MHD boundary-layer flow of a non-Newtonian fluid over a continuously moving surface with a parallel free stream

Authors
Citation
M. Kumari et G. Nath, MHD boundary-layer flow of a non-Newtonian fluid over a continuously moving surface with a parallel free stream, ACT MECHAN, 146(3-4), 2001, pp. 139-150
Citations number
28
Categorie Soggetti
Mechanical Engineering
Journal title
ACTA MECHANICA
ISSN journal
00015970 → ACNP
Volume
146
Issue
3-4
Year of publication
2001
Pages
139 - 150
Database
ISI
SICI code
0001-5970(2001)146:3-4<139:MBFOAN>2.0.ZU;2-G
Abstract
The MHD flow and heat transfer of a non-Newtonian power-law fluid over a co ntinuously moving surface with a parallel free stream have been investigate d. The partial differential equations governing the non-similar flow have b een solved numerically using an implicit finite-difference scheme. The skin friction and heat-transfer coefficients increase with the magnetic paramet er and they are more for the pseudoplastic fluid than for the dilatant flui d. The heat-transfer coefficient increases significantly with the Prandtl n umber. The gradient of the velocity at the surface is negative when the wal l velocity is greater than the free stream velocity, and it is positive whe n the wall velocity is less than the free stream velocity.