具有活化能和热辐射的卡松纳米流体在水平通道上的达西-福克海默磁流体挤压流

IF 2.7 Q3 NANOSCIENCE & NANOTECHNOLOGY Journal of Nanofluids Pub Date : 2023-10-01 DOI:10.1166/jon.2023.2054
V. V. L. Deepthi, R. Srinivasa Raju
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引用次数: 0

摘要

计算流体动力学最著名的研究领域是流体流动与化学反应和活化能的相互作用。根据多项研究结果,其工业应用包括模拟核反应堆内的流动,并因此受到许多研究人员的赞赏。本研究以流动在工业挑战中的应用为动力,探讨了活化能和化学反应对穿过水平通道多孔材料的磁流体动力学(MHD)达西-福克海默挤压卡松流体流动的影响。当压缩两块水平板以在它们之间创造更多空间时,就会产生流动。通过使用相似变量,可以成功地将偏微分方程 (PDE) 转换为常微分方程 (ODE)。采用射影技术进行数值分析时,需要求解带有薄液层主导参数的有效控制方程。这样做是为了确定研究结果。为了验证当前的解决方案,必须将数值分析结果与之前的研究结果一并评估。研究结果表明,当两块板靠得更近时,预计流体速度和温度都会增加。此外,由于存在强大的洛伦兹力,哈特曼数上升与流体速度和浓度下降之间存在相关性。由于布朗运动,液体的温度和浓度会升高。当达西-福克海默参数和活化能参数同时增加时,速度和浓度都会降低。
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Magnetohydrodynamic Darcy-Forchheimer Squeezed Flow of Casson Nanofluid Over Horizontal Channel with Activation Energy and Thermal Radiation
The most well-known research areas in computational fluid dynamics are concerned with the interplay of fluid flow with chemical reaction and activation energy. According to the findings of several studies, its industrial applications include simulating the flow inside a nuclear reactor, for which it has received appreciation from many researchers. This study, driven by the use of flow in industrial challenges, explores the impacts of activation energy and chemical reaction on the magnetohydrodynamic (MHD) Darcy–Forchheimer squeezed Casson fluid flow through a porous material across the horizontal channel. The flow is produced when two horizontal plates are compressed to create more space between them. By using similarity variables, one may successfully convert partial differential equations (PDEs) to ordinary differential equations (ODEs). The shooting technique was used to carry out the numerical analysis, which entailed solving the competent governing equations with dominating parameters for a thin liquid layer. This was done to determine the results of the study. To validate the current solutions, it is vital to evaluate the numerical findings alongside the results of the prior research. The findings indicate that fluid velocity and temperature increases may be expected as the plates are brought closer together. In addition, there was a correlation between a rise in the Hartmann number and a decrease in the fluid’s velocity and concentration because of the existence of strong Lorentz forces. The temperature and the concentration of the liquid will increase due to the Brownian motion. When the Darcy–Forchheimer and activation energy parameters are both increased, the velocity and concentration decrease.
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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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