Buoyancy-induced heat transfer from an inclined tube-array
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Date
Authors
Cianfrini, C.
Corcione, M.
Habib, E.
Journal Title
Journal ISSN
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Publisher
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.
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Steady laminar free convection in air from an inclined array 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 tube-arrays consisting of 3 to 7 cylinders equally-spaced at a center-to-center separation distance of 2 cylinder-diameters, tilting angles from 0° to 90° (which correspond to the vertical and horizontal settings, respectively), and Rayleigh numbers in the range between 102 and 106. It is found that the thermal performance of the whole array increases (a) with increasing both the Rayleigh number and the tilting angle, and (b) as the number of cylinders either decreases at small inclinations or increases at large inclinations.
No abstract available, please open full text article
Steady laminar free convection in air from an inclined array 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 tube-arrays consisting of 3 to 7 cylinders equally-spaced at a center-to-center separation distance of 2 cylinder-diameters, tilting angles from 0° to 90° (which correspond to the vertical and horizontal settings, respectively), and Rayleigh numbers in the range between 102 and 106. It is found that the thermal performance of the whole array increases (a) with increasing both the Rayleigh number and the tilting angle, and (b) as the number of cylinders either decreases at small inclinations or increases at large inclinations.
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Keywords
Steady laminar free convection in air, SIMPLE-C algorithm, Thermal performance of the inclined array of parallel circular cylinders, Buoyancy-induced heat transfer
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Citation
Cianfrini, C, Corcione, M & Habib, E 2007, 'Buoyancy-induced heat transfer from an inclined tube-array', Paper presented to the 5th International Conference on Heat Transfer, Fluid Mechanics and Thermodynamics, South Africa, 1-4 July 2007