CN204882029U - Large scale and high turbulent wind field arrangement structure - Google Patents
Large scale and high turbulent wind field arrangement structure Download PDFInfo
- Publication number
- CN204882029U CN204882029U CN201520592367.7U CN201520592367U CN204882029U CN 204882029 U CN204882029 U CN 204882029U CN 201520592367 U CN201520592367 U CN 201520592367U CN 204882029 U CN204882029 U CN 204882029U
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- wedge
- plate
- roughness element
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- wind field
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Abstract
The utility model discloses a large scale and high turbulent wind field arrangement structure. It includes the vertical wedge of evenly arranging in hole body ground lateral separation of several, link firmly a sawtooth baffle in the bottom of wedge, linked firmly another transverse baffle on the well upper portion of wedge, be equipped with the coarse unit of several rows between the carousel of wedge and test chamber, coarse unit is three kinds of not squares of equidimension, and the coarse unit that carries out size, rare close difference according to test requirement arranges the transform, be provided with three -dimensional pulsation anemoscope in the perpendicular top in carousel center, three -dimensional pulsation anemoscope is fixed on the horizontal pole of lift appearance, the liftoff 10cm of probe of three -dimensional pulsation anemoscope, and just to the incoming flow direction, one side edge at the hole body is arranged to the lift appearance, three -dimensional pulsation anemoscope is connected with data acquisition system. The utility model discloses but reuse with low costs, the convenient storage, and install simple structure, convenient preparation, experimental effect is better, and the turbulence scale that obtains is up to more than 40%.
Description
Technical field
The utility model belongs to technical field of civil engineering, be specifically related to a kind of atmospheric boundary layer wind field debugging being mainly used in carrying out under the structures such as owned building, structures and Loads of Long-span Bridges carry out the prerequisite situation of wind tunnel test, by changing the various combination mode of the passive devices such as wedge, roughness element, baffle plate, the arrangement of vast scale needed for buildings and high turbulent flow wind field can be obtained.
Background technology
The wind field of vast scale, high turbulent flow is that a class specifies according to China " loading code for design of building structures " (GB50009-2012), utilizes principle of similarity, debugs the wind field similar to real atmosphere boundary layer.Debugging wind field is the preliminary preparation of wind tunnel test, the wind field difficulty of debugging vast scale, high turbulent flow is large, spended time is many, so preferentially debugged wind field effectively can utilize wind-tunnel, shorten experimental period, cost-saving, can meet the landforms of the required vast scale such as owned building, structures and Loads of Long-span Bridges, high turbulent flow, the wind field therefore studying vast scale and high turbulent flow arranges to have the important and meaning of reality.
Summary of the invention
The arrangement of the wedge of the purpose of this utility model be to provide one can obtain meeting mean velocity profile that China " loading code for design of building structures " (GB50009-2012) specify and the vast scale of turbulivity section, high turbulent flow, roughness element, baffle plate, i.e. the wind field arrangement of a kind of vast scale and high turbulent flow.
The purpose of this utility model realizes by the following technical solutions: the wind field arrangement of this vast scale and high turbulent flow, the several vertical wedge that the lateral separation, body ground, hole that it comprises distance test chamber rotating disk 4.5m place is evenly arranged, bottom wedge, steel plate is connected with wind-tunnel ground by bolt; Be fixed with one piece of sawtooth baffle plate in the bottom of wedge by thin wire, be fixed with another block transverse baffle in the middle and upper part of wedge by thin wire; Between wedge and the rotating disk of test chamber, be provided with number row roughness element, described roughness element is the square of three kinds of different sizes, and carry out size according to testing requirements, rare close different roughness element arranges conversion, in the position close to rotating disk, roughness element is arranged closeer; Center of turntable vertical direction is provided with three-dimensional fluctuating wind speed instrument, and three-dimensional fluctuating wind speed instrument is fixed on the cross bar of lifting instrument, the liftoff 10cm of probe of three-dimensional fluctuating wind speed instrument, and just to carrying out flow path direction, lifting instrument is arranged on a side of hole body; Described three-dimensional fluctuating wind speed instrument is connected with data acquisition system (DAS).
