CN207050946U - A kind of wind-tunnel rough element apparatus for being easily installed dismounting - Google Patents

A kind of wind-tunnel rough element apparatus for being easily installed dismounting Download PDF

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Publication number
CN207050946U
CN207050946U CN201720366283.0U CN201720366283U CN207050946U CN 207050946 U CN207050946 U CN 207050946U CN 201720366283 U CN201720366283 U CN 201720366283U CN 207050946 U CN207050946 U CN 207050946U
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China
Prior art keywords
groove
projection
iii
roughness
wind
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Expired - Fee Related
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CN201720366283.0U
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Chinese (zh)
Inventor
姚刚
杨阳
魏伏佳
魏银银
李杭
向成明
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Chongqing University
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Chongqing University
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Priority to CN201720366283.0U priority Critical patent/CN207050946U/en
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Abstract

Utility model provides a kind of wind-tunnel rough element apparatus for being easily installed dismounting.The device includes the substrate for being laid on test chamber bottom, and several roughness elements.The upper surface of the substrate has several projections I.The roughness element generally cuboid.The upper surface of each roughness element has projection II, and lower surface has groove I, and each side sequentially sets projection III and groove II in turn.During experiment, realize that the space three-dimensional of roughness element is assembled be combineding with each other for groove III by projection I and groove I, projection II and groove I, projection III and groove II and/or projection VI.The apparatus structure is simple, easy to process, utilizes height.The assembling and disassembling of roughness element is convenient and swift, improves the effective storage life of wind tunnel test.

