CN108106808A - A kind of movable wind tunnel device - Google Patents
A kind of movable wind tunnel device Download PDFInfo
- Publication number
- CN108106808A CN108106808A CN201711346924.7A CN201711346924A CN108106808A CN 108106808 A CN108106808 A CN 108106808A CN 201711346924 A CN201711346924 A CN 201711346924A CN 108106808 A CN108106808 A CN 108106808A
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- China
- Prior art keywords
- wind tunnel
- movable
- cylinder
- air hose
- 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
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- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Aerodynamic Tests, Hydrodynamic Tests, Wind Tunnels, And Water Tanks (AREA)
Abstract
The present invention relates to a kind of movable wind tunnels, cylinder including both ends open is provided with air hose in the cylinder, mounting bracket is provided with outside the cylinder, the wind-tunnel is fixed on movable equipment by mounting bracket, and wind-force is provided to air hose by the movement of the movable equipment；Test model supporting rack is provided in the air hose.The present invention can provide the wind speed needed for wind tunnel test by the traveling of the flight of aircraft, automobile or high ferro, without additional drive system, have many advantages, such as simple, convenient quick, energy conservation and environmental protection.
Description
Technical field
The present invention relates to modelling technique fields, and in particular to one kind for automobile, train, aircraft, subway train, build
The movable wind tunnel experimental rig for the hydrodynamic performance test built etc..
Background technology
In the design process of automobile, train, aircraft, subway train etc., aerodynamics index is an important parameter,
It has extremely important influence to dynamic property, economy, control stability of design object etc..Aerodynamic research master
Will be there are two types of method, one kind is to carry out numerical simulation using CFD approach, another then be progress wind tunnel test.Industrially, it is
The data such as test windage need to carry out wind tunnel test, and wind-tunnel is mainly made of hole body, drive system and Measurement and Control System, existing
Wind-tunnel drive system generally by fan or compressor come " making wind ", at present, compare for some rate requests
High test, the cost of wind-tunnel are higher.
The content of the invention
To solve the above-mentioned problems, the present invention provides a kind of movable wind tunnel, can by the flight of aircraft, automobile or
The traveling of high ferro provides the wind speed needed for wind tunnel test, without additional drive system, have with it is simple, convenient soon
The advantages that prompt, controllability height, energy conservation and environmental protection.
The technical solution adopted in the present invention is：A kind of movable wind tunnel, it is characterised in that：Cylinder including both ends open
Body is provided with air hose in the cylinder, is provided with mounting bracket outside the cylinder, being fixed on the wind-tunnel by mounting bracket can
In mobile equipment, and wind-force is provided to air hose by the movement of the movable equipment；Experiment mould is provided in the air hose
Type supporting rack.
Further, the air hose is included from import to the sequentially connected compression section in outlet, test section, diffuser, described
Examination
Model support erection is tested to be placed in test section.
Further, it is equipped with anemometry device in test section air intake vent, it is preferred that anemometry device is pitot.
Further, the diffuser is additionally provided with choke device, and the choke device can be moved in diffuser horizontal direction
It is dynamic.
Further, it is provided with smoke nozzle at the air intake vent of the air hose.
Further, video camera and headlamp are installed in the test section.
Further, it is additionally provided with DATA REASONING sensor in cylinder.The DATA REASONING sensor is sensed including horizontal force
One or more in device, vertical force snesor, air velocity transducer, air-temperature sensor, noise transducer, pressure sensor.
Further, operational module and data storage module are equipped in cylinder, the operational module is supported with test model
Frame phase
Connection, the data storage module are connected with the DATA REASONING sensor set in video camera and air hose.
Further, the operational module, data storage module by it is wired or wirelessly with control terminal phase
Connection, the control terminal are remote controler, mobile phone or computer.
In addition, in technical solution of the present invention, it is all not do what is illustrated, the conventional hand in this field can be used
Section realizes the technical program.
