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Qiu Jianrong, Ma Yuyi. Choice of scattering particles during measuring turbulent flow field with particle dynamic analyzer[J]. LASER TECHNOLOGY, 1995, 19(3): 150-154.
Citation: Qiu Jianrong, Ma Yuyi. Choice of scattering particles during measuring turbulent flow field with particle dynamic analyzer[J]. LASER TECHNOLOGY, 1995, 19(3): 150-154.
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Choice of scattering particles during measuring turbulent flow field with particle dynamic analyzer

  • National Coal Combustion Laboratory, HUST

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  • Published Date: May 24, 1995
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    • Abstract
  • The technology of laser Doppler velocity measurement in fluid depends on the presence of suitable particles. How to choose the scattering particles during mea-suring turbulent flow field with particle dynamic analyzer(PDA)is discussed in this pa-per.The results show:(1)The choice of scattering particle is the main factor of influe-ncing the velocity measurement;(2)In the study of turbulent flow field by PDA,the requirements of scattering particle choice are mainly small size,low particle density,high particle refractive index and suitable concentration.
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