Theoretical investigation of entropy generation effects in nanofluid flow over an inclined stretching cylinder Online publication date: Mon, 25-Feb-2019
by Adnan Saeed Butt; M. Nazim Tufail; Asif Ali; Amanullah Dar
International Journal of Exergy (IJEX), Vol. 28, No. 2, 2019
Abstract: Laminar incompressible boundary layer flow and heat transfer of nanofluid over an inclined stretching cylinder is considered and the entropy effects are theoretically examined during the phenomena. The problem is mathematically modelled and nonlinear partial differential equations are attained. With the help of suitable similarity transformations, these partial differential equations are transformed into nonlinear ordinary differential equations which are numerically solved by utilising shooting technique with fourth-fifth order Runge-Kutta method. The results obtained are compared with the previously existing literature by considering certain limiting cases. The influence of physical parameters on flow, heat transfer and concentration of nanoparticles are analysed qualitatively with the use of graphs and tables. Furthermore, the impact of various physical parameters on local entropy generation number and averaged entropy generation number are also presented through graphs. A detailed comprehensive study has been carried out of the problem.
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