CN107782522A - A kind of more swirl ratio equipment for simulating tornado - Google Patents
A kind of more swirl ratio equipment for simulating tornado Download PDFInfo
- Publication number
- CN107782522A CN107782522A CN201710807142.2A CN201710807142A CN107782522A CN 107782522 A CN107782522 A CN 107782522A CN 201710807142 A CN201710807142 A CN 201710807142A CN 107782522 A CN107782522 A CN 107782522A
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- China
- Prior art keywords
- rotation
- deflector
- angle
- swirl ratio
- analogue means
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Classifications
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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
-
- 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
- G01M9/08—Aerodynamic models
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- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Air-Flow Control Members (AREA)
- Instructional Devices (AREA)
- Cyclones (AREA)
Abstract
The invention belongs to wind field field, and in particular to a kind of more swirl ratio equipment for simulating tornado.A kind of more swirl ratio equipment for simulating tornado, comprising analogue means body, deflector is provided with the analogue means body, is additionally provided with the analogue means body for adjusting the deflector angle so as to change the angle-adjusting mechanism of swirl ratio.The beneficial effects of the invention are as follows：The present invention adjusts the angle-adjusting mechanism of deflector angle by being set in analogue means body, changes air-flow into the velocity attitude in plexiglass tent by angle-adjusting mechanism, so as to change the swirl ratio of cyclone.Angle-adjusting mechanism, which rotates, drives deflector to turn together, avoids individually numerous and diverse step of regulation deflector and reduces the error of manual adjustment.The wind speed of exhaust fan can be measured, and is provided with angle index in arc groove, can read inflow angle, the area's height that becomes a mandarin it is also known that, so as to calculate swirl ratio, while it also avoid replacing deflector and base.
Description
Technical field
The invention belongs to wind field field, and in particular to a kind of more swirl ratio equipment for simulating tornado.
Background technology
Disaster caused by a windstorm caused by cyclone is a kind of form more serious in charming appearance and behaviour disaster form, has sudden strong, destruction
The features such as power is surprising, also often with hail, lightning, heavy showers etc., considerable damage and great personnel are caused to hinder to building structure
Die, be one of important strick precaution object of wind resistance mitigation engineering.Because cyclone generally occurs in opening, its chief destructive pair
As if low rise buildings, therefore the anti-cyclone research of low rise buildings has great importance.Existing equipment for simulating tornado is only
The cyclone of single swirl ratio can be simulated, studying the cyclone of other swirl ratios if desired just needs to change deflector and bottom
Seat, it is very cumbersome.
The content of the invention
In order to solve the above problems, it is an object of the invention to provide a kind of more swirl ratio equipment for simulating tornado, Ke Yitong
The angle of deflector is overregulated to simulate the cyclone of different swirl ratios.
The invention provides following technical scheme：
A kind of more swirl ratio equipment for simulating tornado, it is provided with and leads comprising analogue means body, in the analogue means body
Flowing plate, it is additionally provided with for adjusting the deflector angle so as to change the angle adjustment machine of swirl ratio in the analogue means body
Structure.
Preferably, the angle-adjusting mechanism includes the rotation garter spring that can be rotated along Pivot Point Center, and the deflector is remote
One end from rotation garter spring axle center is rotatably connected with analogue means body, the deflector be also connected with rotation garter spring so that
Rotation by rotating garter spring drives the change of deflector angle.
Preferably, the rotation garter spring ring wall is provided with first through hole, and the second through hole, institute are additionally provided with the rotation garter spring
State deflector along its length on end face be provided with chute, the deflector passes through first through hole, and the connection member is through the
Two through holes are formed with chute and are slidably matched.
Preferably, the analogue means body also includes base, and the base includes circumferential base wall, bottom plate and centre
For hollow upper cover plate, the base wall is provided with third through-hole, the adjustable air-supply of wind speed is provided with the third through-hole
Fan, the one end of the deflector away from rotation garter spring axle center are rotatablely connected by rotating shaft and the blowing fan.
