form of a cup with the opened front end, the rear drained bottom, the outer guiding locking belt at the rear part of the cup and inductive connection with the external heating inductor. The spring is connected with the mechanism of initial spring compression and the basin by means of the rod with supports at both ends. The trigger mechanism, equipped with the remote-controlled drive, keeps the spring compressed through the rod support. The opportunity to move the basin with acceleration up to the moment of locking belt impact to the anvil and the formation of the granular jet basin by the throwing object.EFFECT: increase of the device operation reliability due to the providing the possibility of creating the heat impulse with the specified power and duration on the surface of the igniting material.2 dwg

Device for experimental development of jet projectiles separation compartment with composit power sources // 2617823
FIELD: weapons and ammunition.SUBSTANCE: device contains the rigid base of the tray type. The investigated separation compartment with working chamber and the forced crossing unit is positioned therein. The device also contains the propellant charges with means of their initiation, simulation devices of leading and guided missile part and the recording device. The separation compartment is provided with afterburning charge and has the combustion chamber with the removable bottom and the volume compensator. The combustion chamber includes the additional boosting charge of the propelling or gas-generating type. It is equipped with involvement means of breakthrough gas-dynamic or exhaust mechanical action. It is provided with removable bottoms with standard membranes and adapted to destroy at the fixed load due to various types of thinning out or suction rods with adjustable length. The latters are associated with the detachable elements of the leading part simulaton device with the possibility to remove the plug from the bottom channel, connecting the working cavity with the combustion chamber at the required moment of the separation process. The sensors for changes registration of the main intraballistic parameters of the separation process are fastened at the fixed elements of the guided missile part simulation device, attached to the device base by means of the retractable stop.EFFECT: provision of opportunities to test products for the regulated impact actions, when using the charging chamber with the propellant charge.2 dwg

Grenade testing rig // 2612406
FIELD: weapons and ammunition.SUBSTANCE: grenade testing rig contains a gas generator formed by a cartridge chamber with the light weapon blank cartridge installed in it, a pressed breechblock with a cartridge trigger, an intermediate chamber between a barrel and the cartridge chamber, the smooth or rifled barrel installed with provision of pressing of the leading band of a grenade to the end of its guiding part by a shell simulator, a forcing unit, which is located between the intermediate chamber and the cartridge chamber, for blank cartridge charge and holes of a gas-dynamic link between the intermediate chamber and the barrel. The forcing unit for the blank cartridge charge is formed by the indestructible curtain adjoining to the cartridge chamber equally centered towards it and equipped by an axial projection located in the cartridge chamber, orifices performed on the perimeter of the curtain, and radial notches on its end performed from the axial projection to each orifice. Whereupon, the orifices are shifted relatively to the holes of the gas-dynamic link between the intermediate chamber and the barrel in the radial or circular directions, and the axial projection is performed with the diameter less than the cartridge neck bore opened.EFFECT: invention allows simplifying operation with the rig and cheapening of tests.2 dwg

ethod for qualitative determination of trotyl oil leakage in shells and mortar bombs, charged with trotyl // 2611799
FIELD: weapons and ammunition.SUBSTANCE: invention involves selection of samples of the investigated substance, by applying the filter paper strips to the released liquid by means of tweezers. When the liquid is detected on the thread of the shell spot, then the sampling is carried out by the brass scraper. The taken samples are dissolved in alcohol and (or) acetone by adding the solutions 10% KOH or 10% NH4OH. Evaluate the obtained result according to the colour of solution: dark brown, bright red and (or) using acetone into a deep red colour. Confirms the defect of releasing trotyl oil from trotyl.EFFECT: exclusion of military use of ammunitions, when it detects a defect in the form of trotyl oil leakage.1 dwg

ethod of determining projectile incendiary and device for its implementation // 2606897
FIELD: weapons and ammunition.SUBSTANCE: invention relates to testing ammunition and can be used at determination of incendiary effect of projectiles with delay-action fuses. Projectile velocity is measured by the formula V=S/t, where S is the distance between the sensors, t is the time of the projectile flight through the distance between the sensors, the receiver radiation is started with a time delay equal to the mathematically expected time of the projectile fuse delay. Experimental projectile radiation intensity parameter taken is the value of radiation intensity of the explosion products during their luminescence. Reference projectile radiation intensity parameter taken is the value of radiation intensity of the reference light source. Determined is the value of coefficient K3 of the projectile incendiary with indication of the value of its velocity V. Device uses a recorder of the projectile velocity, the second button “Reset”. Projectile velocity recorder input is connected through the second button “Reset” with the power supply source, the recorder output is connected to the radiation source input.EFFECT: technical result is higher accuracy of determining coefficient K3 of the projectile incendiary.3 cl, 4 dwg

ethod of remote controlled combat module parameters estimating and transformable system for its implementation // 2603177
FIELD: defense equipment.SUBSTANCE: invention relates to defense equipment, particularly to methods of remote controlled combat module parameters estimating. To implement method and perform estimating of remote controlled combat module parameters system is used, made with possibility to transform article connecting circuit and implementation of 8 circuits solutions. During circuit solutions implementation load equivalent is installed on rotary platform, article is switched on and required test is selected, then manipulations with rotary platform are performed. Transformable system for parameters estimating method implementing contains verification unit, article electrical system, electrical connectors and set of connecting cables.EFFECT: method of remote controlled combat module parameters estimating and transformable system for its implementation.2 cl, 8 dwg

