CN102855804A - Building wind-load comprehensive experiment teaching device - Google Patents
Building wind-load comprehensive experiment teaching device Download PDFInfo
- Publication number
- CN102855804A CN102855804A CN2012103068416A CN201210306841A CN102855804A CN 102855804 A CN102855804 A CN 102855804A CN 2012103068416 A CN2012103068416 A CN 2012103068416A CN 201210306841 A CN201210306841 A CN 201210306841A CN 102855804 A CN102855804 A CN 102855804A
- Authority
- CN
- China
- Prior art keywords
- wind
- building
- cylindrical shell
- buildings models
- teaching device
- Prior art date
- 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.)
- Granted
Links
Images
Landscapes
- Aerodynamic Tests, Hydrodynamic Tests, Wind Tunnels, And Water Tanks (AREA)
Abstract
The invention discloses a building wind-load comprehensive experiment teaching device which comprises a wind tunnel barrel, one end of the wind tunnel barrel is provided with a wind inlet which can be opened and closed, the other end of the wind tunnel barrel is provided with a wind outlet which can be opened and closed, a building model is arranged in the wind tunnel barrel, the bottom of the building model and a wind-tunnel reserved hole are connected and sealed through bolts, a fan is arranged in the wind tunnel barrel in a direction dead against the building model, the fan is arranged in the wind tunnel barrel, a plurality of small holes arranged in the surface of the building model are communicated with a microcomputer digital pressure gauge or/and a liquid-column pressure manometer through a leather hose, and a plurality of guide plates are arranged between the fan and the building model so as to form a guide device. The teaching device disclosed by the invention has the beneficial effects that the device is used for testing the pressure distribution on the surface of a building and the flow field (wind speed) distribution around the building, and displaying the flow field status (flow form) around the building when an airflow flows through the building so as to carry out teaching experiments, demonstrations and scientific researches.
Description
Technical field
The present invention relates to a kind of building wind load Integrative Experimental Teaching device, belong to the instruments used for education field.
Background technology
Wind load is one of primary load of bearing of buildings, for by force/civil construction such as high-rise building, large-span structure and high-rise buildings of typhoon prone areas, wind load is the control load of Architectural Structure Design, and security and the comfortableness of Architectural Structure Design played critical effect.Flow Field Distribution situation during the airflow passes buildings is producing important impact to buildings and wind environment on every side thereof, and the planning of wind force proofing design, residential quarter or the city wind environment of building structure is had great significance.
In teaching, scientific research and the engineering of the courses such as civil structure load and engineering fluid mechanics are used, the demonstration of the flow field situation of air-flow during to the test of the acting force of building surface and airflow passes buildings has important scientific meaning to the wind force proofing design of buildings, the planning of wind environment and the scientific theory research of fluid motion.The BUILDINGS MODELS (such as skyscraper, stadiums, Loads of Long-span Bridges and short house etc.) of different builds is positioned in the small-sized wind-tunnel, utilize pressure tester to come the pressure distribution on test architecture thing surface, utilize speed measuring device to come the test architecture velocity distribution in flow field on every side, utilize smoke generating appts to generate flue gas flow field and show air stream flow field situation around the building when building, carry out corresponding education experiment, demonstration and scientific research.
The courses such as current architecture configuration load and engineering fluid mechanics all have the contents of courses such as interaction force that relate to Air Flow and fluid and solid boundaries, but not yet have this building wind load Integrative Experimental Teaching device to come the pressure distribution on test architecture thing surface and the Flow Field Distribution around the building, and the flow field situation around the building when showing the airflow passes buildings.
Summary of the invention
The purpose of this invention is to provide a kind of building wind load Integrative Experimental Teaching device.
