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《Meteorological Science and Technology》 2016-01
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Testing of Ultrasonic Wind Sensors in Circuit Wind Tunnel

Huang Min;Lu Huiguo;Wang Baoqiang;Liu Junhong;Electronic Engineering College,CUIT;  
Ultrasonic anemometers are suitable to a variety of industries for wind measurement demand because of small start wind speed,no-moving parts,not disturbing the wind field,and high accuracy.However,ultrasound test procedures related to wind measurements have not formalized in China.Selecting the speed test points drawing on the wind cup test procedures,tests are conducted at each point at different angles in the HDF-720low-speed wind tunnel loop.The test results indicate that ultrasonic wind sensors can be installed in a large wind tunnel for testing,at the same wind speed,the measurement results are slightly different at different angles due to the shadow effect of wind instrument sensors.Moreover,for different wind speeds,the differences are different.Combined with the above test analysis,the measurements must be corrected according to the ultrasonic sensor installation angles when using ultrasonic anemometer to measure wind speed in real time.
【Fund】: 国家重大科学仪器设备开发专项(2012YQ110205);; 四川省教育厅重点项目(14ZA0170)共同资助
【CateGory Index】: P414.7
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