ethod of detecting explosive charge blasting contained in test object, and explosion delay from the moment of the test object contact with obstacle and device for its implementation // 2597034
FIELD: measuring equipment; test equipment.SUBSTANCE: method includes registration of optical radiation in the spectrum of photodiode sensitivity, accompanying initiation of explosive charge (EC), in the test object (TO). Registration of optical radiation, accompanying initiation of TO content, with the help of at least two photodetectors, containing photodiodes, operating in photodiode mode. First photodetector is placed at the measurement site and radiation in front of and behind obstacle in the direction of TO movement is recorded. Second photodetector is behind an obstacle and records the radiation in blue spectrum, that enables recovering initial moment of ES detonation, located in the TO he with additional "parasitic" light strikings. Moment of collision with the obstacle is registered. Device comprises at least two photodetectors with photodiodes placed at the measurement site, operating in photodiode mode, connected to recorders. First photodetector records the radiation in the spectrum of photodiode sensitivity in front of and behind the obstacle in the direction of TO movement, contact sensor of breakdown type mounted on the front obstacle surface in the direction of TO movement. Second photodetector is placed behind the obstacle, light filter is installed at the input of the measuring channel of the second photodetector.EFFECT: invention allows confirming the blasting charge and determining the time interval between test object collision with obstacle and blasting charge.2 cl, 1 dwg

ethod for ammunition test // 2596552
FIELD: test equipment.SUBSTANCE: invention relates to testing equipment and can be used in designing and development of new samples of ammunition. Method includes mechanical and/or climatic action on ammunition and subsequent assessment of its condition on the set of state of all components and ammunition in whole. Exposure is performed on the physical model of the real ammunition body without external multilayer composite coating of the real body and with power base from carbon steel, thickness and internal mounting surfaces of which corresponds to those of the power base of the real body, and elements for installation of test equipment and cargoes to ensure preset mass-balancing characteristics are placed on external surface of the physical model.EFFECT: invention usage allows to significantly reduce time of ammunition ground trial and considerably reduce its cost.1 cl, 2 dwg

ethod for selecting images for identification of weapon from striker trace // 2595181
FIELD: weapons and ammunition.SUBSTANCE: invention relates to identification of firearms from traces of striker with individual feature spot of arbitrary shape by processing digital images of traces of strikers and their further analysis. Investigated shell is scanned to produce original digital image of investigated striker trace in grayscale. Local variations of gradations are smoothed. Smoothed initial digital image of striker trace is converted into binary black-and-white image, in which background has one colour, and individual attribute of other. Individual feature descriptors are measured, which do not depend on orientation of image, represented by area S perimeter P, maximum Imax and minimum Imin moments of inertia. Method includes selecting similar images of striker trace with individual feature in form of spot of arbitrary shape from database of trace images. From traces selected from image database, sampling images of traces with closest values of descriptors S, P, Imax, Imin. Method includes presenting a loop of individual attribute of analysed trace and traces, selected from trace image database in form of N standard complex vectors. Finding magnitude of normalised scalar product of loop of analysed trace with loops selected from a database of traces. For identification of firearm, selecting from a database of images of traces with greatest value of maximum magnitude of normalised scalar product of loops. EFFECT: higher efficiency of formation of priority of a list of images based on degree of similarity thereof with analysed trace by eliminating effect of orientation of images on comparison result, as well as accelerated selection of images based on degree of similarity thereof with the analysed by simplifying calculations.2 cl, 7 dwg, 9 tbl

ethod for determining ammunition fugacity characteristics // 2595033
FIELD: weapons and ammunition.SUBSTANCE: method of determining characteristics of fugacity of ammunition includes generation of air blast wave (ABW) by means of explosion of ammunition, detecting change in geometrical characteristics of a witness object, subject to action of ABW, and subsequent determination of fugacity characteristics. Witness-object used is a horizontal platform having a layer of deformable material with given mechanical properties. Result of exposure to ABW with subsequent determination of fugacity characteristics is measured by means of video recording and/or by change of penetration characteristics of witness material. Witness material used is deformable material with elastic properties, liquid highly viscous material or irreversibly deformable material. Layer of deformable witness material can be performed in form of an elastic membrane or in form of multiple elastic elements of limited width crossing in centre of platform.EFFECT: invention increases accuracy of determining shock-wave characteristics of surface explosions.6 cl, 6 dwg

ethod for determining ammunition fugacity characteristics // 2593518
FIELD: measuring equipment; test equipment. SUBSTANCE: invention relates to methods for detecting objects tests heaving action. Method involves arrangement pressure sensors on the surface of the measurement site on the measuring beams, in given directions and at given distances from explosion point, installation of test ammunition at a given point with further blasting or its explosion at a given point during movement recording characteristics of the passing air blast wave in the measurement points. Explosion point is placed over the surface of the measurement site at a given height, at that, several sensors are additionally installed at the blasting height, and ammunition is optionally displaced in vertical direction. Additional sensors are placed at the height of blasting on the measuring beam, which is parallel to one of the ground one, or alternatively linearly at several heights at inclined beam, projection of which coincides with the ground one. Vertical movement of the test ammunition is performed by mortar start. EFFECT: invention increases accuracy of measurements and range of impact-wave characteristics. 5 cl, 6 dwg, 3 tbl

