CN209707063U - A kind of supercavity generates and control device - Google Patents
A kind of supercavity generates and control device Download PDFInfo
- Publication number
- CN209707063U CN209707063U CN201920327423.2U CN201920327423U CN209707063U CN 209707063 U CN209707063 U CN 209707063U CN 201920327423 U CN201920327423 U CN 201920327423U CN 209707063 U CN209707063 U CN 209707063U
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- supercavity
- generates
- water tank
- control device
- model
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Abstract
A kind of supercavity generates and control device, including emitter, water tank, vacuole generator and waterway circulating device, the vacuole generator includes jet nozzle and glass plate, and gap is equipped between the outlet and glass plate of jet nozzle, and the gap is vacuole water export；The emitter includes high pressure gas cylinder, air gauge, high-pressure cylinder and transmitting tube, the outlet of the high pressure gas cylinder is connected by the entrance of tracheae and high-pressure cylinder, air gauge is set on the high-pressure cylinder, and the outlet of the high-pressure cylinder is connect with transmitting tube, and navigation body Model is located in transmitting tube；The waterway circulating device includes centrifugal pump, straight tube and bend pipe, and the straight tube is connect with bend pipe, and centrifugal pump is arranged between two bend pipes, wherein the vacuole generator is arranged in the junction of a straight tube and water tank.The utility model is capable of providing to the underwater sailing body run at high speed that supercavity in the case of different vacuolations generates and the supercavity crumbled and fall generates and control device.
Description
Technical field
The utility model belongs to the hydrodynamics and control field of autonomous underwater vehicle, and in particular to a kind of supercavity is raw
At and control device.
Background technique
Supercavitating vehicle is that one kind is navigated by water by complete bubbles layer is formed around sail body under water to realize to completely cut off
Body surface face and fluid contact, reach and reduce fluid resistance suffered by sail body and realize the underwater sailing body for accelerating purpose.
Either for manned or unmanned underwater sailing body, realize that high speed operation is always that it is pursued
Target.Even most fast conventional underwater sailing body, its speed are also limited to 40m/s or so.The original of this limitation
Caused by being the friction resistance force generated due to sail body surface.When an object moves in a fluid, water flow layer can be tight
The surface of article attaching simultaneously pulls it to its opposite direction moved.This interaction causes to produce very big resistance on object
Power, and this resistance is usually called skin friction resistance.In recent years, improve underwater sailing body speed in terms of people
Extensive research is done.But most of research is concentrated mainly on the propulsion system for streamlining organizations and improving sail body.These
Although method has been demonstrated, can be improved speed, but its frictional resistance does not greatly reduce.Underwater sailing body supercavity
Generation is not only related with the pressure for vaporization of fluid, and the size and number also with gas core in liquid has direct relation.Flow field condition and
The difference of movable body geometry (head shape of movable body --- cavitation device) etc., makes vacuole show different shapes.Closely
People achieve certain achievement for the research of supercavity phenomenon over year, but relative to theoretical and numerical simulation aspect, lead to
The research achievement for crossing laboratory facilities acquirement is relatively fewer, and data are also insufficient.
Summary of the invention
In order to overcome the shortcomings of that prior art lacks the drag reduction experimental study test of underwater high-speed navigation body, the utility model
It provides and a kind of be capable of providing to the underwater sailing body run at high speed supercavity in the case of different vacuolations and generate and crumble and fall
Supercavity generate and control device.
The technical scheme adopted by the utility model to solve the technical problem is as follows:
A kind of supercavity generates and control device, including emitter, water tank, vacuole generator and waterway circulating device,
The vacuole generator includes jet nozzle and glass plate, gap is equipped between the outlet and glass plate of jet nozzle, between described
Gap is vacuole water export；The emitter includes high pressure gas cylinder, air gauge, high-pressure cylinder and transmitting tube, the high pressure gas
The outlet of bottle is connected by the entrance of tracheae and high-pressure cylinder, and air gauge is arranged on the high-pressure cylinder, the high-pressure cylinder
Outlet is connect with transmitting tube, and navigation body Model is located in transmitting tube；The waterway circulating device includes centrifugal pump, straight tube and curved
Pipe, the straight tube are connect with bend pipe, and centrifugal pump is arranged between two bend pipes, wherein institute is arranged in the junction of a straight tube and water tank
State vacuole generator.
