磁黏弹性Walter ' s B '的线性稳定性

IF 1.5 4区 物理与天体物理 Q3 PHYSICS, PARTICLES & FIELDS
D. Mostafa
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引用次数: 1

摘要

本文利用粘弹性流体的势流理论,研究了轴向磁场与Walter’s B′粘弹性流体两个旋转圆柱体的传热传质耦合效应。正态模法用于计算扰动的增长率。在界面处忽略了重力的影响,而在分析中存在表面张力的影响。研究了参数对稳定性的影响。研究发现,内筒的旋转引起了稳定性。此外,流体的粘弹性比具有稳定的影响。传热传质、磁导率比和奥氏数对所考虑的系统有稳定的影响,而流体的粘度比、流体的密度比和轴向磁场对所考虑系统有不稳定的影响。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Linear Stability of Magneto Viscoelastic Walter’s B
In this paper, the couple influence of axial magnetic field and the heat and mass transfer on two rotating cylinders of Walter’s B ′ viscoelastic fluids by using the potential flow theory of viscoelastic fluid has been investigated. The normal mode method is used to compute the growth rate of disturbance. The influence of gravity is ignored at the interface, while the effect of surface tension is present in the analysis. The effect of the parameters on the stability is studied. It is found that the rotation of the inner cylinder induces stability. Furthermore, the viscoelastic ratio of fluids has a stabilizing influence. The heat and mass transfer, magnetic permeability ratio, and Ohnesorge number have a stabilized influence, while viscosity ratio of fluids, density ratio of fluids, and axial magnetic field have destabilizing influence on the considered system.
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来源期刊
Advances in High Energy Physics
Advances in High Energy Physics PHYSICS, PARTICLES & FIELDS-
CiteScore
3.40
自引率
5.90%
发文量
55
审稿时长
6-12 weeks
期刊介绍: Advances in High Energy Physics publishes the results of theoretical and experimental research on the nature of, and interaction between, energy and matter. Considering both original research and focussed review articles, the journal welcomes submissions from small research groups and large consortia alike.
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