CN117782510A - Wind tunnel protection device and method for continuous wind tunnel model release test - Google Patents
Wind tunnel protection device and method for continuous wind tunnel model release test Download PDFInfo
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- CN117782510A CN117782510A CN202410216876.3A CN202410216876A CN117782510A CN 117782510 A CN117782510 A CN 117782510A CN 202410216876 A CN202410216876 A CN 202410216876A CN 117782510 A CN117782510 A CN 117782510A
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- 238000012360 testing method Methods 0.000 title claims abstract description 117
- 238000000034 method Methods 0.000 title claims abstract description 13
- 229920002379 silicone rubber Polymers 0.000 claims abstract description 71
- 239000004945 silicone rubber Substances 0.000 claims abstract description 64
- 229910000838 Al alloy Inorganic materials 0.000 claims abstract description 32
- 229920001971 elastomer Polymers 0.000 claims abstract description 32
- 239000000806 elastomer Substances 0.000 claims abstract description 32
- 238000003825 pressing Methods 0.000 claims abstract description 6
- 230000003139 buffering effect Effects 0.000 claims abstract description 4
- 238000010521 absorption reaction Methods 0.000 claims description 7
- 238000003466 welding Methods 0.000 claims description 6
- 230000003116 impacting effect Effects 0.000 claims description 2
- 238000005452 bending Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 5
- 229920000260 silastic Polymers 0.000 description 4
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 230000001012 protector Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Abstract
A wind tunnel protection device and a protection method for a continuous wind tunnel model release test belong to the technical field of high-speed dynamic similar release wind tunnel tests. The invention solves the problems that in the current wind tunnel heavy model throwing test, the model shrinkage ratio is reduced, the density ratio of the model to the real object is reduced, the weight of the model is larger, and the damage to the wind tunnel body and equipment after throwing is more serious. A test model is arranged in a test section, the test model is arranged on the test section through a support rod assembly, the support rod assembly is arranged on a bending knife of the test section, a cast elastomer is arranged at the bottom of the test model, a buffer mechanism is arranged on the test section and is fixed on the test section through a pressing plate, and a honeycomb module is arranged in the test section. According to the wind tunnel protection device for the continuous wind tunnel model release test, the high elasticity of the elastic silicone rubber pad of the buffer mechanism plays a good role in buffering to protect the model main body, and meanwhile, the aluminum alloy plate is used for effectively protecting the lower wall plate of the test section by means of high strength.
Description
Technical Field
The invention belongs to the technical field of high-speed dynamic similar release wind tunnel tests, and particularly relates to a wind tunnel protection device and a protection method for a continuous wind tunnel model release test.
Background
In the field of wind tunnel tests, a high-speed dynamic similar release test is a test for simulating release of a store when an aircraft flies in a high-altitude flight environment. In such experiments, two methods are generally classified into light model and heavy model delivery. The weight model has the same ratio of gravity to aerodynamic force as that of a real object, the displacement of the model in the vertical direction is strictly similar to that of the real object, and the experimental significance of the model is significant.
However, most of the conventional high-speed dynamic similar throwing tests are mainly based on a light model method, because the weight of the throwing model is small, the test can be performed in a wind tunnel normal pressure environment, and the impact load of the light model on the positions of a wind tunnel body section and the like under high-speed load is small and is insufficient to damage wind tunnel components. The light model has lower cost, and the model does not need to be recycled after the throwing test.
In the heavy model throwing test, the size of the scaled model is increased, the model scaling is reduced, and the model-to-physical density ratio is reduced, which means that the model weight is larger, the damage to the wind tunnel body and equipment after throwing is more serious, and the risk that parts assembled by the model are damaged and enter the areas such as a compressor and the like behind the wind tunnel test section is also more increased. The heavy model has higher manufacturing cost, and particularly, the model main body needs to be recycled after being put in. In addition, the heavy model release test needs to be carried out in a negative pressure state of the wind tunnel, and the installation and fixation of the wind tunnel protection device are extremely challenging.