ethod for determining characteristics of actuation of detonating device // 2590960
FIELD: measuring equipment.SUBSTANCE: method for determining characteristics of detonating device actuation relates to measurement equipment, and can be applied to determining characteristics of detonating device actuation that provides for initiation of explosive substance (ES) charges, particularly for determining moment of ES charge initiation by detonating device relative to moment of involve pulse supply. Knowledge of these time moments simplifies design and development of initiation systems, wherein detonating devices are included, for calculation of their gas-dynamic characteristics. Proposed method comprises supply of involve pulse and generation of detonation wave in ES charge of detonating device, which involves ES charge being initiated. Moment of involve pulse supply to detonating device and moment of detonation pulse transfer to initiated charge are determined. Recording of second moment is performed at least by one optical sensor based on fibre-optic line installed perpendicular to axis of detonating device and facing one end towards area of detonation transfer, and another end towards recording equipment. Detecting light flashes of optical radiation is performed by conversion light signal into electric one, whereof moment of transmitting detonation pulse to initiated ES charge is registered relative to moment of involve pulse supply to detonating device.EFFECT: invention increases reliability of information during tests.1 cl, 2 dwg

ethod of solving the main problem of outer shell non-controlled jet projectiles long storage life // 2590841
FIELD: weapons and ammunition.SUBSTANCE: invention relates to weapons and can be used for determination of firing distance uncontrolled Jet projectiles long storage life. In the considered area problem is solved with regard to Jet hole bombs range mine-torpedo weapons navy for cases when a powder charge of solid propellant jet engine subject to gerontological changes, connected with its long-term storage. Taking into account assumptions possible obtain rapid evaluation of gerontological changes of powder charge SPRE, which is the most important in making a decision on expediency of prescribing non-controlled projectiles long storage life. In case of positive decision on application of non-controlled Jet projectiles long storage life is amended on distance of shooting in kind of gerontological change of powder charge SPRE.EFFECT: high efficiency of using non-controlled Jet projectiles when firing at the specified target.1 cl, 10 dwg

ethod of testing projectiles and bench therefor // 2587614
FIELD: test equipment.SUBSTANCE: invention relates to testing equipment and can be used for analysis of functioning of projectiles on missile truck. Method involves installation of shell on missile truck at preset angle to rail guide, placing target at specified distance from truck at specified angle of shell rendezvous with the surface of target, accelerating projectile around its longitudinal axis to specified angular speed, rocket engine start-up, missile acceleration to preset speed. Test bench for missiles comprises missile track with rail guide fixed on foundation, rocket truck installed on guide by means of shoes containing solid-propellant rocket engine, and target. At that, test bench comprises projectile rotation device, which is configured to control speed of rotation of projectile, which is rigidly fixed on rocket track guides, housing rigidly fixed on rocket carriage, shaft installed in housing at specified angle to rail guide to turn about its longitudinal axis. Front end of shaft is designed to fix shell, and back end is connected with projectile rotation device with possibility of disconnection.EFFECT: invention allows to ensure autonomous development of operability of shell with ambient parameters of target approach.2 cl, 4 dwg

ethod for determining characteristics of actuation of pyrotechnic articles under thermal action and device therefor // 2583979
FIELD: pyrotechnics.SUBSTANCE: group of inventions relates to equipment for testing of pyrotechnic articles (PI). Method of determining characteristics of spontaneous actuation of PI includes applying thermal action on housing with a given heating rate until its spontaneous actuation and measuring temperature of PI housing at which spontaneous actuation occurred. Said operation is repeated in turns with other similar PI with specified pitch at heating rate to obtain dependence of temperature of spontaneous operation of heating time of housing to define time of spontaneous actuation PI in emergent lowering using calculated rate of heating housing of PI. Device comprises heater with working chamber, temperature measurement means installed on housing of PI and connected to temperature recorder, power supply with controlled output, connected to heater, which is made in form of a heat radiator and located along outer contour of working chamber. Working chamber is made of transparent electrically insulating material and together with heater is placed into insulating jacket.EFFECT: possibility of determining time of spontaneous actuation of PI depending on rate of heating of housing of PI.2 cl, 2 dwg

Determination of blast coordinates and projectile energy characteristics at tests // 2570025
FIELD: weapons and ammunition.SUBSTANCE: claimed process comprises the placing of several video cameras with timing devices referenced to the test site coordinates system at the test site as well as bench marks in the field of vision of said cameras. Then, the projectile is recorded at its blasting by high-speed photography from several positions. Said high-speed photography is realized by the process which provides for the visualization of the air shockwave front. Then, footage is broken down to select two shots for the blast coordinates determination. Said two shots are made from the most remote point relative to the blast point corresponding to one time moment from the start of shooting.EFFECT: higher accuracy of location and determination of projectile energy characteristics at tests.3 cl, 8 dwg

ethod of determination of thermal action of tested object // 2563705
FIELD: test equipment.SUBSTANCE: invention relates to methods of determination of thermal action of tested objects (TO). In the test control point (TCP) the information sensor is installed which has a geodetic binding to the spatial frame of references of the test site (TS), on TO the beacon is installed, TO beacons are switched on, and temperature measuring instruments with the transceiving antenna, each connected to the array of n temperature sensors located in each IT, by the information sensor the signals from TO beacon and temperature measuring instruments are received, the received signals are processed, spatial coordinates of TO and measuring temperature instruments in TS are determined, coordinates of TO and measuring instruments of temperature are saved in PC memory, the beacon is removed from TO, TO is blasted, the maximum temperature is taken, the temperature in time and thermal impulse in each measuring point are changed, the profile of the thermal field in the measuring point is measured, the results of measurements are processed and the parameters of thermal field in each measuring point are saved in the computer memory block, the test document is generated in the automated mode.EFFECT: informational content of tests is improved, automation of processes of delivery, processing and storage of results of tests is achieved.3 cl, 2 dwg

