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The control of naturally ventilated buildings subject to wind and buoyancy

Lishman, B; Woods, AW; (2006) The control of naturally ventilated buildings subject to wind and buoyancy. Journal of Fluid Mechanics , 557 451 - 471. 10.1017/S0022112006009931.

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Abstract

The competition between wind and buoyancy forces acting on a naturally ventilated building with one upwind and one downwind opening and a distributed heat source can lead to multiple steady states. This study considers the impact of a second downwind opening on the existence of these multiple steady states. It is found that if this new opening exceeds a critical area, then the multiple steady states are eliminated, and the transition from buoyancy to wind dominated flow is continuous. This critical area is shown to be a function of the relative heights of the three windows. The predictions of the model are in accord with new laboratory experiments, and the implications for building design are discussed.

Type: Article
Title: The control of naturally ventilated buildings subject to wind and buoyancy
DOI: 10.1017/S0022112006009931
Publisher version: http://dx.doi.org/10.1017/S0022112006009931
Language: English
Additional information: © 2006 Cambridge University Press
Keywords: Natural ventilation, Wind, Buoyancy, Multiple Steady States
UCL classification: UCL > School of BEAMS > Faculty of Maths and Physical Sciences > Institute for Risk and Disaster Reduction
URI: http://discovery.ucl.ac.uk/id/eprint/1348958
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