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Speckle technique for measurement of turbulence characteristics

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Abstract

The possibilities of speckle photography for determination of the characteristics of turbulence for gas-dynamic flows are analyzed. It is shown that by using two-exposure speckle photography, the energy spectrum and the scales of turbulence can be calculated, while one-exposure speckle photography provides information on the energy and anisotropy of turbulent pulsations.

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Authors
  1. N. A. Fomin
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  2. D. E. Vitkin
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Additional information

Academic Scientific Complex “A. V. Luikov Heat and Mass Transfer Institute, Academy of Sciences of Belarus,” Minsk, Belarus. Translated from Inzhenerno-Fizicheskii Zhurnal, Vol. 69, No. 5, pp. 805–810, September–October, 1996.

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Fomin, N.A., Vitkin, D.E. Speckle technique for measurement of turbulence characteristics. J Eng Phys Thermophys 69, 622–627 (1996). https://doi.org/10.1007/BF02606180

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  • DOI: https://doi.org/10.1007/BF02606180

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