Preferably, the bottom plate is provided with rolling bearing, and the rotation garter spring is rotatably connected with the rolling bearing.
Preferably, the angle-adjusting mechanism also includes rotation tuning knob, and the upper cover plate, which is provided with, to be used to limit the rotation
The arc groove of modulation button adjusting adjusting range, the curvature of the arc groove is consistent with the curvature of the rotation garter spring, the rotation
Tuning knob is connected through arc groove with rotation garter spring, and the arc groove is provided with angle index, and the rotation tuning knob is provided with
When arriving specified angle for rotating tuning knob regulation, the fastening nut of tuning knob fixation will be rotated.
Preferably, the upper cover plate is additionally provided with the enclosed hood for accommodating the rotation tuning knob, arc groove and fastening nut, institute
State enclosed hood and be provided with the enclosed hood lid for being used for opening or closing the enclosed hood.
Preferably, the analogue means body also include BUILDINGS MODELS, house cushion cap and the driving BUILDINGS MODELS along
The transmission device of the bottom plate motion, the house cushion cap include cushion cap portion and supporting part, the BUILDINGS MODELS and cushion cap portion phase
Even, the supporting part is connected with transmission device.
Preferably, the bottom plate is provided with elongate holes, and the supporting part is out of described base through elongate holes with passing
Dynamic device is connected, and the actuator drives BUILDINGS MODELS moves along elongate holes, and the analogue means body also includes holding
Receive the bottom cover of transmission device, bottom cover sealing and be removably connected with base wall.
Preferably, the analogue means body also includes plexiglass tent, and ring plate lid is provided with the top of the plexiglass tent,
The ring plate is covered provided with air exhauster, and the plexiglass tent bottom is provided with iron hoop, and the iron hoop bottom is connected with upper cover plate, institute
State iron hoop and be provided with and be used to change BUILDINGS MODELS or place the drawing window of cake.
The beneficial effects of the invention are as follows：
1st, the present invention adjusts the angle-adjusting mechanism of deflector angle by being set in analogue means body, passes through angle
Adjustment mechanism changes the velocity attitude that air-flow enters in plexiglass tent, so as to change the swirl ratio of cyclone.Angle adjustment machine
Structure, which rotates, drives deflector to turn together, avoids individually numerous and diverse step of regulation deflector and reduces the error of manual adjustment.
The wind speed of exhaust fan can be measured, and be provided with angle index in arc groove, can read inflow angle, inflow angle is defined as two
The angle of deflector center line tangent line corresponding with the center line, become a mandarin the device interior zone that area is deflector altitude range,
The area's height that becomes a mandarin it is also known that, so as to calculate swirl ratio, while it also avoid changing deflector and base.
2nd, BUILDINGS MODELS is moved in base, and its speed is controlled by the transmission device of bottom, BUILDINGS MODELS bonding room
On room cushion cap, the supporting part of house cushion cap is welded on transmission device, is ensured that both speed are identical, is built after opening transmission device
Model can move horizontally along rail linearity uniform motion, equivalent simulation cyclone, and the movement velocity of BUILDINGS MODELS presses scaling factor
Example conversion is the movement velocity of cyclone, can arrange pressure sensor on BUILDINGS MODELS, can show building mould on computers
Type wind pressure data everywhere.
Brief description of the drawings
Fig. 1 is the sectional view of the present invention；
Fig. 2 is structural representation at Fig. 1 center bases；
Fig. 3 is front view of the present invention；
Fig. 4 is top view of the present invention；
Fig. 5 A are angle-adjusting mechanism structural representations one of the present invention
Fig. 5 B are angle-adjusting mechanism structural representations two of the present invention；
Fig. 6 is the structural scheme of mechanism at present invention rotation tuning knob；
Fig. 7 is transmission structures schematic diagram of the present invention.
The implication marked in accompanying drawing is as follows：
10- device body 11- deflector 111- chute 112- rotating shafts 121- rotates garter spring 1211- first through hole
The second through holes of 1212- 122- rotates tuning knob 1221- fastening nut 131- base wall 132- bottom plate 1321- rolling bearings
133- upper cover plate 1331- arc groove 1332- enclosed hood 1333- enclosed hood lid 14- blowing fan 151- cushion caps portion
Cover 18- plexiglass tent 181- ring plate lid 182- air exhauster 183- iron hoops in 152- supporting part 16- transmission device 17- bottoms
184- draws window
Embodiment
The present invention is illustrated with reference to specific embodiment.
A kind of more swirl ratio equipment for simulating tornado, it is provided with and leads comprising analogue means body 10, in analogue means body 10
Flowing plate 11, it is additionally provided with for adjusting the angle of deflector 11 so as to change the angle adjustment machine of swirl ratio in analogue means body 10
Structure.
Further optimizing above-described embodiment, angle-adjusting mechanism includes the rotation garter spring 121 that can be rotated along Pivot Point Center,
The one end of deflector 11 away from rotation garter spring 121 axle center is rotatably connected with analogue means body 10, deflector 11 also with rotation
Turn garter spring 121 to be connected so that the rotation by rotating garter spring 121 drives the change of the angle of deflector 11.
Further optimize above-described embodiment, the rotation ring wall of garter spring 121 is provided with first through hole 1211, rotates and also set on garter spring
Have the second through hole 1212, deflector 11 along its length on end face be provided with chute 111, deflector 11 passes through first through hole
1211, connection member is formed with chute 111 through the second through hole 1212 and is slidably matched, and connection member can be pin or connection spiral shell
Bolt etc..
Further optimize above-described embodiment, analogue means body 10 also includes base, and base includes circumferential base wall
131st, bottom plate 132 and centre are hollow upper cover plate 133, and base wall 131 is provided with third through-hole, wind is provided with third through-hole
The adjustable blowing fan 14 of speed, the one end of deflector 11 away from rotation garter spring 121 axle center pass through rotating shaft 112 and the blowing fan 14
Rotation connection.
Further optimize above-described embodiment, bottom plate 132 is provided with rolling bearing 1321, and the rotation garter spring 132 is rotatable
Be connected with the rolling bearing 1321.
Further optimize above-described embodiment, angle-adjusting mechanism also includes rotation tuning knob 122, and upper cover plate 133, which is provided with, to be used
In the arc groove 1331 of the limitation rotation adjustable range of tuning knob 122, the curvature and the curvature of rotation garter spring 121 of arc groove 1331
Unanimously, tuning knob 122 is rotated through arc groove 1331 with rotation garter spring 121 to be connected, arc groove 1331 is provided with angle index,
Rotation tuning knob 122, which is provided with, is used to rotate the regulation of tuning knob 122 when arrive specified angle, the fastening nut that rotation tuning knob 122 is fixed
1221。
Further optimize above-described embodiment, upper cover plate 133, which is additionally provided with, accommodates the rotation tuning knob 122, arc groove 1331
With the enclosed hood 1332 of fastening nut 1221, enclosed hood 1332 is provided with the enclosed hood lid for being used for opening or closing enclosed hood
1333, enclosed hood 1332 cooperates with enclosed hood lid 1333 and forms an entirety, realizes the sealing to arc groove 1331.
Further optimize above-described embodiment, analogue means body 10 is also built including BUILDINGS MODELS, house cushion cap 15 and driving
The transmission device 16 that model moves along bottom plate 132 is built, house cushion cap includes cushion cap portion 151 and supporting part 152, the building mould
Type is connected with cushion cap portion 151, and supporting part 152 is connected with transmission device 16, it is preferred that cushion cap portion 152 is arranged to tabular, building
Model is arranged in the plate face in cushion cap portion 151.
Further optimize above-described embodiment, bottom plate 132 is provided with elongate holes, and supporting part 152 passes through strip out of base
Shape hole is connected with transmission device 16, and transmission device 16 drives BUILDINGS MODELS to be moved along elongate holes, and analogue means body 10 is also
Bottom cover 17 including accommodating transmission device 16, bottom cover 17 are sealed and are removably connected with base wall 131.
Further optimize above-described embodiment, analogue means body 10 also includes plexiglass tent 18, and plexiglass tent 18 pushes up
Portion is provided with ring plate lid 181, and ring plate lid 181 is provided with air exhauster 182, and ring plate lid 181 is the cover plate set around air exhauster 182,
The bottom of plexiglass tent 181 is provided with iron hoop 183, and the bottom of iron hoop 183 is connected with upper cover plate 133, and iron hoop 183, which is provided with, to be used to change
BUILDINGS MODELS or the drawing window 184 for placing cake.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, although with reference to foregoing reality
Apply example the present invention is described in detail, for those skilled in the art, it still can be to foregoing each implementation
Technical scheme described in example is modified, or carries out equivalent substitution to which part technical characteristic.All essences in the present invention
God any modification, equivalent substitution and improvements made etc., should be included in the scope of the protection with principle.
Claims (10)
1. a kind of more swirl ratio equipment for simulating tornado, are included analogue means body (10), it is characterised in that the analogue means
Deflector (11) is provided with body (10), is additionally provided with the analogue means body (10) for adjusting the deflector (11) angle
Spend so as to change the angle-adjusting mechanism of swirl ratio.
A kind of 2. more swirl ratio equipment for simulating tornado according to claim 1, it is characterised in that the angle adjustment machine
Structure includes the rotation garter spring (121) that can be rotated along Pivot Point Center, and the deflector (11) is away from rotation garter spring (121) axle center
One end is rotatably connected with analogue means body (10), and the deflector (11) is also connected with rotation garter spring (121) so that logical
The rotation for crossing rotation garter spring (121) drives the change of deflector (11) angle.
A kind of 3. more swirl ratio equipment for simulating tornado according to claim 2, it is characterised in that the rotation garter spring
(121) ring wall is provided with first through hole (1211), and the second through hole (1212) is additionally provided with the rotation garter spring (121), described to lead
Flowing plate (11) along its length on end face be provided with chute (111), the deflector (11) passes through first through hole (1211), connection
Part is formed with chute (111) through the second through hole (1212) and is slidably matched.
A kind of 4. more swirl ratio equipment for simulating tornado according to claim 1, it is characterised in that the analogue means sheet
Body (10) also includes base, and it is hollow upper cover plate that the base, which includes circumferential base wall (131), bottom plate (132) and centre,
(133), the base wall (131) is provided with third through-hole, and the adjustable blowing fan of wind speed is provided with the third through-hole
(14), the one end of the deflector (11) away from rotation garter spring (121) axle center is turned by rotating shaft (112) and the blowing fan (14)
Dynamic connection.
A kind of 5. more swirl ratio equipment for simulating tornado according to claim 4, it is characterised in that the bottom plate (132)
Rolling bearing (1321) is provided with, the rotation garter spring (121) is rotatably connected with the rolling bearing (1321).
A kind of 6. more swirl ratio equipment for simulating tornado according to claim 5, it is characterised in that the angle adjustment machine
Structure also includes rotation tuning knob (122), and the upper cover plate (133), which is provided with, to be used to limit described rotation tuning knob (122) adjustable range
Arc groove (1331), the curvature of the arc groove (1331) with it is described rotation garter spring (121) curvature it is consistent, the rotation
Modulation button (122) is connected through arc groove (1331) with rotation garter spring (121), and the arc groove (1331) is provided with angle
Scale, will rotation tuning knob (122) when the rotation tuning knob (122) for rotating tuning knob (122) regulation provided with specified angle is arrived
Fixed fastening nut (1221).