Targets layout for testing ammunition with circular fragmentation field // 2562871
FIELD: weapons and ammunition.SUBSTANCE: targets layout comprises a vertical wall, a rack for placing the ammunition in a horizontal position, a system of undermining, and a system of registration of the fragments. The vertical wall is made in the form of a set of shields that cover the angle of flight of the fragments in a horizontal plane and located from the centre of the targets layout at distances proportional to the density of the fragmentation field in the direction of flight.EFFECT: improved accuracy of measurements with the ability of using automated systems for collecting and processing information about the fragmentation fields of the test ammunition.2 dwg

ethod of testing ammunition for hydraulic shock // 2523740
FIELD: weapons and ammunition.SUBSTANCE: method of testing ammunition for hydraulic shock is that the standard compartment is made sealed, it is equipped with closing filler neck and filled completely with liquid. Increasing successively the density of the field of destruction of the test ammunition, complete destruction of the compartment is achieved due to hydraulic shock, for the case of complete destruction of the typical compartment the value of critical average maximum pressure of the hydraulic shock is measured, occurring in the compartment after breaking with the destruction elements of the test ammunition of front wall of the compartment. The critical energy of the hydraulic shock in the compartment is calculated, the specific critical energy of flow of the destruction elements for a typical compartment is calculated, then the value of the critical exponent of the hydraulic shock for a typical compartment is calculated. The value of the average maximum pressure of the hydraulic shock occurring in the typical compartment after breaking with destruction elements of the test ammunition of the compartment front wall is measured. The specific energy of the hydraulic shock in the compartment is calculated, the indicator value of the hydraulic shock of the field of destruction of the test ammunition is calculated. The value of the indicator of the hydraulic shock of the field of destruction of the test ammunition is compared with the value of the critical exponent of the hydraulic shock. On the results of comparing the ability of the field of destruction of the test ammunition is determined to create the hydraulic shock in the compartments of the technical objects filled with fluid, and also the fields of destruction of ammunition are compared among them (on hydraulic shock).EFFECT: increase in information capacity of the method by determining the results of exposure to the field of destruction of ammunition into technical object compartments, filled with liquid, namely estimates of the hydraulic shock phenomenon arising in the compartments of the technical objects filled with liquid, under the influence of the field of destruction of ammunition.1 dwg

ethod of determining characteristics of fougasseness (versions) // 2522740
FIELD: weapons and ammunition.SUBSTANCE: group of inventions relates to the field of testing ammunition. When testing the shot of test object is made in the form of a fragment or a miniature model of ammunition from the ballistic installation, its charge is exploded in the given point, the characteristics of the passing air shock wave are recorded, formed when blasting of the test object having at the time of blasting the own speed, and their distribution in the half-space. Using the method of similarity and the obtained coefficients, the characteristics of fougasseness of real ammunition are determined, having the own speed, and their distribution in an infinite space. According to the second embodiment, after placement on the rigid surface of measuring platform of pressure sensors the shot of ammunition from the ballistic installation is made, its charge is exploded in the given point, and the characteristics of the passing air shock wave are recorded, formed when blasting the ammunition. Using the method of similarity, the characteristics of fougasseness of the ammunition are determined, having the own speed, and their distribution in an infinite space.EFFECT: possibility of experimental determination of the characteristics of fougasseness close to the absolute values when blasting the ammunition having the own flight speed is provided.2 cl, 1 dwg

ethod of remote ammunition piercing effect estimation and device to this end // 2521932
FIELD: weapons and ammunition.SUBSTANCE: semi-cylinder target composed of N sectors of contactless sensors is mounted to define differential law of splinters distribution in direction of separation in every echelon of ammunition splinter field proceeding from fixation of coordinates of operated sensors of photoreceiver set in picture plane. Then, weight of splinters is defined. Law of splinters distribution by weight in every echelon of ammunition splinter field is defined. Now, maximum depth of obstacle penetrated by splinter is determined. Proposed device comprises blast chamber, initiator and ammunition, PC, radar velocity metre and semi-cylinder target.EFFECT: higher efficiency of tests.5 cl, 13 dwg

ethod of remote ammunition incendiary effect estimation and device to this end // 2521460
FIELD: weapons and ammunition.SUBSTANCE: proposed method comprises initiation of consecutive blasting of the set of test ammunition with complete coverage of hit fields of standard fuel compartment simulator inlet wall with subsequent formation of shell-holes in fuel tank simulator. It includes a direct contact between blasting products, fragments, vapours and fuel effluent from fuel tank simulator shell-holes, ignition and combustion of fuel, and fuel ignition registration. Proposed device comprises test projectile, standard fuel tank simulator, preset-depth metal plate, radiation receiver, signal processor, initiator and blast chamber with the slot. Slot width and length allows selecting of projectile hit fields and set of test projectiles.EFFECT: higher accuracy of estimation.2 cl, 2 dwg

ethod for determining characteristics of fragmentation field of ammunition, and device for its implementation // 2519618
FIELD: weapons and ammunition.SUBSTANCE: method consists in arrangement of a semi-cylindrical target made in the form of N sectors of proximity detectors and determination of a differential law of distribution of fragments in dispersion directions in each echelon of the fragmentation filed of ammunitions based on fixation of coordinates of actuated sensitive elements of a photoelectric detector in an image plane. Then, mass of fragments is determined. After that, law of distribution of fragments by mass is determined in each echelon of the ammunition fragmentation field based on determination of mass and fixation of coordinates of actuated sensitive elements in space. The device includes a blasting chamber, an initiation device and ammunition, PC, a radar speed metre and a semi-cylindrical target made in the form of proximity detectors with N sectors, N units of primary information processing. The blasting chamber has a slot, the width and length of which allows catching the part of ammunition fragmentation field. Radar speed metre consists of in-series connected antenna, high-frequency generator, a unit of broad-band amplifiers, n filters, the first inputs of n switches; with that, the second inputs of n switches are connected to the initiation device output. Outputs of n switches are connected with n inputs of PC.EFFECT: improving test informativity.5 cl, 5 dwg

