Natural convection in a reservoir sidearm subject to solar radiation: experimental observations

Lei, C., and Patterson, J.C. (2002) Natural convection in a reservoir sidearm subject to solar radiation: experimental observations. Experiments in Fluids, 32 (5). pp. 590-599.

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Abstract

The natural convection in a reservoir sidearm induced by solar radiation is visualised using a shadowgraph technique. The flow visualisation reveals three stages of the flow development, namely an initial growth stage, a transitional stage and a quasi-steady stage. At the initial growth stage, a distinct thermal boundary layer grows rapidly along the sloping bottom. The transitional stage is characterised by the onset of convective instability in a form of rising plumes. At the quasi-steady state, the mean temperature across the enclosure increases steadily in time and the flow is sighted with quasi-regular presence of instabilities with reduced intensities.

Item ID: 13522
Item Type: Article (Refereed Research - C1)
Keywords: buoyancy; flow visualisation; fluid dynamics; natural convection
ISSN: 1432-1114
Date Deposited: 20 Dec 2010 02:17
FoR Codes: 09 ENGINEERING > 0915 Interdisciplinary Engineering > 091504 Fluidisation and Fluid Mechanics @ 60%
09 ENGINEERING > 0915 Interdisciplinary Engineering > 091505 Heat and Mass Transfer Operations @ 30%
09 ENGINEERING > 0915 Interdisciplinary Engineering > 091508 Turbulent Flows @ 10%
SEO Codes: 97 EXPANDING KNOWLEDGE > 970102 Expanding Knowledge in the Physical Sciences @ 80%
96 ENVIRONMENT > 9609 Land and Water Management > 960999 Land and Water Management of Environments not elsewhere classified @ 20%
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