To achieve these goals, the technical solution used in the present invention is:
Building wind load Integrative Experimental Teaching device, comprise that an end is provided with the air inlet that can open and close, the other end is provided with the wind-tunnel cylindrical shell of the air outlet that can open and close, in the wind-tunnel cylindrical shell, be provided with BUILDINGS MODELS, the BUILDINGS MODELS bottom is connected with the wind-tunnel reserved opening by bolt and seals, direction over against BUILDINGS MODELS in the wind-tunnel cylindrical shell is provided with blower fan, blower fan is arranged in the wind-tunnel cylindrical shell, some apertures that BUILDINGS MODELS surface arranges by leather hose with the micro computer digital pressure gauge or/and fluid column formula measuring cell is connected, be provided with some fair water fins composition guiding devices between blower fan and the BUILDINGS MODELS.
Be provided with the multistep speed regulation device on the blower fan.
The upper wall inboard of wind-tunnel cylindrical shell is provided with the pitot tube guide rail, and the packaged type pitot tube is connected on the pitot tube guide rail, and the packaged type pitot tube is arranged between guiding device and the BUILDINGS MODELS.
The aerosol producer that also comprises stepless time adjustment, the smoke outlet of aerosol producer is connected with the wind-tunnel cylindrical shell.
Also comprise measuring the thermometer of the temperature in the wind-tunnel cylindrical shell.
The manometric structure of described fluid column formula is: be comprised of some piezometric tube, leather hose is connected from inner connection of BUILDINGS MODELS the top of piezometric tube with the pressure tap on BUILDINGS MODELS surface, and the bottom of piezometric tube links to each other with water tank bottom by leather hose; The next door of piezometric tube has been arranged side by side the slip dip stick.
Beneficial effect of the present invention: being used for the pressure distribution on test architecture thing surface and the flow field (wind speed) around the building distributes, and the flow field situation (nowed forming) around the building when showing the airflow passes buildings, in order to carry out education experiment, demonstration and scientific research.
Description of drawings
Fig. 1, structural representation of the present invention.
Embodiment
In wind-tunnel cylindrical shell 1, set BUILDINGS MODELS 3, after closing air inlet 11 and air outlet 12, open blower fan 13, the blast that utilizes fluid column formula measuring cell 15 and micro computer digital pressure gauge 14 can measure the BUILDINGS MODELS surface distributes and situation of change, utilize packaged type pitot tube 2(packaged type pitot tube to be connected by pitot tube guide rail 21) can measure the BUILDINGS MODELS 3 wind speed size of each point on every side, open aerosol producer 4, the nowed forming of air-flow in the time of then can observing the airflow passes BUILDINGS MODELS.If the smog in the wind-tunnel cylindrical shell 1 will be got rid of, then can when opening, open simultaneously by blower fan air inlet 11 and air outlet 12, and the smog in the wind-tunnel cylindrical shell will be discharged cylindrical shell gradually.
Experiment table 5: be used for placing wind-tunnel, fluid column formula measuring cell, micro computer digital pressure gauge, water tank 151.
Fluid column formula measuring cell 15: the blast that is used for measuring the BUILDINGS MODELS surface.Formed by some piezometric tube, utilize thin leather hose the top of piezometric tube to be connected (connecting from BUILDINGS MODELS is inner) with the pressure tap on BUILDINGS MODELS surface, utilize thin leather hose to link to each other with water tank bottom the bottom of piezometric tube.