ethod for determining characteristics of fragmentation field of ammunition, and device for its implementation // 2519617
FIELD: weapons and ammunition.SUBSTANCE: ammunition is blasted in a blasting chamber and time dependence of filtered Doppler frequencies of signals reflected from the part of fragmentation field relative to ammunition blasting moment is obtained. Speeds of leading and closing fragments, average speed and depth of the fragmentation field are determined as per time dependence of filtered Doppler frequencies of signals reflected from the part of the fragmentation field relative to ammunition blasting moment. A semi-cylindrical target made in the form of N sectors of proximity detectors is arranged, and a differential law of distribution of fragments as to dispersion directions is determined based on fixation of coordinates of actuated sensitive elements of lines of photoreceivers in the image plane. Then, a law of distribution of fragments as to their mass is determined based on fixation of coordinates of actuated sensitive elements of lines of photoreceivers in space. Time intervals are determined between echelons of the fragmentation field of ammunition based on fixation of sequence of actuations of sensitive elements of the photoreceiver line, which are located along Z axis. After that, dynamics of variation of the law of fragment distribution as to direction and mass is determined based on fixation of the combination of actuated sensitive elements of photoreceiver lines in the image plane relative to Z axis. The device includes a blasting chamber, an initiation device and ammunition, microPC, a radar speed metre and a semi-cylindrical target.EFFECT: improving test informativity.6 cl, 6 dwg

Computer-aided assessment method of efficiency of destructive effect of remote-action ammunition, and device for its implementation // 2519616
FIELD: weapons and ammunition.SUBSTANCE: when performing tests, there determined in a computer-aided mode are laws of distribution of destructive elements of an ammunition destruction field by shape, weight, directions and separation velocity, total number of destructive elements, values of destructive effect of a remote ammunition destruction fields. Relationships binding the indices characterising destructive effect of the remote ammunition destruction field with values of its physical factors and technical characteristics of the destructed object at minimum required number of tests are obtained (specified). Coordinate law of destruction of the test object is built. Value of integral characteristic of destructive effect efficiency of remote-action ammunition is determined for the test object. Remote ammunitions are compared to each other as to integral characteristic value. The device includes a throwing device, a bore-sighting tube, a test object, the first and the second units of proximity detectors, a unit of transmitting device, a unit for determining indices of ammunition destructive effect and a value of integral characteristic of ammunition efficiency, an initiation device and an explosion chamber.EFFECT: improving efficiency and accuracy of obtaining input data; reducing labour intensity and cost of tests.5 cl, 6 dwg

ethod for determining characteristics of fragmentation field of ammunition, and device for its implementation // 2519615
FIELD: weapons and ammunition.SUBSTANCE: method consists in blasting of ammunition in a blasting chamber and obtaining of time dependence of filtered Doppler frequencies of signals reflected from the part of fragmentation field relative to ammunition blasting moment. Radar speed metre is set so that axis of antenna directivity pattern comprises acute angle α with a plane passing through ammunition longitudinal axis and longitudinal axis of a slot of the blasting chamber. Doppler frequencies of signals reflected from the part of fragmentation field are filtered when the field is located within the directivity pattern of the radar speed metre. Speeds of leading and closing fragments, average speed and depth of the fragmentation field are determined as per time dependence of filtered Doppler frequencies of signals reflected from the part of the fragmentation field relative to ammunition blasting moment. Dynamics of development of the ammunition fragmentation field is determined by discretisation of a measurement process at analysis of signals reflected from the part of the fragmentation field. The device includes a target, a blasting chamber, an ammunition, an initiation device, a radar speed metre, a microPC, an antenna drive, a drive sensor, a digital-to-analogue converter and a unit for determining characteristics of ammunition fragmentation field. The blasting chamber has a slot, the width and length of which allows catching the part of ammunition fragmentation field. Radar metre consists of in-series connected antenna, high-frequency generator and a unit of broad-band amplifiers, n filters and n switches.EFFECT: improving test informativity.2 cl, 2 dwg

ethod for determining propellant effect of test object // 2519614
FIELD: measurement equipment.SUBSTANCE: informative sensor having geodetic connection to a system of spatial coordinates of a test site is installed in a test control room. Then, a beacon is installed on the test object; the beacon of the test object and pressure meters having a receiving and transmitting antenna are switched on; each of them is connected to a matrix of n sensors of air blast wave, which are located at each measurement point. The informative sensor receives signals from the beacon of the test object and the pressure meters. After that, received signals are processed; spatial coordinates of the test object and pressure meters at the test site are determined; coordinates of the test object and pressure meters are stored in PC memory. The beacon is removed from the test object; the test object is blasted; parameters and average speed of air blast wave is measured at each measurement point. As per request of the information sensor readings fixed in pressure meters in the test control room are transmitted. Measurement results are processed and parameters of air blast wave are recorded at each measurement points to PC memory unit. Then, a test document is created in an automatic mode.EFFECT: improving test informativity.3 cl, 2 dwg

