On convective heat and mass transport of radiative double diffusive Williamson hybrid nanofluid by a Riga surface

Muhammad Faisal, F. Mabood (), K. K. Asogwa () and I. A. Badruddin ()
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Muhammad Faisal: Department of Mathematics, Azad Jammu and Kashmir University, Muzaffarabad Pakistan
F. Mabood: ��Department of Information Technology, Fanshawe College London, ON, Canada
K. K. Asogwa: ��Department of Mathematics, Nigeria Maritime University, Okerenkoko, Delta State Nigeria
I. A. Badruddin: �Mechanical Engineering Department, College of Engineering, King Khalid University Abha 61413, Asir, Kingdom of Saudi Arabia

International Journal of Modern Physics C (IJMPC), 2023, vol. 34, issue 08, 1-18

Abstract: Convective heat and mass transport of radiative Williamson hybrid (SWCNT+MWCNT) nanofluid (NF) by a Riga surface with the novel features of Cattaneo–Christov double-diffusion has been investigated. Thermal contributions of internal heat mechanism and Arrhenius energy in Darcy–Forchheimer medium have also been incorporated in the modeling. Mathematical modeling has been completed by using suitable mathematical expressions for thermophysical features of hybrid nanofluid (HNF). Transport partial differential equations (PDEs) have been transformed into ordinary differential equations (ODEs) by means of similarity variables. Numerical approximation of the transformed system has been obtained by using shooting-based Runge–Kutta–Fehlberg approach. Results have been presented through various graphs and discussed physically in detail. Solution is validated for limited cases. Concentration of the hybrid mixture is reduced for progressive concentration-relaxation parameter. Temperature is alleviated for developing thermal-relaxation parameter. Nusselt number is observed to be higher for Williamson HNF than simple ordinary NF.

Keywords: Williamson hybrid nanofluid; Riga surface; Cattaneo–Christov law; activation energy; heat transfer; mass transfer (search for similar items in EconPapers)
Date: 2023
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DOI: 10.1142/S0129183123501115

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