Therefore, the application provides a wind tunnel protection device and a protection method for a continuous wind tunnel model release test, which are used for solving the problems.
The invention aims to solve the problems that in the current wind tunnel model throwing test, the model shrinkage ratio is reduced, the density ratio of a model to a real object is reduced, the weight of the model is larger, and the wind tunnel body and equipment are seriously damaged after throwing. The following presents a simplified summary of the invention in order to provide a basic understanding of some aspects of the invention. It should be understood that this summary is not an exhaustive overview of the invention. It is not intended to identify key or critical elements of the invention or to delineate the scope of the invention.
The technical scheme of the invention is as follows:
scheme one: the utility model provides a wind tunnel protector of continuous wind tunnel model release test, including test section, test model, release projectile body, buffer gear, clamp plate, branch subassembly and honeycomb module, be provided with test model in the test section, test model passes through branch subassembly and installs on the test section, branch subassembly installs on the curved knife of test section, release projectile body installs in test model's bottom, be provided with buffer gear on the test section, buffer gear passes through the clamp plate to be fixed on the test section, buffer gear arranges in release projectile body below, honeycomb module installs in the test section, honeycomb module arranges in the rear of curved knife.
Further, buffer gear includes elasticity silastic gasket, aluminium alloy plate and long screw rod fastening assembly, and elasticity silastic gasket is stacked parallel and level with aluminium alloy plate and puts, and elasticity silastic gasket arranges in aluminium alloy plate top, and elasticity silastic gasket passes through long screw rod fastening assembly with aluminium alloy plate and is connected with the lower wallboard of test section.
Further, be provided with the buffer rod between aluminium alloy plate and the lower wallboard, the buffer rod includes buffer rod and lower buffer rod, and the one end of going up the buffer rod is connected with the one end of lower buffer rod, and the other end of going up the buffer rod is established with the aluminium alloy plate and is connected, and the other end of lower buffer rod is established with the lower wallboard and is connected.
Further, the honeycomb module comprises a honeycomb plate and honeycomb core lattices, the honeycomb plate is arranged on the test section through bolts, a plurality of honeycomb core lattices are arranged in the honeycomb plate, the honeycomb core lattices are connected with the honeycomb plate in a welding mode, the honeycomb core lattices are of hollow hexagon structures, and the frames of two adjacent honeycomb core lattices are connected in a welding mode.
Scheme II: the wind tunnel protection method for the continuous wind tunnel model release test is realized by means of the wind tunnel protection device for the continuous wind tunnel model release test according to the scheme one, and comprises the following steps of:
step one: the aluminum alloy plate and the elastic silicone rubber pad are sequentially paved on a lower wall plate of a test section, the elastic silicone rubber pad is fixed through a pressing plate, the aluminum alloy plate and the elastic silicone rubber pad are connected with the lower wall plate through a long screw fastening assembly, the paving starting point of the elastic silicone rubber pad is positioned at a position 525mm in front of a rotary window in the center of the test section, the vertical distance between the elastic silicone rubber pad and a cast elastomer is 1480mm, the strength of the aluminum alloy plate is higher than 500MPa, and the elongation of the elastic silicone rubber pad after breaking is higher than 46%;
step two: installing a honeycomb module in the test section, and fixing a honeycomb plate of the honeycomb module on a lower wall plate of the test section through bolts;
step three: starting a wind tunnel, performing a cast-in elastomer cast-in test of the test model, enabling the cast-in elastomer to fall on an elastic silicone rubber pad from a high place, intercepting the cast-in elastomer through a honeycomb module, and preventing the cast-in elastomer from continuing to move along air flow;
step four: and (3) finishing a cast-in-place experiment of the cast-in elastomer, entering a wind tunnel to inspect the elastic silicone rubber pad and the honeycomb module damaged by the impact of the cast-in elastomer, recovering the cast-in elastomer and replacing the damaged elastic silicone rubber pad and the damaged honeycomb module.
