CN105973565A - Lateral jet flow system for wind tunnel interference test - Google Patents
Lateral jet flow system for wind tunnel interference test Download PDFInfo
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- CN105973565A CN105973565A CN201610498115.7A CN201610498115A CN105973565A CN 105973565 A CN105973565 A CN 105973565A CN 201610498115 A CN201610498115 A CN 201610498115A CN 105973565 A CN105973565 A CN 105973565A
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- pole
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- interference test
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M9/00—Aerodynamic testing; Arrangements in or on wind tunnels
- G01M9/02—Wind tunnels
- G01M9/04—Details
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- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Aerodynamic Tests, Hydrodynamic Tests, Wind Tunnels, And Water Tanks (AREA)
Abstract
The invention relates to a wind tunnel test device. More specifically, the invention relates to a lateral jet flow system for a wind tunnel interference test. The system is disposed in a wind tunnel, and comprises a supporting rod, wherein the interior of the supporting rod is horizontally provided with a high-pressure air flow channel. An inlet of the high-pressure air flow channel is connected to an air supply device, and an outlet of the supporting rod is provided with a force measurement device which is used for measuring the stress on a test model in the wind tunnel. The force measurement device is not communicated with the outlet of the high-pressure air flow channel. Moreover, the diameter of the outlet end of the supporting rod is less than the diameter of the inlet end. The system also comprises a spraying pipe which is disposed at the outlet of the high-pressure air flow channel. The axial direction of the spraying pipe is perpendicular to the axial direction of the high-pressure air flow channel. A high-pressure air flow passes through the high-pressure air flow channel and the spraying pipe, and is sprayed from a side part of the supporting rod to act on the test model. The system provided by the invention can meet the requirements of the model space and the spraying pipe layout, and employs a conventional force measurement device for precise measurement in the wind tunnel interference test.
Description
Technical field
The present invention relates to a kind of flow tunnel testing device.It is more particularly related to a kind of side for wind-tunnel interference test
To jet system.
Background technology
Along with the fast development of Global Aerospace cause, especially space weapon model maneuverability requirement is improved constantly,
More and more extensive as the use in weapon model of the lateral thrust control of a kind of high maneuverability solution, thus to wind-tunnel
Lateral jet interference test proposes new requirement.It is few, for number that weapon model lateral thrust control before China uses
Few model using lateral thrust control technology belongs to tactics, strategic arms more, and belong to orbits controlling (jet pipe is flying more
Row device center of mass, earlier).Owing to moulded dimension is relatively big, conventional lateral jet experimental technique is in design specialized
Empty jet test balance, due to balance hollow, therefore balance is relatively large in diameter, and is five components.Jet flow gas circuit is designed as list
Only vent line is through the balance of hollow near model jet flow position, and gas circuit end connecting spray nozzle section is required for simulating
Side spray jet pipe.Along with China's weapon is gradually changed into autonomous innovation by tracking is imitated, increasing model uses Lateral jet side
Formula, and control mode includes orbits controlling and gesture stability (jet pipe away from barycenter farther out, and rearward), type contain strategy,
Tactics and conventional weapon, model slenderness ratio is very big, and internal free space is more and more less, and former jet flow balance form size is
Being unsatisfactory for test demand, the requirement of model demand measurement accurate to aerodynamic data simultaneously improves constantly, and uses conventional high accuracy six
Component force balance carries out jet test and has become type design department first-selection.
Summary of the invention
It is an object of the invention to solve at least the above, and the advantage that at least will be described later is provided.
It is a still further object of the present invention to provide one and disclosure satisfy that the model space requires and jet pipe layout requirements, and utilize routine
Device for measuring force carries out the lateral jet system that wind-tunnel interference test is finely measured.
In order to realize object of the present invention and further advantage, it is provided that a kind of lateral jet system for wind-tunnel interference test
System, this lateral jet system is placed in described wind-tunnel, including:
Pole, its inner horizontal is provided with high pressure draught passage, and the import of described high pressure draught passage is connected to feeder,
The port of export of described pole is provided with the device for measuring force for measuring the test model force-bearing situation being placed in wind-tunnel, described dynamometry
The non-penetrating setting of outlet of device and described high pressure draught passage, and straight less than entrance point of the diameter of the port of export of described pole
Footpath；
Jet pipe, it is arranged on the exit of described high pressure draught passage, described jet pipe be axially perpendicular to the circulation of described high pressure gas
Road axial, high pressure draught acts on described test model through described high pressure draught passage and jet pipe from the ejection of described pole sidepiece.