Concrete, described wedge quantity is 5, and described roughness element is furnished with 23 rows.
Concrete, described roughness element is the square wooden unit of one piece of surfacing, is embedded with one piece of cylinder-shaped magnet bottom wooden unit.
Concrete, described wedge comprises plate, dividing plate, base plate and push rod windward; Plate is isosceles triangle windward, and plate and divider upright are arranged on base plate in base plate windward, and divider upright is in plate windward and be positioned at windward on plate center line; The upper end of dividing plate is provided with push rod, and the upper end of push rod is provided with sleeve, and sleeve and push rod are spirally connected; Described base plate is provided with multiple through hole.
The utility model utilizes triangle wedge to simulate mean velocity profile, and increase wedge bottom width and increase bottom turbulent flow, transverse baffle can increase middle and upper part turbulivity, and sawtooth baffle plate can increase whole turbulivity section, particularly bottom turbulent flow; The size of roughness element becomes large and encryption layout can increase turbulivity section, is encrypted can increases near surface turbulence degree to the roughness element near rotating disk place.The utility model is under the prerequisite of substantially passive combination unit only utilizing wedge, roughness element, baffle plate, what realize that the test mean velocity profile of gained and turbulivity section and China " loading code for design of building structures " (GB50009-2012) specify matches, and turbulivity reaches 40% the above object, practicality of the present utility model can be realized and save experimental cost, the feature of time.
As known from the above, the utility model is a kind of based on the substantially passive combination unit of wedge, roughness element, baffle plate, the mean velocity profile specified according to China " loading code for design of building structures " (GB50009-2012) and turbulivity section, debugging wind field, and obtain the turbulivity up to more than 40%.The utility model uses and has the following advantages:
(1) test unit of the present utility model is said on the whole, and cost is low, can reuse, conveniently store, and apparatus structure is simple, convenient makes, and test effect is better.
(2) turbulivity that obtains of the utility model is up to more than 40%, can obtain the wind field of vast scale, high turbulence preferably.
Accompanying drawing explanation
Fig. 1 is the one-piece construction schematic diagram of the utility model embodiment.
Fig. 2 is the structural representation of roughness element in Fig. 1.
Fig. 3 is the structural representation of wedge in Fig. 1.
Fig. 4 is the structural representation of sawtooth baffle plate in Fig. 1.
Fig. 5 is the structural representation of transverse baffle in Fig. 1.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail.
See Fig. 1,5 vertical wedges 2 that the lateral separation, body ground, hole that it is 4.5m place that the present embodiment comprises apart from test chamber rotating disk 1 is evenly arranged, bottom wedge 2, steel plate is connected with wind-tunnel ground by bolt; The mean velocity profile of A, B, C, D class landforms that wedge 2 accurate simulation China " loading code for design of building structures " (GB50009-2012) specifies.Be fixed with sawtooth baffle plate 3 in the bottom of wedge 2 by thin wire, be fixed with transverse baffle 4 in the middle and upper part of wedge 2 by thin wire; At distance wedge 2 for arranging first row roughness element 5 in 60cm place, roughness element 5 alternative arrangement, arrange 23 rows altogether, roughness element 5 is the square of three kinds of different sizes, carry out size according to testing requirements, rare close different roughness element arranges conversion, as can be seen from Fig. 1, close to rotating disk 1 place, roughness element 5 is being encrypted.Three-dimensional fluctuating wind speed instrument (not shown in FIG.) is provided with above rotating disk 1 central vertical, three-dimensional fluctuating wind speed instrument is fixed on the cross bar (not shown in FIG.) of lifting instrument (not shown in FIG.), the liftoff 10cm of probe of three-dimensional fluctuating wind speed instrument, just to carrying out flow path direction, lifting instrument is being arranged on a side of hole body; Three-dimensional fluctuating wind speed instrument is connected with data acquisition system (DAS).Pass to the vertical equidistant height of data acquisition system (DAS) to wind-tunnel rotating disk 1 center by three-dimensional fluctuating wind speed instrument (to be elevated by lifting instrument, three-dimensional fluctuating wind speed instrument probe distance ground 10cm, rise once every 10cm, be raised to 100cm) carry out Real-time Collection.Three-dimensional fluctuating wind speed instrument, lifting instrument are prior art, are not described in detail in this.