Further, the specific steps of the first step are as follows: the elastic silicone rubber pad is distributed with uniform holes, the aperture of each hole is smaller than 1mm, and the opening ratio of the silicone rubber is set as follows:
；
the aperture ratio of the silicon rubber is more than or equal to 70%;
setting the weight of the put-in elastomer as m and the initial speed of the put-in monomer for impacting the elastic silicone rubber pad as V 1 The rebound speed of the impact elastic silicone rubber pad of the cast elastomer is V 2 The buffer energy absorption coefficient of the elastic silicone rubber pad is set as follows:
；
the buffer energy absorption coefficient of the elastic silicone rubber pad is more than or equal to 40 percent.
The invention has the following beneficial effects:
1. according to the wind tunnel protection device for the continuous wind tunnel model throwing test, the buffer mechanism and the honeycomb module on one side of the test section are paved at the bottom of the test section, when the throwing elastomer of the test model is thrown, the high elasticity of the elastic silicone rubber pad of the buffer mechanism is utilized to play a good role in buffering so as to protect the model main body, and meanwhile, the aluminum alloy plate is utilized to effectively protect the lower wall plate of the test section.
2. According to the wind tunnel protection device for the continuous wind tunnel model throwing test, after throwing of a throwing projectile body can be effectively intercepted through the honeycomb modules arranged on two sides of the test section, the test model body and parts assembled by the high-speed model separated from the main body can be effectively intercepted, and the two throats and follow-up related wind tunnel equipment can be prevented from being damaged.
3. According to the wind tunnel protection method for the continuous wind tunnel model throwing test, the buffering energy absorption coefficient of the elastic silicone rubber pad is set according to the weight of the throwing elastomer, meanwhile, the aperture ratio of the elastic silicone rubber pad and the airflow ventilation rate of the honeycomb module are limited, and the protection effect of the protection device is optimized.
Drawings
FIG. 1 is a schematic view of a wind tunnel protection device for a continuous wind tunnel model launch test;
FIG. 2 is a schematic diagram of the connection between the buffer mechanism and the lower wall plate;
FIG. 3 is a front view of a wind tunnel shield for a continuous wind tunnel model launch test;
fig. 4 is a schematic diagram of a cellular module.
In the figure: 1-test section, 2-test model, 3-cast elastomer, 4-buffer mechanism, 5-press plate, 6-strut assembly, 7-honeycomb module, 8-lower wall plate, 9-buffer rod, 10-bent blade, 41-elastic silicone rubber pad, 42-aluminum alloy plate, 43-long screw fastening assembly, 71-honeycomb plate, 72-honeycomb core lattice, 91-upper buffer rod, 92-lower buffer rod.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present invention more apparent, the present invention is described below by means of specific embodiments shown in the accompanying drawings. It should be understood that the description is only illustrative and is not intended to limit the scope of the invention. In addition, in the following description, descriptions of well-known structures and techniques are omitted so as not to unnecessarily obscure the present invention.
The connection mentioned in the present invention is divided into a fixed connection and a detachable connection, wherein the fixed connection (i.e. the non-detachable connection) includes, but is not limited to, a conventional fixed connection manner such as a hemmed connection, a rivet connection, an adhesive connection, a welded connection, etc., and the detachable connection includes, but is not limited to, a conventional detachable manner such as a threaded connection, a snap connection, a pin connection, a hinge connection, etc., and when the specific connection manner is not specifically limited, at least one connection manner can be found in the existing connection manner by default, so that the function can be realized, and a person skilled in the art can select the connection according to needs. For example: the fixed connection is welded connection, and the detachable connection is hinged connection.
In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
Embodiment 1, referring to fig. 1-4, a wind tunnel protection device for a continuous wind tunnel model launch test in this embodiment is described, including test section 1, test model 2, launch body 3, buffer mechanism 4, pressing plate 5, strut assembly 6 and honeycomb module 7, test model 2 is provided in test section 1, test model 2 is installed on test section 1 through strut assembly 6, strut assembly 6 is installed on curved knife 10 of test section 1, launch body 3 is installed at the bottom of test model 2, buffer mechanism 4 is provided on test section 1, buffer mechanism 4 is fixed on test section 1 through pressing plate 5, buffer mechanism 4 is arranged below launch body 3, honeycomb module 7 is installed in test section 1, honeycomb module 7 is arranged at the rear of curved knife 10.