Preferably, in the described lateral jet system for wind-tunnel interference test, described pole includes the connection that cooperates
Pole nozzle section and pole back segment, model nozzle section is set in the outlet side of described pole nozzle section, and jet pipe is placed in model
The pre-position of nozzle section, test model is connected to the port of export of model nozzle section, and the import of described pole back segment passes through one
Breather is connected with described feeder.
Preferably, in the described lateral jet system for wind-tunnel interference test, described pole nozzle section includes connecting successively
The straight sections such as the pole connect, pole changeover portion and pole coordinate section, and it is straight that described pole changeover portion is set to pass through
Footpath is gradually increased, and wherein, one end that described pole changeover portion diameter is less is connected with straight sections such as described poles, described pole mistake
The other end that the section of crossing is relatively large in diameter is connected with described pole depending post.
Preferably, in the described lateral jet system for wind-tunnel interference test, described pole changeover portion is relatively large in diameter
The other end forms a reducing, and the diameter of described reducing is consistent with the diameter of described pole cooperation section.
Preferably, in the described lateral jet system for wind-tunnel interference test, one end of described pole back segment has one
Gap, described pole back segment is set in the inlet side of described pole nozzle section by described gap, so that described pole jet pipe
Section and pole back segment form streamline structure.
Preferably, in the described lateral jet system for wind-tunnel interference test, described device for measuring force is arranged on described mould
In type nozzle section, described device for measuring force is the most logical with the outlet side of the outlet side of described pole nozzle section and described model nozzle section
Cross cone and coordinate fixing.
Preferably, in the described lateral jet system for wind-tunnel interference test, the outlet side of described pole nozzle section is opened
Being provided with a cone groove, one end of described device for measuring force is arranged in described cone groove, is formed with the outlet side with described pole nozzle section
Cone coordinates.
Preferably, in the described lateral jet system for wind-tunnel interference test, described jet pipe is internally provided with jet pipe larynx
Road, the outlet of described nozzle throat is set to wedge shape, and big opening end is positioned at outside.
Preferably, in the described lateral jet system for wind-tunnel interference test, described jet pipe can be one or two,
Two jet pipes are set in parallel in the same side or the both sides of described pole.
Preferably, in the described lateral jet system for wind-tunnel interference test, described jet pipe becomes with described pole one
Type is arranged.
The present invention at least includes following beneficial effect: the outlet sides pole arranges jet pipe so that high pressure draught is in pole
The high pressure draught passage in portion and jet pipe directly carry out wind-tunnel interference test from the ejection of pole sidepiece, export without through pole
The device for measuring force of end, system takes up room little, it is possible to utilize conventional device for measuring force to complete test, meets the model space and wants
Summation jet pipe layout requirements.And due to the non-penetrating setting of the outlet of device for measuring force Yu high pressure draught passage, therefore gas circuit is to dynamometry
Device is without impact, and dynamometry precision is high.Jet pipe can be processed according to test requirements document, design, and readily replaceable, system
Assembling, model are easy for installation, it is achieved thereby that the lateral jet interference test of multi-form jet pipe.
Part is embodied by the further advantage of the present invention, target and feature by description below, and part also will be by the present invention
Research and practice and be understood by the person skilled in the art.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the lateral jet system for wind-tunnel interference test of the present invention；
Fig. 2 is the sectional view of the pole nozzle section of the present invention；
Fig. 3 is the sectional view one of the jet pipe of the present invention；
Fig. 4 is the sectional view two of the jet pipe of the present invention；
Fig. 5 is the sectional view three of the jet pipe of the present invention；
Fig. 6 is the sectional view four of the jet pipe of the present invention.
Detailed description of the invention
The present invention is described in further detail below in conjunction with the accompanying drawings, to make those skilled in the art with reference to description word energy
Enough implement according to this.
Should be appreciated that used herein such as " have ", " comprising " and " including " term do not allot one or many
Other element individual or the existence of a combination thereof or interpolation.
