Arrhenius活化能存在下Williamson纳米流体在多孔介质中的分层生物转化射流

IF 2 4区 化学 Q3 CHEMISTRY, MULTIDISCIPLINARY
V. Puneeth, S. Manjunatha, M. S. Anwar, M. Oreijah, Kamel Geudri, O. Bafakeeh, A. Galal
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引用次数: 3

摘要

由于较高的传热传质系数,射流已成为各个行业传热传质的有效来源。由于这些高系数,配备射流的设备中的传热和传质率将很高。此外,磁场的存在有助于控制速度,回旋微生物的存在确保了纳米颗粒的适当混合。假设稀释的纳米颗粒悬浮液不会影响导致生物转化的运动细胞的运动。因此,本文旨在分析微生物存在下Williamson纳米流体射流通过多孔拉伸片的传热和传质特性。作为这些假设的结果获得的数学模型被转换为非线性常微分方程,使用数值方法获得其可接受的解。由此获得的结果以图形方式呈现,并且基于结果,可以看出磁场对速度分布具有控制作用,从而影响热分布。Williamson参数的增加也降低了流体流动的速度。此外,对于更高的热泳参数值,注意到纳米流体的热分布和浓度分布的增加,并且孔隙率的增加降低了纳米流体的流动速度。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Stratified Bioconvective Jet Flow of Williamson Nanofluid in Porous Medium in the Presence of Arrhenius Activation Energy
Due to the higher coefficients of heat and mass transfer, the jet flow has become an effective source for the transfer of heat and mass in various industries. Due to these high coefficients, the heat and mass transfer rates will be high in the appliances equipped with the jet flow. Further, the existence of the magnetic field helps in controlling the velocity and the presence of the gyrotactic microorganisms ensure proper mixing of nanoparticles. A dilute nanoparticle suspension is assumed so that it will not affect the movement of motile cells that leads to bioconvection. Hence, this paper aims to analyze the characteristics of heat transfer as well as mass transfer of the jet flow of Williamson nanofluid past a porous stretching sheet in the existence of microorganisms. The mathematical model obtained as a result of these assumptions is transformed into nonlinear ordinary differential equations for which acceptable solutions are obtained using the numerical method. The results thus obtained are presented graphically and based on the outcomes, it is perceived that the magnetic field has control over the velocity profile thus influencing the thermal profile. The increase in the Williamson parameter also reduces the velocity of the fluid flow. Further, an increase was noticed in the thermal and concentration profiles of the nanofluid for higher values of thermophoresis parameter and the increase in the porosity reduced the speed of the flow of nanofluid.
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来源期刊
CiteScore
3.60
自引率
9.10%
发文量
62
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