The buffer gear 4 lays on the lower wallboard 8 of test section 1, the below of test model 2, buffer gear 4 includes elastic silicone rubber pad 41, aluminium alloy plate 42 and long screw rod fastening assembly 43, elastic silicone rubber pad 41 adopts the mode of stacking to cover with aluminium alloy plate 42, elastic silicone rubber pad 41 lays in the top of aluminium alloy plate 42, it is fixed with elastic silicone rubber pad 41 through many clamp plates 5, elastic silicone rubber pad 41 passes through long screw rod fastening assembly 43 with aluminium alloy plate 42 and is connected with lower wallboard 8, still be connected with buffer rod 9 between lower wallboard 8 and aluminium alloy plate 42, buffer rod 9 includes buffer rod 91 and lower buffer rod 92, the one end of upper buffer rod 91 is connected with the one end of lower buffer rod 92, play the cushioning effect, the other end and the aluminium alloy plate 42 of upper buffer rod 91 establish the connection, the other end and the lower wallboard 8 of lower buffer rod 92 establish the connection.
The paving starting points of the elastic silicone rubber pad 41 and the aluminum alloy plate 42 are positioned at the position 525mm in front of the central rotating window of the test section 1, aligned with the central axis of the wind tunnel, paved at the front end of the bending knife of the wind tunnel test section, the vertical distance between the elastic silicone rubber pad 41 and the cast elastomer 3 is 1480mm, the strength of the aluminum alloy plate 42 is higher than 500MPa, and the elongation after breaking of the elastic silicone rubber pad 41 is higher than 46%;
the windward side of the elastic silicone rubber pad 41 adopts a 45-degree chamfer mode, so that the blocking effect of the edge of the elastic silicone rubber pad 41 on air flow is effectively reduced, and the influence on the quality of a flow field is weakened.
The honeycomb module 7 comprises a honeycomb plate 71 and honeycomb core lattices 72, the honeycomb plate 71 is mounted on the lower wall plate 8 of the test section 1 in a bolt connection mode, a plurality of honeycomb core lattices 72 are arranged in the honeycomb plate 71, the structure of each honeycomb core lattice 72 is of a hollow hexagonal structure, each honeycomb core lattice 72 is tightly staggered and fixed in a laser welding mode, and the honeycomb core lattices 72 are fixed on the honeycomb plate 71 in an argon arc welding mode. The honeycomb core lattice 72 has a good interception effect, as shown in fig. 3 of the specification, the air flow direction in the wind tunnel is the convection direction of the test model 2, after the cast-in projectile body 3 is cast in, the cast-in projectile body 3 moves along the air flow direction under the effect of the air flow in the wind tunnel and can be intercepted by the honeycomb core lattice 72, and the cast-in projectile body 3 can not move downstream along the wind tunnel flow channel any more, so that the protection effect on the second throat and subsequent related wind tunnel equipment is achieved.
