Oscillations of the horizontal intrusion in a side-heated cavity

Xu, F., Patterson, J.C., and Lei, C. (2004) Oscillations of the horizontal intrusion in a side-heated cavity. In: Proceedings of the Fifteenth Australasian Fluid Mechanics Conference 2004. From: Fifteenth Australasian Fluid Mechanics Conference 2004, 13-17 December 2004, Sydney, NSW, Australia.

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Abstract

In this study, a two dimensional numerical simulation of natural convection in a side-heated cavity is carried out. The evolution of the hot horizontal intrusion is observed and its physical properties are described. The results show that after the hot intrusion reaches the cold wall, due to the hot fluid accumulation and the associated buoyancy effect in the cold top corner, a flow opposing the cold boundary layer flow firstly appears and then forms a local circulation. This circulation then moves back to the hot wall, and eventually a cavity-scale oscillation is formed between the hot and cold walls underneath the ceiling of the cavity.

Item ID: 10080
Item Type: Conference Item (Research - E1)
ISBN: 978-1-86487-695-6
Keywords: buoyancy; differential heating; natural convection; simulations
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Funders: Australian Research Council
Date Deposited: 19 Jul 2010 03:59
FoR Codes: 09 ENGINEERING > 0915 Interdisciplinary Engineering > 091504 Fluidisation and Fluid Mechanics @ 50%
09 ENGINEERING > 0915 Interdisciplinary Engineering > 091505 Heat and Mass Transfer Operations @ 50%
SEO Codes: 97 EXPANDING KNOWLEDGE > 970109 Expanding Knowledge in Engineering @ 100%
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