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首页> 外文期刊>Multidiscipline modeling in materials and structures >Peristaltic transport of a Jeffrey fluid under the effect of gravity field and rotation in an asymmetric channel with magnetic field
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Peristaltic transport of a Jeffrey fluid under the effect of gravity field and rotation in an asymmetric channel with magnetic field

机译：杰弗里流体在重力场和旋转的非对称磁场作用下的蠕动传输

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Purpose - The purpose of this paper is to study the peristaltic flow of a Jeffrey fluid in an asymmetric channel, subjected to gravity field and rotation in the presence of a magnetic field. The channel asymmetry is produced by choosing the peristaltic wave train on the walls to have different amplitude and phase. The flow is investigated in a wave frame of reference moving with the velocity of the wave. Involved problems are analyzed through long wavelength and low Reynolds number. Design/methodology/approach - The analytical expressions for the pressure gradient, pressure rise, stream function, axial velocity and shear stress have been obtained. The effects of Hartmann number, the ratio of relaxation to retardation times, time-mean flow, rotation, the phase angle and the gravity field on the pressure gradient, pressure rise, streamline, axial velocity and shear stress are very pronounced and physically interpreted through graphical illustrations. Comparison was made with the results obtained in the asymmetric and symmetric channels. Findings - The results indicate that the effect of the Hartmann number, the ratio of relaxation to retardation times, time-mean flow, rotation, the phase angle and the gravitational field are very pronounced in the phenomena. Originality/value - In the present work, the authors investigate gravity field, and rotation through an asymmetric channel in the presence of a magnetic field has been analyzed. It also deals with the effect of the magnetic field and gravity field of peristaltic transport of a Jeffrey fluid in an asymmetric rotating channel.
机译：目的-本文的目的是研究非对称通道中的杰弗里流体的蠕动流，该流在重力场和磁场作用下旋转。通过选择壁上的蠕动波列使其具有不同的幅度和相位来产生通道不对称性。在参考波框架中研究流动，该参考框架随波速移动。通过长波长和低雷诺数来分析所涉及的问题。设计/方法/方法-已获得压力梯度，压力上升，流函数，轴向速度和切应力的解析表达式。哈特曼数，弛豫与延迟时间之比，时间平均流量，旋转，相角和重力场对压力梯度，压力上升，流线，轴向速度和剪切应力的影响非常明显，并通过物理解释图形插图。与在非对称和对称通道中获得的结果进行了比较。发现-结果表明，哈特曼数，弛豫与延迟时间的比率，时间平均流量，旋转，相角和引力场的影响在该现象中非常明显。原创性/价值-在目前的工作中，作者研究了重力场，并且分析了在磁场存在下通过非对称通道的旋转。它还处理了杰弗里流体在非对称旋转通道中蠕动传输的磁场和重力场的影响。

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