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- W77457544 abstract "This paper is directed toward a study of the interaction between a freely rising thermal plume and an unheated vertical surface in close proximity. The relevant heat transfer mechanisms are of interest in a wide variety of problems, such as cooling of electronic equipment, room fires, natural convection flow within a cavity with localized heating and many others. A numerical and experimental study of the problem is carried out. Since the temperature and velocity gradients are expected to be large, particularly near the thermal source, the full governing equations have to be solved. Also, the boundary conditions imposed at the leading edge of the vertical plate are expected to affect the nature of the flow and the interaction very strongly. The full governing equations are solved numerically by finite difference methods in the vorticity-stream function formulation. The important physical parameters in the problem are the strength of the heat source and the distance of the heat source from the vertical wall. The flow is found to be strongly deflected towards the vertical surface. Nonboundary layer effects are found to decay downstream and the flow characteristics to gradually approach those of a wall plume resulting from a line heat source. Finally,more » a preliminary experimental investigation is carried out to characterize the nature of the interaction. The flow is visualized by means of a shadowgraph and the temperature field is measured in the interaction region, downstream of the source. Numerically predicted and experimentally obtained temperature profiles show similar trends.« less" @default.
- W77457544 created "2016-06-24" @default.
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- W77457544 date "1985-01-01" @default.
- W77457544 modified "2023-09-28" @default.
- W77457544 title "A study of the interaction of a two-dimensional natural convection wake with a vertical surface" @default.
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