Experimental Analysis of Reynolds Stress in Wake of Ahmed Model
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O 355; U 461.1

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    Abstract:

    The Ahmed model with 35°slant angle was tested in the model wind tunnel.The components of velocity were captured by using 3D CTA.By statistically analysis with the transient value of velocity,the contour spectrums of Reynolds stress components were presented.According to the spectrums,the feature of the flow structure is showed with drag vortex pair and ground effect extending to far field.The distribution characteristic of the stress components varies with the distance from model body.

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ZHU Hui, YANG Zhigang. Experimental Analysis of Reynolds Stress in Wake of Ahmed Model[J].同济大学学报(自然科学版),2011,39(10):1543~1547

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History
  • Received:July 19,2010
  • Revised:July 07,2011
  • Adopted:February 23,2011
  • Online: November 07,2011
  • Published:
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