Eventos Anais de eventos
COBEM 2017
24th ABCM International Congress of Mechanical Engineering
Three-dimensional numerical study of staggered finned circular and elliptic tubes in forced convection
Submission Author:
Marcus Vinicius Alves Pereira , PR
Co-Authors:
JOSÉ VIRIATO COELHO VARGAS, jeferson Avila Souza, rudmar matos, Marcus Vinicius Alves Pereira
Presenter: jeferson Avila Souza
doi://10.26678/ABCM.COBEM2017.COB17-1401
Abstract
In this study, a three-dimensional (3-D) numerical heat transfer investigation was performed in a bundle of finned or non-finned tubes for a given volume and a given external laminar forced flow. Both circular and elliptic tubes geometry, for a general staggered configuration in laminar regime, were investigated. The optimization procedure started by recognizing the design limited space availability as a fixed volume constraint. The finite volume method was used to discretize the fluid flow and heat transfer governing equations. OpenFOAM, an open-source computational fluid dynamics (CFD) code, was used in all simulations. Results identified a numerical geometric optimization for maximum heat transfer. A relative heat transfer gain and a pressure drop reduction were also observed in the optimal elliptic arrangement in comparison to the circular one. All obtained results were validated by direct comparison with previous numerical and experimental studies found in literature.
Keywords
