Abstract
Numerical study of forced convection heat transfer and fluid flow in laminar flow regime for a circular cylinder attached by three control rods is performed using the overset grid method. The aim of this work is evaluation of the control rods performance placed in equilateral triangular arrangements in suppressing vortex induced vibration of a primary cylinder. The influence of the dimensionless parameters including attach angle α, spacing ratio G/D, and Reynolds number on the hydrodynamic forces of the primary cylinder is also investigated. The unsteady flow at Reynolds number of 200 and prandtl numbers of 0.7 and 7.0 is considered. In order to discretize the governing equations, a finite volume code based on the SIMPLEC algorithm is employed. Moreover, the local and mean Nusselt numbers are presented to illustrate the heat transfer characteristics of the primary cylinder and surrounding rods.
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Recommended by Associate Editor Shin Hyung Rhee
Somayeh Harimi is currently Ph.D. student at Department of Applied Chemistry, Arak Branch, Islamic Azad University, Arak, Iran. She has interest in research on topics such as computational fluid dynamics, flow control and heat transfer (Somayehharimi@gmail.com).
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Harimi, S., Marjani, A. & Moradi, S. Numerical simulation of fluid flow and forced convection heat transfer around a circular cylinder with control rods located in equilateral triangular arrangement. J Mech Sci Technol 30, 4239–4246 (2016). https://doi.org/10.1007/s12206-016-0836-8
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DOI: https://doi.org/10.1007/s12206-016-0836-8