CN203705143U - Experimental supercavity generating device for emitting submarine-launched navigation body in different angles - Google Patents
Experimental supercavity generating device for emitting submarine-launched navigation body in different angles Download PDFInfo
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- CN203705143U CN203705143U CN201420012920.0U CN201420012920U CN203705143U CN 203705143 U CN203705143 U CN 203705143U CN 201420012920 U CN201420012920 U CN 201420012920U CN 203705143 U CN203705143 U CN 203705143U
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Abstract
The utility model discloses an experimental supercavity generating device for emitting a submarine-launched navigation body in different angles. The generating device comprises an emission part, a water tank part and an elevation and rotation part, wherein the emission part is used for emitting the navigation body inclinedly upwards, and the elevation and rotation part is used for adjusting the angle and height of the emission part. A high-pressure air source is connected with a pipe valve connector by successively passing a high-pressure cylinder, a cylinder valve connector and a solenoid valve, an emission pipe is connected to the pipe valve connector in a sealed manner, a ball valve is mounted on a side surface, which inclines downwardly, of a water tank, the water tank is provided with a water tank cover which can slide horizontally, the high pressure cylinder is fixed on a first pedestal, the first pedestal is hinged to a second pedestal, and fixed on the second pedestal via an arched rotary mechanism, and a liftable mechanism is connected between the second pedestal and a third pedestal. The generating device can realize emission in different angles and depth as well as emission outside water, avoids water from entering the emission tube and increasing the resistance, and provides experimental basis for researches on supercavity generation of the submarine-launched navigation body.
Description
Technical field
The utility model relates to a kind of supercavity experiment generating means, especially relates to a kind of supercavity experiment generating means of latent variable-angle transmitting of penetrating sail body.
Background technology
Cavitation bubble is the gasification that occurs at certain pressure and temperature of liquid flow or the phenomenon of vaporization.When underwater sailing body and the increase of surrounding liquid speed of related movement, sail body ambient pressure will reduce; When speed increases to a certain degree, the pressure of part water body will be lower than its saturated vapor pressure, thereby becomes steam state, is called cavitation phenomenon.Along with the continuous increase of sail body speed, cavity constantly increases, and after cavity wraps up whole sail body, just forms supercavity.In early days, due to cavitation corrosion, cavitation phenomena is that people want to avoid always, but in the sixties in 20th century, USSR (Union of Soviet Socialist Republics) scientist finds, when the speed of moving object is brought up to a certain degree, body surface can be surrounded by one deck bubble, produces " supercavitation phenomenon ".Now, the resistance of water can reduce greatly, and bubble also can not produce and impact surface of moving object because of explosion.After this, researchist finds that the frictional resistance of sail body in water is about 850 times of resistance in air, and the application of supercavity technology can make the frictional resistance of underwater sailing body significantly reduce.This property of reduction drag of supercavitating vehicle is widely used in military and national defense technology.
Because China's supercavity technology is started late, though obtain certain theory and practice achievement, also has a certain distance compared with foreign technology.At present China mostly concentrates on into water and water-exit vertically aspect for the research of supercavity technology, and penetrate sail body to have angle to go out wate research less for diving, emitter also imperfection relatively comparatively speaking.For there being angle water outlet transmitting, power valve is goed deep into can causing in power valve and intaking in water, cause resistance to increase, be difficult for producing supercavity; Current supercavity emitter is Vertical Launch mostly and has angle to enter water transmitting, is difficult for fine adjustment angular range for angled water outlet emitter.
Summary of the invention
For existing problem in above-mentioned background technology, the purpose of this utility model is to provide a kind of supercavity experiment generating means of latent variable-angle transmitting of penetrating sail body, realizes the latent sail body water outlet experimental study of penetrating of different emission angles.
For achieving the above object, the utility model take and technical scheme is:
The utility model comprises emission element for being tilted to upper transmitting sail body and water tank parts, for adjusting the lifting rotation parts of emission element angle and height, the emission element that water tank parts are arranged is relatively fixed on lifting rotation parts.
