The effect of turbulence on the settling rate of particles in а suspension current is discussed. А model based on the equation of motion for а single particle in а viscous fluid is analyzed. А formula has been derived for calculating the nonlinearity parameter which determines the dependcnce of the drag force of а moving particle on its settling ratc. The dependence of the nonlinearity parameter on the Reynolds number of а flow has been calculated from the experimental values of settling rates for particles of various sizes in а turbulent flow.
Department of Marine and Inland Water Physics
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