ethod for determining characteristics of fragmentation field of ammunition, and device for its implementation // 2519611
FIELD: weapons and ammunition.SUBSTANCE: method consists in arrangement of a semi-cylindrical target and determination of a differential law of fragment distribution in dispersion directions in each echelon of ammunition fragmentation field based on a subsequent fixation of combinations of coordinates of actuated matrix elements of sensitive elements of photoreceiver lines in an image plane relative to the first line of matrix of sensitive elements of the line of photoreceivers located along X axis. Mass of fragments is determined. Law of distribution of fragments by mass is determined in each echelon of a fragmentation field of ammunitions based on subsequent fixation of a combination of actuation coordinates of matrix elements of sensitive elements of photoreceivers in space. Number of echelons of an ammunition fragmentation field is determined based on determination of actuation sequences of the first line of matrix elements of sensitive elements of the photoreceiver line located along X axis. After that, dynamics of variation of fragment distribution as to direction and mass is determined in each echelon of the ammunition fragmentation field based on fixation of combinations of actuated matrix elements of sensitive elements of the photoreceiver line in space relative to each line of matrix elements of sensitive elements of photoreceivers located along Z axis. The device includes a blasting chamber, an initiation device and ammunition, microPC, a radar speed metre and a semi-cylindrical target.EFFECT: improving test informativity.5 cl, 5 dwg

ethod for determining characteristics of fragmentation field of ammunition, and device for its implementation // 2519608
FIELD: weapons and ammunition.SUBSTANCE: ammunition is blasted in a blasting chamber and time dependence of filtered Doppler frequencies of signals reflected from the part of fragmentation field relative to ammunition blasting moment is obtained. Radar speed meter is installed so that axis of antenna directivity pattern comprises acute angle α with the plane passing through longitudinal axis of ammunition and longitudinal axis of the slot of the blasting chamber. Doppler frequencies of signals reflected from the fragmentation field part are filtered when the field is located within the directivity pattern of the radar speed meter. Speeds of leading and closing fragments, average speed and depth of the fragmentation field are determined as per time dependence of filtered Doppler frequencies of signals reflected from the part of the fragmentation field relative to ammunition blasting moment. Then, number of fragmentation field echelons is determined. The device includes a blasting chamber, a semi-cylindrical target, ammunition, an initiation device and a radar speed meter.EFFECT: improving test informativity.2 cl, 2 dwg

ethod of determining characteristics of fragmentation field of ammunition and device for its implementation // 2518678
FIELD: weapons and ammunition.SUBSTANCE: method consists in placing of a semi-cylindrical target made in the form of N sectors of proximity sensors and determination of a differential law of distribution of the fragments on the directions of emission in each serial of the fragmentation ammunition field on the basis of fixation of coordinates of triggered sensitive elements of photodetectors line in the plate plane. Then the mass of the fragments is determined. Then the distribution law of the fragments by weight is determined in each serial of the fragmentation ammunition field. Then the average weight of the fragment is determined on the basis of the law of distribution of the fragments on their weights. The density flux of the fragments is determined. Then the mathematical expectation of the number of damaging fragments falling into the goal is determined. The device comprises a blasting chamber, an initiation device and the ammunition, a personal computer, a radar-location velocity metre and a semi-cylindrical target made in the form of contactless sensors with N sectors, N blocks of primary processing of information. The blasting chamber has a slit which width and length enable to capture a part of fragmentation ammunition field. The radar-location metre consists of sequentially connected antennas, a high-frequency generator, a unit of broad-band amplifiers, n filters, the first inputs of n keys, and the second inputs of n keys are connected to the output of the initiation device. Outputs of n keys are connected with n inputs of the personal computer.EFFECT: increase in informational content of the tests.5 cl, 11 dwg

ethod for determining characteristics of shell coverage field, and device for its implementation // 2502947
FIELD: weapons and ammunition.SUBSTANCE: invention provides for additional arrangement of two sensors at the specified distance between them; build-up of a structure of sensors in the form of three perpendicular lines of emitting diodes and photoreceivers; blasting of the shell on the motion trajectory and formation of a shell coverage field. Instants of time and number of subsequent actuations of elements of photoreceivers of additional sensors during movement of echelon groups of shell fragments to a target are recorded; time intervals between echelon groups of shell fragments are determined based on recording of sequences of sensors actuation moments. Then, a combination of actuated elements of photoreceivers is fixed in three planes; a coordinate of actuated elements of photoreceivers is determined based on information on the combination of actuated elements of photoreceivers. Then, a combination of actuated elements of photoreceivers is fixed in three planes; a coordinate of actuated elements of photoreceivers is determined based on information on the combination of actuated elements of photoreceivers. Besides, three coordinates of movement vectors of echelon groups of shell fragments and approach angles of echelon groups of shell fragments to the target are determined. Values of movement speeds of echelon groups of shell fragments, geometrical sizes of echelon groups of shell fragments in three planes and approach angles of echelon groups of shell fragments to the target are indicated.EFFECT: improving informativity of ammunition tests.5 cl, 7 dwg

ethod to determine characteristics of actuation of pyrotechnical items with electric initiation and device for its realisation // 2495367
FIELD: testing equipment.SUBSTANCE: electric current from a DC source is supplied to an incandescence element of a pyrotechnical item, the current supply moment t1 and the current value I are fixed. The moment is fixed for ignition of the pyrotechnical item charge t2 by the moment of current surge on the element of incandescence of the pyrotechnical item, and the time is detected for initiation of the pyrotechnical item T, as the difference between the moment of ignition of the pyrotechnical item charge t2 and the moment of DC supply t1. The device for determination of pyrotechnical item actuation characteristics consists of a breaking circuit with a source of power supply connected to an element of incandescence of a pyrotechnical item. The device includes a unit of initiation time determination. The break circuit comprises the serially connected components: a power supply source, a key for circuit closing, an element of incandescence of a pyrotechnical item, a device for measurement of current force in the breaking circuit. The output of the current force measurement device is electrically connected to the input of the initiation time determination unit. The power supply source is made in the form of a DC voltage source.EFFECT: improved reliability of tests.3 cl, 1 dwg

