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Unsteady natural convection in tall side-heated cavities

✍ Scribed by S. Armfield; A. Schultz

Publisher
John Wiley and Sons
Year
2002
Tongue
English
Weight
746 KB
Volume
40
Category
Article
ISSN
0271-2091

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✦ Synopsis

Abstract

A finite‐volume scheme is used to simulate super‐critical natural convection flow in a side‐heated cavity with height/width aspect ratio of eight. The flow is unsteady with travelling waves circulating around the cavity in the flow direction. Results on a range of grids with QUICK and central difference advection discretizations show that a very fine grid is required to ensure a converged solution is obtained. A linear parallel stability analysis has been carried out and it is shown that the basic wave structure of the flow is well predicted. Copyright Β© 2002 John Wiley & Sons, Ltd.

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Two-dimensional numerical simulations of laminar natural convection in a partially cooled, differentially heated inclined cavities are performed. One of the cavity walls is entirely heated to a uniformly high temperature (heat source) while the opposite wall is partially cooled to a lower temperatur