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Volume 23 Issue 3
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Citation:
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Measurement of turbulent density field by laser technique

  • 1.

    Dept. of Thermal Science and Energy Engineering, University of Science and Technology of China, Hefei, 230026

  • Received Date: 1998-01-19
    Accepted Date: 1998-04-13
  • This paper describes a measurement method of statistical mean of the gas density and its fluctuation intensity in the turbulent field using a system composed of laser and PSD element and computer data collector.A mathematical model for experiment data processing was found based on an assuming that the flow field was axial symmetric and statistically stationary.And the quantity statistical mean characteristic inside the turbulent field can be obtained by using this technique described by this paper.
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    Desse J M,Pegneaux J C.Journal of Experiments in Fluid,1991;12(1):1～9
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    Toker G,Levin D,Stricker J.Journal of Experiments in Fluid,1997;22(1):354～357
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    Ball G A,Bray K C.AIAA J,1990;28(6):1057～1064
    [4] 陈俊,王建华,陈义良.利用激光及PSD元件测量射流平均密度场——湍流密度场测量方法研究报告.1997全国工程热物理年会文集,天津:中国工程热物理学会编,论文编号974013,VII 12～16
    [5]

    Wang J H,Chen J,Wang X Het al.The measurement of mean density in turbulentjets using optical technique.Proc of ISMF'97,Beijing:International Academic Publisher,1997:4～15
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Measurement of turbulent density field by laser technique

  • 1. Dept. of Thermal Science and Energy Engineering, University of Science and Technology of China, Hefei, 230026
  • Received Date: 1998-01-19
  • Accepted Date: 1998-04-13
  • Available Online: 1999-05-25

Abstract: This paper describes a measurement method of statistical mean of the gas density and its fluctuation intensity in the turbulent field using a system composed of laser and PSD element and computer data collector.A mathematical model for experiment data processing was found based on an assuming that the flow field was axial symmetric and statistically stationary.And the quantity statistical mean characteristic inside the turbulent field can be obtained by using this technique described by this paper.

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