As depicted in figs. 1 and 2, the present invention provides a kind of lateral jet system for wind-tunnel interference test, and this laterally sprays
Streaming system is placed in described wind-tunnel, and the port of export mentioned in the present invention refers both to one end kept left that each parts are positioned in diagram, enters
Mouth end refers both to one end kept right that each parts are positioned in diagram, including:
Pole 1, its inner horizontal is provided with high pressure draught passage 13, and high pressure draught passage is formed by pole inner hollow, institute
The import stating high pressure draught passage is connected to feeder, and the port of export of described pole is provided with and is placed in wind-tunnel for measurement
The device for measuring force 2 of test model force-bearing situation, device for measuring force is generally force balance, described device for measuring force and described high pressure gas
Also a certain distance, the setting of this section foremost of the non-penetrating setting of outlet of circulation road, i.e. high pressure draught channel distance pole
For entity shape, and the diameter of the port of export of described pole is less than the diameter of entrance point, this primarily to meet jet pipe flow and
The requirement of speed, because the maximal rate in high pressure draught passage only appears at cross-sectional area minimum, so in order to meet
The rate request of nozzle exit, it is necessary to assure the diameter of the port of export of pole is less than the diameter of entrance point.
Jet pipe 3, it is arranged on the exit of described high pressure draught passage, described jet pipe be axially perpendicular to described high pressure draught
Passage axial, high pressure draught acts on described test mould through described high pressure draught passage and jet pipe from the ejection of described pole sidepiece
The flow path of type, i.e. high pressure draught is broken line.
In the described lateral jet system for wind-tunnel interference test, described pole includes the pole jet pipe connected that cooperates
Section 11 and pole back segment 12, pole nozzle section and pole back segment are by least one pin-and-hole 111 He being disposed there between
The pin 121 being arranged in pin-and-hole is fixed.Model nozzle section 4 is set in the outlet side of described pole nozzle section, and jet pipe is put
In the pre-position of model nozzle section, test model is connected to the port of export of model nozzle section, and model nozzle section sprays with pole
Pipeline section install after, the jet pipe on pole coordinates with model nozzle section composition jet band, high pressure draught directly from jet pipe ejection after and
Wind-tunnel flows interaction and sprays to test model surface.The import of described pole back segment is by a breather 5 and described supply dress
Putting connection, the two ends of breather are separately installed with gas circuit front connector 51 and gas circuit is followed by 52, and breather connects by before gas circuit
Head is connected with the entrance point of pole back segment, and breather is connected with the outlet of feeder by joint after gas circuit, gas circuit front connector
It is followed by head with gas circuit to be fixed with breather by a nut (511,521) respectively.
In the described lateral jet system for wind-tunnel interference test, described pole nozzle section includes the pole etc. being sequentially connected with
Straight section i.e. these sections of pole such as straight section 112, pole changeover portion 113 and pole coordinate section 114, pole pass through
Diameter is not changed in, and keeps consistent, is a cylinder；Described pole changeover portion is set to the diameter that passes through gradually
Increasing, wherein, the straight section such as the less one end of described pole changeover portion diameter and described pole is connected, and described pole changeover portion is straight
The bigger other end in footpath coordinates section to be connected with described pole.Pole back segment coordinates section to be connected with wind-tunnel support by pole, and uses
Tail ring 122 is strained.The straight sections such as pole, pole changeover portion and pole coordinate section three can be integrally machined molding setting, it is possible to
To process respectively, reconnect fixing.Pole nozzle section ensures strut lengths requirement by straight sections such as poles, by pole transition
Section completes and the diameter transition of pole back segment, utilizes pole to coordinate section to produce cylinder with pole back segment and coordinates.Pole is used to even
Connecing test model, test model base pressure is had an impact by pole changeover portion, aerodynamically test specification,
Pole is stretched out the part of test model afterbody and be must be provided with the straight sections such as pole, and bottom the length of the straight section such as pole and test model
Equivalent diameter must is fulfilled for certain ratio.
In the described lateral jet system for wind-tunnel interference test, the other end that described pole changeover portion is relatively large in diameter is formed
One reducing, the diameter of described reducing is consistent with the diameter of described pole cooperation section, i.e. the entrance point of pole nozzle section forms a water
" convex " font of placing flat.
