部分滑移和交叉扩散对带有化学反应的通道中磁流体混合生物对流的影响

IF 2.7 Q3 NANOSCIENCE & NANOTECHNOLOGY Journal of Nanofluids Pub Date : 2023-10-01 DOI:10.1166/jon.2023.2063
S. P. Geetha, S. Sivasankaran, M. Bhuvaneswari
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引用次数: 0

摘要

本文的主要目的是探讨 Soret 和 Dufour 对具有化学反应、辐射、焦耳加热和部分(速度)滑移的平通道中纳米流体的 MHD 混合生物对流的影响。相关常微分方程由速度、能量、纳米粒子浓度、溶质浓度和微生物密度组成,采用同调分析方法(HAM)在物理上适当的边界条件下进行分析求解。通过改变不同的物理参数,对无量纲表皮摩擦、热量和质量的传输进行了讨论。热量的传输随着布林克曼数的增加而增强,但随着热辐射的增加而逐渐增强。流体速度随速度滑移而减小,而随哈特曼数升高而增大。由于热辐射过剩,流体温度降低。杜富尔数和速度滑移对溶质浓度的影响相反。
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Partial Slip and Cross-Diffusion Effects on Magnetohydrodynamic Mixed Bioconvection Flow in a Channel with Chemical Reaction
The main objective of the paper is to explore the effects of Soret and Dufour on MHD mixed bioconvection of nanofluid in a flat channel with chemical reaction, radiation, Joule heating and partial (velocity) slip. The related ordinary differential equations are comprised of velocity, energy, nanoparticle concentration, solutal concentration and microorganisms density are solved analytically subject to physically appropriate boundary conditions using homotopy analysis method (HAM). The dimensionless skin friction, heat and mass transport are discussed through plots by varying different physical parameters. The transport of heat enhances with Brinkman number but it increases gradually with thermal radiation. The fluid velocity reduces by the velocity slip, while it increases by raising the Hartmann number. The temperature of the fluid lowered due to the surplus thermal radiation. The dufour number and velocity slip create opposite effect in solutal concentration.
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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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