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Volume 14 Issue 6
Sep.  2013
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Tomography of transient three-dimensional temperature field by moire deflectometry

  • 1.

    Department of Applied Physics, East China Institute of Technology

  • Received Date: 1990-02-22
  • The tomography principle of 3-D temperature field by moire deflectometry is discussed. A multipth moire deflectometry is presented which is used to obtain multi-direction deflectmetric data of a transient field and then to reconstruct the 3-D temperature distribution by computer tomography. The problem of sampling angle for asymmetric field is analyzied in theory, and the relation between angle interval and angle frequency is presented. In this paper a space 3-D temperature distribution of asymmetric flame is measured by using pulse YAG laser as source in this method, and the accuracy of measured result is consist with that obtained by interfcrometry.
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  • [1] 贾安之,阎大鹏,三维温度场的多通道干涉层析,华东工学院学报(自然科学版),1987; (3):1.
    [2]

    Vest,C M, J.O.S.A.,1974; 64; 1215.
    [3] 货安之,阁大鹏,倪晓武等,三维温度场的激光全息与干涉层析,光学学报,1988;8(6): 543.
    [4]

    Radon J,On the determination of functions from their integration along certain manifolds, Vol.69, 262-277.
    [5]

    Gregory W Faris, Rboert L Byer, Beam-deflection optical tomography,Opt.Lett.,1987, 12(1):55-57.
    [6]

    Sanloro R J, Semerjian H G, Optical tomography for field diagnotics, Heat Mass Transfer, 1981; 24(7):1139-1150
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Tomography of transient three-dimensional temperature field by moire deflectometry

  • 1. Department of Applied Physics, East China Institute of Technology
  • Received Date: 1990-02-22
  • Available Online: 1990-11-25

Abstract: The tomography principle of 3-D temperature field by moire deflectometry is discussed. A multipth moire deflectometry is presented which is used to obtain multi-direction deflectmetric data of a transient field and then to reconstruct the 3-D temperature distribution by computer tomography. The problem of sampling angle for asymmetric field is analyzied in theory, and the relation between angle interval and angle frequency is presented. In this paper a space 3-D temperature distribution of asymmetric flame is measured by using pulse YAG laser as source in this method, and the accuracy of measured result is consist with that obtained by interfcrometry.

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