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- Title
Mixed convection in a horizontal rectangular duct heated from below.
- Authors
Abid, C.; Medale, M.; Papini, F.; Cerisier, P.
- Abstract
This paper deals with a mixed convection flow in a horizontal rectangular duct of transversal aspect ratio close to two, uniformly heated from below and thermally insulated elsewhere. The working fluid is water (Pr = 6) and the Reynolds number associated with the main flow is small (Re = 20). The heat flux supplied to the wall induces a secondary flow which manifests itself through natural convective rolls. This study has been conducted simultaneously via two ways: an experimental approach which enables us to investigate a large range of the two main control parameters (Reynolds and Rayleigh numbers) and a numerical analysis which permits us to obtain detailed local and global descriptions of the fluid flow and heat transfer throughout the whole computational domain.
- Subjects
HEAT convection; HEAT flux; HEAT transfer; REYNOLDS number; RAYLEIGH number
- Publication
International Journal of Low Carbon Technologies, 2006, Vol 1, Issue 3, p236
- ISSN
1748-1317
- Publication type
Article
- DOI
10.1093/ijlct/1.3.236