CN203502197U - Device for simulating downburst - Google Patents
Device for simulating downburst Download PDFInfo
- Publication number
- CN203502197U CN203502197U CN201320660704.2U CN201320660704U CN203502197U CN 203502197 U CN203502197 U CN 203502197U CN 201320660704 U CN201320660704 U CN 201320660704U CN 203502197 U CN203502197 U CN 203502197U
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- downburst
- angle bar
- fair water
- water fin
- simulating
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- Aerodynamic Tests, Hydrodynamic Tests, Wind Tunnels, And Water Tanks (AREA)
Abstract
The utility model relates to a device for simulating downbursts. The device for simulating downbursts comprises a flow guide plate, baffle plates, rough elements and angle iron. The baffle plates of the device are configured to be baffle plates with adjustable vertical positions, and are conducive to the experimental simulation of different heights with the cooperation of the flow guide plate, thereby increasing the precision of results of the device; and the angle iron is configured to be irregular trapezoid angle iron, the side vertical angular separation is 0.7m, and the angle iron is conductive to protect and support the flow guide plate and the baffle plates and to improve the working stability of the device. The device for simulating downbursts has the advantages of simple structure, convenient operation and low manufacturing cost, and solves the technical problems of small application range and inaccurate result of the existing downburst devices.
Description
Technical field
The utility model belongs to weather forecast technical field of measurement and test, relates in particular to a kind of device of simulating downburst.
Background technology
At present, the definition of downburst is proposed by Fujita, is defined as: the strong down draft forming in Thunderstorm Weather impacts behind ground, a kind of air-flow process extending in ground acceleration, and many m are summer now.Due to downburst wind profile and atmospheric boundary layer wind profile difference huge, and at 10m At The Height, belonging to the high wind load heart 1. moment wind-force can be over 12 grade, more than wind speed can increase to 33m/s, to the building structure of generation part, the location especially extremely strong sun of Architecture and Environment damage capability below 50m.Therefore in wind-tunnel, accurately simulating thunderstorm, is very important to the wind resistance of research low rise buildings.Research for downburst, Chinese scholars has been carried out a large amount of work, based on downburst measured result, given a typical downburst wind profile, at research downburst, propagate in computation model, take into full account the factor of storm translational speed, and summed up the radially time Changing Pattern of mean wind speed.Domestic aspect, the wind that Qu Weilian etc. also utilize CFD method to simulate and time hit thunderstorm cuts open picture, and contrasts with external classical wind profile model.Xu Ting etc. have designed vertical flow tunnel testing device, and downburst wind profile is simulated.But existing research conclusion exists, and range of application is little, the coarse problem of experimental result.
Utility model content
The utility model for the range of application that solves existing downburst device and exist is little, the inaccurate technical matters of result provides a kind of device of simple in structure, easy to install, the simulation downburst of increasing work efficiency.
The technical scheme that the utility model is taked for the technical matters existing in solution known technology is:
The device of the simulation downburst of the utility model embodiment, the device of this simulation downburst comprises: fair water fin, baffle plate, roughness element, angle bar;
Fair water fin be arranged on angle bar above, the lower end of baffle plate be arranged on right side angle bar above, the upper end of baffle plate is arranged on the right-hand member of fair water fin, roughness element is arranged on top and the left and right inferior horn of left and right sides angle bar, angle bar is arranged on the below of device.
The utility model can also adopt following technical measures:
Further, fair water fin adopts Height Adjustable fair water fin.
Further, under fair water fin, along level altitude adjustable extent, be 0.6m～1.1m, upper is 1.0m～1.7m along level altitude adjustable extent.
Further, angle bar is set to the irregular that the vertical angular separation of side is 0.7m.
Further, be set to the adjustable baffle plate of vertical position.
Advantage and the good effect that the utlity model has are: because the utility model baffle plate is set to vertical position adjustable baffle plate, be conducive to coordinate fair water fin to realize the experimental simulation of differing heights, thereby improve the degree of accuracy of device result; Angle bar is set to irregular angle bar, and the vertical angular separation of side is 0.7m, is conducive to play the effect of protection and supporting guide plate and baffle plate, is conducive to improve the job stability of device.The utility model is simple in structure, easy to operate, and cost of manufacture is low, preferably resolves that the range of application that existing downburst device exists is little, the inaccurate technical matters of result.
Accompanying drawing explanation
Fig. 1 is the apparatus structure schematic diagram of the simulation downburst that provides of the utility model embodiment;
In figure: 1, fair water fin; 2, baffle plate; 3, roughness element; 4, angle bar.