ethod to determine characteristics of actuation of pyrotechnical items with electric initiation and device for its realisation // 2495366
FIELD: testing equipment.SUBSTANCE: electric current from a DC source is supplied to the element of incandescence of a pyrotechnical item, the moment t1 of current supply is fixed, as well as the value of the supplied current I. The moment of pyrotechnical item charge ignition t2 is fixed by the moment of vibration occurrence on the body of the pyrotechnical item, the time is defined for initiation of the pyrotechnical item T and for production of dependence of initiation time T on different values of the supplied current I, the above operations are repeated at different values of current. The device for determination of pyrotechnical item actuation characteristics consists of a breaking circuit with a source of power supply connected to an element of incandescence of a pyrotechnical item. It includes a device for vibration detection installed on a pyrotechnical item, and a unit for determination of initiation time. The break circuit comprises the following serially connected components: a power supply source, a key for circuit closing, an element of incandescence of a pyrotechnical item, a device for measurement of current force in the breaking circuit. Outputs of the vibration detection device and current force measurement device are electrically connected to inputs of the initiation time determination unit.EFFECT: improved reliability of tests.2 cl, 1 dwg

ethod to test fragmentation ammunition with axisymmetric field of fragment emission and bench for its realisation // 2493538
FIELD: weapons and ammunition.SUBSTANCE: method includes blasting of ammunition installed into the specified position in the centre of a profiled target wall marked into zones corresponding to directions of fragment emission in the accepted system of coordinates, registration of hits, capturing and count of fragments getting into each area, measurement of dimensions and area of holes. Evaluation of qualitative and quantitative characteristics of the fragmentation field by weights, speeds, shape and size of fragments is realised by means of registration, recording and further processing of signals from electret sensors placed in appropriate zones of the target wall and equal to them in dimensions. The bench for realisation of the method comprises a profiled target wall made as capable of adjustment of curve radius. The wall lining is made in the form of a set of electret sensors, separately electrically connected with a computerised system of registration and recording. Sensor electrodes are made from mechanically fine-dispersed metal particles.EFFECT: increased accuracy of measurements.10 cl, 15 dwg

ethod of remote ammunition piercing effect estimation and device to this end // 2491501
FIELD: weapons and ammunition.SUBSTANCE: ammunition warhead is blasted by initiation device in blast chamber in the limits of dihedral angle Δθ. Preset-thickness screen is secured at preset distance. Mean velocity V1 of warhead hitting field is defined by time-dependent filtered Doppler frequencies of signals reflected from the section of hitting field. Said field flows in the boundaries of said dihedral angle from the moment of explosive blast to arrival of hitting elements to fixed screen. Mean velocity V2 of warhead hitting field is defined by time-dependent filtered Doppler frequencies of signals reflected from the section of hitting field after piecing said screen to define piercing capacity of hitting field. Invention covers also the device for implementation of above described method.EFFECT: higher accuracy of estimation.3 cl, 2 dwg

ethod to determine initiating capacity of remote ammunition and related device // 2490589
FIELD: weapons and ammunition.SUBSTANCE: method to determine initiating capacity of a remote ammunition consists in the fact that an initiating impact wave in a passive explosive charge is caused by a field of destruction of the remote ammunition warhead, change of parameters of the initiating impact wave of the passive ammunition is done by changing parameters of the destruction field of trial warheads, blasting of warheads is done with the help of an initiation device, critical parameters of the initiating impact wave are determined by reduction of parameters of the destruction field of the trial warhead set down to minimum values, at which the passive charge is initiated, the value of the index of the initiating action of the remote ammunition warhead is determined, parameters of the destruction field of the trial warhead set are reduced to values resulting in appearance of the mechanical damage of the passive charge with damaging elements, parameters of the initiating impact wave are determined at permanent specified thickness of a damper for the passive charge in inert version, the value of the initiation index is determined, the value of the limit initiation index is determined. Also a device for the method realisation is described.EFFECT: higher accuracy of determination of an initiating capacity of a remote ammunition warhead.2 cl, 2 dwg

ethod to determine efficiency of landmine action of concentrated and fractional distributed explosive charges of equal mass // 2490588
FIELD: weapons and ammunition.SUBSTANCE: method consists in separate determination of explosion energy of concentrated and fractional distributed explosive charges of equal mass for different shapes and dimensions of a closed vessel, leaving its inner volume permanent, comparison of explosion energy values for identical vessels and determination of efficiency of landmine action, according to comparison results, for the concentrated and fractional distributed explosive charges of equal mass. The explosion energy is determined by average maximum pressure of the impact wave at inner walls of the vessel.EFFECT: improved validity of testing.2 dwg

ethod for testing of ammunition for air shock and device for its realisation // 2484421
FIELD: weapons and ammunition.SUBSTANCE: ammunition is exploded in an exploding chamber with a slot, width and length of which makes it possible to separate a part of the ammunition fragment cloud, which flies in direction determined by a dihedral angle Δθ, a set of test ammunition is serially exploded with full coverage by a destruction field of the inlet wall of the typical section, serially increasing density of the destruction field of test ammunition, full damage of the section is achieved by an air shock, side walls of the typical section are equipped with n sensors connected to n devices for measurement of pressure and pulse of an impact wave, the value of critical average maximum pressure of an air shock occurring in the section after piercing of the inlet section wall with damaging elements of test ammunition is measured for a case of total damage of the typical section, the critical energy of the air shock in the section is calculated, the specific critical energy of damaging elements flow is calculated for the typical section, and the value of the critical air shock index for the typical section is calculated. The device is an exploding chamber comprising a slot, a typical section with replaceable walls, n sensors installed in side alls of the section and n meters of impact wave pressure and pulse.EFFECT: improved reliability of tests.2 cl, 1 dwg

