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- Title
UNSTEADY MHD NANOFLUID CONVECTION WITH HEAT TRANSFER OVER A STRETCHING AND VERTICALLY MOVING SHEET.
- Authors
TSHIVHI, Khodani Sherrif; MAKINDE, Oluwole Daniel; MONALEDI, Ramotjaki Lucky
- Abstract
This study examines the combined effects of magnetic field, viscous dissipation and Joule heating on inherent irreversibility in an unsteady stagnation point flow of a conducting Cu-water nanofluid towards a convectively heated stretching and vertically moving slippery sheet. Based on some realistic assumptions, the nonlinear differential equations governing the single phase nanofluid flow model problem is obtained and numerically tackled via shooting technique coupled with the Runge-Kutta-Fehlberg integration scheme. Pertinent results depicting the effects of various emerging parameters on the nanofluid velocity and temperature profiles together with the skin friction, Nusselt number, entropy generation rate and Bejan number are graphically displayed and quantitatively discussed. It was found that the total entropy generation rate escalates with a rise in the nanofluid volume fraction, sheet surface convective heating, magnetic field and sheet vertical motion while an upsurge in the surface slipperiness lessens it.
- Subjects
NANOFLUIDS; MAGNETIC fields; RESISTANCE heating; SKIN friction (Aerodynamics); NUSSELT number; VERTICAL motion
- Publication
Proceedings of the Romanian Academy, Series A: Mathematics, Physics, Technical Sciences, Information Science, 2022, Vol 23, Issue 3, p267
- ISSN
1454-9069
- Publication type
Article