CN206292029U - For the wall jet device of wind tunnel test - Google Patents
For the wall jet device of wind tunnel test Download PDFInfo
- Publication number
- CN206292029U CN206292029U CN201621398937.XU CN201621398937U CN206292029U CN 206292029 U CN206292029 U CN 206292029U CN 201621398937 U CN201621398937 U CN 201621398937U CN 206292029 U CN206292029 U CN 206292029U
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- Prior art keywords
- wind
- jet orifice
- jet
- wind tunnel
- air channel
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- Aerodynamic Tests, Hydrodynamic Tests, Wind Tunnels, And Water Tanks (AREA)
Abstract
The utility model proposes a kind of wall jet device for wind tunnel test, blower fan and its air channel of connection including being arranged on the experimental section lower abdominal of wind tunnel body, the air channel is W types air channel, it is connected between blower fan and jet orifice, the jet orifice is 180 DEG C of revolutions and the jet orifice wide with wind-tunnel；The sidewall locations of the jet orifice are provided with several lifting apparatus for making it into wind tunnel body, are additionally provided with the throttle setting of the opening and closing of control variable airflow and load；The jet orifice end be provided with airflow regulation to flow deflector.The utility model provides a kind of wall jet device, wind field characteristic during storm can be simulated, to have more accurate laboratory facilities and verification tool when building, bridge carry out Structure Calculation on the basis of conventional boundary layer wind-tunnel.
Description
Technical field
The utility model is related to wing tunnel test apparatus field, particularly relates to a kind of wall jet dress for wind tunnel test
Put.
Background technology
Boundary layer wind tunnel has had significant progress in decades as the instrument of structure design.Its wind speed for producing
Can approximately stablize, often be used to simulate near surface strong wind weather.But for storm research, the flow field with above-mentioned this stabilization is cut
So difference is, it is necessary to a kind of new construction of wind tunnel is simulated.The country there is no the wind-tunnel of this type.Existing wind-tunnel is all without axial direction
Jet orifice, it is impossible to the flow field conventional wind of simulation is acted on jet wind simultaneously when；Due to no said apparatus, jet cannot be more simulated
Flow field situation when wind is mutated.
Utility model content
The utility model proposes a kind of wall jet device for wind tunnel test, can be in the base of conventional boundary layer wind-tunnel
On plinth, wind field characteristic during simulation storm.
What the technical solution of the utility model was realized in：A kind of wall jet device for wind tunnel test, including
Blower fan and its air channel of connection of the experimental section lower abdominal of wind tunnel body are arranged on, the air channel is W types air channel, is connected to wind
Between machine and jet orifice, the jet orifice is 180 DEG C of revolutions and the jet orifice wide with wind-tunnel；The sidewall locations of the jet orifice
Several lifting apparatus for making it into wind tunnel body are provided with, the throttle setting of the opening and closing of control variable airflow and load is additionally provided with；
The jet orifice end be provided with airflow regulation to flow deflector.
Preferably, the throttle setting includes pneumatic air door and pneumatic off-load air door, the pneumatic off-load air door is set
In the middle part of jet orifice, pneumatic air door is arranged on jet orifice near one end of flow deflector.
Preferably, the lifting apparatus are the pneumatic cylinder or hydraulic cylinder for being arranged on jet orifice both sides.
Compared with prior art, the utility model has the advantage of：It is an object of the invention to provide a kind of wall jet dress
Put, wind field characteristic during storm can be simulated, to carry out structure in building, bridge on the basis of conventional boundary layer wind-tunnel
There are more accurate laboratory facilities and verification tool during calculating.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
In figure：1st, blower fan；2nd, W types air channel；3rd, pneumatic off-load air door；4th, lifting apparatus；5th, pneumatic air door；6th, jet orifice；
7th, flow deflector；8th, hole body.
Specific embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole realities
Apply example.Based on the embodiment in the utility model, those of ordinary skill in the art institute under the premise of creative work is not made
The every other embodiment for obtaining, belongs to the scope of the utility model protection.
Embodiment：Referring to Fig. 1, a kind of wall jet device for wind tunnel test, including the reality for being arranged on wind tunnel body 8
Test the blower fan 1 of section lower abdominal and its air channel of connection, the air channel is W types air channel 2, be connected to blower fan 1 and jet orifice 6 it
Between, the jet orifice 6 is 180 DEG C of revolutions and the jet orifice 6 wide with wind-tunnel；The sidewall locations of the jet orifice 6 are provided with several
The lifting apparatus 4 of wind tunnel body 8 can be made it into, the throttle setting of the opening and closing of control variable airflow and load is additionally provided with；It is described to penetrate
The end of head piece 6 be provided with airflow regulation to flow deflector 7.
Preferably, the throttle setting includes pneumatic air door 5 and pneumatic off-load air door 3, the pneumatic off-load air door 3 sets
Put at the middle part of jet orifice 6, pneumatic air door 5 is arranged on jet orifice 6 near one end of flow deflector 7.
Preferably, the lifting apparatus 4 are the pneumatic cylinder or hydraulic cylinder for being arranged on the both sides of jet orifice 6.
Compared with prior art, the utility model has the advantage of：It is an object of the invention to provide a kind of wall jet dress
Put, wind field characteristic during storm can be simulated, to carry out structure in building, bridge on the basis of conventional boundary layer wind-tunnel
There are more accurate laboratory facilities and verification tool during calculating.