A kind of 7. more swirl ratio equipment for simulating tornado according to claim 6, it is characterised in that the upper cover plate
(133) it is additionally provided with the enclosed hood for accommodating the rotation tuning knob (122), arc groove (1331) and fastening nut (1221)
(1332), the enclosed hood (1332) is provided with the enclosed hood lid for being used for opening or closing the enclosed hood (1332)
(1333)。
A kind of 8. more swirl ratio equipment for simulating tornado according to claim 4, it is characterised in that the analogue means sheet
Body (10) also includes the transmission that BUILDINGS MODELS, house cushion cap and the driving BUILDINGS MODELS move along the bottom plate (132) and filled
Put (16), the house cushion cap includes cushion cap portion (151) and supporting part (152), the BUILDINGS MODELS and cushion cap portion (151) phase
Even, the supporting part (152) is connected with transmission device (16).
A kind of 9. more swirl ratio equipment for simulating tornado according to claim 8, it is characterised in that the bottom plate (132)
Elongate holes are provided with, the supporting part (152) is connected out of described base through elongate holes with transmission device (16), described
Transmission device (16) driving BUILDINGS MODELS moves along elongate holes, and the analogue means body (10) also includes accommodating transmission dress
The bottom cover (17) of (16) is put, the bottom cover (17) seals and is removably connected with base wall (131).
A kind of 10. more swirl ratio equipment for simulating tornado according to claim 1, it is characterised in that the analogue means
Body (10) also includes plexiglass tent (18), and ring plate lid (181), the ring plate lid are provided with the top of the plexiglass tent (18)
(181) air exhauster (182) is provided with, plexiglass tent (18) bottom is provided with iron hoop (183), iron hoop (183) bottom
It is connected with upper cover plate (133), the iron hoop (183), which is provided with, to be used to change BUILDINGS MODELS or place the drawing window (184) of cake.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910463039.XA CN110220664A (en) | 2017-09-08 | 2017-09-08 | A kind of device of the mobile cyclone of analog equivalent |
| CN201710807142.2A CN107782522B (en) | 2017-09-08 | 2017-09-08 | A kind of more swirl ratio equipment for simulating tornado |
| CN201910463773.6A CN110361154B (en) | 2017-09-08 | 2017-09-08 | Tornado simulation device for linkage adjustment of vortex ratio |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710807142.2A CN107782522B (en) | 2017-09-08 | 2017-09-08 | A kind of more swirl ratio equipment for simulating tornado |
Related Child Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910463773.6A Division CN110361154B (en) | 2017-09-08 | 2017-09-08 | Tornado simulation device for linkage adjustment of vortex ratio |
| CN201910463039.XA Division CN110220664A (en) | 2017-09-08 | 2017-09-08 | A kind of device of the mobile cyclone of analog equivalent |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107782522A true CN107782522A (en) | 2018-03-09 |
| CN107782522B CN107782522B (en) | 2019-07-09 |
Family
ID=61438030
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710807142.2A Active CN107782522B (en) | 2017-09-08 | 2017-09-08 | A kind of more swirl ratio equipment for simulating tornado |
| CN201910463773.6A Active CN110361154B (en) | 2017-09-08 | 2017-09-08 | Tornado simulation device for linkage adjustment of vortex ratio |
| CN201910463039.XA Pending CN110220664A (en) | 2017-09-08 | 2017-09-08 | A kind of device of the mobile cyclone of analog equivalent |