The invention has the advantages that：It is of the invention mainly to be realized by changing the drive system of flow tunnel testing device, it can
Wind-tunnel is fixed on by mounting bracket in aircraft, automobile or high ferro, wind-tunnel is provided by the traveling of the flight of aircraft, vehicle
Wind speed needed for test, without additional drive system, and can test scope and wide, carried out in usual flight or traveling
Test, can be carried out at the same time multigroup test, and will not have an impact to flying or travelling, can substantially reduce wind tunnel test into
This.
The air hose both ends compression section of the present invention, the cross-sectional area of diffuser are more than the cross-sectional area of intermediate test section, so as to
Wind speed, wind pressure can be improved as far as possible so that can reduce mobile equipment as far as possible in the case where meeting test condition
Gait of march, further reduce test cost.The present invention can be obtained by camera and characterized under the action of smoke nozzle
The Flow Field Distribution figure of the test model flow field characteristics of motion, and most image information is transmitted to control terminal and is handled at last.This hair
It is bright to be additionally provided with the operational module being connected with test model supporting rack, can according to demand to the Installation posture of test model into
Row remote control adjustment, situations such as so as to detect the stress under different postures.
Description of the drawings
Fig. 1 is the structure diagram of the present invention.
In figure：1st, cylinder；2nd, mounting bracket；3rd, air hose；4th, test model supporting rack；5th, smoke nozzle；6th, video camera；7th, illuminate
Lamp；8th, operational module；9th, data storage module；10th, test model；11st, pitot.
Specific embodiment
The present invention will be further described below in conjunction with the accompanying drawings.
Referring to Fig. 1, a kind of movable wind tunnel, the cylinder 1 including both ends open is provided with air hose 3 in cylinder, outside cylinder
Portion is provided with mounting bracket 2, and wind-tunnel is fixed on movable equipment by mounting bracket 2, and passes through the movable equipment
It is mobile to provide wind-force to air hose；Test model supporting rack 4 is provided in the air hose.
Air hose includes setting from import to sequentially connected compression section, test section, diffuser, test model supporting rack 4 is exported
It is placed in test section.Compression section is in bell shape, i.e., diameter slowly becomes smaller from outside to inside；Diffuser is also in bell shape,
(wind direction) diameter slowly becomes larger i.e. from inside to outside.
The air hose both ends compression section of the present invention, the cross-sectional area of diffuser are more than the cross-sectional area of intermediate test section, so as to
Wind speed, wind pressure can be improved as far as possible so that can reduce mobile equipment as far as possible in the case where meeting test condition
Gait of march, further reduce test cost.
The present invention mainly realized by changing the drive system of wind-tunnel, can by wind-tunnel by mounting bracket be fixed on aircraft,
On automobile or high ferro, the wind speed needed for wind tunnel test is provided by the traveling of the flight of aircraft, vehicle, without additional drive
Dynamic system, and can test scope and wide, tested in usual flight or traveling, multigroup test can be carried out at the same time, and
And will not have an impact to flying or travelling, the cost of wind tunnel test can be substantially reduced.
Anemometry device is equipped in test section air intake vent, it is preferred that anemometry device is pitot 11, for measuring
Wind speed.
In the present invention, choke device is additionally provided in diffuser, choke device can be moved in diffuser horizontal direction.Diffusion
For section in bell shape, choke device is in class ellipsoid shaped, and the air outlet that can adjust diffuser by mobile choke device is big
It is small, so as to fulfill the purpose of flow velocity is adjusted, the wind speed of test section can also be greatly increased.
Smoke nozzle 5 is provided at the air intake vent of air hose.The colored smoke sprayed by smoke nozzle can be used for observing gas
Flow movement locus.Smoke nozzle 5 can set it is multiple, such as setting up and down two, spout respectively windward, against the wind set.
So that smog is evenly distributed, the shooting effect of video camera 7 is improved.
Preferably, video camera 6 and headlamp 7 are installed in test section.Video camera can note down entire test process, headlamp
7 pairs of video cameras 6 carry out light filling, and the Flow Field Distribution figure of the characterization test model flow field characteristics of motion can be obtained by video camera 7, and
Most image information is transmitted to control terminal and is handled at last.In the present invention, headlamp and video camera can also be it is integral, such as
Video camera 6 self illumination lamp itself.
