Unsteady MHD convective heat and mass transfer past a semi-infinite vertical permeable moving plate with heat absorption

作者: Ali J. Chamkha

DOI: 10.1016/S0020-7225(03)00285-4

关键词:

摘要: The problem of unsteady, two-dimensional, laminar, boundary-layer flow a viscous, incompressible, electrically conducting and heat-absorbing fluid along semi-infinite vertical permeable moving plate in the presence uniform transverse magnetic field thermal concentration buoyancy effects is considered. assumed to move with constant velocity direction while free stream follow exponentially increasing small perturbation law. Time-dependent wall suction occur at surface. dimensionless governing equations for this investigation are solved analytically using two-term harmonic non-harmonic functions. obtained analytical results reduce previously published on special case problem. Numerical evaluation performed some graphical velocity, temperature profiles within boundary layer tabulated skin-friction coefficient, Nusselt number Sherwood presented discussed.

参考文章(24)
A. Raptis, N. Kafousias, Heat transfer in flow through a porous medium bounded by an infinite vertical plate under the action of a magnetic field International Journal of Energy Research. ,vol. 6, pp. 241- 245 ,(1982) , 10.1002/ER.4440060305
K. Vajravelu, J. Nayfeh, HYDROMAGNETIC CONVECTION AT A CONE AND A WEDGE International Communications in Heat and Mass Transfer. ,vol. 19, pp. 701- 710 ,(1992) , 10.1016/0735-1933(92)90052-J
W. J. Minkowycz, P. Cheng, Chong Hyuck Chang, Mixed Convection about a Nonisothermal Cylinder and Sphere in a Porous Medium Numerical Heat Transfer Part A-applications. ,vol. 8, pp. 349- 359 ,(1985) , 10.1080/01495728508961859
J.C. Hsieh, T.S. Chen, B.F. Armaly, Nonsimilarity solutions for mixed convection from vertical surfaces in porous media: variable surface temperature or heat flux International Journal of Heat and Mass Transfer. ,vol. 36, pp. 1485- 1493 ,(1993) , 10.1016/S0017-9310(05)80059-6
T. K. Aldoss, M. A. Al-Nimr, M. A. Jarrah, B. J. Al-Sha'er, MAGNETOHYDRODYNAMIC MIXED CONVECTION FROM A VERTICAL PLATE EMBEDDED IN A POROUS MEDIUM Numerical Heat Transfer Part A-applications. ,vol. 28, pp. 635- 645 ,(1995) , 10.1080/10407789508913766
A. Nakayama, H. Koyama, A General Similarity Transformation for Combined Free and Forced-Convection Flows Within a Fluid-Saturated Porous Medium Journal of Heat Transfer-transactions of The Asme. ,vol. 109, pp. 1041- 1045 ,(1987) , 10.1115/1.3248180