Mixed Convection Flow Along a Horizontal Circular Cylinder with Small Amplitude Oscillation in Surface Temperature and Free Stream

Md. Kamrujjaman, Md. Anwar Hossain, Jahrul Alam


The problem is considered on mixed convection flow due to the effect of small amplitude oscillations of a viscous incompressible fluid along a horizontal circular cylinder. Direct implicit finite-difference scheme is employed to solve the dimensionless system of partial differential equations. In case of steady flow, the solutions are presented as functions of the curvature parameter X on the entire surface of the cylinder and there is a visual comparison with the existing result. For fluctuating flow, considering Prandtl number, Pr=1.0, the results are shown graphically in terms of amplitude and phase of the Nusselt number for different values of buoyancy parameter Lambda. Due to the effect of Lambda and frequency parameter omega, streamlines and isotherms as well as transient shear stress and heat transfer are illustrated in the interplay of study.

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DOI: http://dx.doi.org/10.5539/mer.v6n2p34

Copyright (c) 2016 Md. Kamrujjaman, Md. Anwar Hossain, Jahrul Alam

Mechanical Engineering Research   ISSN 1927-0607 (Print)   ISSN 1927-0615 (Online)   Email: mer@ccsenet.org

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