Natural convection from multiple horizontal cylinders arranged side by side

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Cianfrini, C.
Corcione, M.
Habib, E.

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International Conference on Heat Transfer, Fluid Mechanics and Thermodynamics

Abstract

Paper presented at the 5th International Conference on Heat Transfer, Fluid Mechanics and Thermodynamics, South Africa, 1-4 July, 2007.
Steady laminar free convection in air from a row of parallel circular cylinders, is studied numerically. SIMPLE-C algorithm is used for the solution of the mass, momentum, and energy transfer governing equations. Simulations are performed for 10- cylinder assemblies with inter-cylinder spacings from 0.6 to 5 cylinder-diameters and Rayleigh numbers from 101 to 105. It is found that the thermal performance of the whole assembly increases as the Rayleigh number increases, and has a peak at an optimum separation distance among the cylinders which decreases with increasing the Rayleigh number.

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Keywords

Steady laminar free convection in air, SIMPLE-C algorithm, Thermal performance of steady laminar free convection in parallel circular cylinder, Natural convection

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Citation

Cianfrini, C, Corcione, M & Habib, E 2007, 'Natural convection from multiple horizontal cylinders arranged side by side', Paper presented to the 5th International Conference on Heat Transfer, Fluid Mechanics and Thermodynamics, South Africa, 1-4 July 2007.