垂直拉伸表面浮力和热辐射微极流体磁流体力学滞流点流的计算研究

IF 2.7 Q3 NANOSCIENCE & NANOTECHNOLOGY Journal of Nanofluids Pub Date : 2023-04-01 DOI:10.1166/jon.2023.1958
M. Jawad
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引用次数: 5

摘要

在电流分析中,报道了垂直拉伸表面引起的微极流体驻点流动的磁流体力学数值方法。考虑浮力的影响。此外,还分析了质量流量为非零时热辐射和导热系数的影响。我们实现了无量纲变量技术,并使用适当的相似技术将耦合的非线性偏微分方程系统转换为常微分方程。此外,利用软件包ND-Solve对Mathematica问题进行了数值集成,并借助于射击技术。磁流体力学的数值方法热辐射微极流体由于垂直拉伸表面引起的驻点流动。考虑了热泳和布朗运动的影响。我们实现了无量纲变量技术,并使用适当的相似技术将耦合的非线性偏微分方程系统转换为常微分方程。为了观察物理参数的影响,对许多新出现的参数进行了图形估值,如布朗运动、混合对流参数、热泳扩散、哈特曼数、辐射参数、普朗特数、拉伸参数和其他无量纲参数。这几个感兴趣的突起参数被用于速度、温度和非线性微旋转轮廓,并进行了详细的研究。
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A Computational Study on Magnetohydrodynamics Stagnation Point Flow of Micropolar Fluids with Buoyancy and Thermal Radiation due to a Vertical Stretching Surface
In current analysis, A numerical approach for magnetohydrodynamics Stagnation point flow of Micropolar fluid due to a vertical stretching Surface is reported. The impact of buoyancy forces is considered. In additions the effects of the thermal radiation and thermal conductivity with non-zero mass flux have been analyzed. we implement the dimensionless variable technique and the systems of coupled non-linear PDEs are transformed into ODEs by using the appropriate similarity technique. Moreover, by using package ND-Solve on Mathematica problem is numerically integrated with the help of shooting technique. Numerical approach for magnetohydrodynamics Stagnation point flow of thermal Radiative Micropolar fluid due to a vertical stretching Surface. The impact of thermophoresis and Brownian motion are considered. We implement the dimensionless variable technique and the systems of coupled non-linear PDEs are transformed into ODEs by using the appropriate similarity technique. To observe the influence of the physical parameters, graphically valuations are performed for numerous emerging parameters like Brownian motion, mixed convection parameters, thermophoresis diffusion, Hartman number, Radiation parameter, Prandtl number, Stretching parameter and other dimension less parameters. These several protuberant parameters of interest are engaged for velocity, temperature and nonlinear micro rotation profile and studied in detail.
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来源期刊
Journal of Nanofluids
Journal of Nanofluids NANOSCIENCE & NANOTECHNOLOGY-
自引率
14.60%
发文量
89
期刊介绍: Journal of Nanofluids (JON) is an international multidisciplinary peer-reviewed journal covering a wide range of research topics in the field of nanofluids and fluid science. It is an ideal and unique reference source for scientists and engineers working in this important and emerging research field of science, engineering and technology. The journal publishes full research papers, review articles with author''s photo and short biography, and communications of important new findings encompassing the fundamental and applied research in all aspects of science and engineering of nanofluids and fluid science related developing technologies.
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