Hydraulic jet device

FIELD: power industry.

SUBSTANCE: hydraulic jet device includes water conduit made in the form of system of channels with inlet water intake holes, which is located symmetrically relative to its longitudinal axis, vertical side walls common for all channels and horizontal curved walls in cross section of the channels, which form nozzles converging in the flow direction, which are meant for conversion of mechanical energy of the ship's pitching to hydraulic jet energy. At that, on each side wall of channels on outer side of water conduit there is vertical chamber with inlet hole on the side of front side of water conduit; vertical side walls have front and rear edges which are chamfered in the flow direction, each of which forms an angle respectively on the inlet side, to water conduit and on outlet side from it with vertex of an angle, which is located on longitudinal axis of water conduit; water conduit has upper and lower external channels, at least two internal upper and two internal lower channels and one central channel; at that, inlet water intake hole of central channel is located vertically, perpendicular to water conduit longitudinal axes; external walls of upper and lower external channels are concave relative to water conduit longitudinal axes; upper and lower walls of upper and lower internal channels respectively, which are common with channels adjacent to them of upper and lower external and internal channels, as well as upper and lower walls of central channel consist of straight plates with concave inlet section relative to water conduit longitudinal axis; at inlet of central channel in the middle between its horizontal curved walls there installed with possibility of being bent relative to its inlet edge is horizontal flat plate the inlet edge of which protrudes forward and is located in front of inlet water intake hole of central channel; at the inlet of external and internal channels there installed are flow turbulators made in the form of the rods located in middle section between curved walls across the flow entering the channels, and vertical chambers are formed with concave plates located along rear edge of vertical side walls so that concave plates form together with side walls of water conduit the convergent-divergent nozzles.

EFFECT: increasing use efficiency of hydraulic jet device at conversion of pitching energy of ship to hydraulic jet energy.

3 dwg

 

The invention relates to a device for converting wave energy, in particular for the conversion of energy fluctuations of the vessel in hydro jet energy, including during storm conditions with simultaneous decrease of pitching hydro jet device together with the device on which it is installed, for example a vessel.

A device for reducing the speed of drift of the vessel containing located in the forward Bulba symmetrically with respect to the median plane of the ship vertical input channels connected through swivel knees with the corresponding horizontal output channels to generate when the rolling of the ship keel traction force, which reduces the drift velocity of the vessel (see patent RU No. 2184047, 27.06.2002).

This device allows you to use the energy of the waves only in roll, pitch and which limits its capabilities.

Closest to the invention to the technical essence and the achieved result is hydro jet device containing made in the forward Bulba vessel conduit in which there is a means of converting mechanical energy pitching of the ship on the wave in hydro jet energy (see patent RU No. 2338088, CL F03B 13/14, 10.11.2008).

This device creates a hydro jet force. However, this device does not fully uses energy waves during its conversions is the training in hydro jet energy.

Task to be solved by the present invention is directed, is more than the full energy of the keel and heave when water runs on the device at an angle to its longitudinal axis.

The technical result achieved by the invention is to improve the efficiency of its use in the conversion of wave energy in hydro jet energy.

This problem is solved and the technical result is achieved due to the fact that the hydro jet device comprises a conduit, made in the form of arranged symmetrically about its longitudinal axis system of channels with input intake holes, vertical side walls, common to all channels and a horizontal cross-section of the channels curved walls forming a narrowing in the course of the stream nozzle to convert the mechanical energy of pitching of the ship in hydro jet energy on each side of the channels on the outside of the conduit is made of a vertical chamber with an inlet from the front side of the conduit, vertical side walls are made with beveled along the flow front and rear edges, each of which forms an angle, respectively, from the entrance to the conduit and exit from the top corner, located at about Olney axis of the conduit, the conduit has an upper and lower outer channels, at least two internal upper and two inner channels and one Central channel, and input the intake opening of the Central channel is vertically perpendicular to the longitudinal axis of the conduit, the outer wall of the upper and lower external channels are concave relative to the longitudinal axis of the conduit, the upper and lower walls respectively of the upper and lower inner channel, shared with adjacent channels, respectively, the upper and lower external and internal channels, and top and bottom walls of the Central channel is made of straight plates with convex relative to the longitudinal axis of the conduit inlet pipe, at the entrance to the Central channel in the middle between its horizontal curved walls are installed with the possibility of bending relative to its input edges of a horizontal flat plate, the input edge which is brought forward and placed in front of the entrance of the intake opening of the Central channel, at the entrance to the external and internal channels installed flow energizers, made in the form of rods, located in the middle section between the curved walls across which is included in the flow channels, and the vertical chamber formed along the rear edge of the vertical side with the yenok concave plates with the formation of the latter with the side walls of the conduit confused-cone nozzles.

