Entropy Generation Analysis for Variable Thermal Conductivity MHD Radiative Nanofluid Flow through Channel
سال انتشار: 1395
نوع سند: مقاله ژورنالی
زبان: انگلیسی
مشاهده: 112
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شناسه ملی سند علمی:
JR_JAFM-9-3_011
تاریخ نمایه سازی: 3 بهمن 1400
چکیده مقاله:
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.
کلیدواژه ها:
نویسندگان
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