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Article

Axisymmetric Stagnation-Point Flow and Heat Transfer of a Viscous Fluid on a Moving Cylinder With Time-Dependent Axial Velocity and Uniform Transpiration

[+] Author and Article Information
R. Saleh

Faculty of Engineering, Azad Univ., Mashhad, Iran

A. B. Rahimi

P.O. Box No. 91775-1111, Faculty of Engineering, Ferdowsi University of Mashhad, Mashhad, Iran

J. Fluids Eng 126(6), 997-1005 (Mar 11, 2005) (9 pages) doi:10.1115/1.1845556 History: Received October 31, 2002; Revised November 12, 2003; Online March 11, 2005
Copyright © 2004 by ASME
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Figures

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Schematic diagram of an axially moving cylinder under radial stagnation flow in the fixed cylindrical coordinate system (r,φ,z)
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Sample profiles of, (a) h(η), (b) axial shear-stress parameter, for cylinder with accelerating and decelerating exponential axial velocity for selected values of suction and blowing rates
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Sample profiles of h1(η) and h2(η) for cylinder with (a) axial harmonic oscillation, (b) accelerating and decelerating oscillatory motion for selected values of α, β and suction rates
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Real part of axial shear-stress at z=0 for cylinder with (a) harmonic oscillation for β=0, 1, (b) accelerating and decelerating oscilllatory motion for α=−1, 0, 2, and β=1, for selected values of suction rates
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Sample profiles of H(η,τ) for (a) step-function, (b) linear function, for selected values of time steps
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Sample profiles of θ(η) for, (a) wall temperature, (b) wall heat flux, varying exponentialy with time, for Re=10, Pr=1, and s=0, 1, −0.8
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Sample profiles of θ1(η) and θ2(η) for, (a) wall temperature, (b) wall heat flux, varying harmonically with time, for Re=10, Pr=1, and selected values of suction and blowing rates
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Sample profiles of θ1(η) and θ2(η) for, (a) wall temperature, (b) wall heat flux, varying with accelerating and decelerating oscillatory function of time, for Pr=1, and Re=10, and s=0, and selected values of γ and δ
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Sample profiles of θ1(η) and θ2(η) for, (a) wall temperature, (b) wall heat flux, varying with accelerating oscillatory function of time, for Re=1, 10, 100, and Pr=0.1, 1.0, 10, and s=0, and γ=0.5, 1 and δ=1

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