Described emission element: comprise high-pressure air source, high-pressure cylinder, cylinder valve connector, solenoid valve and pipe valve connector; High-pressure cylinder input end is connected with high-pressure air source, and high-pressure cylinder output terminal is connected with one end of pipe valve connector successively after cylinder valve connector, solenoid valve, and power valve is sealedly connected on the other end of pipe valve connector;
Described water tank parts: comprise water tank, soft dottle pin, water tank roller and ball valve; Ball valve is arranged on water tank on the side having a down dip, between ball valve flange hole and the flange hole of water tank, be provided with barrier film, ball valve outlet is connected with ring flange, between ball valve and ring flange, be provided with tinfoil, water tank is provided with the tank lid of can horizontal slip opening, soft dottle pin is bonded in tank lid, and water tank bottom is provided with water tank roller; Power valve is towards the passage of the ball valve of water tank;
Described lifting rotation parts: comprise on the first base, the second base, the 3rd base, the second base support column and the 3rd base support column; High-pressure cylinder is fixed on the first base by two compact heaps, and first base one end is hinged on one end of the second base, and the first base other end is connected on circular arc rotating mechanism, and circular arc rotating mechanism is fixed on the other end of the second base; Equal horizontal positioned on the second base and the 3rd base, on the second base support column of the second base bottom and the 3rd base, the 3rd base support column on top is socketed mutually, on the second base support column, vertically there is uniformly at intervals fixed orifice, the 3rd base support column is provided with kidney slot corresponding with fixed orifice and vertically, and bolt is located the second base support column and the 3rd base support column through fixed orifice and kidney slot.
Described circular arc rotating mechanism comprises deep-slotted chip breaker support and arc bevel protractor, deep-slotted chip breaker support be all 1/4 circular arc with arc bevel protractor and circular arc identical, deep-slotted chip breaker support is fixed on the other end of the second base, arc bevel protractor is arranged on the deep-slotted chip breaker of deep-slotted chip breaker support, on arc bevel protractor, be provided with uniformly at intervals through hole along circular arc direction, the second set bolt is fixed device through through hole and deep-slotted chip breaker on arc bevel protractor.
Described cylinder valve connector is all connected and is formed by two ring flanges with pipe valve connector, solenoid valve two ends are connected on the flange hole of cylinder valve connector and pipe valve connector, between two ring flanges of pipe valve connector, be provided with leather packing, the center pit of leather packing is less than the diameter of sail body.
Described water tank is provided with rolling groove, and lower end, tank lid both sides is connected with wheel, and wheel is positioned at rolling groove and rolls.
Described water tank bottom is provided with the adjustable water valve for filling, discharging water.
Through hole on described arc bevel protractor is arranged as the center of circle and along deep-slotted chip breaker circular arc direction adjacent spaces 10 degree take the center of circle of house type bevel protractor circular arc.
Described arc bevel protractor is provided with the angle index of arranging as the center of circle and along arc bevel protractor circular arc direction adjacent spaces 5 degree take the center of circle of arc bevel protractor circular arc.
The 3rd described base bottom is provided with base roller.
The beneficial effect the utlity model has is:
The utility model forms revolute pair by design of hinges, thereby whole emitter can be rotated; By design of curved slots and arc bevel protractor, make emitter can realize accurate angular emission; Realize emitter and launch at differing heights by designing the second base support column and the 3rd base support column.The utility model can be dived and be penetrated sail body and have angle water outlet transmitting, and emission angle fine adjustment relatively, and this penetrates sail body and have the supercavity of angle water outlet formation to have very important meaning studying to dive; In addition, the angled inclination in water tank lower left, in tapping welding flange hole, be connected with ball valve by barrier film, can realize power valve launches outward at water tank, the situation of avoiding water inlet in power valve to cause resistance to become large speed reducing so that cannot produce supercavity, has improved the success ratio that supercavity produces greatly.The utility model is simple for structure, simple to operate, and easy disassembling is easy to promote, with low cost, is convenient to safeguard.
Accompanying drawing explanation
Fig. 1 is one-piece construction schematic diagram of the present utility model.
Fig. 2 is emission element structural representation.
Fig. 3 is the utility model rotary bracket structure schematic diagram.
Fig. 4 is the utility model lifting support structural representation.
Fig. 5 is the right view of water tank the first half and top cover in Fig. 1.
Fig. 6 is the enlarged drawing of the A in Fig. 1.