Family Applications After (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910463773.6A Active CN110361154B (en) | 2017-09-08 | 2017-09-08 | Tornado simulation device for linkage adjustment of vortex ratio |
| CN201910463039.XA Pending CN110220664A (en) | 2017-09-08 | 2017-09-08 | A kind of device of the mobile cyclone of analog equivalent |
Country Status (1)
| Country | Link |
|---|---|
| CN (3) | CN107782522B (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108254151A (en) * | 2018-03-16 | 2018-07-06 | 国网福建省电力有限公司 | A kind of multi-fan active control cyclone wind-tunnel |
| CN108627314A (en) * | 2018-04-28 | 2018-10-09 | 曾远卓 | A kind of cyclone generator of simulation cyclone travel path |
| CN110006623A (en) * | 2019-05-23 | 2019-07-12 | 重庆大学 | The two-in-one simulator of cyclone, downburst and its analogy method |
| CN110006622A (en) * | 2019-05-23 | 2019-07-12 | 重庆大学 | The physical simulating method and device that wave is coupled with mobile cyclone |
| CN110044572A (en) * | 2019-05-23 | 2019-07-23 | 重庆大学 | Tornado simulator horizontally moving device |
| CN110082058A (en) * | 2019-04-22 | 2019-08-02 | 南京航空航天大学 | A kind of multi-fan array wind-tunnel that simulating a variety of extreme wind fields and simulation of wind method |
| CN111855128A (en) * | 2019-09-23 | 2020-10-30 | 东南大学 | Tornado simulator |
| CN113465957A (en) * | 2021-05-17 | 2021-10-01 | 中国人民解放军第六九O五工厂 | Antenna lift mast wind-resistant simulation test system |
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| CN111855137B (en) * | 2019-11-13 | 2022-04-05 | 东南大学 | Many whirlwind whirlpools wind generating device of core radius adjustable |
| CN111238758B (en) * | 2020-03-06 | 2021-10-12 | 东南大学 | Bidirectional movement tornado simulator |
| CN113740027B (en) * | 2021-09-22 | 2023-09-22 | 盐城工学院 | Strong wind speed tornado generating device |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108254151A (en) * | 2018-03-16 | 2018-07-06 | 国网福建省电力有限公司 | A kind of multi-fan active control cyclone wind-tunnel |
| CN108627314A (en) * | 2018-04-28 | 2018-10-09 | 曾远卓 | A kind of cyclone generator of simulation cyclone travel path |
| CN108627314B (en) * | 2018-04-28 | 2020-03-27 | 曾远卓 | Cyclone generator simulating tornado traveling path |
| CN110082058A (en) * | 2019-04-22 | 2019-08-02 | 南京航空航天大学 | A kind of multi-fan array wind-tunnel that simulating a variety of extreme wind fields and simulation of wind method |
| CN110082058B (en) * | 2019-04-22 | 2023-12-15 | 南京航空航天大学 | Multi-fan array wind tunnel for simulating multiple extreme wind fields and wind field simulation method |
| CN110006622A (en) * | 2019-05-23 | 2019-07-12 | 重庆大学 | The physical simulating method and device that wave is coupled with mobile cyclone |
| CN110044572A (en) * | 2019-05-23 | 2019-07-23 | 重庆大学 | Tornado simulator horizontally moving device |
| CN110044572B (en) * | 2019-05-23 | 2023-11-17 | 重庆大学 | Horizontal moving device of tornado simulator |
| CN110006623A (en) * | 2019-05-23 | 2019-07-12 | 重庆大学 | The two-in-one simulator of cyclone, downburst and its analogy method |
| CN110006623B (en) * | 2019-05-23 | 2024-02-02 | 重庆大学 | Tornado and downburst two-in-one simulation device and simulation method thereof |
| CN110006622B (en) * | 2019-05-23 | 2024-05-14 | 重庆大学 | Physical simulation method and device for coupling wave and mobile tornado |
| CN111855128A (en) * | 2019-09-23 | 2020-10-30 | 东南大学 | Tornado simulator |
| CN113465957A (en) * | 2021-05-17 | 2021-10-01 | 中国人民解放军第六九O五工厂 | Antenna lift mast wind-resistant simulation test system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110361154A (en) | 2019-10-22 |
| CN107782522B (en) | 2019-07-09 |
| CN110361154B (en) | 2021-08-20 |
| CN110220664A (en) | 2019-09-10 |
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