Open AccessNumerical Analysis of MHD Stagnation Point Flow Towards a Radially Stretching Convectively Heated Disk
Publication year - 2020
Publication title -
international journal of energy
Language(s) - English
Resource type - Journals
ISSN - 1998-4316
DOI - 10.46300/91010.2020.14.9
Subject(s) - stagnation point , mechanics , stagnation pressure , magnetohydrodynamics , stagnation temperature , boundary layer , perpendicular , momentum (technical analysis) , flow (mathematics) , magnetic field , dissipation , laminar flow , physics , compressibility , classical mechanics , materials science , heat transfer , thermodynamics , geometry , mathematics , mach number , finance , quantum mechanics , economics
The steady stagnation point flow and heat transferof an electrically conducting incompressible viscous fluid isextended to the case where the disk surface is convectivelyheated and radially stretching. The fluid is subjected to anexternal uniform magnetic field perpendicular to the planeof the disk. The governing momentum and energy balanceequations give rise to non-linear boundary value problem.Using a spectral relaxation method with a Chebyshev spectralcollocation method, the numerical solutions are obtained overthe entire range of the physical parameters. Emphasis hasbeen laid to study the effects of viscous dissipation and Jouleheating on the thermal boundary layer. Pertinent results on theeffects of various thermophysical parameters on the velocityand temperature fields as well as local skin friction and localNusselt number are discussed in detail and shown graphicallyand/or in tabular form.