In figure: 1, high-pressure air source, 2, high-pressure cylinder, 3, tensimeter, 4, compact heap, 5, fastening bolt, 6, deep-slotted chip breaker, 7, arc bevel protractor, 8, the first set bolt, 9, cylinder valve connector, 10, solenoid valve, 11, pipe valve connector, 12, leather packing, 13, power valve, 14, water tank, 15, soft dottle pin, 16, wheel, 17, sail body, 18, water tank roller, 19, ball valve, 20, tinfoil, 21, the first base, 22, kidney slot, 23, the second base, 24, base roller, 25, the 3rd base, 26, bolt, 27, the second set bolt, 28, pin, 29, ring flange, 19-1, barrier film, 30, the second base support column, 31, the 3rd base support column, 32, tank lid, 33, the 3rd set bolt.
Embodiment
Below in conjunction with accompanying drawing and example, the utility model is described in further detail.
As shown in Figure 1, the utility model comprise emission element for being tilted to upper transmitting sail body and for below tilt to receive the water tank parts of sail body, for adjusting the lifting rotation parts of emission element angle and height, the emission element that water tank parts are arranged is relatively fixed on lifting rotation parts, and emission element can rotate within the scope of 90 degree in level and vertically along lifting rotation parts.
As shown in Figure 2, emission element: comprise high-pressure air source 1, high-pressure cylinder 2, cylinder valve connector 9, solenoid valve 10 and pipe valve connector 11; High-pressure cylinder 2 input ends are connected with high-pressure air source 1, high-pressure cylinder 2 is provided with the tensimeter 3 for showing, high-pressure cylinder 2 output terminals are connected with one end of pipe valve connector 11 successively after cylinder valve connector 9, solenoid valve 10, and power valve 13 is sealedly connected on the other end of pipe valve connector 11;
As shown in Figure 1, water tank parts: comprise water tank 14, soft dottle pin 15, water tank roller 18 and ball valve 19; Ball valve 19 is arranged on water tank 14 on the side having a down dip, as shown in Figure 6, between ball valve 19 flange holes and the flange hole of water tank 14, be provided with barrier film 19-1, ball valve 19 outlets are connected with ring flange 29, between ball valve 19 and ring flange 29, be provided with tinfoil 20, water tank 14 is provided with the tank lid 32 of can horizontal slip opening, and soft dottle pin 15 is bonded in tank lid 32, and water tank 14 bottoms are provided with water tank roller 18; Power valve 13 is towards the passage of the ball valve 19 of water tank 14.
Ring flange 29 and ball valve 19 export and are not sealing, because often do once after experiment, tinfoil is worn out by sail body, needs to change tinfoil before experiment next time, and the effect of tinfoil is can before bullet transmitting, prevent that water from flowing out after ball valve is opened.
As shown in Figure 3, Figure 4, lifting rotation parts comprise runing rest and lifting support: comprise the first base 21, the second base 23, the 3rd base 25, the second base support column 30 and the 3rd base support column 31, high-pressure cylinder 2 is fixed on the first base 21 by two compact heaps 4, two compact heaps 4 are fixedly connected on high-pressure cylinder 2 both sides by fastening bolt 5, first base 21 one end are hinged on by pin 28 on one end of the second base 23, first base 21 other ends are connected on circular arc rotating mechanism by pin, and circular arc rotating mechanism is fixed on the other end of the second base 23 by the 3rd set bolt 33, equal horizontal positioned on the second base 23 and the 3rd base 25, on the second four jiaos of base 23 bottoms, be respectively provided with the second base support column 30, on the 3rd base, on four jiaos, 25 top, be respectively provided with the three base support column 31 corresponding with the second base support column 30, on the second base support column 30 of the second base 23 bottoms and the 3rd base, the 3rd base support column 31 on 25 tops is socketed mutually, on the second base support column 30, vertically there is uniformly at intervals fixed orifice, the 3rd base support column 31 is provided with kidney slot 22 corresponding with fixed orifice and vertically, bolt 26 is located the second base support column 30 and the 3rd base support column 31 through fixed orifice and kidney slot 22, reach the object that regulates height.
Circular arc rotating mechanism comprises deep-slotted chip breaker support and arc bevel protractor 7, deep-slotted chip breaker support be all 1/4 circular arc with arc bevel protractor 7 and circular arc identical, deep-slotted chip breaker support is fixed on the other end of the second base 23, arc bevel protractor 7 is arranged in the deep-slotted chip breaker 6 of deep-slotted chip breaker support, on arc bevel protractor 7, be provided with uniformly at intervals through hole along circular arc direction, the second set bolt 27 is connected with through hole the first base 21 angles is fixed through first base 21 other ends.
