Combined system of cooling of server rack elements (versions)
FIELD: heating system.
SUBSTANCE: combined system of cooling of heat-producing server rack elements, which includes at least one inner case with at least one heat-producing element placed in it, contains at least one cooling circuit in the form of contour heat pipe, including placed in the internal case radiator contacting thermally with heat-producing element, evaporator, installed at the base of the radiator, condenser, located on the outside of the inner case, associated by steam pipe and condensate pipe with the evaporator, liquid tire associated with condenser, while the condenser is designed as two U-shaped parallel plots of contour heat pipes, finned with radiator slats, assembled-thermally contacting with liquid tire using clamp mechanism made of extruded aluminium and mounted outside the case, wherein the clamp mechanism is executed in the form of U-shaped spring element with contour pipe condenser put in it, still associated with the case, whose spring strips are profiled for pressure radiator slats of condenser to liquid tire, and extruded aluminium ruler with the axle holes and milled samples, welded to the back wall of tire, while in ruler samples spring-loaded cams are made, fixed by axles, communicating by their ledges with both ends of spring strips of spring element, and outer spring strips plane, adjacent to the end.
EFFECT: widest possible universalization, which provides cooling the components of any plate, increasing the ease of maintenance, preventive maintenance and repair of a single blade and rack as a whole, ensuring manufacturability, low cost and ease of execution due to the widespread use of extruded aluminium profile, ensuring reliable, simple, automatic thermal contact of contour radiator heat pipe and liquid tire, increasing the cooling efficiency.
23 cl, 11 dwg
SUBSTANCE: invention relates to distillation industry in particular to method of beer heating by spent wash heat. The method includes beer supply to tube side of the shell-tube heat exchanger, at that spent wash is sent to the tube bundles of the other heat exchanger, and shell side is filled with liquid heating medium (luther, process water, rectified spirit) that is continuously transferred by the pump from shell side of one heat exchanger to the shell side of the other ensuring continuous circulation of the heating medium between two heat exchangers, and heat exchange in system spent wash-heating medium-beer.
EFFECT: method excludes blockage and necessity of shell side cleaning of heat exchangers.
1 dwg, 1 tbl, 2 ex
FIELD: power industry.
SUBSTANCE: magnetic fluid thermal pipe, comprising a tight cylindrical body partially filled by a coolant - a magnetic fluid, with zones of evaporation, condensation and transportation; a wick installed at the inner side of the body, an arterial electromagnet wick rigidly fixed inside the body coaxially with it, made of the protective body, a base body out of non-magnetic material designed to wind several electromagnetic inductance coils on it; coils are isolated from each other by dielectric separating washers, coils generate in the arterial wick in the base body a magnetic field directed along the axis of the magnetic fluid thermal pipe towards the evaporation zone.
EFFECT: invention reduces dimensions of the electromagnetic wick and ensures higher workability during manufacturing of the magnetic fluid thermal pipe operating in any position under action of the gravity forces and under null gravity conditions.
FIELD: power engineering.
SUBSTANCE: heat transfer method comprises the placement into the first heat carrier of the second heat carrier and heat exchange between them. The second heat carrier capable to movement in the first heat carrier due to reduction of its volume at temperature increase is used for transfer of the accumulated thermal energy. The thermal energy is accumulated in the upstream area of the first heat carrier with higher temperature, and the accumulated thermal energy is transferred to the downstream area of the first heat carrier with lower temperature. At temperature drop, the second heat carrier from the downstream area of the first heat carrier with lower temperature is moved to the upstream area of the first heat carrier with higher temperature at the expense of increase in its volume. Heat transfer device is usually designed with a possibility of return to the heat reception zone by the heat carrier when rebalancing between forces of its buoyancy and gravity as a result of temperature drop.
EFFECT: energy efficiency increase.
11 cl, 6 dwg
SUBSTANCE: invention proposes a heat exchanger, in which in a gas supply tube and a liquid supply tube of a unit of connection tubes, connection parts, in which aluminium tubes (the first cooling agent tubes: cooling agent tubes made from aluminium or aluminium alloy) and copper tubes (the second cooling agent tubes: cooling agent tubes made from copper or copper alloy) respectively are connected to each other, located in down-going parts of aluminium tubes. The unit of connection tubes is covered with heat-insulating material. Corrosion protective treatment is applied to aluminium tubes covered with heat-insulating material.
EFFECT: eliminating electrolytic corrosion of aluminium or aluminium alloy.
