EFFECT OF THE PARTICLES CONCENTRATION ON FLUCTUATING VELOCITY OF THE DISPERSE PHASE FOR TURBULENT PIPE FLOW

Varaksin, Aleksey Yur'evich; Polezhaev, Yury  V.; Polyakov, Anatoly F.

Turbulence and Shear Flow Phenomena -1 First International Symposium

ISBN 打印: 1-56700-135-1

EFFECT OF THE PARTICLES CONCENTRATION ON FLUCTUATING VELOCITY OF THE DISPERSE PHASE FOR TURBULENT PIPE FLOW

Aleksey Yur'evich Varaksin Joint Institute for High Temperatures (JIHT) of the Russian Academy of Sciences, Izhorskaya Street, 13, Building 2, 125412, Moscow, Russia

Yury V. Polezhaev Department of Heat Transfer, Institute for High Temperatures, Russian Academy of Sciences, Izhorskaya 13/19, Moscow 127412, Russia

Anatoly F. Polyakov Department of Heat Transfer, Institute for High Temperatures, Russian Academy of Sciences, Izhorskaya 13/19, Moscow 127412, Russia

Abstract

This paper presents the results of an experimental study of the solid particles fluctuation velocities distributions for case of their motion in the downward turbulent pipe flow. The glass particles with mean diameters of 50 µm and 100 µrn were used as a disperse phase. The particles mass loading was varied in the range M =0-1.2. The obtained results clearly showed that the particles fluctuation velocities are strongly depended on its mass loading.

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