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Volume 26 Issue 1
Jan.  2000
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Journal of Beijing University of Aeronautics and Astronautics  > 2000  >  26(1): 83-86.
DUAN Li, KANG Qi, DING Han-quan, et al. HPIV and its Application[J]. Journal of Beijing University of Aeronautics and Astronautics, 2000, 26(1): 83-86. (in Chinese)
Citation: DUAN Li, KANG Qi, DING Han-quan, et al. HPIV and its Application[J]. Journal of Beijing University of Aeronautics and Astronautics, 2000, 26(1): 83-86. (in Chinese)
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HPIV and its Application

  • 1.

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

  • 2. Chinese Academy of Sciences,Institute of Mechanics

  • 3. Beijing University of Aeronautics and Astronautics,School of Science

  • Received Date: 04 Aug 1998
  • Publish Date: 31 Jan 2000
    Abstract
  • HPIV technology can realize the measurement of three-dimensional velocity (u,v,w) in a three-dimensional space. Using two Nd: YAG pulsed lasers , two exposures, two symmetry reference lights, and off-line holographic technique, three-dimensional particle flow field was recorded. Using SPIV technique's photographic method, two directions' particle images were obtained for three-dimensional calculation. Using cross correlation, the velocity direction was resolved.Using this HPIV system, the three-dimensional vortex flow passed diagonally through a cubic box was measured. The measurement of three component-velocity in three-dimensional flow field was realized.

     

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    • References(1)
  • [1] Shen G X. On the approach to ideal observation & measurement techniques for the fluid Mechanics[J]. SPIE,1997,3172:540~550. [2]Hui Meng, Fazle Hussain． Holographic particle velocimetry :a 3D measurement technique for vortex interactions, coherent structures and turbulence[J]． Fluid Dynamics Research , 1991,8(8):33~52． [3]康 琦．体视3D-PIV技术及其初步应用 ．北京:北京航空航天大学飞行器设计与应用力学系,1995. [4]Shen G X, Kang Q. Steroscopic PIV applied to 3D Vortex flow ．In:Crowder J P,ed.Proceedings of 7 th Int Symp on Flow Visualization ．New York:Begell House Lne, 1995. 733~738.
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