Simultaneous measurement of moving particle size and velocity |
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Authors: | D V Kiesewetter and V I Malyugin |
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Institution: | 1.St. Petersburg State Polytechnical University,St. Petersburg,Russia |
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Abstract: | An optical method that makes it possible to measure the size and velocity of particles in flows and mixtures independently
and simultaneously is considered. Measurements are taken by analyzing a moving diffraction pattern using a multielement photodetector
and a special signal processing algorithm. The shape of photocurrent pulses arising when the particle crosses a light beam
is determined. Examples of applying this method to particles with internal optical inhomogeneities are given in comparison
with other methods, such as the method of low-angle scattering. |
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Keywords: | |
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