4 cl, 8 dwg
FIELD: machine building.
SUBSTANCE: in an evaporator-condenser of cascade refrigerating machines, comprising two coil heat exchangers connected to each other by heat conducting lamels, fixed on the common frame, the coils are submerged into an intermediate liquid coolant contained in the heat insulated body.
EFFECT: accumulation of cold in an intermediate coolant, which makes it possible to exclude synchronous start of compressors of both branches of a cascade and to reduce load at electric network and accordingly load at electric motors of compressors during their ramp-up time.
SUBSTANCE: proposed method of automatic temperature control of heat-generating equipment of space vehicle (SV) by controlling a heat flow in a radiator heat pipeline based on a contour heat pipe equipped with a microrefrigerator; with that, near the radiator there installed is a radiating control platform equipped with a temperature sensor, which is isolated from the radiator in a thermal ratio and installed in the same plate, as well as having the same thermooptic and specific characteristics as the radiator has. At issue of commands for activation or deactivation of the thermoelectric microrefrigerator for startup or stop of heat carrier circulation or increase of thermal resistance of the contour heat pipe there additionally analysed is temperature of the freely radiating control platform, as per the value of which available circulation of heat carrier in the outline heat pipe is evaluated.
EFFECT: improving quality of space vehicle equipment temperature control.
5 cl, 3 dwg
SUBSTANCE: heat exchanger contains pipeline made in the form of wall of a through cavity with outer surface and end sections. Also it contains external heat transfer elements attached to one end section. Wall of the through cavity of another end section is made in the form of an enveloping element of a through opening that is formed in the wall of the room. At that external heat transfer elements are made in the form of facing elements of the wall of the room being made from steel plates, pipes, channel sections, angle elements or bars. End sections are fastened to each other by metal fixing device.
EFFECT: improving efficiency of heat transfer from heat exchanger to ambient air enlarging functional capabilities of heat exchanger and the number of hardware.
SUBSTANCE: pipeline is made in the form of wall of a through cavity with outer surface and end sections. Besides external heat transfer elements are made and attached to one end section. Wall of a through cavity of another end section is made in the form of an enveloping element of a through opening, which is made in the wall of the room. At that external heat transfer elements are made in the form of facing elements of the wall of the room being made from steel plates, pipes, channel sections, angle elements or bars. End sections are fastened to each other by metal fixing device.
EFFECT: improving efficiency of heat transfer from heat exchanger to ambient air enlarging functional capabilities of heat exchanger and the number of hardware.
SUBSTANCE: pipeline is made by manufacturing a wall of a through cavity with outer surface, end sections and an intermediate section that is arranged between end sections. Besides, external heat transfer elements are made, which are attached to end sections. The wall of the through cavity of the intermediate section is made in the form of an enveloping element of a through opening, which is made in the wall of the room.
EFFECT: enlarging the number of hardware; improving heat transfer efficiency from heat exchanger to ambient air.
SUBSTANCE: heat exchanger includes a pipeline made in the form of a wall of a through cavity with outer surface, end sections and an intermediate section that is arranged between end sections. Besides, it includes external heat transfer elements that are attached to end sections. Wall of through cavity of the intermediate section is made in the form of an enveloping element of a through opening that is formed in the wall of the room.
EFFECT: enlarging the number of hardware, namely, creating a new site; improving heat transfer efficiency from heat exchanger to ambient air.
FIELD: heat and mass transfer processes, namely operation of evaporation- condensation systems.
SUBSTANCE: method for pumping heat transfer agent through duct having cavity and two openings, from first opening to second one comprises steps of filling cavity with heat transfer agent from first opening and displacing heat transfer agent from cavity to second opening through capillary partition mounted in duct in front of cavity and closing duct. Displacement is realized through second capillary partition mounted in duct in front of second opening and closing duct. During displacement, process preventing transfer of heat agent back from cavity to first opening is realized due to formation in capillary micro-ducts of first capillary partition inclusions consisting of gas and(or) vapor. It is possible to realize during filling stage, process preventing transfer of heat agent back to cavity from side of second opening due to formation in capillary micro-ducts of second capillary partition inclusions consisting of gas and(or) vapor. Method for pumping heat transfer agent through duct comprises steps of realizing repeated processes of liquid transfer in predetermined direction through duct from one end of duct to other end of duct due to inlet pressure exceeding outlet pressure and realizing repeated processes preventing heat agent transfer in direction opposite to preset direction when outlet pressure exceeds inlet pressure through capillary partition mounted in duct and closing it. Process preventing transfer of heat agent in direction opposite to preset direction when output pressure exceeds inlet pressure is realized due to formation in micro-ducts of capillary partition inclusions consisting of gas and(or) vapor. Capillary micro-ducts may have portions with cross size lowered in direction opposite relative to predetermined direction of pumping heat transfer agent through duct.
