Second law analysis in MHD flow and heat transfer of a rotating Casson fluid over a stretching surface

Jain, Shalini ; Choudhary, Rakesh

Abstract

Second law analysis in three-dimensional MHD boundary layer flow and heat transfer of a rotating Casson fluid over a stretching surface has been investigated. Such flow problems have relevance in extraction and manufacturing of rubber and polymer sheets. Solution of these problems is of great interest as they serve a practical purpose. Partial differential equations governing flow and heat transfer have been transformed into non-linear ordinary differential equations by using suitable similarity transformations. These non-linear differential equations have been solved numerically by using shooting techniques with fourth order Runge-Kutta method. Effects of Casson fluid parameter β, rotation parameter λ, Prandtl number Pr and magnetic field parameter M on velocity profile, temperature profile and skin friction number have been analyzed and depicted through graphs and tables. Entropy generation number and Bejan number have also been obtained and discussed.

Keyword(s)

Rotating Casson fluid; Heat transfer; Stretching surface; Entropy generation; Runge-Kutta method

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