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Volume 28 Issue 5
May  2002
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Journal of Beijing University of Aeronautics and Astronautics  > 2002  >  28(5): 559-562.
HUANG Zhan, SHEN Gong-xin, WEI Run-jie, et al. Measurements of Velocity Uniformity in Watertunnel Using DPIV[J]. Journal of Beijing University of Aeronautics and Astronautics, 2002, 28(5): 559-562. (in Chinese)
Citation: HUANG Zhan, SHEN Gong-xin, WEI Run-jie, et al. Measurements of Velocity Uniformity in Watertunnel Using DPIV[J]. Journal of Beijing University of Aeronautics and Astronautics, 2002, 28(5): 559-562. (in Chinese)
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Measurements of Velocity Uniformity in Watertunnel Using DPIV

  • Beijing University of Aeronautics and Astronautics, Dept. of Flight Vehicle Design and Applied Mechanics

  • Received Date: 19 Feb 2001
  • Publish Date: 31 May 2002
    Abstract
  • A Digital Particle Image Velocimetry(DPIV)system using a special Pre-bias method was applied to flow field calibration measurements in the testing section of a water tunnel. Compared with the measurement results obtained by traditional methods (Pitot probe, LDV and traditional DPIV),the results show that the special Pre-bias method can improve measurement accuracy with almost one order level and is fit for flow field velocity uniformity measurement.

     

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  • [1] 陈克成流体力学实验技术[M].北京:机械工出版社,1983. [2]Shen Gongxin. On PIV to face new century[J]. 流体力学实验与测量, 2002,14(2):1~15. [3]Adrian R J. Multi-point optical measurement of simultaneous vectors in unsteady flow—a review[J]. Int Journal of Heat and Fluid Flow, 1986,7:127~145. [4]Shen Gongxin. The useability and feasibility study of the velocity shifting techniques in PIV . In:Kobayyashi T, Yamamoto F, eds. 2nd Int Workshop on PIV-Fukui ’97 .Fukui Japan:The Visualization Society of Japan,1997.185~195.
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