ethod to determine characteristics of fragment cloud of projectile and device for its implementation // 2482440
FIELD: weapons and ammunition.SUBSTANCE: projectile is exploded on the trajectory of movement, and a fragment cloud of the projectile is formed, the number of projectile fragments is determined on the basis of analysis of the number of serially actuated sensitive elements of photodetector lines, coordinates of projectile fragments movement are determined on the basis of information on spatial positions of actuated sensitive elements of photodetector lines, the speed of projectile fragments motion is determined, geometric dimensions of projectile fragments are determined, the mass of fragments is determined, angles of fragments approaching to the target are determined, parameters of the impact wave are determined in close proximity from the target, the produced data is recorded into a memory unit, and data is transferred along a line of non-contact communication to a micro PC. The method is implemented with the help of a device comprising spaced sensors and measuring units with multiple logical elements OR and AND, with the help of which information on the completed test is processed and sent to the micro PC.EFFECT: increased information value of tests.4 cl, 7 dwg

ethod of fragmentation ammunition testing and bench for its realisation // 2482439
FIELD: weapons and ammunition.SUBSTANCE: ammunition is installed in the centre of a shield target layout, which is arranged in the form of a semi-cylindrical vertical wall, the ammunition is placed in a horizontal position on a stand with height equal to half of wall height, ammunition axes are matched with a straight line connecting vertical ends of the wall, additionally two contactless sensors are introduced, which are installed at the specified distance between each other and are arranged in the form of semi-cylindrical vertical walls, comprising N - sectors, which contain perpendicularly arranged lines of photodetectors and radiators, speeds of fragment echelons are determined in each sector, due to fixation of time moments of actuations of photodetector elements of the first and second sensors in process of missile fragment motion towards the target. Further the number of missile fragment echelons is determined, spatial positions are fixed for actuated sensitive elements of photodetector lines in the plane, data is transferred to a micro PC, coordinates of fragment motion are determined, and geometric dimensions of fragments are determined.EFFECT: increased efficiency of experimental data processing.3 cl, 8 dwg

ethod of fragmentation ammunition testing and bench for its realisation // 2482438
FIELD: weapons and ammunition.SUBSTANCE: in process of testing two contactless sensors are used, coordinates of shell fragments motion are determined on the basis of information on spatial position of actuated sensitive elements of photodetector lines, the speed of fragments motion is determined, geometric dimensions of shell fragments are determined, the mass of fragments is defined, changes in coordinates of fragments motion are fixed relative to the first and second sensor, and on the basis of the produced data the coordinates of shell fragments motion vectors are identified.EFFECT: increased efficiency of experimental data processing.3 cl, 7 dwg

ethod of controlling electric parameters of weapons system and computer-aided complex to this end // 2475696
FIELD: weapons and ammunition.SUBSTANCE: proposed complex consists of a set of separate complete functional units: transformer unit, power supply, control unit, remote control unit with indicator and audio warning system (telephone), switch unit for programmable generation of stimulus signals. Proposed complex is equipped with signal simulators composed of dummy rocket launcher an rocket stimulus bench. The latter is furnished with connector assembly provided with terminal box. This set is complete with cable harness and connector assemblies. Rocket and launching mechanism are tested at said bench.EFFECT: reliable and simplified design, self-testing, readjustment and reconfiguration versions.2 cl, 5 dwg

ethod to determine characteristics of fragment cloud of projectile and device for its implementation // 2470310
FIELD: measurement equipment.SUBSTANCE: invention refers to field tests of ammunition and may be used, in particular, to vary characteristics of a fragment cloud of a projectile. The method consists in blasting of a projectile on the movement trajectory, formation of the fragment cloud of the projectile, detection of the quantity of projectile fragments based on analysis of quantity of serial actuations of sensitive elements of photodetector arrays, and detection of coordinates and speeds of movement of projectile fragments on the basis of information on spatial positions of actuated sensitive elements of photodetector arrays. The device comprises four spaced sensors arranged in the form of arrays of radiating diodes and arrays of photodetectors, and also a device for throwing a projectile and actuation of a projectile detonating fuse, units of measurements and calculations.EFFECT: invention makes it possible to increase information value.4 cl, 6 dwg

ethod of defining characteristics of ammunition fragmentation field and device to this end // 2451263
FIELD: weapons and ammunition.SUBSTANCE: ammunition is exploded in explosion chamber to obtain time dependence of filtered Doppler frequencies of signals reflected from portion of fragmentation field particles upon ammunition blasting moment. For this radar speed meter is arranged so that antenna pattern axis makes acute angle α with plane crossing ammunition lengthwise axis and explosion chamber lengthwise axis. Doppler signal frequencies are filtered for field located within limits of antenna pattern. Velocities of all particles are defined by time dependence of aforesaid signal upon ammunition blasting moment. Proposed device for testing ammunition 1 comprises semi cylinder target 2, explosion chamber 3, initiator 4 and radar velocity meter. Velocity meter comprises antenna 5, HF oscillator 6, broadband amplifier unit 7, n filters 8, and n switches 9. Second inputs of switches 9 are connected to output of initiator 4. Outputs of switches 9 are connected to PC inputs 10.EFFECT: increased data content of tests.2 cl, 2 dwg
 
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