磁流体动力学-纳米流体边界层通过拉伸片的熔融传热:热辐射和粘滞耗散效应

IF 2.7 Q3 NANOSCIENCE & NANOTECHNOLOGY Journal of Nanofluids Pub Date : 2023-06-01 DOI:10.1166/jon.2023.2040
P. Narender, T. R. Goud
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引用次数: 0

摘要

在此数值研究中,考虑了熔融传热、热辐射和多孔介质对稳定、二维、粘性、不可压缩、磁流体动力纳米流体流动的影响,在发生粘性耗散的情况下,纳米流体流动呈线性延伸片状,以及一阶和随后的阶滑效应。在本研究中,采用适当的相似变量将控制的非线性偏微分方程转化为一个连接的非线性常微分比较系统,该系统使用龙格-库塔方法和点火格式进行数学解释。对速度曲线、温度曲线和注意力曲线的几个相关限制的结果进行了图形化的探索,并进行了彻底的解释。在这项工作中,图像和表格被用来表示各种非量纲化参数的递进值,而数值数据被用来检查皮肤摩擦、热量和质量传递电荷的变化。本研究将我的观察结果与以往的研究作了一个有限的比较。这里实现了数值之间的可靠一致。随着吸注流体参数的增大和磁场极限的增大,速度曲线逐渐减小。温度分布随着热泳动和布朗运动的影响变得更强而上升。当杜福尔数升高时,温度曲线也升高。热泳参数膨胀导致纳米颗粒体积浓度分布增强,而布朗运动效应产生相反的效果。随着Soret数参数的增加,浓度曲线也随之增加。这种熔融传热研究工作包括许多工业应用,包括铸造、焊接、岩浆凝固、永久冻土融化和地面解冻等。
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Melting Heat Transfer on Magnetohydrodynamics-Nanofluid Boundary Layer Flow Past a Stretching Sheet: Thermal Radiation and Viscous Dissipation Effects
The effects of melting heat transfer, thermal radiation, and porous medium on steady, 2-D, viscous, incompressible, magneto hydrodynamic nano-fluid flow concluded a linearly extending sheet in the occurrence of viscous dissipation, as well as first and subsequent order slip effects, were always considered in this numerical research. In this research, appropriate similarity variables were employed to turn the controlling nonlinear partial differentiated equations hooked on a system of linked nonlinear ordinary differential comparisons that are mathematically explained using the Runge-Kutta approach with a firing scheme. The consequence of several pertinent limitations on rapidity profiles, temperature profiles, and attentiveness profiles is graphically explored also thoroughly interpreted. In this work, images and tables were utilized to represent various progressive values of non-dimensionalized parameters, while numerical data was employed to examine variations in skin-friction, heat, and mass transmission charges. The present study of my observation compared with previous studies in a limiting case. A reliable agreement between the numeric values is achieved here. The velocity profiles in this issue decrease as the values of the Suction/Injection fluid parameter as well as the Magnetic field limitation growth. Temperature profiles rise as the impacts of thermophoresis and Brownian motion become stronger. When the value of the Dufour number rises, so do the temperature profiles. Thermophoresis parameter expansions results in enhanced nanoparticle volume concentration distributions, whereas Brownian motion effects produces the opposite effects. As the Soret number parameter increases, so do the concentration profiles. This melting heat transfer study work includes numerous industrial applications, including casting, welding, and magma solidification, permafrost melting and ground thawing, and so on.
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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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