Entropy Generation for MHD Radiative Variable Thermal Conductivity Nanofluid Flow through Porous Channel

Authors

  • Md. S. Alam Department of Mathematics, Jagannath University, Dhaka-1100, Bangladesh
  • M. A. H. Khan Department of Mathematics, Bangladesh University of Engineering and Technology, Dhaka-1000, Bangladesh
  • M. A. Alim Department of Mathematics, Bangladesh University of Engineering and Technology, Dhaka-1000, Bangladesh

Keywords:

Porous Channel, Thermal radiation, variable thermal conductivity, Nanofluid, Entropy generation, bifurcation

Abstract

The radiative heat transfer performance with viscous dissipation on entropy generation in the MHD flow of variable thermal conductivity viscous Cu–water nanofluid through a porous parallel channel is investigated in this paper. The governing non-linear differential equations are solved using power series for small values of thermal conductivity variation parameter, which are then analysed by Hermite- Padé approximation method. The effects of the physical governing flow parameters on velocity, temperature and entropy generation are discussed extensively both numerically and graphically. A stability analysis has been performed for the local rate of heat transfer which signifies that the lower solution branch is stable and physically acceptable. The entropy generation of the system increases at the two porous plates and also the fluid friction irreversibility is dominant there.

 

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Published

2016-03-17

How to Cite

S. Alam, M., H. Khan, M. A., & Alim, M. A. (2016). Entropy Generation for MHD Radiative Variable Thermal Conductivity Nanofluid Flow through Porous Channel. Science & Technology Asia, 21(1), 71–86. Retrieved from https://ph02.tci-thaijo.org/index.php/SciTechAsia/article/view/52123

Issue

Section

Engineering