期刊
CASE STUDIES IN THERMAL ENGINEERING
卷 27, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.csite.2021.101257
关键词
Hybrid nanofluid; Porous medium; Heat source; Magnetohydrodynamic; Runge-Kutta method
资金
- Scientific Research Deanship at University of Ha'il, Ha'il, Saudi Arabia [RG-20 081]
The research theoretically analyzed the heat transfer enhancement of hybrid nanofluids flowing through a porous medium in the presence of a magnetic field. The results showed that the flow speed increases with the Maxwell fluid parameter, while the increasing strength of the magnetic field and porosity resistance slows down the flow but causes a rise in temperature. Additionally, the additive volume fraction of silver with Graphene oxide helps decelerate the flow and enhance heat transportation.
An analysis for heat transfer enhancement of Graphene oxide (Go)/Kerosene oil and Go + silver (Ag)/Kerosene oil hybrid nanofluid is made theoretically when the fluids flow through a porous medium over a stretching sheet in the presence of an applied magnetic field. The heat energy is augmented with thermal dissipation, heat source, and convective boundary conditions. The mass transpiration at the wall of the sheet is taken into account. The model equations are transmuted to ordinary differential form. The roles of controlling parameters are observed numerically by hiring Runge-Kutta method in Matlab coding. The flow speed becomes faster with Maxwell fluid parameter. The growing strengths of magnetic field and porosity resistance make the flow slower but cause to raise in temperature. Further, the additive volume fraction of silver with Graphene oxide becomes responsible to decelerate the flow and enhance heat transportation. The skin friction factor declines in magnitude against exceeding inputs of magnetic characteristic parameter M and porosity parameter K-p.
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