During tests it was found that the execution of the hydro jet device in the form of systems comprising vertical side walls with beveled along the flow front and rear edges, and edges form an angle with the vertex located on the longitudinal axis of the conduit, the conduit has an upper and lower outer channels, at least two internal upper and lower channels and one Central channel, input the intake opening of the Central channel is vertically perpendicular to the longitudinal axis of the conduit, while the outer walls of the upper and lower external channels are concave relative to the longitudinal axis of the conduit, the upper and lower walls respectively of the upper and the lower internal channels, shared with adjacent channels, respectively, the upper and lower external and internal channels, and top and bottom walls of the Central channel is made of straight plates with convex relative to the longitudinal axis of the conduit inlet pipe at the entrance to the Central channel in the middle between its horizontal curved walls are installed with the possibility of bending relative to its input edges of a horizontal flat plate, the input edge which is brought forward and placed in front of the entrance of the intake opening of the Central channel, at the entrance to vneshnei internal channels installed flow energizers, made in the form of rods, located in the middle section between the curved walls across which is included in the flow channels, allows full use of the energy of the waves lapping on the device stream to convert their energy in hydro jet energy.

Install on each side of the conduit from its external side of the vertical confused with-diffuser profile chambers with the inlet side of the front of the conduit allows the use of emerging given the turbulence of the water jet at the output of these cameras to optimize the conditions of the output streams of water from the water supply in the full cycle of the keel and heave, leaving hydro jet device. Installed on the ship below the waterline on the spot nasal Bulba hydro jet device enables you to convert the energy of the vertical and pitching of the ship in hydro jet energy, which, in turn, allows to stabilize the position of the vessel in heavy weather sailing and reduce rocking of the ship. In addition, the device in combination with positive qualities Bulba to reduce the hydraulic resistance to the movement of the vessel converts the energy of pitching in hydro jet energy of a jet of water, which is at the front during the vessel is able to compensate some loss of speed when the vessel is in what is movig conditions against waves without increasing the speed of the screw, that saves fuel consumption in heavy weather sailing.

Figure 1 shows the longitudinal section of the hydro jet device.

Figure 2 presents the side view of the hydro jet device.

Figure 3 presents the cross-section a-a in figure 2,

Hydro jet device comprises a conduit 1 which has an upper 2 and lower 3 external channels, at least two inner top 4 and two inner bottom 5 channels and one Central channel 6, forming a system of channels 2, 3, 4, 5 and 6 of the conduit 1, passing in a pipe of rectangular cross section, formed by two vertical side walls 7, common to all channels 2, 3, 4, 5 and 6 and with trumpets, and a horizontal cross-section of the channels 2, 3, 4, 5 and 6 curved walls 8, 9 and 10, forming a narrowing in the course of the stream nozzle to convert the mechanical energy of pitching of the ship in hydro jet energy. The system of channels 2, 3, 4, 5 and 6, turning into a rectangular tube made symmetrically relative to the longitudinal axis of the conduit 1 with the input water intake holes from the front edge 11 of the vertical side walls 7, the latter is made with beveled along the flow front 11 and rear 12 edges, which form angles with the sides of the entrance to the conduit 1 and the exit from the top corner, located on the prod is through the axis of the conduit 1.

