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Volume 25 Issue 4
Sep.  2013
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Article Navigation >  LASER TECHNOLOGY  > 2001 >  25(4): 317-321

Citation:
shu

The effect of off-axis alignment of the LDA-probe on measurement

  • 1.

    Shanghai Jiaotong University, Shanghai, 200030

  • Received Date: 2000-05-26
    Accepted Date: 2000-08-14
  • The theoretical analysis of the performance parameters of measurement volume with off-axis alignment of the LDA-probe has been carried out.The calculated equations of the location,the fringe spacing of the measurement volume,the direction of measured flow velocity in the flow has been deduced.The proportion of the displacements between measurement volume and the LDA-probe has been determined.The results show that the measurement volume with off-axis of the LDA-probe has different performance from that with on-axis probe.
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    Doukelis A,Founti M,Mathioudakis K.A general procedure for calculating and correcting the displacement using a three component laser Doppler anemometer for turbomachinery application.7th international symposium on applications of laser technique to fluid mechanics,Lisbon,Portugal,Paper no.17.4.1～17.4.7
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    Parry A J,Lalor M J,Tridimas Y D.Refraction corrections for laser-doppler anemometry in a pipe bend.Dantec Information:4～6
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    Booij R,Tukker J.3-Dimensional laser doppler measurements in a curved flume.7th international symposium on applications of laser technique to fluid mechanics,Lisbon,Portugal,Paper no.28.5.1～28.5.8
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    Zhang Z,Eisele K.Experiments in Fluids,1995:19:89～94
    [5] 朱德忠.热物理激光测试技术.北京:科学出版社,1990
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The effect of off-axis alignment of the LDA-probe on measurement

  • 1. Shanghai Jiaotong University, Shanghai, 200030
  • Received Date: 2000-05-26
  • Accepted Date: 2000-08-14
  • Available Online: 2001-07-25

Abstract: The theoretical analysis of the performance parameters of measurement volume with off-axis alignment of the LDA-probe has been carried out.The calculated equations of the location,the fringe spacing of the measurement volume,the direction of measured flow velocity in the flow has been deduced.The proportion of the displacements between measurement volume and the LDA-probe has been determined.The results show that the measurement volume with off-axis of the LDA-probe has different performance from that with on-axis probe.

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