麦克斯韦流体在热泳和布朗运动中的三维 MHD 混合公约上对流,以及利用非线性辐射热通量的热扩散和热扩散效应

Q2 Mathematics CFD Letters Pub Date : 2024-01-11 DOI:10.37934/cfdl.16.5.135153
Rameswara Reddy Yeddula, Srinivasan Donti Ratnam
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引用次数: 0

摘要

本文旨在利用三维上对流麦克斯韦(UCM)纳米流体在拉伸表面上的流动,研究纳米粒子和磁流体力学(MHD)对热量和质量传递的影响。非线性辐射热流被纳入了能量方程。利用相似性变换将该问题的非线性偏微分方程转换为常微分方程。然后,利用著名的射击法结合四阶 Runge-Kutta 积分过程对这些方程进行求解。为了提高研究结果的可靠性,我们使用了 MATLAB。在颗粒的速度、温度和浓度方面,主要参数(如杜福尔参数、布朗运动参数、普朗特数、热泳参数和磁性参数)的影响以图形和数值的形式表现出来。结果表明,流速随线性和非线性热辐射参数的变化而降低。此外,布朗运动参数值的增加具有降低纳米粒子浓度曲线的效果,在热扩散和扩散热参数的情况下也观察到同样的行为。
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Three-dimensional MHD Mixed Convention Upper Convective Flow of Maxwell Fluid Throughout the Past in Thermophoresis and Brownian Motion with the Effects of Diffusion Thermo and Thermal Diffusion Utilizing Nonlinear Radiative Heat Flux
This article aims to investigate the impact of nanoparticles and magnetohydrodynamics (MHD) on the transfer of heat and mass using a three-dimensional upper-convected Maxwell (UCM) nanofluid flow across a stretched surface. A nonlinear radiative heat flow was included in formulating the equation that describes energy. The nonlinear partial differential equations of the issue are transformed into ordinary differential equations utilizing the similarity transformation. These equations are then solved using the well-known shooting approach in conjunction with the Runge-Kutta integration process of order four. To increase the dependability of our findings make use of the MATLAB. On the velocities, temperatures, and concentrations of the particles, the graphical and numerical representations of the effects of the main parameters, such as the Dufour parameter, the Brownian motion parameter, the Prandtl number, the thermophoresis parameter, and the magnetic parameter, are presented. It has been shown that the flow velocity decreases as a function of both the linear and nonlinear thermal radiation parameters. In addition, increasing values of the Brownian motion parameter have the effect of reducing the nanoparticle concentration profile, the same behavior has observed in the case of thermal diffusion and Diffusion thermo parameters.
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来源期刊
CFD Letters
CFD Letters Chemical Engineering-Fluid Flow and Transfer Processes
CiteScore
3.40
自引率
0.00%
发文量
76
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