Heat and mass transfer from truncated cones with variable wall temperature and concentration in the presence of chemical reaction effects

Abstract

Purpose

The purpose of this paper is to solve the problem of steady, laminar, coupled heat and mass transfer by MHD natural convective boundary‐layer flow over a permeable truncated cone with variable surface temperature and concentration in the presence of thermal radiation and chemical reaction effects.

Design/methodology/approach

The governing equations are derived and transformed into a set of non‐similar equations which are then solved by an adequate implicit finite difference method.

Findings

It is found that the presence of thermal radiation, magnetic field and chemical reaction have significant effects on the rates of heat and mass transfer. The variation of the wall temperature and concentration exponent contribute to significant changes in the Nusselt and Sherwood numbers as well.

Originality/value

The titled problem with the various considered effects has not been solved before and it is of special importance in various industries. The problem is original.

Citation

Chamkha, A.J., Rashad, A.M. and Al‐Mudhaf, H.F. (2012), "Heat and mass transfer from truncated cones with variable wall temperature and concentration in the presence of chemical reaction effects", International Journal of Numerical Methods for Heat & Fluid Flow, Vol. 22 No. 3, pp. 357-376. https://doi.org/10.1108/09615531211208060