Journal
PHYSICS LETTERS A
Volume 348, Issue 3-6, Pages 172-179Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.physleta.2005.01.101
Keywords
stretching surfaces; radiation; thermal diffusivity; variable heat flux
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The effect of radiation and thermal diffusivity on heat transfer over a stretching surface with variable heat flux has been studied. The thermal diffusivity is assumed to vary as a linear function of temperature. The governing partial differential equations have been transformed to ordinary differential equations. The exact analytical solution for the velocity and the numerical solution for the temperature field are given. Numerical solutions are obtained for different values of variable thermal diffusivity, radiation, temperature parameter and Prandtl number. (c) 2005 Elsevier B.V. All rights reserved.
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