Input the intake opening of the Central channel 6 is vertically perpendicular to the longitudinal axis of the conduit 1, the outer wall 8 of the upper 2 and lower 3 external channels are concave relative to the longitudinal axis of the conduit 1. The upper and lower walls 9, respectively, the upper 4 and lower 5 internal channels, shared with adjacent channels, respectively, the top 2 and bottom 3 of the outer and inner 4 and 5 channels, and top and bottom walls 10 of the Central channel 6 is made of straight plates with convex relative to the longitudinal axis of the conduit inlet pipe. At the entrance into the Central channel 6 between its horizontal curved walls 10 is installed with the possibility of bending relative to its input edges of a horizontal flat plate 13, the input edge which is brought forward and placed in front of the entrance of the intake opening of the Central channel 6. At the entrance to the external and internal channels 2, 3, 4, 5 installed vortex generators 14 thread, made in the form of rods, for example, circular cross-section, located in the middle section between the curved walls 8 and 9 across is included in the channels 2, 3, 4, 5 thread.

On each side wall 7 channels 2, 3, 4, 5 and 6 on the outside of the conduit 1 has a vertical chamber 15 with the entrance hole from the front side of the conduit 1. Ve the vertical chamber 15 is formed along the rear edge 12 of the vertical side walls 7 concave plates 16 with the formation of the latter with the side walls 7 of the conduit 1 confused-cone nozzles with a direction flowing from it flow along the side walls 7 of the conduit 1.

Hydro jet device installed in the fore part of the hull and/or from the stern below the waterline, which allows hydro jet device to realize their potential fluctuations in the vessel in the direction of the vertical axis (up) and angular oscillations around a transverse axis (pitching).

Energy conversion pitching in reactive focus is the result of the filling of the Central channel 6, the internal channels 4 and 6 and the external channels 2 and 3 through the intake openings of the water and push the water flows by the pressure of the flow of water through these channels and rectangular pipes and outlet streams of water from a rectangular pipe with a speed greater than that at the entrance to these channels, and in the opposite direction to the movement of the vessel at the front of the fly, creating a hydrodynamic focusing.

Essentially hydrodynamic device or devices mounted or mounted on the hull of a ship, working as additional hydro jet propulsion, disposing the vibration energy of the mass of the ship in the incident wave and giving the vessel an additional "stop" when moving in forward motion against the waves.

When the vessel is moving forward the water flowing into the vertical chamber, accelerates and, dripping from them, optimise them is the duty to regulate the conditions of exit flows from the conduit hydro jet device as in surfacing the boat bow and/or stern (depending on the installation location of the hydro jet device), and when submerged due to pitching. Dripping from educated vertical chambers 14 confused-cone nozzles, the output of the latter is formed flow along the side walls of the conduit with turbulence specified direction.

As an example of the use of the hydro jet device offers a more detailed description of his work for the version of oscillation of the vessel around the transverse axis (pitching).

When driving the hydro jet device installed in the bow of the vessel, forward and upward in the water column moves hydro jet device forward and up. At the top of the outer channel 2, the upper inner channels 4 and into the Central channel 6 is intensively supplied water. Partially water enters the lower channels 3 and 5. Moreover, under the action of water flow horizontal flat plate 13 is bent down, allowing you to enter the flow of water into the Central channel 6 with less hydraulic losses and, consequently, to increase the rate of water flow at the outlet of the hydro jet device. At the entrance to the channels specified flows are under the pressure of the water lapping on the device.

The pressure of the incoming water provides flow through the above channels 2, 4 and 6, which change in a given direction along the vessel flows of water, as well as the POPs is up conditions for passing the flow of water through these channels 2, 4 and 6, forming a tapering nozzle, to create a owing stream compression higher than at the entrance, the velocity of the flow at the outlet of the hydrodynamic device that allows you to convert the energy of pitching in hydro jet force directed horizontally in the direction of travel of the vessel.

