Analysis of boundary layer MHD Darcy-Forchheimer radiative nanofluid flow with soret and dufour effects by means of marangoni convection

被引:43
作者
Jawad, Muhammad [1 ]
Saeed, Anwar [1 ]
Kumam, Poom [2 ,3 ]
Shah, Zahir [4 ,5 ]
Khan, Aurangzeb [6 ,7 ]
机构
[1] Abdul Wali Khan Univ, Dept Math, Mardan 23200, Khyber Pakhtunk, Pakistan
[2] King Mongkuts Univ Technol Thonburi KMUTT, KMUTT Fixed Point Res Lab, KMUTT Fixed Point Theory & Applicat Res Grp, Dept Math,Fac Sci,SCL Fixed Point Lab 802, 126 Pracha Uthit Rd, Bangkok 10140, Thailand
[3] China Med Univ, China Med Univ Hosp, Dept Med Res, Taichung 40402, Taiwan
[4] Univ Lakki Marwat, Dept Math, Lakki Marwat 28420, Khyber Pakhtunk, Pakistan
[5] King Mongkuts Univ Technol Thonburi KMUTT, Fac Sci, Ctr Excellence Theoret & Computat Sci TaCS COE, 126 Pracha Uthit Rd, Bangkok 10140, Thailand
[6] Univ Lakki Marwat, Lakki Marwat 28420, Khyber Pakhtunk, Pakistan
[7] Abdul Wali Khan Univ, Dept Phys, Mardan 23200, Khyber Pakhtunk, Pakistan
关键词
Marangoni convection; Nanofluids; Magnetic field; Boundary layer; Soret effect; Dufour effect; Mass transfer; GAMMA AL2O3 NANOFLUIDS; NATURAL-CONVECTION; MAGNETIC-FIELD; TEMPERATURE; NUMBER; WATER;
D O I
10.1016/j.csite.2020.100792
中图分类号
O414.1 [热力学];
学科分类号
摘要
In the current article, the analysis of magnetohydrodynamic laminar flow past a vertical permeable surface is presented. The flow is considered in the existence of Dufour as well as Soret effects. There is a diffusion-thermo process when heat transmission is encouraged by the concentration gradient and thermo diffusion process when the transfer of mass is encouraged by the thermal gradient. The set of partial differential equations (PDEs) for a modeled problem is changed into a set of ordinary differential equations by applying selected non-dimensional similarity transformations. The semi-analytical method HAM is used to determine a solution for the modeled problem. The features of flow characteristics such as velocity, temperature, and concentration profiles in response to the variations of the emerging parameters are simulated and examined in detail. This research article aims to analyze the impacts of surface tension thermo-solutal quotient, Soret parameter, Dufour parameter, Schmidt number, and Prandtl number on the fluid momentum, transfer of heat, and mass. It is noticed in this article that, the gradient of temperature and concentration at the surface is escalated with enhancement in thermo-solutal surface tension. It is further noted that augmentation in the Prandtl number augmented the transfer in heat.
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页数:13
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