Further, it is additionally provided with DATA REASONING sensor (not illustrated) in cylinder 1.DATA REASONING sensor includes horizontal force
In sensor, vertical force snesor, air velocity transducer (pitot data), air-temperature sensor, noise transducer, pressure sensor
One or more.For detecting various sensing datas.
Operational module 8 and data storage module 9 are equipped in cylinder, operational module 8 is connected with test model supporting rack, number
It is connected according to storage module with the DATA REASONING sensor set in video camera and air hose.
Operational module, data storage module pass through wired or be wirelessly connected with control terminal, control terminal
For remote controler, mobile phone or computer.So that control terminal can not only obtain the parameter of every measurement, and energy at the first time
It is enough that adjusting is remotely controlled to the Installation posture of test model according to demand, so as to detect the feelings such as the stress under different postures
Condition.As a preferred embodiment, the control terminal is remote controler, mobile phone or computer.
In the present invention, test model 10 is car model, train model, model aircraft, subway train model or building mould
Type.Movable equipment is aircraft, automobile or high ferro lamp.
The wind tunnel test methods of the present invention, include the following steps：
(1) experimental rig is fixed on according to certain angle on movable equipment by mounting bracket 2；
(2) test model is installed；
(2) movable equipment is started so that the movable equipment movement to air hose 3 so that provide wind-force；
Finally it should be noted that：The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
The present invention is described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that：It still may be used
To modify to the technical solution recorded in foregoing embodiments or carry out equivalent substitution to which part technical characteristic；
And these modification or replace, do not make appropriate technical solution essence depart from various embodiments of the present invention technical solution spirit and
Scope.
Claims (10)
1. a kind of movable wind tunnel, it is characterised in that：Cylinder (1) including both ends open, the cylinder (1) is interior to be provided with wind
It manages (3), is provided with mounting bracket (2) outside the cylinder (1), the wind-tunnel is fixed on by movable equipment by mounting bracket (2)
On, and by the movement of the movable equipment wind-force is provided to air hose (3)；Test model is provided in the air hose (3)
Supporting rack (4).
2. movable wind tunnel according to claim 1, it is characterised in that：The air hose (3) is included from import to outlet
Sequentially connected compression section, test section, diffuser, the test model supporting rack (4) are arranged in test section.
3. movable wind tunnel according to claim 2, it is characterised in that：It is filled in test section air intake vent equipped with anemometry
It puts (11).
4. movable wind tunnel according to claim 1, it is characterised in that：The diffuser is additionally provided with choke device, institute
Stating choke device can move in diffuser horizontal direction.
5. movable wind tunnel as described in claim 1, which is characterized in that spray is provided at the air intake vent of the air hose (3)
Smoke pipe (5).
6. movable wind tunnel as claimed in claim 2, which is characterized in that be equipped with video camera (6) in the test section and shine
Bright lamp (7).
7. movable wind tunnel as described in claim 1, which is characterized in that be additionally provided with DATA REASONING sensor in cylinder (1).
8. movable wind tunnel according to claim 7, it is characterised in that：The DATA REASONING sensor includes horizontal force
Sensor, vertical force snesor, air velocity transducer, air-temperature sensor, noise transducer, one kind in pressure sensor or more
Kind.
9. movable wind tunnel as claimed in claim 8, which is characterized in that be equipped with operational module (8) in cylinder (1) and data are stored up
Storing module (9), the operational module (8) are connected with test model supporting rack (4), the data storage module (9) and camera shooting
The DATA REASONING sensor set in machine (6) and air hose (3) is connected.
