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摘要:<正>By using both conventional particle image velocimetry(PIV) and high-speed dynamic PIV,the statistical characteristics of elastic turbulence in a free-surface swirling flow were studied. Flow patterns of the elastic turbulence were observed in the PIV-measured velocity fields in both lateral and meridional planes for CTAC(cetyltrimethyl ammonium chloride) solution flows at low Reynolds numbers.It was found that the elastic turbulence in the tested swirling cylinder flows was characterized by large eddy motions,and the flow was random in time but rather smooth in space.
会议名称:

The Fifth International Conference on Fluid Mechanics

会议时间:

2007-08-15

会议地点:

中国上海

  • 专辑:

    基础科学

  • 专题:

    力学

  • 分类号:

    O357.5

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