Lei, Chengwang, and Patterson, John C. (2003) A direct three-dimensional simulation of radiation-induced natural convection in a shallow wedge. International Journal of Heat and Mass Transfer, 46 (7). pp. 1183-1197.

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Abstract

A three-dimensional numerical simulation is carried out to investigate the natural convection in a shallow wedge subject to solar radiation. The study reveals three distinct stages of the flow development from an isothermal and stationary state: an initial stage, a transitional stage and a quasi-steady stage. The heat transfer at the initial stage is dominated by conduction from the sloping bottom. The transitional stage starts with the onset of instabilities, and the quasi-steady state is characterised by steady growth of a spatially averaged temperature. The present results have confirmed the earlier observations in a flow visualisation experiment and a two-dimensional simulation.

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