Embodiment
For further understanding summary of the invention of the present utility model, Characteristic, hereby exemplify following examples, and coordinate accompanying drawing to be described in detail as follows:
Refer to Fig. 1:
As shown in Figure 1, the device of the simulation downburst of the utility model embodiment is mainly comprised of fair water fin 1, baffle plate 2, roughness element 3, angle bar 4;
Fair water fin 1 be arranged on angle bar 4 above, the lower end of baffle plate 2 be arranged on right-hand corner 4 iron above, the upper end of baffle plate 2 is arranged on the right-hand member of fair water fin 1, roughness element 3 is arranged on top and the left and right inferior horn of left and right sides angle bar 4, angle bar 4 is arranged on the below of device.
The utility model can also adopt following technical measures:
Fair water fin 1 adopts Height Adjustable fair water fin, under plate, along level altitude adjustable extent, be 0.6m～1.1m, upper is 1.0m～1.7m along level altitude adjustable extent, and the adjustment by level altitude can realize the simulation to different proportion flow field, thereby improves the range of application of device; Angle bar 4 is set to irregular angle bar, and the vertical angular separation of side is 0.7m, is conducive to play the effect of protection and supporting guide plate 1 and baffle plate 2, thereby is conducive to improve the job stability of device; Baffle plate 2 is set to vertical position adjustable baffle plate, is conducive to coordinate fair water fin 1 to realize the experimental simulation of differing heights, thereby improves the degree of accuracy of the result of device.
The above is only to preferred embodiment of the present utility model, not the utility model is done to any pro forma restriction, every foundation technical spirit of the present utility model is to any simple modification made for any of the above embodiments, equivalent variations and modification, all belong in the scope of technical solutions of the utility model.
Claims (5)
1. a device of simulating downburst, is characterized in that, the device of this simulation downburst comprises: fair water fin, baffle plate, roughness element, angle bar;
Fair water fin be arranged on angle bar above, the lower end of baffle plate be arranged on right side angle bar above, the upper end of baffle plate is arranged on the right-hand member of fair water fin, roughness element is arranged on top and the left and right inferior horn of left and right sides angle bar, angle bar is arranged on the below of device.
2. the device of simulation downburst as claimed in claim 1, is characterized in that, fair water fin adopts Height Adjustable fair water fin.
3. the device of simulation downburst as claimed in claim 2, is characterized in that, under fair water fin, along level altitude adjustable extent, is 0.6m～1.1m, and upper is 1.0m～1.7m along level altitude adjustable extent.
4. the device of simulation downburst as claimed in claim 1, is characterized in that, angle bar is set to the irregular that the vertical angular separation of side is 0.7m.
5. the device of simulation downburst as claimed in claim 1, is characterized in that, is set to the adjustable baffle plate of vertical position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320660704.2U CN203502197U (en) | 2013-10-25 | 2013-10-25 | Device for simulating downburst |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320660704.2U CN203502197U (en) | 2013-10-25 | 2013-10-25 | Device for simulating downburst |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203502197U true CN203502197U (en) | 2014-03-26 |
Family
ID=50333168
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320660704.2U Expired - Fee Related CN203502197U (en) | 2013-10-25 | 2013-10-25 | Device for simulating downburst |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203502197U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106885678A (en) * | 2017-03-30 | 2017-06-23 | 华南理工大学 | A kind of flow tunnel testing device for simulating thunderstorm downburst |
| CN109238621A (en) * | 2018-08-16 | 2019-01-18 | 中国航天空气动力技术研究院 | A kind of towed decoy kicks down poor appraisal procedure |
| CN110044580A (en) * | 2019-05-23 | 2019-07-23 | 重庆大学 | The physical simulating method and device that wave is coupled with mobile downburst |
| CN112033631A (en) * | 2020-08-31 | 2020-12-04 | 湖南大学 | Downburst storm flow field simulation test device and method based on boundary layer 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 |
-
2013
- 2013-10-25 CN CN201320660704.2U patent/CN203502197U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106885678A (en) * | 2017-03-30 | 2017-06-23 | 华南理工大学 | A kind of flow tunnel testing device for simulating thunderstorm downburst |
| CN109238621A (en) * | 2018-08-16 | 2019-01-18 | 中国航天空气动力技术研究院 | A kind of towed decoy kicks down poor appraisal procedure |
| CN110044580A (en) * | 2019-05-23 | 2019-07-23 | 重庆大学 | The physical simulating method and device that wave is coupled with mobile downburst |
| CN110044580B (en) * | 2019-05-23 | 2024-05-24 | 重庆大学 | Physical simulation method and device for coupling wave and movable downward storm |
| CN112033631A (en) * | 2020-08-31 | 2020-12-04 | 湖南大学 | Downburst storm flow field simulation test device and method based on boundary layer 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 |
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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: 20140326 Termination date: 20141025 |
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| EXPY | Termination of patent right or utility model |