Water tank 151: the bottom of water tank bottom with each piezometric tube of fluid column formula measuring cell is communicated with
Slip dip stick 152: the height that is used for measuring piezometric surface in the fluid column formula measuring cell
Micro computer digital pressure gauge: be used for the measurement of BUILDINGS MODELS surface malleation, negative pressure and differential pressure, have temperature and show and the data automatic recording function;
Opening blower fan 13: generate wind field, and configuration multistep speed regulation device 131;
Aerosol producer 4: generate coloured smoke, and generation intensity and the flowing velocity of configuration stepless speed adjusting gear 41 control flue gases;
Packaged type pitot tube 2: utilize thin leather hose that the packaged type pitot tube is linked to each other with piezometric tube, be used for measuring air-flow velocity.The packaged type pitot tube can be mobile at the track of wind-tunnel cylindrical shell, to measure around the BUILDINGS MODELS flow velocity of gas everywhere;
Pitot tube guide rail 21: place the wind-tunnel inner barrel, be used for fixedly pitot tube, pitot tube can move in the above;
Guiding device 6: be comprised of some fair water fins, the inhomogeneous flow field water conservancy diversion that blower fan is generated becomes uniform and stable flow field;
BUILDINGS MODELS 3: the BUILDINGS MODELS surface design goes out some apertures, utilizes thin leather hose that the aperture on BUILDINGS MODELS surface is linked to each other with the micro computer digital pressure gauge with fluid column formula measuring cell, and the thin leather hose that is used for connecting places in the BUILDINGS MODELS;
BUILDINGS MODELS bottom is connected with the wind-tunnel reserved opening by bolt and seals, and the BUILDINGS MODELS of multiple build such as skyscraper, short house, stadiums, bridge etc. are arranged.
The wind-tunnel cylindrical shell: the self-loopa closed channel of Air Flow is positioned on the experiment table.Blower fan, pitot tube, BUILDINGS MODELS, smoke generator, guiding device equipment and pitot tube guide rail are installed on the wind-tunnel cylindrical shell, connect by bolt;
Thermometer 7: be used for measuring the temperature in the wind-tunnel cylindrical shell, utilize Reynold's equation can calculate the Reynolds number in flow field.
Air inlet: during unlatching, air will enter by air inlet.
Air outlet: during unlatching, air will flow out by air outlet.
Air-flow 8 enters from the top of experiment table 5, and (direction of arrow among the figure) is flowed out in the below.
Claims (6)
1. build wind load Integrative Experimental Teaching device, it is characterized in that, comprise that an end is provided with the air inlet that can open and close, the other end is provided with the wind-tunnel cylindrical shell of the air outlet that can open and close, in the wind-tunnel cylindrical shell, be provided with BUILDINGS MODELS, the BUILDINGS MODELS bottom is connected with the wind-tunnel reserved opening by bolt and seals, direction over against BUILDINGS MODELS in the wind-tunnel cylindrical shell is provided with blower fan, blower fan is arranged in the wind-tunnel cylindrical shell, some apertures that BUILDINGS MODELS surface arranges by leather hose with the micro computer digital pressure gauge or/and fluid column formula measuring cell is connected, be provided with some fair water fins composition guiding devices between blower fan and the BUILDINGS MODELS.
2. building wind load Integrative Experimental Teaching device as claimed in claim 1 is characterized in that, is provided with the multistep speed regulation device on the blower fan.
3. building wind load Integrative Experimental Teaching device as claimed in claim 1 or 2, it is characterized in that, the upper wall inboard of wind-tunnel cylindrical shell is provided with the pitot tube guide rail, and the packaged type pitot tube is connected on the pitot tube guide rail, and the packaged type pitot tube is arranged between guiding device and the BUILDINGS MODELS.
4. building wind load Integrative Experimental Teaching device as claimed in claim 3 is characterized in that, also comprise the aerosol producer of stepless time adjustment, the smoke outlet of aerosol producer is connected with the wind-tunnel cylindrical shell.
5. building wind load Integrative Experimental Teaching device as claimed in claim 4 is characterized in that, also comprises measuring the thermometer of the temperature in the wind-tunnel cylindrical shell.
