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首页> 外文期刊>Special topics & reviews in porous media >PERISTALTIC MECHANISM OF BINGHAM LIQUID IN A CONVECTIVELY HEATED POROUS TUBE IN THE PRESENCE OF VARIABLE LIQUID PROPERTIES
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PERISTALTIC MECHANISM OF BINGHAM LIQUID IN A CONVECTIVELY HEATED POROUS TUBE IN THE PRESENCE OF VARIABLE LIQUID PROPERTIES

机译：存在可变液体性质的对流加热多孔管中宾厄姆液体的蠕变机理

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摘要

This article investigates the effects of variable liquid properties and convective boundary conditions on the peristaltic transport of Bingham liquid flowing through a porous tube. The influences of variable viscosity and thermal conductivity are taken into account. The perturbation technique is utilized to solve the governing nonlinear equations with the help of long wavelength and small Reynolds number approximations. Analytical solutions are obtained for velocity, plug flow velocity, streamlines, flow rate, pressure gradient, and temperature. Numerical integration has been employed for pressure rise and frictional force with the help of MATLAB. Further, the impacts of relevant parameters on physiological quantities are examined and discussed through graphs and tables. An expansion in the estimation of porous parameter reduces the velocity, whereas contrary conduct is seen for an increase in the value of the velocity slip parameter. The magnitude of temperature diminishes for a vast estimation of Biot number.
机译：本文研究了可变液体特性和对流边界条件对宾厄姆液体流经多孔管的蠕动传输的影响。考虑了可变粘度和热导率的影响。利用摄动技术借助长波长和小的雷诺数近似来求解控制非线性方程。获得了速度，活塞流速度，流线，流速，压力梯度和温度的解析解。在MATLAB的帮助下，数值积分已用于压力升高和摩擦力的计算。此外，通过图形和表格检查和讨论了相关参数对生理量的影响。多孔参数估计值的扩展会降低速度，而速度滑移参数值的增加会导致相反的行为。对于大量的比奥数，温度的幅度减小了。

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