Heat and mass transfer in MHD Williamson nanofluid flow over an exponentially porous stretching surface

The present study investigates the rate of heat and mass transfer in MHD Williamson nanofluid flow over an exponentially porous stretching surface subject to the heat generation/absorption and mass suction. The analysis has been carried out for the two different conditions of heat transfer stated as...

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Published inCase studies in thermal engineering Vol. 26; p. 100975
Main Authors Li, Yi-Xia, Alshbool, Mohammed Hamed, Lv, Yu-Pei, Khan, Ilyas, Riaz Khan, M., Issakhov, Alibek
Format Journal Article
LanguageEnglish
Published Elsevier Ltd 01.08.2021
Elsevier
Subjects
Aligned magnetic field
Exponential stretching
Heat generation/absorption
Porous medium
Suction
Williamson nanofluid
Suction
Heat generation/absorption
Williamson nanofluid
Porous medium
Exponential stretching
Aligned magnetic field
74Axx
76Nxx
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Summary:The present study investigates the rate of heat and mass transfer in MHD Williamson nanofluid flow over an exponentially porous stretching surface subject to the heat generation/absorption and mass suction. The analysis has been carried out for the two different conditions of heat transfer stated as prescribed exponential order surface temperature (PEST) and prescribed exponential order heat flux (PEHF). Moreover, an exterior magnetic field is applied with an inclined angle along the stretched surface. Mathematically, the existing flow problem has been configured in accordance with the fundamental laws of motion and heat transfer. The similarity transformations have been used to transform the governing equations into the nonlinear ordinary differential equations (ODEs). The numerical solution to the resulting nonlinear ODEs with the associated boundary conditions have been obtained with the utilization of bvp4c package in MATLAB. The behavior of the resulting equations of the problem is checked graphically under the influence of various flow parameters which ensures that the rate of heat transfer decreases with the increase of Brownian motion parameter as well as it increases with the increase of thermophoresis parameter. Moreover, the Sherwood number increases with the rising values of the Prandtl number and Lewis number.
ISSN:2214-157X
2214-157X
DOI:10.1016/j.csite.2021.100975