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WANG Li-qun, SONG Wen-ping, FU Song. NOISE GENERATED BY A HELICOPTER ROTOR[J]. Engineering Mechanics, 2000, 17(2): 30-35.
Citation: WANG Li-qun, SONG Wen-ping, FU Song. NOISE GENERATED BY A HELICOPTER ROTOR[J]. Engineering Mechanics, 2000, 17(2): 30-35.
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NOISE GENERATED BY A HELICOPTER ROTOR

  • Tsinghua University, Beijing 100084;2. Northwestern Polytechnical University, Xi'an 710072

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  • Received Date: November 19, 1998
  • Revised Date: June 16, 1999
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  • A combined Euler/Kirchhoff method is presented for predicting high-speed impulsive noise generated by a hovering rotor blade. Although lacking experimental verification. the results are promising. The results show that some benefit can be made by taking thin、sweep and taper blade-tip Shape in reducing the far-field noise. The modification is made. It is shown that the combined Euler/Kirchhoff scheme provides a powerful tool for engineering purposes.
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