Journal of Engineering Physics and Thermophysics is a translation of Inzhenerno-fizicheskii Zhurnal,
a publication of the Academic Scientific Complex "A. V. Luikov Heat and Mass Transfer Institute"
of the National Academy of Sciences of Belarus
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SPECKLE TECHNIQUE FOR MEASUREMENT OF TURBULENCE CHARACTERISTICS

N. A. Fomin and D. E. Vitkin

UDC 533.12.08+535.31:536.24

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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