See Fig. 2, roughness element 5 comprises the square wooden unit 51 of one piece of surfacing, is embedded with one piece of cylinder-shaped magnet 52 bottom wooden unit 51, magnet 52 and wooden unit 51 bonding reliably.The roughness element 5 of the present embodiment adopts another patent of the utility model applicant, is not described in detail in this.
See Fig. 3, wedge 2 comprises plate 21, dividing plate 22, base plate 23 and push rod 24 windward; As can be seen from Fig. 3, plate 21 is in isosceles triangle windward, and plate 21 and dividing plate 22 are arranged on base plate 23 perpendicular to base plate 23 windward, and dividing plate 22 is perpendicular to plate 21 windward and be positioned on the center line of plate 21 windward; The upper end of dividing plate 22 is provided with push rod 24, and the upper end of push rod 24 is provided with sleeve (not shown in FIG.), and sleeve and push rod 24 are spirally connected; Base plate 23 is provided with multiple through hole 25, for mounting screw.The wedge 2 of the present embodiment adopts another patent of the utility model applicant, is not described in detail in this.
See Fig. 4, Fig. 5, be the structural representation of sawtooth baffle plate 3 in Fig. 1, transverse baffle 4 respectively.As seen from the figure, sawtooth baffle plate 3 is serrate, and transverse baffle 4 is rectangles.
Claims (4)
1. a wind field arrangement for vast scale and high turbulent flow, is characterized in that: the several vertical wedge that the lateral separation, body ground, hole that it comprises distance test chamber rotating disk 4.5m place is evenly arranged, and bottom wedge, steel plate is connected with wind-tunnel ground by bolt; Be fixed with one piece of sawtooth baffle plate in the bottom of wedge by thin wire, be fixed with another block transverse baffle in the middle and upper part of wedge by thin wire; Between wedge and the rotating disk of test chamber, be provided with number row roughness element, described roughness element is the square of three kinds of different sizes, and carry out size according to testing requirements, rare close different roughness element arranges conversion, in the position close to rotating disk, roughness element is arranged closeer; Center of turntable vertical direction is provided with three-dimensional fluctuating wind speed instrument, and three-dimensional fluctuating wind speed instrument is fixed on the cross bar of lifting instrument, the liftoff 10cm of probe of three-dimensional fluctuating wind speed instrument, and just to carrying out flow path direction, lifting instrument is arranged on a side of hole body; Described three-dimensional fluctuating wind speed instrument is connected with data acquisition system (DAS).
2. the wind field arrangement of vast scale and high turbulent flow according to claim 1, is characterized in that: described wedge quantity is 5, and described roughness element is furnished with 23 rows.
3. the wind field arrangement of vast scale and high turbulent flow according to claim 1 or 2, is characterized in that: described roughness element comprises the square wooden unit of one piece of surfacing, is embedded with one piece of cylinder-shaped magnet bottom wooden unit.
4. the wind field arrangement of vast scale and high turbulent flow according to claim 3, is characterized in that: described wedge comprises plate, dividing plate, base plate and push rod windward; Plate is isosceles triangle windward, and plate and divider upright are arranged on base plate in base plate windward, and divider upright is in plate windward and be positioned at windward on plate center line; The upper end of dividing plate is provided with push rod, and the upper end of push rod is provided with sleeve, and sleeve and push rod are spirally connected; Described base plate is provided with multiple through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520592367.7U CN204882029U (en) | 2015-08-07 | 2015-08-07 | Large scale and high turbulent wind field arrangement structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520592367.7U CN204882029U (en) | 2015-08-07 | 2015-08-07 | Large scale and high turbulent wind field arrangement structure |
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| Publication Number | Publication Date |
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| CN204882029U true CN204882029U (en) | 2015-12-16 |
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| CN201520592367.7U Expired - Fee Related CN204882029U (en) | 2015-08-07 | 2015-08-07 | Large scale and high turbulent wind field arrangement structure |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105628332A (en) * | 2016-03-25 | 2016-06-01 | 哈尔滨工业大学深圳研究生院 | Device for adjusting boundary layer wind tunnel test bottom turbulence degree by changing cylinder rotation speed |
| CN105675247A (en) * | 2016-01-29 | 2016-06-15 | 哈尔滨工业大学深圳研究生院 | Passive-type rotation roughness element for realizing turbulence quantitative control and use method thereof |
| CN105675248A (en) * | 2016-01-29 | 2016-06-15 | 哈尔滨工业大学深圳研究生院 | Active-type rotation roughness element for realizing turbulence quantitative control and use method thereof |
| CN105890865A (en) * | 2016-06-12 | 2016-08-24 | 哈尔滨工业大学深圳研究生院 | Adjustable wedge roughness element combined system capable of acquiring incoming wind for experiment |
| CN108051179A (en) * | 2017-10-18 | 2018-05-18 | 三峡大学 | Open channel turbulence inhibitor |
| CN110231138A (en) * | 2019-06-06 | 2019-09-13 | 南京大学 | A kind of flow tunnel testing device and application method |
-
2015
- 2015-08-07 CN CN201520592367.7U patent/CN204882029U/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105675247A (en) * | 2016-01-29 | 2016-06-15 | 哈尔滨工业大学深圳研究生院 | Passive-type rotation roughness element for realizing turbulence quantitative control and use method thereof |
| CN105675248A (en) * | 2016-01-29 | 2016-06-15 | 哈尔滨工业大学深圳研究生院 | Active-type rotation roughness element for realizing turbulence quantitative control and use method thereof |
| CN105675248B (en) * | 2016-01-29 | 2018-05-11 | 哈尔滨工业大学深圳研究生院 | A kind of active rotation roughness element and application method for realizing turbulivity quantified controlling |
| CN105675247B (en) * | 2016-01-29 | 2018-05-11 | 哈尔滨工业大学深圳研究生院 | A kind of passive-type rotation roughness element and application method for realizing turbulivity quantified controlling |
| CN105628332A (en) * | 2016-03-25 | 2016-06-01 | 哈尔滨工业大学深圳研究生院 | Device for adjusting boundary layer wind tunnel test bottom turbulence degree by changing cylinder rotation speed |
| CN105628332B (en) * | 2016-03-25 | 2018-03-27 | 哈尔滨工业大学深圳研究生院 | The device that boundary layer wind tunnel tests bottom turbulivity is adjusted by changing cylinder rotating speed |
| CN105890865A (en) * | 2016-06-12 | 2016-08-24 | 哈尔滨工业大学深圳研究生院 | Adjustable wedge roughness element combined system capable of acquiring incoming wind for experiment |
| CN105890865B (en) * | 2016-06-12 | 2018-08-07 | 哈尔滨工业大学深圳研究生院 | A kind of adjustable wedge roughness element combined system obtaining incoming wind needed for experiment |
| CN108051179A (en) * | 2017-10-18 | 2018-05-18 | 三峡大学 | Open channel turbulence inhibitor |
| CN108051179B (en) * | 2017-10-18 | 2024-04-19 | 三峡大学 | Open channel turbulence control device |
| CN110231138A (en) * | 2019-06-06 | 2019-09-13 | 南京大学 | A kind of flow tunnel testing device and application method |
| CN110231138B (en) * | 2019-06-06 | 2024-03-19 | 南京大学 | Wind tunnel test device and use method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151216 Termination date: 20180807 |