Description

A kind of wind-tunnel rough element apparatus for being easily installed dismounting
Technical field
Wind tunnel test field is the utility model is related to, more particularly to a kind of wind-tunnel rough element apparatus.
Background technology
For effect of the accurate perception wind to structure, generally require and different landforms and different scaling factors are carried out in wind-tunnel wind field Wind tunnel test.By changing putting position, quantity and the size of roughness element, the atmospheric boundary of different landforms can be effectively simulated Layer.
In the prior art frequently with the method that block roughness element is adhered to wind-tunnel bottom.This method manufacturing process is easy, Roughness of ground surface can effectively be simulated.However, remake when roughness of ground surface changes, it is necessary to by roughness element all dismountings, it is whole Individual process takes time and effort.When wind tunnel test ratio changes, roughness element can not be reused, and utilization rate is extremely low.Rotary-out type Rough element apparatus greatly reduces the workload of installation roughness element.But the wind-tunnel got well and begun to use for installation and debugging, Need to rearrange circuit, redesign the space of roughness element in wind-tunnel bottom, its transformation process is cumbersome, and transformation difficulty is big.
Utility model content
The purpose of this utility model is to provide a kind of rough element apparatus for being easily installed and dismantling, to solve in the prior art The problems such as roughness element utilization rate is low, installation workload is big and the wind-tunnel transformation process that come into operation is cumbersome.
For realize technical scheme that the utility model purpose uses be it is such, it is a kind of be easily installed dismounting wind-tunnel it is thick Rough element apparatus, including the substrate of test chamber bottom is laid on, and several roughness elements.
The upper surface of the substrate has several projections I.
The roughness element generally cuboid.The upper surface of each roughness element has several projections II, and lower surface has The groove I of respective numbers, each side sequentially set several projections III, projection VI, groove II and groove III.
During experiment, pass through projection I and groove I, projection II and groove I, projection III and groove II and/or projection VI and groove III be combined with each other realizes that the space three-dimensional of roughness element is assembled.
Further, described raised I, projection II, groove I, projection III, projection VI, groove II, groove III are cylindric.
Further, the roughness element uses timber, aluminium or stainless steel material.
It is of the present utility model have the technical effect that it is unquestionable:
1) simple in construction, easy to process, roughness element is repeatable to be utilized;
2) without additionally arranging that circuit and accommodation space, cost are cheap;
3) roughness element assembling and disassembling is convenient and swift, improves the effective storage life of wind tunnel test;
4) it is simple and easy to do when transforming the wind-tunnel to have come into operation, take few.
Brief description of the drawings
Fig. 1 is apparatus structure schematic diagram;
Fig. 2 is substrate schematic diagram in embodiment 1;
Fig. 3 is roughness element structural representation in embodiment 1;
Fig. 4 is roughness element upward view in embodiment 1;
Fig. 5 is roughness element structural representation in embodiment 2;
Fig. 6 is substrate schematic diagram in embodiment 3;
Fig. 7 is roughness element structural representation in embodiment 3.
In figure:Substrate 1, projection I 101, roughness element 2, projection II 201, groove I 202, projection III 203, projection VI 204, it is recessed Groove II 205, groove III 206.
Embodiment
With reference to embodiment, the utility model is described in further detail, but should not be construed the above-mentioned master of the utility model Topic scope is only limitted to following embodiments.It is common according to this area in the case where not departing from the above-mentioned technological thought of the utility model Technological know-how and customary means, various replacements and change are made, all should be included in the scope of protection of the utility model.
Embodiment 1:
The present embodiment discloses a kind of wind-tunnel rough element apparatus for being easily installed dismounting, including is laid on test chamber bottom Substrate 1, and 8 roughness elements 2.
Referring to Fig. 1 and Fig. 2, the upper surface of the substrate 1 has 48 projections I 101.Described raised 101 is arranged in arrays, It is divided into 6 row, its column direction and wind-tunnel diameter parallel.Spacing between each raised 101 is by tunnel size, wind speed range and experiment pair As etc. factor determine.
Referring to Fig. 3 and Fig. 4, the roughness element 2 generally cuboid.The roughness element 2 uses timber.Each roughness element 2 Upper surface there is projection II 201, lower surface has a groove I 202, and each side sequentially sets projection III 203, projection VI 204, recessed Groove II 205 and groove III 206.
During experiment, according to test requirements document to the spacing between roughness element, the height of roughness element and pilot region roughness element It is laid out into line translation, so as to change the roughness of ground surface in wind-tunnel.Can forms all kinds of simulation of atmospheric boundary layer in wind-tunnel Air-flow.In the present embodiment, 8 space three-dimensionals of roughness element 2 are bolted together.Referring to Fig. 1,8 roughness elements 2 are divided for 2 layers.It is logical Projection I 101 is crossed to insert and be fitted to the roughness element 2 for making lower floor in groove I 202 and substrate 1 be combined with each other.Upper strata roughness element 2 is logical Projection II 201 is crossed to be combined with each other with groove I 202.Enable the firm connection in the longitudinal direction of roughness element 2.It is adjacent in same layer roughness element 2 Roughness element 2 is be combined with each other by projection III 203 and groove II 205 and/or projection VI 204 with groove III 206.
What deserves to be explained is in the present embodiment, described raised I 101, projection II 201, groove I 202, projection III 203, convex It is cylindric to play VI 204, groove II 205, groove III 206, and avoiding assembling interlocking, too closely, easily group hardly possible tears the hair of situation open It is raw, avoid the problem of brute-force assembling and dismantling cause 2 structural failure of roughness element.
Embodiment 2:
The present embodiment discloses a kind of wind-tunnel rough element apparatus for being easily installed dismounting, including is laid on test chamber bottom Substrate 1, and 18 roughness elements 2.
The upper surface of the substrate 1 has 72 projections I 101.
Referring to Fig. 5, the roughness element 2 generally cuboid.The roughness element 2 uses aluminium.The upper table of each roughness element 2 Face has 4 projections II 201, and lower surface has 4 groove Is 202, and each side sequentially sets 2 projections, III 203,4 projections VI 204,2 groove IIs 205 and 4 grooves III 206.I.e. in 4 sides of roughness element 2, relative two one, faces have convex Rise, one has groove, and quantity is corresponding.In the present embodiment, described raised I 101, projection II 201, groove I 202, projection III 203rd, projection VI 204, groove II 205, groove III 206 are cylindric.
During experiment, roughness element 2 passes through projection II 201 and groove I 202, projection III 203 and groove II 205 and/or projection VI 204 realize that the space three-dimensional of roughness element 2 is assembled be combineding with each other for groove III 206, are assemblied into 3 groups altogether.3 groups of roughness elements 2 pass through The chimeric accumulation of the groove I 202 and projection I 101 of lowermost layer roughness element 2 is on substrate 1.
Embodiment 3:
The present embodiment discloses a kind of wind-tunnel rough element apparatus for being easily installed dismounting, including is laid on test chamber bottom Substrate 1, and 8 roughness elements 2.
Referring to Fig. 6, the upper surface of the substrate 1 has 32 projections I 101.Described raised 101 is arranged in arrays, is divided into 8 row, each row 4, its column direction and wind-tunnel diameter parallel.Spacing between each raised 101 by tunnel size, wind speed range and The factors such as experimental subjects determine.
Referring to Fig. 7, the roughness element 2 generally cuboid.The roughness element 2 uses stainless steel material.Each roughness element 2 Upper surface there are 3 projections II 201, lower surface has 3 groove Is 202, and each side sequentially sets projection III 203, raised VI 204, groove II 205 and groove III 206.Described raised II 201, projection III 203, projection VI 204, groove II 205, groove III 206 be cylindric.Described raised II 201 and groove I 202 be cuboid.Wherein, projection I 101, groove I 202 and convex Play II 201 size to match, projection III 203 matches with the size of groove II 205, projection VI 204 and groove III 206 Size matches.
The distribution map of roughness element 2 is designed according to test requirements document.During experiment, pass through projection I 101 and groove I 202, projection II 201 with groove I 202, projection III 203 and groove II 205 and/or projection VI 204 and the realization that be combined with each other of groove III 206 The space three-dimensional of roughness element 2 is assembled.

