THERMAL SCIENCE

International Scientific Journal

RADIATION AND CHEMICAL REACTION EFFECTS ON ISOTHERMAL VERTICAL OSCILLATING PLATE WITH VARIABLE MASS DIFFUSION

ABSTRACT
The unsteady flow of a viscous incompressible flow past an infinite isothermal vertical oscillating plate, in the presence of thermal radiation and homogeneous chemical reaction of first order has been studied. The fluid considered here is a gray, absorbing-emitting radiation but a non-scattering medium. The plate temperature is raised to Tw and the concentration level near the plate is raised linearly with respect to time. An exact solution to the dimensionless governing equations has been obtained by the Laplace transform method, when the plate is oscillating harmonically in its own plane. The effects of velocity, temperature, and concentration are studied for different physical parameters like phase angle, radiation parameter, chemical reaction parameter, Schmidt number, thermal Grashof number, mass Grashof number, and time are studied graphically. It is observed that the velocity increases with decreasing phase angle wt.
KEYWORDS
PAPER SUBMITTED: 2007-10-27
PAPER REVISED: 2008-06-21
PAPER ACCEPTED: 2008-09-01
DOI REFERENCE: https://doi.org/10.2298/TSCI0902155M
CITATION EXPORT: view in browser or download as text file
THERMAL SCIENCE YEAR 2009, VOLUME 13, ISSUE 2, PAGES [155 - 162]
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© 2019 Society of Thermal Engineers of Serbia. Published by the Vinča Institute of Nuclear Sciences, Belgrade, Serbia. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution-NonCommercial-NoDerivs 4.0 International licence