Cylinder valve connector 9 is all connected and is formed by two ring flanges with pipe valve connector 11, between two ring flanges, connect by the first set bolt, solenoid valve 10 two ends are connected on the flange hole of cylinder valve connector 9 and pipe valve connector 11, between two ring flanges of pipe valve connector 11, be provided with leather packing 12, the center pit of leather packing 12 is less than the diameter of sail body 17, prevent that sail body 17 from entering in pipe valve connector 11, can also prevent gas leakage.
As shown in Figure 5, water tank 14 is provided with rolling groove, and tank lid 32 lower ends, both sides are connected with wheel 16, and wheel 16 is positioned at rolling groove and rolls.
Water tank 14 bottoms are provided with the adjustable water valve for filling, discharging water.
The through hole of arc bevel protractor 7 is arranged as the center of circle and along deep-slotted chip breaker circular arc direction adjacent spaces 10 degree take the center of circle of arc bevel protractor.
Arc bevel protractor 7 is provided with the angle index of arranging as the center of circle and along arc bevel protractor 7 circular arc direction adjacent spaces 5 degree take the center of circle of arc bevel protractor 7 circular arcs, and emitter not only can be rotated along deep-slotted chip breaker track, can also accurate adjustment angle.
The 3rd base 25 bottoms are provided with base roller 24, in the time being adjusted to desired height, base roller are fixed, and emission element is fixed, and can stop the reaction thrust that emission process produces.
Power valve 13 is connected by thread seal with pipe valve connector 11 other ends.
As shown in Figure 1, Figure 2, Figure 3 shows, emission element and water tank parts are placed in to ground, regulating tank roller 18 and base roller 24 are fixing, sail body 17 is placed in power valve 13, the through hole of first base 21 one end and the second base 23 are by the pin 28 formation revolute pair that is connected, the other end rotates in deep-slotted chip breaker 6 tracks, then fixes by the through hole on arc bevel protractor 7 and conduit with set bolt; Between pipe valve connector 11, place the leather packing 12 that an aperture is less than sail body 17 diameters, can place sail body 17 enters pipe valve connector 11 on the one hand, can also avoid on the other hand gas leak phenomenon to occur.
As shown in Figure 4, the base roller 24 of the 3rd base 25 is fixing, regulates the height of two support columns, then passes through hole and kidney slot with two bolts 26, with the fixing height of nut screwing clamping.
As shown in Fig. 1, Fig. 5, Fig. 6, water tank front and back is all provided with machine clear glass, can see the height of water level in water tank 14, reaches and takes visual effect; There is soft dottle pin 15 tank lid 32 of water tank 14 and side, can after sail body 17 water outlets, obtain bullet; Water tank is stamped pulley track, being convenient to top cover moves, opposite side has cap lock, there is wheel 16 in the water tank upper right corner, left surface has towards having a down dip, opening part is welded with ring flange, is connected with a side flange hole of ball valve 19 by barrier film 19-1, and the flange hole of ball valve 19 opposite sides is equipped with tinfoil 20 and is connected with ring flange 29.
Concrete implementation process of the present utility model is as follows:
Before carrying out experiment, first close ball valve, water tank is charged to needed water level by aperture by water tank lower left, secondly the second base support column of lifting support is enclosed within to the upper of the 3rd base support column, be adjusted to behind experiment position, fix through the waist type groove on hole and the 3rd base support column of the second base support column with bolt, then arc rotary support is fixed on the second base by the second set bolt, then rotate the first base according to arc bevel protractor, forward the angle position of requirement of experiment to along deep-slotted chip breaker track, set bolt is passed to hole and the curved channel on arc bevel protractor, tighten, emission element is fixed, then thrust unit is until power valve alignment with the ball valve passage, firm banking roller.Then pipe valve connector is opened, installed after sail body connecting pipe valve connector again, finally by high-pressure air source valve open, gases at high pressure are filled with in high-pressure cylinder, on tensimeter, demonstrate while testing required pressure, shut valve, now open ball valve and solenoid valve, gases at high pressure are through high-pressure cylinder, cylinder valve connector, solenoid valve, pipe valve connector, enter in power valve, promote the sail body in power valve, through the acceleration of certain length in power valve, while arriving power valve outlet, speed increases, sail body penetrates through tinfoil in power valve, enter water tank along ball valve passage, high quick dive is penetrated sail body surface and in water, is formed supercavity, continue to move in water, carry out water outlet experiment.Close ball valve, prevent from continuing water outlet.After having tested once, can open ring flange and change tinfoil, test next time.
