Abstract

The paper presents the analysis of the condition of the flow of cohesionless and cohesive bulk solids in a conveyor discharge point of a descending belt. The analysis was carried out for stationary flows at high velocities. It presents mathematical methods of description of the velocity of materials leaving a conveyor discharge point with a descending conveyor belt, as well as final equations which enable the determination of the velocity of material after it has left the discharge point, with the accuracy sufficient for practical use. Next, the obtained mathematical descriptions for the mentioned material groups have been compared. The usefulness of the equations in determining the velocity of the material beyond the point, which enable to omit the indirect equations, has been demonstrated. Finally, the difference between the values of the velocities obtained with the proposed and indirect equations as well as the relative error for the proposed method have been calculated.

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