Embodiment 2, referring to fig. 1 to 4, illustrates a wind tunnel protection method for a continuous wind tunnel model launch test in this embodiment, which includes the following steps:
step one: the aluminum alloy plate 42 and the elastic silicone rubber pad 41 are sequentially paved on the lower wall plate 8 of the test section 1, the elastic silicone rubber pad 41 is fixed through the pressing plate 5, the aluminum alloy plate 42 and the elastic silicone rubber pad 41 are connected with the lower wall plate 8 through the long screw fastening assembly 43, the paving starting point of the elastic silicone rubber pad 41 is positioned at the position 525mm in front of the central rotating window of the test section 1, the vertical distance between the elastic silicone rubber pad 41 and the throwing elastomer 3 is 1480mm, the strength of the aluminum alloy plate 42 is higher than 500MPa, and the elongation after the elastic silicone rubber pad 41 is broken is higher than 46%;
step two: installing the honeycomb module 7 in the test section 1, and fixing a honeycomb plate 71 of the honeycomb module 7 on a lower wall plate 8 of the test section 1 through bolts;
step three: starting a wind tunnel, carrying out a cast-in-place projectile body 3 cast-in test of the test model 2, enabling the cast-in-place projectile body 3 to fall on the elastic silicone rubber pad 41 from a high place, intercepting the cast-in-place projectile body 3 through the honeycomb module 7, and preventing the cast-in-place projectile body 3 from continuing to move along air flow;
step four: and (3) finishing the throwing test of the throwing body 3, entering a wind tunnel to inspect the elastic silicone rubber pad 41 and the honeycomb module 7 damaged by the impact of the throwing body 3, recovering the throwing body 3 and replacing the damaged elastic silicone rubber pad 41 and the damaged honeycomb module 7.
In addition, the elastic silicone rubber pad 41 is distributed with uniform holes, the aperture of each hole is smaller than 1mm, and the opening ratio of the silicone rubber is set as:；
the aperture ratio of the silicon rubber is more than or equal to 70%;
the number of the open-pore foaming holes of the silicon rubber used in the embodiment is 867, namely the number of the communicated holes among the holes in the silicon rubber, the total number of the holes of the silicon rubber material is 1134, and the open-pore ratio of the silicon rubber is 76.4% through the calculation, so that the requirement is met.
Setting the weight of the cast elastomer 3 as m and the initial velocity of the cast elastomer 3 striking the elastic silicone rubber pad 41 as V 1 The rebound velocity of the impact elastic silicone rubber pad 41 of the projectile body 3 is V 2 The elastic silicone rubber pad 41 is set to have the following buffer energy absorption coefficient:
；
the buffer energy absorption coefficient of the elastic silicone rubber pad is more than or equal to 40 percent.
The present embodiment is only illustrative of the present invention and does not limit the scope thereof, and those skilled in the art may make modifications to the part thereof without departing from the spirit of the invention.
Claims (6)
1. A wind tunnel protection device for a continuous wind tunnel model release test is characterized in that: including test section (1), test model (2), throw in elastomer (3), buffer gear (4), clamp plate (5), branch subassembly (6) and honeycomb module (7), be provided with test model (2) in test section (1), test model (2) are installed on test section (1) through branch subassembly (6), branch subassembly (6) are installed on curved sword (10) of test section (1), throw in elastomer (3) and install the bottom at test model (2), be provided with buffer gear (4) on test section (1), buffer gear (4) are fixed on test section (1) through clamp plate (5), buffer gear (4) are arranged and are thrown in elastomer (3) below, honeycomb module (7) are installed in test section (1), honeycomb module (7) are arranged at the rear of curved sword (10).
2. The wind tunnel protection device for continuous wind tunnel model release test according to claim 1, wherein: the buffer mechanism (4) comprises an elastic silicone rubber pad (41), an aluminum alloy plate (42) and a long screw fastening assembly (43), wherein the elastic silicone rubber pad (41) is arranged in a stacked mode with the aluminum alloy plate (42), the elastic silicone rubber pad (41) is arranged above the aluminum alloy plate (42), and the elastic silicone rubber pad (41) is connected with the aluminum alloy plate (42) through the long screw fastening assembly (43) and the lower wall plate (8) of the test section (1).
3. The wind tunnel protection device for continuous wind tunnel model release test according to claim 2, wherein: be provided with buffer rod (9) between aluminium alloy plate (42) and lower wallboard (8), buffer rod (9) are including last buffer rod (91) and lower buffer rod (92), and the one end of going up buffer rod (91) is connected with the one end of lower buffer rod (92), and the other end of going up buffer rod (91) is connected with aluminium alloy plate (42) establishment, and the other end of lower buffer rod (92) is connected with lower wallboard (8) establishment.
