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Experimental and numerical study of local mean age of air

Bartak, M. and Cermak, M. and Clarke, J.A. and Denev, J. and Drkal, F. and Lain, M. and Macdonald, I. and Majer, M. and Stankov, P. (2001) Experimental and numerical study of local mean age of air. In: Proceedings of the 7th International Building Performance Simulation Association Conference. IBPSA. ISBN 85-901939-3-4

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Abstract

This paper presents the results from the experimental and numerical study of a room with mixing ventilation, focused on the local mean age of air (LMA). The measurements were performed using the tracer gas concentration decay method. The numerical predictions were obtained from the computational fluid dynamics (CFD) module of the latest version of the ESP-r software.