When driving forward end of the ship forward and down movement mounted on a fore end of the vessel hydro jet device forward and down. In the Central channel 6, and the lower channels 3 and 5 are intensively fed water. Partially water enters the upper channels 2 and 4. Otherwise, the same processes take place energy conversion pitching in hydro jet energy, as described above.

In addition, hydro jet device, campfire disturbing force, swinging ship, and counteracting these forces like hydrogenosome, both inside and outside of the hydro jet device is formed of multiple vortices, trying to maintain the position of their axes of rotation, helps to stabilize the position of the ship on course and reduce pitching of the vessel, especially in stormy conditions.

The present invention can be used wherever there is a need to transform wave energy, providing the pitching of the vessel, hydro jet energy producing job keeping near the STI on the front of the ship fly in stormy sailing conditions, first of all in the shipbuilding industry.

Hydro jet device containing a conduit, made in the form of arranged symmetrically about its longitudinal axis system of channels with input intake holes, vertical side walls, common to all channels and a horizontal cross-section of the channels curved walls forming a narrowing in the course of the stream nozzle to convert the mechanical energy of pitching of the ship in hydro jet energy on each side of the channels on the outside of the conduit is made of a vertical chamber with an inlet from the front side of the conduit, wherein the vertical side walls are made with beveled along the flow front and rear edges, each of which forms a angle respectively from the entrance to the conduit and exit from the top corner, located on the longitudinal axis of the conduit, the conduit has an upper and lower outer channels, at least two internal upper and two inner channels and one Central channel, and input the intake opening of the Central channel is vertically perpendicular to the longitudinal axis of the conduit, the outer wall of the upper and lower external channels are concave relative to the longitudinal OS the conduit, the upper and lower walls respectively of the upper and lower inner channels shared with adjacent channels, respectively, the upper and lower external and internal channels, and top and bottom walls of the Central channel is made of straight plates with convex relative to the longitudinal axis of the conduit inlet pipe at the entrance to the Central channel in the middle between its horizontal curved walls are installed with the possibility of bending relative to its input edges of a horizontal flat plate, the input edge which is brought forward and placed in front of the entrance of the intake opening of the Central channel, at the entrance to the external and internal channels installed flow energizers, made in the form of rods, arranged in the middle section between the curved walls across which is included in the flow channels, and the vertical chamber formed along the rear edge of the vertical side walls of the concave plates with the formation of the latter with the side walls of the conduit confused-cone nozzles.



 

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4 dwg

FIELD: power industry.

SUBSTANCE: hydraulic jet device includes water conduit made in the form of system of channels with inlet water intake holes, which are located symmetrically relative to its longitudinal axis, vertical side walls common for all channels and with curved walls which are horizontal in cross section of channels, forming nozzles converging in the flow direction and having the outlet holes for conversion of mechanical energy of the ship's rolling to hydraulic jet energy; at that, system contains two stages of energy conversion, which are located one after the other, each of the stages is made in the form of system of channels located one above the other in vertical longitudinal plane of the water conduit section and symmetrically relative to its longitudinal axis; at that, the first stage has two upper and lower external channels, at least two upper and lower internal channels, and one central channel, and the second stage has two upper and lower external channels and one central channel the input of which is interconnected with output of channels of the first stage; horizontal walls of channels are curved in longitudinal direction with plates, upper and lower external and internal channels of the first stage and upper and low external channels of the second stage are located opposite to each other, and inlet water intake hole of central channel is located in vertical plane perpendicular to longitudinal axis of water conduit; external walls of upper and lower external channels of the first and the second stages are concave relative to longitudinal axis of water conduit, upper and lower walls respectively of upper and lower internal channels of the first stage, which are common with lower and upper wall of upper and lower external channels of the first stage, as well as upper and lower walls of central channel of the second stage, which form lower and upper walls of external channels of the second stage are made of straight plates with inlet section which is convex relative to longitudinal axis of water conduit, and horizontal curved walls of central channel of the first stage are made of straight planes with the section concave relative to longitudinal water conduit axis and located on the side of inlet water intake hole and are at the same time the walls of upper and lower internal channels of the first stage; at that, at the input of the central channel between horizontal curved walls of central channel of the first stage there installed with possibility of being turned relative to its entering edge is horizontal plane plate the leading edge of which is taken forward and located before inlet water intake hole of central channel, at the output of the second stage there installed on water conduit is shell forming the channel divergent in the flow direction so that the second stage of water intake holes is formed above upper and under lower external channels, and in vertical side walls between rear edges of vertical side walls and front edges of vertical walls there made on the side of narrow inlet section of the shell are vertical slot-type holes.

