Entropy Generation Analysis for Variable Thermal Conductivity MHD Radiative Nanofluid Flow through Channel
Publish place: Journal of Applied Fluid Mechanics، Vol: 9، Issue: 3
Publish Year: 1395
نوع سند: مقاله ژورنالی
زبان: English
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شناسه ملی سند علمی:
JR_JAFM-9-3_011
تاریخ نمایه سازی: 3 بهمن 1400
Abstract:
The present work inspects the entropy generation on radiative heat transfer in the flow of variable thermal conductivity optically thin viscous Cu–water nanofluid with an external magnetic field through a parallel isothermal plate channel. Our approach uses the power series from the governing non-linear differential equations for small values of thermal conductivity variation parameter which are then analysed by various generalizations of Hermite- Padé approximation method. The influences of the pertinent flow parameters on velocity, temperature, thermal conductivity criticality conditions and entropy generation are discussed quantitatively both numerically and graphically. A stability analysis has been performed for the rate of heat transfer which signifies that the lower solution branch is stable and physically acceptable, whereas the upper solution branch is unstable.
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Authors
Md. S. Alam
Department of Mathematics, Jagannath University, Dhaka-۱۱۰۰, Bangladesh
M. A. Alim
Department of Mathematics, Bangladesh University of Engineering and Technology, Dhaka-۱۰۰۰, Bangladesh
M. A. H. Khan
Department of Mathematics, Bangladesh University of Engineering and Technology, Dhaka-۱۰۰۰, Bangladesh