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A wind tunnel test model for simulating the aeroelastic and aerodynamic characteristics of structures under torsional wind field in mountainous areas

A technology of aerodynamic characteristics and wind tunnel testing, applied in the field of wind tunnel testing, can solve problems such as changing torsional wind field torque, achieve the effect of reducing test cost and improving test efficiency

Active Publication Date: 2020-10-09
CHONGQING UNIV +1
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Problems solved by technology

[0004] The present invention intends to provide a wind tunnel test model for simulating structural aeroelasticity and aerodynamic characteristics under the action of a torsional wind field in mountainous areas, so as to solve the problems of changing the wind direction angle of the torsional wind field and the torque generated by the torsional wind field to the building

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  • A wind tunnel test model for simulating the aeroelastic and aerodynamic characteristics of structures under torsional wind field in mountainous areas
  • A wind tunnel test model for simulating the aeroelastic and aerodynamic characteristics of structures under torsional wind field in mountainous areas
  • A wind tunnel test model for simulating the aeroelastic and aerodynamic characteristics of structures under torsional wind field in mountainous areas

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Embodiment 1

[0026] This embodiment is basically as figure 1 , figure 2 with Figure 5 , as shown in:

[0027] A wind tunnel 1 test model for simulating structural aeroelastic and aerodynamic characteristics under the action of torsional wind field in mountainous areas, including wind tunnel 1 and several building installation bases 8 . The building installation base 8 is used to install the building structure model, and several wind pressure sensors, infrared sensors, etc. are set on the building structure model to test parameters such as wind pressure and displacement. This technology is very existing and will not be repeated.

[0028] combine image 3 , the wind tunnel 1 is in the shape of a cuboid with openings at both ends, and a fan is provided at one end of the wind tunnel 1, and the fan can form a strong airflow and blow it into the wind tunnel 1. The wind tunnel 1 is provided with several rows of grids parallel to each other along the axial direction, and the grids can divide...

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Abstract

The invention relates to the technical field of wind tunnel tests, and particularly discloses a wind tunnel test model for simulating structural aeroelastic and aerodynamic characteristics under the action of a torsional wind field in a mountainous area. The model comprises a wind tunnel and a plurality of building mounting bases. A plurality of rows of grids are arranged in the wind tunnel alongthe axial direction, an air duct is formed between every two adjacent grids, and the building mounting bases are positioned in the air ducts. The grid comprises a plurality of grid plates, every two adjacent grid plates are connected through a flexible cylindrical connecting belt with openings in the two ends, and the grid plates can horizontally move and rotate in the wind tunnel. The invention aims to solve the problem of changing the wind direction angle of the torsion wind field and the torque generated by the torsion wind field to the building.

Description

technical field [0001] The invention relates to the technical field of wind tunnel tests, and specifically discloses a wind tunnel test model for simulating structural aeroelasticity and aerodynamic characteristics under the action of a torsional wind field in mountainous areas. Background technique [0002] The wind tunnel test is aimed at wind-sensitive buildings with complex shapes to study the load effect of wind load on buildings. There is no body shape factor for reference in the current load code, and a certain scaled down rigid model is used for the test. [0003] Some buildings are built in large mountainous areas, where a special wind field, namely torsional wind field, will be generated. The torsional wind field can exert torque on the building and have a certain impact on the building structure. It is known in the prior art that some tests will test the wind speed of the building under the action of the torsional wind field, but there is no current test for the ...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01M9/02G01M9/04
CPCG01M9/02G01M9/04
Inventor 陈增顺黄海林傅先枝许叶萌王茜
Owner CHONGQING UNIV
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