By adjusting runing rest and lifting support, can realize different angles and penetrate sail body water outlet experiment with highly latent, in addition, the situation that the outer transmitting of sail body water has avoided water to enter power valve generation resistance, has improved the success ratio of supercavity generation greatly.Finish after a kind of experiment of sail body model, can place the sail body of different length-diameter ratios by the power valve of changing different-diameter, the sail body of transmitting different radii and length, carries out detailed research thereby realize to the situation of different sail bodies generation supercavities.
Complete after experiment, the water in water tank is discharged from the aperture of left side, by wheel, tank lid is pushed open, collect the sail body of getting on soft dottle pin; By deep-slotted chip breaker, the parts such as arc bevel protractor disassemble, and place to keep well and treat to use next time.
Above-mentioned embodiment is used for the utility model of explaining; rather than the utility model is limited; in the protection domain of spirit of the present utility model and claim, any modification and change that the utility model is made, all fall into protection domain of the present utility model.
Claims (9)
1. the supercavity experiment generating means of the variable-angle transmitting of penetrating sail body of diving, it is characterized in that: comprise emission element for being tilted to upper transmitting sail body and water tank parts, for adjusting the lifting rotation parts of emission element angle and height, the emission element that water tank parts are arranged is relatively fixed on lifting rotation parts.
2. the supercavity experiment generating means of a kind of latent variable-angle transmitting of penetrating sail body according to claim 1, is characterized in that: described emission element: comprise high-pressure air source (1), high-pressure cylinder (2), cylinder valve connector (9), solenoid valve (10) and pipe valve connector (11); High-pressure cylinder (2) input end is connected with high-pressure air source (1), high-pressure cylinder (2) output terminal is connected with one end of pipe valve connector (11) successively after cylinder valve connector (9), solenoid valve (10), and power valve (13) is sealedly connected on the other end of pipe valve connector (11);
Described water tank parts: comprise water tank (14), soft dottle pin (15), water tank roller (18) and ball valve (19); Ball valve (19) is arranged on water tank (14) on the side having a down dip, between the flange hole of ball valve (19) flange hole and water tank (14), be provided with barrier film (19-1), ball valve (19) outlet is connected with ring flange (29), between ball valve (19) and ring flange (29), be provided with tinfoil (20), water tank (14) is provided with the tank lid (32) of can horizontal slip opening, it is upper that soft dottle pin (15) is bonded at tank lid (32), and water tank (14) bottom is provided with water tank roller (18); Power valve (13) is towards the passage of the ball valve (19) of water tank (14);
Described lifting rotation parts: comprise (25) on the first base (21), the second base (23), the 3rd base, the second base support column (30) and the 3rd base support column (31); High-pressure cylinder (2) is fixed on the first base (21) by two compact heaps (4), the first base (21) one end is hinged on one end of the second base (23), the first base (21) other end is connected on circular arc rotating mechanism, and circular arc rotating mechanism is fixed on the other end of the second base (23); The upper equal horizontal positioned of the second base (23) and the 3rd base (25), on the second base support column (30) of the second base (23) bottom and the 3rd base, the 3rd base support column (31) on (25) top is socketed mutually, on the second base support column (30), vertically there is uniformly at intervals fixed orifice, the 3rd base support column (31) is provided with kidney slot (22) corresponding with fixed orifice and vertically, and bolt (26) is located the second base support column (30) and the 3rd base support column (31) through fixed orifice and kidney slot (22).
3. the supercavity experiment generating means of a kind of latent variable-angle transmitting of penetrating sail body according to claim 2, it is characterized in that: described circular arc rotating mechanism comprises deep-slotted chip breaker support and arc bevel protractor (7), deep-slotted chip breaker support be all 1/4 circular arc with arc bevel protractor (7) and circular arc identical, deep-slotted chip breaker support is fixed on the other end of the second base (23), arc bevel protractor (7) is arranged on the deep-slotted chip breaker (6) of deep-slotted chip breaker support, arc bevel protractor (7) is upper is provided with through hole uniformly at intervals along circular arc direction, the second set bolt (27) is fixed device through through hole and deep-slotted chip breaker (6) on arc bevel protractor (7).
4. the supercavity experiment generating means of a kind of latent variable-angle transmitting of penetrating sail body according to claim 2, it is characterized in that: described cylinder valve connector (9) is all connected and is formed by two ring flanges with pipe valve connector (11), solenoid valve (10) two ends are connected on the flange hole of cylinder valve connector (9) and pipe valve connector (11), between two ring flanges of pipe valve connector (11), be provided with leather packing (12), the center pit of leather packing (12) is less than the diameter of sail body (17).