Further, coupled between the high-pressure cylinder and transmitting tube, between transmitting tube and water tank by flange and screw thread joins
It connects.
Further, pass through flange and thread connection between the straight tube and bend pipe.
The water tank and another straight tube pass through weld connection.
The front setting water hole visor of the water tank.
Driving navigation body Model accelerates in transmitting tube, and model is made to obtain enough initial velocities in transmitting tube exit
It injects in water tank；The initial velocity is by changing the initial gas chamber pressure of high-pressure cylinder come the desirable value of implementation model, institute
The initial velocity stated should meet:
Wherein, V is the initial velocity that model is injected in water；ρ is model densities；For bullet bottom pressure；L is model length；L
To emit length of tube；D is transmitting pipe diameter.
The beneficial effects of the utility model are mainly manifested in: compensating for the drag reduction examination of the underwater high-speed navigation body lacked at present
Test research test；Be capable of providing it is a kind of to the underwater sailing body run at high speed in the case of different vacuolations supercavity generate and
The test platform crumbled and fall.
Detailed description of the invention
Fig. 1 is the schematic diagram of vacuole generator.
Fig. 2 is the schematic diagram of emitter and water tank.
Fig. 3 is the schematic diagram of supercavity generation and control device.
Specific embodiment
The utility model is further described with reference to the accompanying drawing.
Referring to Fig.1~Fig. 3, a kind of supercavity generates and control device, including emitter 15, water tank 8, vacuole generator
14 and waterway circulating device 13,
Structure such as Fig. 1 of the vacuole generator 14, structure include jet nozzle 2 and glass plate 1, utilize impinging jet glass
Glass plate 1 is to generate vacuole.
Structure such as Fig. 2 of the emitter 15, primary structure include high pressure gas cylinder 3, air gauge 4,5 and of high-pressure cylinder
Transmitting tube 6, the high pressure gas cylinder 3 are directly to use gas under compressive state as power source, the outlet of the high pressure gas cylinder 3
It is connect by tracheae with the entrance of high-pressure cylinder 5, air gauge 4, the outlet of the high-pressure cylinder 5 is set on the high-pressure cylinder 5
It is connect with transmitting tube 6, driving navigation body Model 7 accelerates in transmitting tube 6, and it is enough to obtain model in 6 exit of transmitting tube
Initial velocity, inject water tank in.
Coupled between the high-pressure cylinder 5 and transmitting tube 6, between transmitting tube 6 and water tank 8 by flange and thread connection
The initial velocity can be facilitated needed for implementation model by changing the initial gas chamber pressure of high-pressure cylinder
Value, the initial velocity should meet:
Wherein, V is the initial velocity that model is injected in water；ρ is model densities；For bullet bottom pressure；L is model length；L
To emit length of tube；D is transmitting pipe diameter.
The waterway circulating device structure is as shown in figure 3, include centrifugal pump 12, straight tube 10 and bend pipe 11, the straight tube 10
It is connect with bend pipe 11, centrifugal pump 12 is set between two bend pipes 11, wherein the sky is arranged in the junction of a straight tube and water tank 8
Steep generator 14.Recycle the water in water tank 8 by centrifugal pump 12, but also by the vacuole generator 14
The vacuole of generation is flowed into the entire circulatory system, changes entire 8 cavitation number of water tank.And by change water flow flow Q and
Spacing H controls the size of bubble.The vacuole generates system and will generate in vacuole importing inlet tank 8, makes the water in water tank 8
With certain number of bubbles.
Pass through flange and thread connection between the straight tube 10 and bend pipe 11.
The water tank 8 passes through weld connection with another straight tube.