In the described lateral jet system for wind-tunnel interference test, one end of described pole back segment has a gap 123,
This gap is the U shape of a horizontal positioned, and described pole back segment is set in described pole nozzle section by described gap
Inlet side, so that described pole nozzle section and pole back segment form streamline structure.Streamlined structure is to test model tail
Rectified action is played in flow field by portion, it is to avoid air-flow is interfered and produces the flow field bigger on the impact of test model afterbody, thus shadow
Ring force measurements.At " convex " font entrance point and the U shape gap of pole back segment of pole nozzle section in the present embodiment
Relevant position be each provided with two pin-and-holes, each pin-and-hole is provided with a pin, the two to be fixed.Additionally, pole
Back segment is additionally provided with a positioning ring 124, and positioning ring is fixed with pole back segment by pin, by positioning ring inching
Jet pipe position in Flow Field in Wind Tunnel.Jet test is needed spout area to be carried out schlieren shooting, to observe spout area
Flowage structure.Owing to test section optical observation window position is fixed, it is therefore desirable to jet pipe is finely adjusted in the position of test section,
Regulative mode is that pole back segment is connected with wind-tunnel support, and wind-tunnel support front end coordinates location by positioning ring with pole end face,
By position before and after the width i.e. scalable pole of change positioning ring, owing to pole is connected with jet pipe, the therefore position of jet pipe
Put and also can change.
In the described lateral jet system for wind-tunnel interference test, described device for measuring force is arranged in described model nozzle section,
Described device for measuring force all coordinates solid with the outlet side of the outlet side of described pole nozzle section and described model nozzle section by cone
Fixed.Model nozzle section is connected with device for measuring force inner cone by blind rivet 6, pad 7 and the tapered sleeve 8 set gradually, device for measuring force
Rear cone is connected with pole nozzle section by voussoir 9.
In the described lateral jet system for wind-tunnel interference test, the outlet side of described pole nozzle section offers a cone groove
115, one end of described device for measuring force is arranged in described cone groove, coordinates to be formed to bore with the outlet side of described pole nozzle section.
Offering keyway 1151 and wedge groove 1152 on the conical surface of cone groove, voussoir is arranged in wedge groove, ensures positioning precision by keyway,
And fastened device for measuring force and pole nozzle section further by wedge groove and voussoir.
In the described lateral jet system for wind-tunnel interference test, described jet pipe is internally provided with nozzle throat 31, institute
The outlet 32 stating nozzle throat is set to wedge shape, and big opening end is positioned at outside.The periphery of nozzle throat is jet pipe wall 33,
Simulated jet pipe external diameter by jet pipe wall, control gas jet muzzle velocity and angle, shape by the wedge shape of nozzle throat with outlet
Become the simulation of gas jet speed or momentum simulation.
In the described lateral jet system for wind-tunnel interference test, as illustrated in figures 3-6, described jet pipe can be one or
Two, two jet pipes are set in parallel in the same side or the both sides of described pole.Wherein, Fig. 3 is the double spray in side jet pipe, and Fig. 4 is
Single just jet pipe, Fig. 5 is the most double spray jet pipes, and Fig. 6 is unilateral spray jet pipe, by the pole nozzle section of more tape swapping jet pipe
Realize the lateral jet interference test of multi-form jet pipe.
In the described lateral jet system for wind-tunnel interference test, described jet pipe and the one-body molded setting of described pole, subtract
The use of few connector.
Typical load cell balance, when assembling, is first connected with pole nozzle section, and uses voussoir by the lateral jet system of the present invention
Fixing integral, then by pole nozzle section by coordinating face to be connected with pole back segment, and fix with pin.Lead to the most again
Cross pole back segment and pole coordinates section to be connected with wind-tunnel support, adjust jet pipe in high pressure draught channel flow field by positioning ring
Position, afterwards with tail ring tension pole and wind-tunnel support.Finally test model is connected with pole nozzle section with required attitude,
And strain with blind rivet, pole back segment i.e. completes the dress of the novel lateral jet system for wind-tunnel interference test after connecting breather
Join.This system is tested for lateral jet wind-tunnel interference force measurement, and jet pipe does not contacts with test model, therefore moves due to jet flow
The direct jet flow power that amount causes will not act on test model, but flows phase interaction from the lateral jet of jet pipe ejection with wind-tunnel
With rear, can change the fluidised form of Inlet-air Velocity Distribution near jet pipe, changing of test model surface pressing can be caused in the flow field of different fluidised forms
Become, thus change the aerodynamic force suffered by test model.To without jet flow state and there is jet flow condition test model to be subject in test
Power situation measures respectively, under identical test state, has jet flow state and the test measured without force balance during jet flow state
Model stress difference is Jet enterference value.
Although embodiment of the present invention are disclosed as above, but it is not restricted in description and embodiment listed utilization,
It can be applied to various applicable the field of the invention completely, for those skilled in the art, is easily achieved
Amendment additionally, therefore under the general concept limited without departing substantially from claim and equivalency range, the present invention is not limited to spy
Fixed details and shown here as with describe legend.
Claims (10)
1. for a lateral jet system for wind-tunnel interference test, this lateral jet system is placed in described wind-tunnel, and it is special
Levy and be, including:
Pole, its inner horizontal is provided with high pressure draught passage, and the import of described high pressure draught passage is connected to feeder,
The port of export of described pole is provided with the device for measuring force for measuring the test model force-bearing situation being placed in wind-tunnel, described dynamometry
The non-penetrating setting of outlet of device and described high pressure draught passage, and straight less than entrance point of the diameter of the port of export of described pole
Footpath；
Jet pipe, it is arranged on the exit of described high pressure draught passage, described jet pipe be axially perpendicular to the circulation of described high pressure gas
Road axial, high pressure draught acts on described test model through described high pressure draught passage and jet pipe from the ejection of described pole sidepiece.
2. the lateral jet system for wind-tunnel interference test as claimed in claim 1, it is characterised in that described pole
The pole nozzle section and pole back segment connected including cooperating, model nozzle section is set in the outlet side of described pole nozzle section,
And jet pipe is placed in the pre-position of model nozzle section, test model is connected to the port of export of model nozzle section, after described pole
The import of section is connected with described feeder by a breather.
3. the lateral jet system for wind-tunnel interference test as claimed in claim 2, it is characterised in that described pole
Nozzle section includes that the straight sections such as the pole that is sequentially connected with, pole changeover portion and pole coordinate section, described pole changeover portion be set to from
One end is gradually increased to the diameter of the other end, wherein, and the straight section such as the less one end of described pole changeover portion diameter and described pole
Connecting, the other end that described pole changeover portion is relatively large in diameter is connected with described pole depending post.
4. the lateral jet system for wind-tunnel interference test as claimed in claim 3, it is characterised in that described pole
The other end that changeover portion is relatively large in diameter forms a reducing, and the diameter of described reducing is consistent with the diameter of described pole cooperation section.
5. the lateral jet system for wind-tunnel interference test as claimed in claim 2, it is characterised in that described pole
One end of back segment has a gap, and described pole back segment is set in the inlet side of described pole nozzle section by described gap, with
Described pole nozzle section and pole back segment is made to form streamline structure.
6. the lateral jet system for wind-tunnel interference test as claimed in claim 2, it is characterised in that described dynamometry
Device is arranged in described model nozzle section, and described device for measuring force sprays with outlet side and the described model of described pole nozzle section
The outlet side of pipeline section all coordinates fixing by cone.
7. the lateral jet system for wind-tunnel interference test as claimed in claim 6, it is characterised in that described pole
The outlet side of nozzle section offers a cone groove, and one end of described device for measuring force is arranged in described cone groove, to spray with described pole
The outlet side of pipeline section forms cone and coordinates.
8. the lateral jet system for wind-tunnel interference test as claimed in claim 1, it is characterised in that described jet pipe
Being internally provided with nozzle throat, the outlet of described nozzle throat is set to wedge shape, and big opening end is positioned at outside.
9. the lateral jet system for wind-tunnel interference test as claimed in claim 1, it is characterised in that described jet pipe
Can be one or two, two jet pipes be set in parallel in the same side or the both sides of described pole.
