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PRESSURE MEASUREMENTS ON THE BLADE SURFACE OF WIND TURBINE
Author(s): 
Pages: 52-59
Year: Issue:  4
Journal: Experiments and Measurements in Fluid Mechanics

Keyword:  wind turbincpressure measurementwind tunnel tests;
Abstract: 本文给出了一个直径为5.35米的水平轴风力机在中国空气动力研究与发展中心12米×16米风洞试验段中进行的叶片表面压力分布的测量结果。在 Re 数从4×105至1.2×106的范围内,测量了叶片上八个剖面的压力分布。同时还用内式六分量天平测量了风轮的推力和功率。试验结果表明:风轮叶片根部处的载荷高于理论计算值,而叶尖处的载荷则低于理论计算值;叶素-动量理论对风轮最大功率预估偏低,而在高叶尖速比下,它对风轮的功率和推力预估偏高。测压试验结果与测力试验结果符合一致。
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