EFFECT: increasing efficiency of its use during conversion of wave energy to hydraulic jet energy, increasing use efficiency of hydraulic jet device at conversion of wave energy to hydraulic jet energy.

FIELD: power industry.

SUBSTANCE: hydraulic jet device includes water conduit made in the form of system of channels with inlet water intake holes, which are located symmetrically relative to its longitudinal axis, vertical side walls common for all channels and with curved walls which are horizontal in cross section of channels, forming nozzles converging in the flow direction and having the outlet holes for conversion of mechanical energy of the ship's rolling to hydraulic jet energy; at that, system contains two stages of energy conversion, which are located one after the other, each of the stages is made in the form of system of channels located one above the other in vertical longitudinal plane of the water conduit section and symmetrically relative to its longitudinal axis; at that, the first stage has two upper and lower external channels, at least two upper and lower internal channels, and one central channel, and the second stage has two upper and lower external channels and one central channel the input of which is interconnected with output of channels of the first stage; horizontal walls of channels are curved in longitudinal direction with plates, upper and lower external and internal channels of the first stage and upper and low external channels of the second stage are located opposite to each other, and inlet water intake hole of central channel is located in vertical plane perpendicular to longitudinal axis of water conduit; external walls of upper and lower external channels of the first and the second stages are concave relative to longitudinal axis of water conduit, upper and lower walls respectively of upper and lower internal channels of the first stage, which are common with lower and upper wall of upper and lower external channels of the first stage, as well as upper and lower walls of central channel of the second stage, which form lower and upper walls of external channels of the second stage are made of straight plates with inlet section which is convex relative to longitudinal axis of water conduit, and horizontal curved walls of central channel of the first stage are made of straight planes with the section concave relative to longitudinal water conduit axis and located on the side of inlet water intake hole and are at the same time the walls of upper and lower internal channels of the first stage; at that, at the output of the second stage there installed on water conduit is the shell forming the channel diverging in the flow direction, and water intake holes are formed above upper external and under lower external channels of the second stage of water intake holes.

EFFECT: increasing use efficiency of hydraulic jet device at conversion of wave energy to hydraulic jet energy.

4 dwg

FIELD: transport.

SUBSTANCE: pitch-driven ship is a ship exploiting pitch energy to drive it at sufficient water heaving. Pitch-driven propulsor comprises elasto-vibrating wing that makes a propulsion generator. Said wing oscillates when ship hull pitches and is fitted on stream-lined posts-holders arranged below ship hull at preset depth. Water heaving at said depth can be considered zero, not decreasing the difference in vertical velocities of the wing and water (wing propulsion varies with square difference). To reach maximum wing propulsion, proposed propulsor is arranged nearby ship edge. Effect of separate wing increases if propulsor is mounted on every edge of the ship. Note that, in this case, propulsion and alternating acceleration are smoothed. Pitch-driven propulsor design is distinguished for by the number of posts-holders, i.e. one or two, and propulsor can be made lifting, rotary or fixed. Also there can be retractable wing extensions and wings can be made folding. Note that wing halves can vibrate independently. Proposed ship is with furnished with two pitch-driven propulsors. Flat horizontal flaps can be arranged on ship edges, nearby deadline, and screw propellers can be used in low heaving conditions.

EFFECT: increased range and speed, reduced fuel consumption.

8 cl, 27 dwg

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