Cattaneo-Christov理论存在下多孔介质中双扩散MHD粘性流体的流动

IF 0.8 Q3 ENGINEERING, MULTIDISCIPLINARY
B. Falodun, A. J. Omowaye, F. Oyelami, H. Emadifar, Ahmad Hamod, S. Atif
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引用次数: 2

摘要

本研究将采用Cattaneo-Christov模型来考察双扩散MHD流动的产热、粘滞耗散和热辐射的意义。本研究发现,非线性浮力显著性会影响传热传质。流动方向受到均匀磁场的影响。一组偏微分方程支配着当前的设计(偏微分方程)。为了简化这些方程,将它们转化为常微分方程(ode)。为了对非线性ode进行数值求解,采用了谱松弛法(SRM)。为了实现方程集的解耦和线性化,SRM采用了高斯-塞德尔弛豫方法。地热发电和地下储存系统只是这项研究可以投入使用的几个例子。与以前的研究结果相比,发现当前的结果密切相关。由于洛伦兹力的增加,施加的磁场减慢了流体的运动。黏度耗散和热量产生都有助于形成越来越厚的热边界层。当使用Cattaneo-Christov模型时,热边界层和浓度边界层变得更厚。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Double-Diffusive MHD Viscous Fluid Flow in a Porous Medium in the Presence of Cattaneo-Christov Theories
The Cattaneo-Christov model will be used to examine the significance of heat generation, viscous dissipation, and thermal radiation on a double-diffusive MHD flow in this study. In this study, it was discovered that heat and mass transfer can be affected by nonlinear buoyancy significance. The flow direction was subjected to a uniform magnetic field. A set of partial differential equations governs the current design (PDEs). In order to simplify these equations, they are converted into ordinary differential equations (ODEs). In order to numerically solve the nonlinear ODEs, the spectral relaxation method (SRM) is utilized. In order to decouple and linearize the equation sets, the SRM employs the Gauss-Seidel relaxation method. Geothermal power generation and underground storage systems are just a few examples where this research could be put to use. When compared to previous findings, the current outcomes were discovered to be closely related. Owing to an increase in Lorentz force, the imposed magnetic field slows down fluid motion. Viscosity dissipation and heat generation all contribute to the formation of an ever-thicker thermal boundary layer. When the Cattaneo-Christov models are used, the thermal and concentration boundary layers get a lot thicker.
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来源期刊
Modelling and Simulation in Engineering
Modelling and Simulation in Engineering ENGINEERING, MULTIDISCIPLINARY-
CiteScore
2.70
自引率
3.10%
发文量
42
审稿时长
18 weeks
期刊介绍: Modelling and Simulation in Engineering aims at providing a forum for the discussion of formalisms, methodologies and simulation tools that are intended to support the new, broader interpretation of Engineering. Competitive pressures of Global Economy have had a profound effect on the manufacturing in Europe, Japan and the USA with much of the production being outsourced. In this context the traditional interpretation of engineering profession linked to the actual manufacturing needs to be broadened to include the integration of outsourced components and the consideration of logistic, economical and human factors in the design of engineering products and services.
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