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Influence of peristalsis on the convective flow of two immiscible fluids in a vertical channel

机译：蠕动对垂直通道中两个不混溶流体的对流流动的影响

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摘要

This article explores the flow characteristics of peristaltic transport of two immiscible fluids in a vertical channel with heat transfer are studied. The flow domain is divided into the core region and a peripheral region, respectively. The solution is derived analytically in the form of temperature from which the stream function and axial velocity corresponding to each region are found. The two regions are separated by an interface, which is determined by using nonlinear algebraic equation. In peristaltic transport, the importance of physical quantities like pumping, axial velocity, temperature distribution, and interface are discussed for different considerations of interest governing the flow parameters. It is noticed that the increase in Gr enhances the pressure change at a given flow rate. It shows that increasing Gr enhances the displacement of fluid particles, which yields to increase in axial velocity. The increase in heat source/sink parameter yields the increase in temperature of the fluid, which, in turn, results in an increase in temperature distribution.
机译：本文探讨了在具有传热中的垂直通道中的两个不混溶流体的蠕动传输的流动特性。流程域分别分别分为核心区域和外围区域。该解决方案以温度的形式分析地导出，从中找到与每个区域对应的流函数和轴向速度。这两个区域由接口分开，该接口是通过使用非线性代数方程来确定的。在蠕动运输中，讨论了泵送，轴向速度，温度分布和界面等物理量的重要性，用于不同考虑到流量参数的兴趣的不同考虑因素。注意到GR的增加以给定的流速提高压力变化。结果表明，增加的GR增强了流体颗粒的位移，从而产生轴向速度的增加。热源/水槽参数的增加产生了流体的温度的增加，又导致温度分布的增加。

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