Natural convection in a reservoir sidearm subject to solar radiation: a two-dimensional simulation

Lei, Chengwang, and Patterson, John C. (2002) Natural convection in a reservoir sidearm subject to solar radiation: a two-dimensional simulation. Numerical Heat Transfer, Part A, Applications, 42 (1 & 2). pp. 13-32.

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Abstract

The natural convection in a reservoir sidearm subject to solar radiation is investigated numerically. It is revealed that the flow development from an isothermal and stationary state passes through three distinct stages, namely, an initial stage dominated by bottom heating due to the absorption of penetrative radiation there, a transitional stage characterized by the onset of convective instability in a form of rising plumes, and a quasi-steady stage evidenced by a quasi-steady large-scale circulation across the sidearm, which is maintained by a distinct horizontal temperature gradient. The numerical results agree qualitatively with those of a model experiment.

Item ID: 13648
Item Type: Article (Refereed Research - C1)
Keywords: buoyancy; fluid dynamics; natural convection; numerical simulation
ISSN: 1040-7782
Date Deposited: 20 Dec 2010 02:09
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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