EFFECT: enhanced efficiency of evaporation-condensation apparatus operating due to pumping heat transfer agent at arbitrary spatial arrangement of members of apparatus having no movable mechanical parts and operating without action of mass forces, improved reliability of pumping heat transfer agent through duct.
13 cl, 24 dwg
FIELD: mechanical engineering.
SUBSTANCE: invention relates to heat exchange devices on base of heat pipes which can be used for cooling electronic devices, electrical and power sets. Proposed device contains cooling set, liquid circuit and heater. Connected by common volume to form two-layer heat panel-radiator with pyramidal convex-concave cells arranged in staggered order. It includes also thermoelectric refrigerator rigidly attached to said panel-radiator over entire surface. Liquid circuit contains branches of branches of loop heat pipes connected by condensate tubes to evaporators and by evaporating tubes, to condensers of heat pipes of said panel-radiator. Hydroaccumulator with heat carrier is provided which communicates with panel-radiator through tube with wick. Thermoelectric heater is connected to its outer surface, being provided with system of heat sensors of cooled set and its parts. Said sensors are connected through electronic amplifiers of control system with heater electric supply source. Device can be used for cooling either entire set or its separate units.
EFFECT: increased heat transfer coefficient, enlarged range of tolerable thermal power of cooled set and dynamic tracking of its changes, elimination of noises and vibrations at operation of cooling device.
FIELD: hat engineering.
SUBSTANCE: invention can be used in miniature loop heat pipes arranged in confined space. Proposed condenser of loop heat pipe includes cylindrical housing, end face cover with hole for connecting steam pipeline and coaxial insert with spacer blanked by end face conical deflector from side of steam pipeline installed inside housing with ring clearance and with clearance relative to end face cover. Condenser is provided with second end face cover with hole for connecting condensate line. Insert is installed with clearance relative to said cover, and spacer is made in from of wire spiral with diameter of wire equal to width of ring clearance, fastened on side surface of insert. Moreover, wire spiral has projecting straightline ends, length of each end being equal, accordingly, to width of clearance formed between end face of insert and corresponding end face cover of condenser. Insert is made form of solid rod or hollow, and is furnished, additionally, with end face stopper from side of condensate line.
EFFECT: improved operation.
FIELD: heat and power industry; production of the heat pipes used in the heat-exchange systems.
SUBSTANCE: the invention is intended for the heat-exchange and may be used in heat and power industry. The heat pipe contains the hermetic body with the evaporation zone heated by the heat-carrying medium, the adiabatic section and the cooled section of condensation with the located at the body internal surface of the capillary structure, which inside surface in the evaporation section forms the subsonic nozzle and in the part of the adiabatic section adjacent to the evaporation section forms the subsonic diffuser. At that the thickness of the capillary structure is made similar along the sections of evaporation, adiabatic and condensation, and the body in the evaporation section is made in the form of the subsonic nozzle, and in the part of the adiabatic section adjacent to the evaporation section - in the form of the subsonic diffuser. The invention ensures the possibility of realization in the evaporation section of the heat pipe of the at most possible heat flows with exclusion of the possibility of recuperation of the heat passing along the evaporation section.
EFFECT: the invention ensures the possibility of realization in the evaporation section of the heat pipe of the at most possible heat flows with exclusion of the possibility of recuperation of the heat passing along the evaporation section.
FIELD: pipeline transportation, possible use for heating liquid oil products, gaseous and liquid substances, contact of which with fire and hot products of combustion is undesirable.
SUBSTANCE: technological heater, primarily for stabilization of natural gas in gaseous state consists of pressurized vessel, filled with liquid intermediate heat carrier. Tubular convection heat exchange connected to main pipeline is installed in upper part of the pressurized vessel horizontally above the surface of liquid intermediate heat carrier. Steam generator, composed of flue tubes and immersed in intermediate liquid heat carrier, is positioned under tubular convection heat exchange. Inside each flue tube a turbulence promoter for gaseous products of combustion is installed. Upper ends of flue tubes are connected to smoke stack, and their lower ends are welded into the bottom of the pressurized vessel and connected to combustion chamber, wherein a burner device is positioned, which is connected to air supercharger by a forcing air duct. Pressurized vessel is connected to auxiliary vessel of normalizer of steam pressure of intermediate heat carrier, which auxiliary vessel comprises a stabilizing heat exchange and breathing pipe interconnected by lower ends. The upper end of stabilizing tubular heat exchange is connected by pressure control pipeline to upper part of main vessel. Auxiliary vessel is connected to lower part of pressurized vessel by return pipeline.