4. A wind tunnel protection device for continuous wind tunnel model launch testing according to claim 3, wherein: the honeycomb module (7) comprises a honeycomb plate (71) and honeycomb core lattices (72), wherein the honeycomb plate (71) is arranged on the test section (1) through bolts, a plurality of honeycomb core lattices (72) are arranged in the honeycomb plate (71), the honeycomb core lattices (72) are connected with the honeycomb plate (71) in a welding mode, the honeycomb core lattices (72) are of hollow hexagon structures, and the frames of two adjacent honeycomb core lattices (72) are connected in a welding mode.
5. The wind tunnel protection method for the continuous wind tunnel model release test is realized by the wind tunnel protection device for the continuous wind tunnel model release test according to claim 4, and is characterized by comprising the following steps:
step one: sequentially paving an aluminum alloy plate (42) and an elastic silicone rubber pad (41) on a lower wall plate (8) of a test section (1), fixing the elastic silicone rubber pad (41) through a pressing plate (5), connecting the aluminum alloy plate (42) and the elastic silicone rubber pad (41) with the lower wall plate (8) through a long screw fastening assembly (43), wherein the paving starting point of the elastic silicone rubber pad (41) is positioned at a position of 525mm in front of a central rotating window of the test section (1), the vertical distance between the elastic silicone rubber pad (41) and a throwing elastomer (3) is 1480mm, the strength of the aluminum alloy plate (42) is higher than 500MPa, and the elongation after fracture of the elastic silicone rubber pad (41) is higher than 46%;
step two: the honeycomb module (7) is arranged in the test section (1), and a honeycomb plate (71) of the honeycomb module (7) is fixed on a lower wall plate (8) of the test section (1) through bolts;
step three: starting a wind tunnel, carrying out a throwing test of a throwing elastomer (3) of the test model (2), dropping the throwing elastomer (3) on an elastic silicone rubber pad (41) from a high position, intercepting the throwing elastomer (3) through a honeycomb module (7), and preventing the throwing elastomer (3) from continuing to move along air flow;
step four: and (3) finishing a throwing test of the throwing elastomer (3), entering a wind tunnel to inspect the elastic silicone rubber pad (41) and the honeycomb module (7) damaged by the impact of the throwing elastomer (3), recovering the throwing elastomer (3), and replacing the damaged elastic silicone rubber pad (41) and the damaged honeycomb module (7).
6. The wind tunnel protection method for the continuous wind tunnel model release test according to claim 5, wherein the specific steps of the first step are as follows: the elastic silicone rubber pad (41) is distributed with uniform holes, the aperture of each hole is smaller than 1mm, and the opening ratio of the silicone rubber is set as:
；
the aperture ratio of the silicon rubber is more than or equal to 70%;
setting the weight of the cast elastomer (3) as m and the initial velocity of the cast elastomer (3) impacting the elastic silicone rubber pad (41) as V 1 The rebound speed of the impact elastic silicone rubber pad (41) of the throwing elastomer (3) is V 2 The elastic silicone rubber pad (41) is set to have the following buffering energy absorption coefficient:
；
the buffer energy absorption coefficient of the elastic silicone rubber pad is more than or equal to 40 percent.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410216876.3A CN117782510B (en) | 2024-02-28 | Wind tunnel protection device and method for continuous wind tunnel model release test |
