Mixed convection aiding flow in a vertical porous annulus-two temperature model

International Conference on Advances in Materials and Manufacturing Applications 2016

Salman Ahmed, N.J.^1 ; Aaal-Rashed, Abdullah A^3 ; Kamangar, Sarfaraz^2 ; Khaleed, H.M.T.^2 ; Yunuskhan, T.M.^2,4 ; Athani, Abdulgaphur^5,6

Center for Energy Sciences, Dept. of Mechanical Engineering, University of Malaya, Kuala Lumpur

50603, Malaysia^1

Dept. of Mechanical Engineering, University of Malaya, Kuala Lumpur

50603, Malaysia^2

Dept. of Automotive and Marine Engineering Technology, College of Technological Studies, Public Authority for Applied Education and Training, Kuwait^3

Dept. of Mechanical Engineering, BVB College of Engineering and Technology, Hubli, India^4

Dept of Mechanical Engineering, Faculty of Engineering, Islamic University, Madinah Munawwarra, Saudi Arabia^5

Anjuman Institute of Technology and Management, Bhatkal, Karnataka

581320, India^6

关键词: Annular cylinders;    Constant temperature;    Convective heat transfer;    Fluid-saturated porous medium;    Inner surfaces;    Mixed convection flow;    Thermal non-equilibrium;    Two Temperature Model;   

Others  :  https://iopscience.iop.org/article/10.1088/1757-899X/149/1/012213/pdf
DOI  :  10.1088/1757-899X/149/1/012213

来源: IOP

【 摘 要 】

The effect of convective heat transfer on mixed convection flow in a vertical porous annulus embedded with fluid saturated porous medium for aiding flow is studied. The inner surface of the annular cylinder is heated with constant temperature whereas the outer surface remains at ambient temperature. The governing partial differential equations are solved using Finite Element Method (FEM). It is assumed that the Darcy law is applicable and thermal nonequilibrium TNE exists between solid and fluid phases of porous medium. The aiding flow behavior of heat transfer with respect to Radius ratioRr, Aspect ratio ArandRadiation parameter Rd for different values of Peclet number Peare investigated.