Heat and energy transfer from a cylinder placed in an oscillatory low-Reynolds number flow

Bolló, Betti and Baranyi, László (2012) Heat and energy transfer from a cylinder placed in an oscillatory low-Reynolds number flow. In: Conference on Modelling Fluid Flow (CMFF’12) : The 15th International Conference on Fluid Flow Technologies. Budapest University of Technology and Economics, Budapest, pp. 261-268. ISBN 9789630845885

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Abstract

Heat transfer characteristics of a circular cylinder exposed to an oscillating flow are investigated numerically using the commercial software package Ansys Fluent based on the finite volume method (FVM). For in-line oscillation the influence of oscillation amplitude and temperature are analyzed at Reynolds number 120 and for frequency ratio 0.8 in the lock-in domain. For transverse motion the influence of temperature on force coefficients and heat transfer is investigated for Re=100, 120, 140, 160 and 180 and at four oscillation amplitude values at frequency ratio 0.8. Force coefficients, mechanical energy transfer and heat transfer are investigated for these cases.

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