首页|Laser Doppler Visualization of 2D Velocity Fields with Minimization Dependence from Multi-Particle Scattering
Laser Doppler Visualization of 2D Velocity Fields with Minimization Dependence from Multi-Particle Scattering
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Trans Tech Publications Ltd
The method of laser Doppler visualization and measurement of 2D velocity vector field in flows with minimization of influence of a multi-particle scattering is discussed. The investigated section in the flow is illuminated with a laser sheet. Our approach is based on reception of a pair wise difference of normalized frequency-demodulated images of a laser sheet in light beams scattered in various directions. The 2D velocities field is formed from linear combinations of images of the laser sheet in frequency-demodulated light scattered in directions orthogonal to it.
laser doppler velocimetrylaser visualization of velocity fieldsdoppler global velocimetry (DGV)multi-particle scattering
Yu.N. Dubnishchev、Yu.V. Chugui、Jurgen Kompenhans
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Institute of Thermophysics of SB RAS 630090, Novosibirsk, Russia Novosibirsk State Technical University
Technological Design Institute of Scientific Instrument Engineering of SB RAS 630058, Novosibirsk, 41, Russkaya str., Russia
German Aerospace Center (DLR) Institute of Aerodynamics and Flow Technology 37073 Goettingen Bunsenstrasse 10 Germany
NETL
NSTL
Trans Tech Publications Ltd