10. movable wind tunnel according to claim 9, it is characterised in that：The operational module (8), data storage mould
Block (9) is by wired control terminal that is either wirelessly connected with control terminal for remote controler, mobile phone or electricity
Brain.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711346924.7A CN108106808A (en) | 2017-12-15 | 2017-12-15 | A kind of movable wind tunnel device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711346924.7A CN108106808A (en) | 2017-12-15 | 2017-12-15 | A kind of movable wind tunnel device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108106808A true CN108106808A (en) | 2018-06-01 |
Family
ID=62217224
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711346924.7A Pending CN108106808A (en) | 2017-12-15 | 2017-12-15 | A kind of movable wind tunnel device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108106808A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109141803A (en) * | 2018-08-29 | 2019-01-04 | 杨雪锋 | A kind of transfer flight simulation wind-tunnel |
| CN113784076A (en) * | 2021-11-15 | 2021-12-10 | 中国空气动力研究与发展中心超高速空气动力研究所 | Device and method for synchronously and automatically downloading multi-point monitoring video for wind tunnel test |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0515278A1 (en) * | 1991-05-24 | 1992-11-25 | E.R.é.M.E. | Device for simulating ground movement in aerodynamic wind tunnels |
| JPH08226868A (en) * | 1995-02-20 | 1996-09-03 | Ishikawajima Harima Heavy Ind Co Ltd | Constant pressure air source for supersonic wind tunnel |
| US7832265B1 (en) * | 2008-12-19 | 2010-11-16 | Stewart Gong | Vertical wind tunnel sports arena |
| CN201724806U (en) * | 2010-07-09 | 2011-01-26 | 河南科技大学 | Simple wind tunnel test device of wind wheel of vertical shaft wind driven generator |
| CN102323037A (en) * | 2011-05-19 | 2012-01-18 | 中国科学院寒区旱区环境与工程研究所 | Movable and portable wind erosion tunnel |
| CN103115745A (en) * | 2013-01-17 | 2013-05-22 | 中国科学院力学研究所 | Hanging pendulum type impact buffer device of hypersonic velocity shock wave wind tunnel |
| CN104614147A (en) * | 2015-01-29 | 2015-05-13 | 天津三电汽车空调有限公司 | Movable environment test chamber for automobile environment wind tunnel laboratory |
| CN208171555U (en) * | 2017-12-15 | 2018-11-30 | 苏州科伊嘉航空科技有限公司 | A kind of movable wind tunnel device |
-
2017
- 2017-12-15 CN CN201711346924.7A patent/CN108106808A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0515278A1 (en) * | 1991-05-24 | 1992-11-25 | E.R.é.M.E. | Device for simulating ground movement in aerodynamic wind tunnels |
| JPH08226868A (en) * | 1995-02-20 | 1996-09-03 | Ishikawajima Harima Heavy Ind Co Ltd | Constant pressure air source for supersonic wind tunnel |
| US7832265B1 (en) * | 2008-12-19 | 2010-11-16 | Stewart Gong | Vertical wind tunnel sports arena |
| CN201724806U (en) * | 2010-07-09 | 2011-01-26 | 河南科技大学 | Simple wind tunnel test device of wind wheel of vertical shaft wind driven generator |
| CN102323037A (en) * | 2011-05-19 | 2012-01-18 | 中国科学院寒区旱区环境与工程研究所 | Movable and portable wind erosion tunnel |
| CN103115745A (en) * | 2013-01-17 | 2013-05-22 | 中国科学院力学研究所 | Hanging pendulum type impact buffer device of hypersonic velocity shock wave wind tunnel |
| CN104614147A (en) * | 2015-01-29 | 2015-05-13 | 天津三电汽车空调有限公司 | Movable environment test chamber for automobile environment wind tunnel laboratory |
| CN208171555U (en) * | 2017-12-15 | 2018-11-30 | 苏州科伊嘉航空科技有限公司 | A kind of movable wind tunnel device |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109141803A (en) * | 2018-08-29 | 2019-01-04 | 杨雪锋 | A kind of transfer flight simulation wind-tunnel |
| CN109141803B (en) * | 2018-08-29 | 2020-07-31 | 江苏普旭软件信息技术有限公司 | Move and carry flight simulation wind-tunnel |
| CN113784076A (en) * | 2021-11-15 | 2021-12-10 | 中国空气动力研究与发展中心超高速空气动力研究所 | Device and method for synchronously and automatically downloading multi-point monitoring video for wind tunnel test |
| CN113784076B (en) * | 2021-11-15 | 2022-01-21 | 中国空气动力研究与发展中心超高速空气动力研究所 | Device and method for synchronously and automatically downloading multi-point monitoring video for wind tunnel test |
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