6. building wind load Integrative Experimental Teaching device as claimed in claim 5, it is characterized in that, the manometric structure of described fluid column formula is: be comprised of some piezometric tube, leather hose is connected from inner connection of BUILDINGS MODELS the top of piezometric tube with the pressure tap on BUILDINGS MODELS surface, the bottom of piezometric tube links to each other with water tank bottom by leather hose; The next door of piezometric tube has been arranged side by side the slip dip stick.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210306841.6A CN102855804B (en) | 2012-08-27 | 2012-08-27 | Building wind load Integrative Experimental Teaching device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210306841.6A CN102855804B (en) | 2012-08-27 | 2012-08-27 | Building wind load Integrative Experimental Teaching device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102855804A true CN102855804A (en) | 2013-01-02 |
| CN102855804B CN102855804B (en) | 2015-09-09 |
Family
ID=47402350
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210306841.6A Expired - Fee Related CN102855804B (en) | 2012-08-27 | 2012-08-27 | Building wind load Integrative Experimental Teaching device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102855804B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105758614A (en) * | 2016-04-25 | 2016-07-13 | 宿斌 | Apparatus used for wind tunnel measurement building model surface static pressure and wind pressure coefficient and method thereof |
| CN107270982A (en) * | 2016-02-27 | 2017-10-20 | 山东大学（威海） | A kind of gas flow measurement experimental provision of measurement apparatus movement |
| CN107941455A (en) * | 2017-12-21 | 2018-04-20 | 钦州学院 | A kind of self-loopa smoke wind tunnel and its Flow visualisation method for reducing disturbance |
| CN108225721A (en) * | 2018-04-03 | 2018-06-29 | 广州大学 | A kind of wind tunnel experiment surveys the method with reference to wind speed |
| CN110174235A (en) * | 2019-06-24 | 2019-08-27 | 中山大学 | The measuring device and its application method of a kind of surface pressing of model in wind-tunnel |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11194705A (en) * | 1997-12-26 | 1999-07-21 | Nishimatsu Constr Co Ltd | Method and device for deep circular pit model experimentation |
| CN101393111A (en) * | 2008-10-28 | 2009-03-25 | 上海理工大学 | Test methods for accelerating efflorescence of construction material by utilizing air tunnel |
| CN101706376A (en) * | 2009-09-28 | 2010-05-12 | 百安力钢结构应用科技有限公司 | Metal building element dynamic wind load simulation test device |
| CN102359861A (en) * | 2011-10-20 | 2012-02-22 | 湖南大学 | Device and method for testing wind pressure on surface of building structure |
| CN202562729U (en) * | 2012-01-19 | 2012-11-28 | 东南大学 | Rotary type model rack for visualization test of wind tunnel flow field |
| CN202758537U (en) * | 2012-08-27 | 2013-02-27 | 温州大学 | Building wind load comprehensive experiment teaching apparatus |
-
2012
- 2012-08-27 CN CN201210306841.6A patent/CN102855804B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11194705A (en) * | 1997-12-26 | 1999-07-21 | Nishimatsu Constr Co Ltd | Method and device for deep circular pit model experimentation |
| CN101393111A (en) * | 2008-10-28 | 2009-03-25 | 上海理工大学 | Test methods for accelerating efflorescence of construction material by utilizing air tunnel |
| CN101706376A (en) * | 2009-09-28 | 2010-05-12 | 百安力钢结构应用科技有限公司 | Metal building element dynamic wind load simulation test device |
| CN102359861A (en) * | 2011-10-20 | 2012-02-22 | 湖南大学 | Device and method for testing wind pressure on surface of building structure |
| CN202562729U (en) * | 2012-01-19 | 2012-11-28 | 东南大学 | Rotary type model rack for visualization test of wind tunnel flow field |
| CN202758537U (en) * | 2012-08-27 | 2013-02-27 | 温州大学 | Building wind load comprehensive experiment teaching apparatus |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107270982A (en) * | 2016-02-27 | 2017-10-20 | 山东大学（威海） | A kind of gas flow measurement experimental provision of measurement apparatus movement |
| CN105758614A (en) * | 2016-04-25 | 2016-07-13 | 宿斌 | Apparatus used for wind tunnel measurement building model surface static pressure and wind pressure coefficient and method thereof |
| CN105758614B (en) * | 2016-04-25 | 2018-03-13 | 宿斌 | For wind-tunnel measurements BUILDINGS MODELS Surface Static Pressure and the device and method of coefficient of wind pres |