10. as claimed in claim 8 or 9 for the lateral jet system of wind-tunnel interference test, it is characterised in that described
Jet pipe and the one-body molded setting of described pole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610498115.7A CN105973565B (en) | 2016-06-29 | 2016-06-29 | Lateral jet system for wind-tunnel interference test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610498115.7A CN105973565B (en) | 2016-06-29 | 2016-06-29 | Lateral jet system for wind-tunnel interference test |
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| Publication Number | Publication Date |
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| CN105973565A true CN105973565A (en) | 2016-09-28 |
| CN105973565B CN105973565B (en) | 2018-08-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610498115.7A Active CN105973565B (en) | 2016-06-29 | 2016-06-29 | Lateral jet system for wind-tunnel interference test |
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Cited By (9)
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| CN106768798A (en) * | 2016-11-28 | 2017-05-31 | 中国航天空气动力技术研究院 | One kind is used for big angle of attack rear lateral jet flow dynamometer check structure |
| CN108088649A (en) * | 2018-01-22 | 2018-05-29 | 中国空气动力研究与发展中心超高速空气动力研究所 | The model equipment and test method that jet pipe is connected with shape in wind tunnel test |
| CN108181077A (en) * | 2017-12-15 | 2018-06-19 | 浙江大学 | The two-fluid jet apparatus of changeable incoming flow conditions |
| CN108254155A (en) * | 2017-12-29 | 2018-07-06 | 中国航天空气动力技术研究院 | One kind is used for high-fineness ratio rail control lateral jet dynamometer check structure |
| CN108387357A (en) * | 2017-12-29 | 2018-08-10 | 中国航天空气动力技术研究院 | A kind of device for the lateral jet test in bottom |
| CN109029904A (en) * | 2017-06-12 | 2018-12-18 | 中国空气动力研究与发展中心超高速空气动力研究所 | One kind separating Jet enterference experimental rig for hypersonic wind tunnel head body |
| CN109632253A (en) * | 2018-12-10 | 2019-04-16 | 中国航天空气动力技术研究院 | A kind of model equipment for body of revolution jet flow dynamometer check |
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| CN110426175A (en) * | 2019-06-14 | 2019-11-08 | 北京空天技术研究所 | Ventilating model device for measuring force under free jet tunnel experimental condition |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106768798A (en) * | 2016-11-28 | 2017-05-31 | 中国航天空气动力技术研究院 | One kind is used for big angle of attack rear lateral jet flow dynamometer check structure |
| CN106768798B (en) * | 2016-11-28 | 2019-03-12 | 中国航天空气动力技术研究院 | One kind being used for big angle of attack rear lateral jet flow dynamometer check structure |
| CN109029904A (en) * | 2017-06-12 | 2018-12-18 | 中国空气动力研究与发展中心超高速空气动力研究所 | One kind separating Jet enterference experimental rig for hypersonic wind tunnel head body |
| CN109029904B (en) * | 2017-06-12 | 2023-08-15 | 中国空气动力研究与发展中心超高速空气动力研究所 | Be used for hypersonic speed wind tunnel head body separation jet interference test device |
| CN108181077A (en) * | 2017-12-15 | 2018-06-19 | 浙江大学 | The two-fluid jet apparatus of changeable incoming flow conditions |
| CN108254155A (en) * | 2017-12-29 | 2018-07-06 | 中国航天空气动力技术研究院 | One kind is used for high-fineness ratio rail control lateral jet dynamometer check structure |
| CN108387357A (en) * | 2017-12-29 | 2018-08-10 | 中国航天空气动力技术研究院 | A kind of device for the lateral jet test in bottom |
| CN108254155B (en) * | 2017-12-29 | 2020-06-09 | 中国航天空气动力技术研究院 | Rail-controlled lateral jet flow force measurement test structure for large slenderness ratio |
| CN108088649B (en) * | 2018-01-22 | 2023-07-18 | 中国空气动力研究与发展中心超高速空气动力研究所 | Model device for fixedly connecting spray pipe with shape in wind tunnel test and test method |
| CN108088649A (en) * | 2018-01-22 | 2018-05-29 | 中国空气动力研究与发展中心超高速空气动力研究所 | The model equipment and test method that jet pipe is connected with shape in wind tunnel test |
| CN109632253A (en) * | 2018-12-10 | 2019-04-16 | 中国航天空气动力技术研究院 | A kind of model equipment for body of revolution jet flow dynamometer check |
| CN109765031A (en) * | 2019-03-12 | 2019-05-17 | 中国空气动力研究与发展中心超高速空气动力研究所 | A kind of balance strut for wind-tunnel hot exhaust interference test |
| CN110426175A (en) * | 2019-06-14 | 2019-11-08 | 北京空天技术研究所 | Ventilating model device for measuring force under free jet tunnel experimental condition |
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