EFFECT: improved energy characteristics, reduced dimensions and metal cost of heater.
13 cl, 3 dwg
SUBSTANCE: pipe consists of a sealed partially refuelled case by a heat carrier, with zones for evaporation, condensation and transportation. In the transportation zone there is a mounting, forming a ring shaped pocket on the wall of the case and made with radial channels, with an open section at its ends, directed to the longitudinal axis of the case. The pipe can have an element for running-off the condensate, placed between the ends of the channels and the butt end of the case on the side of the evaporation zone.
EFFECT: higher heat transport ability; lower temperature of the condensate in the evaporation zone and higher intensity of heat removal in the evaporation zone.
7 cl, 6 dwg
FIELD: power engineering.
SUBSTANCE: gravity-assisted heat pipe comprises a leak-tight housing partially filled with heat transfer medium and fitted with evaporation, condensation and transportation zones as well as a heat removing element set in the housing and used for cooling agent circulation. The heat removing element is mounted in the transportation zone.
EFFECT: increasing heat transport ability of the heat pipe.
14 cl, 9 dwg
SUBSTANCE: invention concerns thermal power industry and can be applied in heat exchange process implementation, particularly in utilisation of low-potential thermal power. Multipipe heat exchanger (MPHE) includes case divided into cooling and heating chambers and housing thermal pipes consisting of case with evaporation, transportation (wick) and condensation zones filled partially with work fluid. Heat exchanger case houses: cooling chamber with hot medium inlet and outlet pipes and evaporation zone consisting of evaporation cartridges put in chequer order with inner surface coated with capillary material (wick) stripes forming grooves between them; collector frame with wick bulk, connected over holes to open ends of evaporation cartridges and cooling chamber wick stripes respectively; heating chamber featuring cold medium inlet and outlet pipes, where condensation zone includes condensation cartridges put also in chequer order with their axes displaced against axes of evaporation cartridges, and their cap connected to collector chamber wick bulk by lifting wicks passing through condensation cartridge centre without touching inner wall surface of cartridges, connected to holes in collector chamber cap. Transportation zone includes intercontacting stripes in evaporation cartridges of cooling chamber, bulk in collector chamber and removable stripes in condensation cartridges of wick heating chamber.
EFFECT: improved efficiency and reliability.
SUBSTANCE: heat-exchange system for cyclic heat-exchange system is implemented with ability of operation with usage of thermodynamic cycle and filling by refrigerating fluid. Heat-exchange system contains evaporator, enveloping part of cyclic heat-exchange system and allows wall, implemented with ability of thermal bonding with part of cyclic heat-exchange system for regulation of temperature of specified part, initial wick, connected by fluid to wall, and channel of steam removal, which is on interface between initial wick and wall; and condenser, connected by fluid with evaporator for formation of closed loop, which contains operating fluid for heat-exchange system. Thermodynamic system contains cyclic heat-exchange system. Method of temperature regulation of part of cyclic heat-exchange system, which is filled by refrigerating fluid, includes thermal bonding of evaporator wall with cyclic heat-exchange system for temperature regulation of part cyclic heat-exchange system.
EFFECT: effectiveness increase of thermodynamic system and method of temperature regulation.
31 cl, 87 dwg
SUBSTANCE: in heat-exchange apparatus, which contains body with bottoms, branch pipes of input and output of heat carrier in pipe and inter-pipe space, pipe grids, in whose openings conic (according to version 1) pipes, partitions, novelty lies in the fact that apparatus body is made conic and widening towards pipe widening. Deviation angle of body generating line relative to central axle is greater than angles of deviation of pipe generating lines relative to their axles. In heat-exchange apparatus (version 2) body is made conic, and pipes are made cylindrical, located at angle to central body axle, inclinations of cylindrical pipes getting smaller towards central pipe. Angle of deviation of generating line of body surface from its central axle is greater than angle of deviation of cylindrical pipes axles from central body axle.
EFFECT: increase of heat-exchange intensity with low metal consumption.
16 cl, 6 dwg