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|---|---|---|---|
| CN202410216876.3A CN117782510B (en) | 2024-02-28 | Wind tunnel protection device and method for continuous wind tunnel model release test |
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| CN117782510A true CN117782510A (en) | 2024-03-29 |
| CN117782510B CN117782510B (en) | 2024-05-14 |
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Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06300659A (en) * | 1993-04-15 | 1994-10-28 | Mitsubishi Heavy Ind Ltd | Model collector |
| CN204858839U (en) * | 2015-09-08 | 2015-12-09 | 河南新锐动力科技有限公司 | Device of making an uproar falls in motor |
| KR101681121B1 (en) * | 2015-11-25 | 2016-12-01 | 국방과학연구소 | Fall model collecting apparatus for wind tunnel test |
| CN107745641A (en) * | 2017-09-13 | 2018-03-02 | 安徽科创新能源科技有限责任公司 | A kind of sealing shell structure of new-energy automobile charging pile |
| CN108181078A (en) * | 2017-12-19 | 2018-06-19 | 中国航天空气动力技术研究院 | A kind of piston for gun wind tunnel stops stop device |
| CN207697682U (en) * | 2017-12-26 | 2018-08-07 | 安徽省龙佳交通设备有限公司 | A kind of lorry rear-end device using foamed aluminium |
| CN209191868U (en) * | 2018-12-03 | 2019-08-02 | 北京雷铂犀牛科技有限公司 | A kind of impact strength alleviation bumper |
| CN111323199A (en) * | 2020-03-31 | 2020-06-23 | 杭州佐格通信设备有限公司 | Debris intercepting mechanism of wind tunnel and wind tunnel |
| CN111982454A (en) * | 2020-08-28 | 2020-11-24 | 中国空气动力研究与发展中心高速空气动力研究所 | Arresting net protection system for flutter wind tunnel test and protection method thereof |
| CN115791070A (en) * | 2023-02-08 | 2023-03-14 | 中国航空工业集团公司沈阳空气动力研究所 | Continuous wind tunnel flutter test safety device |
| CN116337401A (en) * | 2023-01-10 | 2023-06-27 | 中国航天空气动力技术研究院 | Shock tunnel plasma sheath and wake light radiation characteristic measurement system and method |
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06300659A (en) * | 1993-04-15 | 1994-10-28 | Mitsubishi Heavy Ind Ltd | Model collector |
| CN204858839U (en) * | 2015-09-08 | 2015-12-09 | 河南新锐动力科技有限公司 | Device of making an uproar falls in motor |
| KR101681121B1 (en) * | 2015-11-25 | 2016-12-01 | 국방과학연구소 | Fall model collecting apparatus for wind tunnel test |
| CN107745641A (en) * | 2017-09-13 | 2018-03-02 | 安徽科创新能源科技有限责任公司 | A kind of sealing shell structure of new-energy automobile charging pile |
| CN108181078A (en) * | 2017-12-19 | 2018-06-19 | 中国航天空气动力技术研究院 | A kind of piston for gun wind tunnel stops stop device |
| CN207697682U (en) * | 2017-12-26 | 2018-08-07 | 安徽省龙佳交通设备有限公司 | A kind of lorry rear-end device using foamed aluminium |
| CN209191868U (en) * | 2018-12-03 | 2019-08-02 | 北京雷铂犀牛科技有限公司 | A kind of impact strength alleviation bumper |
| CN111323199A (en) * | 2020-03-31 | 2020-06-23 | 杭州佐格通信设备有限公司 | Debris intercepting mechanism of wind tunnel and wind tunnel |
| CN111982454A (en) * | 2020-08-28 | 2020-11-24 | 中国空气动力研究与发展中心高速空气动力研究所 | Arresting net protection system for flutter wind tunnel test and protection method thereof |
| CN116337401A (en) * | 2023-01-10 | 2023-06-27 | 中国航天空气动力技术研究院 | Shock tunnel plasma sheath and wake light radiation characteristic measurement system and method |
| CN115791070A (en) * | 2023-02-08 | 2023-03-14 | 中国航空工业集团公司沈阳空气动力研究所 | Continuous wind tunnel flutter test safety device |
Non-Patent Citations (3)
| Title |
|---|
| 宋威等: "风洞投放试验技术的研究现状与应用综述", 航空学报, vol. 42, no. 6, 14 July 2020 (2020-07-14), pages 176 - 191 * |
| 程仁全, 周东轩: "外挂物风洞投放实验技术研究", 流体力学实验与测量, no. 01, 30 March 1989 (1989-03-30), pages 33 - 39 * |
| 陈自鹏;石少卿;罗伟铭;李季;: "柔性蜂窝防护结构抗侵彻数值模拟", 后勤工程学院学报, no. 01, 30 January 2017 (2017-01-30), pages 14 - 18 * |
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