The front setting water hole visor 9 of the water tank 8 observes the production of bubble around sail body using high speed photography
Raw situation, studies the generation situation of sail body supercavity in different gasifications.
The scheme of the present embodiment compensates for the drag reduction experimental study test of the underwater high-speed navigation body lacked at present.This is practical
Novel device be capable of providing it is a kind of to the underwater sailing body run at high speed in the case of different vacuolations supercavity generate and
The test platform crumbled and fall.It is set for the working efficiency and subsequent experimental bench of research supercavity drag reduction technology and Submerged moving body
Meter, emulation and emulation experiment provide experiment basis.
The protection scope of the utility model includes but is not limited to embodiment of above, and the protection scope of the utility model is to weigh
Subject to sharp claim, replacement, deformation, the improvement that those skilled in the art that any pair of this technology is made is readily apparent that are each fallen within
The protection scope of the utility model.
Claims (6)
1. a kind of supercavity generates and control device, which is characterized in that including emitter, water tank, vacuole generator and water route
Circulator, the vacuole generator includes jet nozzle and glass plate, between being equipped between the outlet and glass plate of jet nozzle
Gap, the gap are vacuole water export；The emitter includes high pressure gas cylinder, air gauge, high-pressure cylinder and transmitting tube, institute
The outlet for stating high pressure gas cylinder is connected by the entrance of tracheae and high-pressure cylinder, and air gauge, the height is arranged on the high-pressure cylinder
The outlet of air cylinder is connect with transmitting tube, and navigation body Model is located in transmitting tube；The waterway circulating device includes centrifugal pump, straight
Pipe and bend pipe, the straight tube are connect with bend pipe, centrifugal pump are arranged between two bend pipes, wherein the junction of a straight tube and water tank
The vacuole generator is set.
2. a kind of supercavity as described in claim 1 generates and control device, which is characterized in that the high-pressure cylinder and transmitting
Coupled between pipe, between transmitting tube and water tank by flange and thread connection.
3. a kind of supercavity as claimed in claim 1 or 2 generates and control device, which is characterized in that the straight tube and bend pipe
Between pass through flange and thread connection.
4. a kind of supercavity as claimed in claim 1 or 2 generates and control device, which is characterized in that the water tank with it is another
Root straight tube passes through weld connection.
5. a kind of supercavity as claimed in claim 1 or 2 generates and control device, which is characterized in that it is described water tank just
Water hole visor is arranged in face.
6. a kind of supercavity as claimed in claim 1 or 2 generates and control device, which is characterized in that driving navigation body Model
Accelerate in transmitting tube, and so that model is obtained enough initial velocities in transmitting tube exit and inject in water tank；Described is initial
By the initial gas chamber pressure of change high-pressure cylinder come the desirable value of implementation model, the initial velocity should meet speed:
Wherein, V is the initial velocity that model is injected in water；ρ is model densities；For bullet bottom pressure；L is model length；L is hair
Penetrate length of tube；D is transmitting pipe diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920327423.2U CN209707063U (en) | 2019-03-15 | 2019-03-15 | A kind of supercavity generates and control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920327423.2U CN209707063U (en) | 2019-03-15 | 2019-03-15 | A kind of supercavity generates and control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209707063U true CN209707063U (en) | 2019-11-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920327423.2U Expired - Fee Related CN209707063U (en) | 2019-03-15 | 2019-03-15 | A kind of supercavity generates and control device |
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| CN (1) | CN209707063U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109916590A (en) * | 2019-03-15 | 2019-06-21 | 浙江工业大学 | A kind of supercavity generates and control device |
-
2019
- 2019-03-15 CN CN201920327423.2U patent/CN209707063U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109916590A (en) * | 2019-03-15 | 2019-06-21 | 浙江工业大学 | A kind of supercavity generates and control device |
| CN109916590B (en) * | 2019-03-15 | 2024-06-18 | 浙江工业大学 | Supercavitation generation and control device |
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Legal Events
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191129 |