Abstract
In this research paper, we consider the motion of particles in flows, taking into account the attached mass. When the concentration of dispersed particles is insignificant, the mutual influence of the particles is negligible, the movement of each particle in the liquid can be considered as occurring regardless of the presence of other particles. Therefore, the results that will be obtained for the case of movement of a single particle in a liquid are applicable. This makes it possible to study the laws of particle behavior based only on the equation for particles. Here, the behavior of particles is studied taking into account the influence of the added mass effect and the Safman forces. According to the results of the study in the conditions. particle motion in an upward flow, the effect of the attached mass effect is comparable to the Stokes hydrodynamic force at moderate. It is established that the separation of the Safman force to the Stokes force depends on the dimensionless parameter. The results show that for currents, the effect of the attached mass significantly affects the regime of particle flow in the water stream.
Highlights
When the concentration of dispersed particles is insignificant, the mutual influence of the particles is negligible, the movement of each particle in the liquid can be considered as occurring regardless of the presence of other particles
This makes it possible to study the laws of particle behavior based only on the equation for particles
The behavior of particles is studied taking into account the influence of the added mass effect and the Safman forces
Summary
When the concentration of dispersed particles is insignificant, the mutual influence of the particles is negligible, the movement of each particle in the liquid can be considered as occurring regardless of the presence of other particles. In the case of turbid fluid hydraulic transport through pressure pipes, pressure losses and critical flow velocity are the main hydraulic parameters. The properties of turbid flow hydraulic mixtures in mining and processing enterprises are determined primarily by the granulometric composition of solid particles and their volumetric concentration.
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