| CN107941455A (en) * | 2017-12-21 | 2018-04-20 | 钦州学院 | A kind of self-loopa smoke wind tunnel and its Flow visualisation method for reducing disturbance |
| CN107941455B (en) * | 2017-12-21 | 2023-08-18 | 钦州学院 | Disturbance-reducing self-circulation smoke wind tunnel and flow field display method thereof |
| CN108225721A (en) * | 2018-04-03 | 2018-06-29 | 广州大学 | A kind of wind tunnel experiment surveys the method with reference to wind speed |
| CN108225721B (en) * | 2018-04-03 | 2023-07-07 | 广州大学 | Method for measuring reference wind speed in wind tunnel experiment |
| CN110174235A (en) * | 2019-06-24 | 2019-08-27 | 中山大学 | The measuring device and its application method of a kind of surface pressing of model in wind-tunnel |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102855804B (en) | 2015-09-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102855804B (en) | Building wind load Integrative Experimental Teaching device | |
| Etheridge | A perspective on fifty years of natural ventilation research | |
| Montazeri et al. | Two-sided wind catcher performance evaluation using experimental, numerical and analytical modeling | |
| CN202758537U (en) | Building wind load comprehensive experiment teaching apparatus | |
| Luo et al. | An experiment and simulation of smoke confinement and exhaust efficiency utilizing a modified Opposite Double-Jet Air Curtain | |
| Cruz-Salas et al. | Experimental study on natural ventilation of a room with a windward window and different windexchangers | |
| Teppner et al. | Air change rates driven by the flow around and through a building storey with fully open or tilted windows: An experimental and numerical study | |
| Langmans et al. | Experimental analysis of cavity ventilation behind rainscreen cladding systems: A comparison of four measuring techniques | |
| Larsen et al. | Characterization and prediction of the volume flow rate aerating a cross ventilated building by means of experimental techniques and numerical approaches | |
| Hirose et al. | Outdoor measurements of relationship between canopy flow and wall pressure distributions of a block within urban-like block array | |
| He et al. | Experimental and CFD study of ventilation performance enhanced by roof window and mechanical ventilation system with different design strategies | |
| CN110111635A (en) | A kind of double long and narrow space fire test platforms of reduced scale cun subway tunnel/compartment | |
| CN208126718U (en) | Adjustable slope piping lane ventilation model device | |
| Wang et al. | Theoretical modeling of the platform piston wind wall jet using field measurements and model testing | |
| CN104500124A (en) | City tunnel ventilation test device and manufacturing method thereof | |
| CN104564122A (en) | City tunnel ventilation testing device with ramp | |
| CN206601894U (en) | Fire spread analogue means in a kind of channel-style restricted clearance | |
| Liu et al. | Nonlinear dynamic analysis of solution multiplicity of buoyancy ventilation in a typical underground structure | |
| CN105845018A (en) | Highway tunnel ventilation system simulation platform building method and highway tunnel ventilation system simulation platform | |
| Miše et al. | Wind-driven natural ventilation of cubic buildings in rural and suburban areas | |
| CN206726624U (en) | A kind of emulation platform of Highway Tunnel Ventilation System | |
| CN209372358U (en) | A kind of double test section direct current gust wind tunnels of band bypass | |
| Devaud et al. | Experimental and numerical characterization of the flowfield in the large‐scale UW live fire research facility | |
| Contini et al. | Effects of Reynolds number on stack plume trajectories simulated with small scale models in a wind tunnel | |
| Heiselberg et al. | Buoyancy driven natural ventilation through horizontal openings |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C53 | Correction of patent of invention or patent application | ||
| CB02 | Change of applicant information |
Address after: 325035 Wenzhou State University Science Park incubator, No. 38 Dongfang South Road, Ouhai District, Zhejiang, Wenzhou Applicant after: Wenzhou University Address before: 325035 Zhejiang province Chashan Wenzhou Higher Education Park of Wenzhou University School of architecture and civil engineering building No. 7 room B204 Applicant before: Wenzhou University |
|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150909 Termination date: 20160827 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |