Measuring and testing – Wind tunnel: aerodynamic wing and propeller study
Patent
1985-11-21
1987-03-03
Woodiel, Donald O.
Measuring and testing
Wind tunnel: aerodynamic wing and propeller study
738656, G01M 900
Patent
active
046465642
ABSTRACT:
The present invention is connected with a method for testing a gas diffusion which comprises the steps of rotatably disposing a topography model in the wind passage of a wind tunnel; previously establishing a time distribution of a direction and a velocity of a wind blowing above the topography model; rotating the topography model on the basis of the established time distribution of the blowing wind; discharging a tracer gas from a certain position of the topograph model while changing the wind velocity in the wind tunnel; and testing a diffusion of the tracer gas. Further, the present invention is connected with an apparatus for practicing the above-mentioned method and is concerned with a method for testing a gas diffusion which comprises fixing a topography model in a wind passage of a wind tunnel; and rotating the wind passage about the topography mold on the basis of a time distribution of a wind direction. Furthermore, the present case is concerned with their improvements. According to the present invention, the time distribution of the wind direction and the wind velocity corresponding to weather conditions on an actual location can be reproduced on a laboratory scale, and it is thus possible to simulate situations of the gas diffusion effectively.
REFERENCES:
Kareem et al., "Wind-Tunnel Simulation of Wind-Structure Interactions", ISA Transactions-vol. 18, No. 4, pp. 23-41 (1979).
Ide Yasuo
Ogushi Kimio
Yamauchi Kazuhiro
Mitsubishi Jukogyo Kabushiki Kaisha
Woodiel Donald O.
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