Spray Formation and Combustion

  • T. Kamimoto


Phase-Doppler anemometry is a measuring technique which developed out of laser Doppler anemometry to enable simultaneous measurements of velocity and size of particles whose diameters are larger than or comparable to the fringe spacing in the measuring volume. Based on general considerations on light scattering (see Durst [1]) and pertinent verification experiments, Durst & Zaré [2] demonstrated in 1975 that the general belief was incorrect that good laser Doppler signals could only result from particles that were much smaller than the fringe spacing. Using geometrical optics, fringe spacing in the scattered light field was correlated with the particle diameter. By means of a pair of detectors, phase-shifted signals were measured and used to verify the theoretical estimates of scattered fringe spacing.


Diesel Engine Injection Pressure Flame Front Soot Particle Soot Formation 
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© Springer-Verlag Tokyo 1993

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  • T. Kamimoto

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