Wall jet device is set by the test section of boundary layer wind tunnel hole body 8, there is provided another strand of variable airflow, to simulate
Flow field characteristic during storm.Fluidic device is arranged on test chamber belly, by blower fan 1, the revolution of 2,180 DEG C of W types air channel etc.
Jet orifice wide 6, and lifting and throttle setting are constituted.By this covering device, the wall jet wind speed of 45m/s can be produced.Entering
When row conventional boundary layer is tested, jet orifice 6 can be sunk to removing hole body 8 by fluidic device by lifting equipment.Carrying out wind speed
During the simulation of mutation, coordinated by the action of off-load air door and the air door of jet orifice 6, impact wind and the anticlimax within 0.5S can be formed
Wind.
Increase fluidic device using on the basis of conventional boundary layer wind-tunnel, lifted fluidic device by lifting apparatus 4, make
Jet orifice 6 enters in the region of hole body 8, has reached the purpose in simulation storm flow field, and wall jet device on-fixed is set, can be
Appeared body 8 without time shift, recover wind-tunnel routine flow field characteristic, by the setting of air door, mutation wind can be formed, be more nearly storm
Real scene.The design is applied on the wind-tunnel of 2.4 meters * 1.8 meters of certain colleges and universities at home, is solved and build under storm environment
The problem of Zhu Wu mechanisms calculating simulation.
Preferred embodiment of the present utility model is the foregoing is only, is not used to limit the utility model, it is all at this
Within the spirit and principle of utility model, any modification, equivalent substitution and improvements made etc. should be included in the utility model
Protection domain within.
Claims (3)
1. a kind of wall jet device for wind tunnel test, including be arranged on the experimental section lower abdominal of wind tunnel body (8)
Blower fan (1) and its air channel of connection, it is characterised in that：The air channel is W types air channel (2), is connected to blower fan (1) and jet orifice
(6) between, the jet orifice (6) is 180 DEG C of revolutions and the jet orifice (6) wide with wind-tunnel；The side wall position of the jet orifice (6)
Several lifting apparatus (4) for making it into wind tunnel body (8) are installed, the wind of the opening and closing of control variable airflow and load is additionally provided with
Door gear；Jet orifice (6) end be provided with airflow regulation to flow deflector (7).
2. the wall jet device for wind tunnel test according to claim 1, it is characterised in that：The throttle setting bag
Pneumatic air door (5) and pneumatic off-load air door (3) are included, the pneumatic off-load air door (3) is arranged on jet orifice (6) middle part, aerodynamic wind
Door (5) is arranged on jet orifice (6) near one end of flow deflector (7).
3. the wall jet device for wind tunnel test according to claim 1, it is characterised in that：The lifting apparatus
(4) to be arranged on the pneumatic cylinder or hydraulic cylinder of jet orifice (6) both sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621398937.XU CN206292029U (en) | 2016-12-19 | 2016-12-19 | For the wall jet device of wind tunnel test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621398937.XU CN206292029U (en) | 2016-12-19 | 2016-12-19 | For the wall jet device of wind tunnel test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206292029U true CN206292029U (en) | 2017-06-30 |
Family
ID=59104895
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621398937.XU Expired - Fee Related CN206292029U (en) | 2016-12-19 | 2016-12-19 | For the wall jet device of wind tunnel test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206292029U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107202676A (en) * | 2017-07-05 | 2017-09-26 | 郑州大学 | A kind of field of turbulent flow analogue means tested for Structural Wind Engineering |
| CN110296810A (en) * | 2019-07-25 | 2019-10-01 | 重庆科技学院 | A kind of downburst wake flow section simulation of wind device |
| CN111122099A (en) * | 2019-12-30 | 2020-05-08 | 中国航天空气动力技术研究院 | First corner section test device for automobile wind tunnel |
| CN112504617A (en) * | 2020-11-19 | 2021-03-16 | 重庆大学 | Method for simulating downburst flow by coupling wall surface jet flow and boundary layer wind tunnel of multi-blade wing grid |
-
2016
- 2016-12-19 CN CN201621398937.XU patent/CN206292029U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107202676A (en) * | 2017-07-05 | 2017-09-26 | 郑州大学 | A kind of field of turbulent flow analogue means tested for Structural Wind Engineering |
| CN107202676B (en) * | 2017-07-05 | 2024-02-20 | 郑州大学 | Turbulent flow field simulation device for structural wind engineering test |
| CN110296810A (en) * | 2019-07-25 | 2019-10-01 | 重庆科技学院 | A kind of downburst wake flow section simulation of wind device |
| CN111122099A (en) * | 2019-12-30 | 2020-05-08 | 中国航天空气动力技术研究院 | First corner section test device for automobile wind tunnel |
| CN111122099B (en) * | 2019-12-30 | 2021-12-07 | 中国航天空气动力技术研究院 | First corner section test device for automobile wind tunnel |
| CN112504617A (en) * | 2020-11-19 | 2021-03-16 | 重庆大学 | Method for simulating downburst flow by coupling wall surface jet flow and boundary layer wind tunnel of multi-blade wing grid |
| CN112504617B (en) * | 2020-11-19 | 2022-07-29 | 重庆大学 | Method for simulating downburst flow by coupling wall surface jet flow and boundary layer wind tunnel of multi-blade wing grid |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170630 Termination date: 20201219 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |