Modeling the fluid dynamics and heat transfer in unsteady and periodic flow of a highly concentrated granular medium over an obstacle in a channel

被引：0

作者：

Shvab, A. V. ^{[1
]}

Chinchikeeva, N. A. ^{[1
]}

机构：

[1] Natl Res Tomsk State Univ, Tomsk 634050, Russia

来源：

JOURNAL OF APPLIED MECHANICS AND TECHNICAL PHYSICS | 2015年 / 56卷 / 06期

基金：

俄罗斯基础研究基金会;

关键词：

unsteady flow; granular medium; slip; friction; heat exchange;

D O I：

10.1134/S0021894415060206

中图分类号：

O3 [力学];

学科分类号：

08 ; 0801 ;

摘要：

The unsteady isothermal flow of a dense layer of a granular medium around an obstacle in a plane channel is modeled using the momentum transfer equations for an incompressible viscous liquid medium based on the slip of the medium at the walls. The validity of this approach is tested by comparing the calculated and experimental data for the flow of a highly concentrated granular medium with high flowability. The effect of periodic change in the flow rate of the granular medium over time in the inlet section of the plane channel on the unsteady distributions of the velocity and temperature fields is studied.

引用

页码：1096 / 1102

页数：7

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