HYDRAULIC PROPERTIES OF SAND SLURRY FLOW IN A PIPE
https://doi.org/10.31675/1607-1859-2020-22-2-129-144
Abstract
The sand slurry flow in a cylindrical pipe is investigated using the Ostwald de Waele model. The dependence of the fluid flow rate on the pressure drop is determined, dependencies for the radial distribution of velocity and effective viscosity of flow are obtained. It is shown that the distribution of effective viscosity is characterized by a monotonic increase as it approaches the pipe walls. As the consistency increases, the mechanical energy dissipation of the flow also increases leading to an increase in hydraulic resistance. During the flow of dilatant media with the low nonlinearity index, the hydraulic resistance decreases with increasing pressure drop. When this index is 2, the hydraulic resistance does not depend on the pressure drop and is determined only by the liquid properties and the channel size. At highe values of the nonlinearity index, the increased pressure drop leads to an increase in hydraulic resistance. Keywords
About the Authors
O. V. Matvienko
Tomsk State University of Architecture and Building; National Research Tomsk State University
Russian Federation
Russian Federation
Oleg V. Matvienko, DSc, Professor, Department of Theoretical Mechanics ; Department of Physical and Computational Mechanics
2, Solyannaya Sq., 634003, Tomsk; 36, Lenin Ave., 634050, Tomsk
V. P. Bazuev
Tomsk State University of Architecture and Building
Russian Federation
Russian Federation
Viktor P. Bazuev, PhD, Senior Scientist
2, Solyannaya Sq., 634003, Tomsk
I. S. Cherkasov
National Research Tomsk State University
Russian Federation
Russian Federation
Ilya S. Cherkasov, Graduate Student
36, Lenin Ave., 634050, Tomsk
A. E. Litvinova
National Research Tomsk State University
Russian Federation
Russian Federation
Alyona E. Litvinova, Graduate Student
36, Lenin Ave., 634050, Tomsk
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For citations:
Matvienko O.V., Bazuev V.P., Cherkasov I.S., Litvinova A.E. HYDRAULIC PROPERTIES OF SAND SLURRY FLOW IN A PIPE. Vestnik Tomskogo gosudarstvennogo arkhitekturno-stroitel'nogo universiteta. JOURNAL of Construction and Architecture. 2020;22(2):129-144. (In Russ.) https://doi.org/10.31675/1607-1859-2020-22-2-129-144
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