Claims (3)

1. a kind of wind-tunnel rough element apparatus for being easily installed dismounting, it is characterised in that including being laid on test chamber bottom Substrate (1), and several roughness elements (2);
The upper surface of the substrate (1) has several projections I (101);
The roughness element (2) generally cuboid;The upper surface of each roughness element (2) has several projections II (201), following table Face has the groove I (202) of respective numbers, and each side sequentially sets several projections III (203), raised VI (204), groove II And groove III (206) (205);
During experiment, by raised I (101) and groove I (202), raised II (201) and groove I (202), III (203) of projection with it is recessed Groove II (205) or raised VI (204) realize that the space three-dimensional of roughness element (2) is assembled be combineding with each other for groove III (206).
A kind of 2. wind-tunnel rough element apparatus for being easily installed dismounting according to claim 1, it is characterised in that:The projection I (101), raised II (201), groove I (202), raised III (203), raised VI (204), groove II (205), groove III (206) It is cylindric.
A kind of 3. wind-tunnel rough element apparatus for being easily installed dismounting according to claim 1 or 2, it is characterised in that:It is described Roughness element (2) uses timber, aluminium or stainless steel material.
CN201720366283.0U 2017-04-10 2017-04-10 A kind of wind-tunnel rough element apparatus for being easily installed dismounting Expired - Fee Related CN207050946U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720366283.0U CN207050946U (en) 2017-04-10 2017-04-10 A kind of wind-tunnel rough element apparatus for being easily installed dismounting

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720366283.0U CN207050946U (en) 2017-04-10 2017-04-10 A kind of wind-tunnel rough element apparatus for being easily installed dismounting

Publications (1)

Publication Number Publication Date
CN207050946U true CN207050946U (en) 2018-02-27

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Application Number Title Priority Date Filing Date
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Granted publication date: 20180227

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