5. the supercavity experiment generating means of a kind of latent variable-angle transmitting of penetrating sail body according to claim 2, it is characterized in that: described water tank (14) is provided with rolling groove, tank lid (32) lower end, both sides is connected with wheel (16), and wheel (16) is positioned at rolling groove and rolls.
6. the supercavity experiment generating means of a kind of latent variable-angle transmitting of penetrating sail body according to claim 2, is characterized in that: described water tank (14) bottom is provided with the adjustable water valve for filling, discharging water.
7. the supercavity experiment generating means of a kind of latent variable-angle transmitting of penetrating sail body according to claim 3, is characterized in that: the through hole on described arc bevel protractor (7) is arranged as the center of circle and along deep-slotted chip breaker circular arc direction adjacent spaces 10 degree take the center of circle of house type bevel protractor circular arc.
8. the supercavity experiment generating means of a kind of latent variable-angle transmitting of penetrating sail body according to claim 3, is characterized in that: described arc bevel protractor (7) is provided with the angle index of arranging as the center of circle and along arc bevel protractor (7) circular arc direction adjacent spaces 5 degree take the center of circle of arc bevel protractor (7) circular arc.
9. the supercavity experiment generating means of a kind of latent variable-angle transmitting of penetrating sail body according to claim 2, is characterized in that: the 3rd described base (25) bottom is provided with base roller (24).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420012920.0U CN203705143U (en) | 2014-01-09 | 2014-01-09 | Experimental supercavity generating device for emitting submarine-launched navigation body in different angles |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420012920.0U CN203705143U (en) | 2014-01-09 | 2014-01-09 | Experimental supercavity generating device for emitting submarine-launched navigation body in different angles |
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| CN201420012920.0U Expired - Fee Related CN203705143U (en) | 2014-01-09 | 2014-01-09 | Experimental supercavity generating device for emitting submarine-launched navigation body in different angles |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105987804A (en) * | 2015-02-28 | 2016-10-05 | 中国科学院宁波材料技术与工程研究所 | High-speed aerial body resistance measurement device and method |
| CN103792063B (en) * | 2014-01-09 | 2017-01-04 | 浙江理工大学 | The supercavity experiment generating means that the latent variable-angle penetrating sail body is launched |
| CN108426696A (en) * | 2017-12-29 | 2018-08-21 | 西北工业大学 | A kind of works of practicality enters water experiment emission system |
| CN114813035A (en) * | 2022-04-12 | 2022-07-29 | 厦门大学 | Thermal surface cavitation synergistic resistance reduction test device and method |
| CN115420153A (en) * | 2022-08-31 | 2022-12-02 | 东北大学 | Medium test device is striden to supercavitation bullet |
| CN116608743A (en) * | 2023-07-20 | 2023-08-18 | 中国万宝工程有限公司 | Recovery device and recovery method of test bullet |
-
2014
- 2014-01-09 CN CN201420012920.0U patent/CN203705143U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103792063B (en) * | 2014-01-09 | 2017-01-04 | 浙江理工大学 | The supercavity experiment generating means that the latent variable-angle penetrating sail body is launched |
| CN105987804A (en) * | 2015-02-28 | 2016-10-05 | 中国科学院宁波材料技术与工程研究所 | High-speed aerial body resistance measurement device and method |
| CN108426696A (en) * | 2017-12-29 | 2018-08-21 | 西北工业大学 | A kind of works of practicality enters water experiment emission system |
| CN114813035A (en) * | 2022-04-12 | 2022-07-29 | 厦门大学 | Thermal surface cavitation synergistic resistance reduction test device and method |
| CN114813035B (en) * | 2022-04-12 | 2023-03-21 | 厦门大学 | Thermal surface cavitation synergistic resistance reduction test device and method |
| CN115420153A (en) * | 2022-08-31 | 2022-12-02 | 东北大学 | Medium test device is striden to supercavitation bullet |
| CN115420153B (en) * | 2022-08-31 | 2023-09-19 | 东北大学 | Supercavitation bullet cross-medium test device |
| CN116608743A (en) * | 2023-07-20 | 2023-08-18 | 中国万宝工程有限公司 | Recovery device and recovery method of test bullet |
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