Determination of the Air Change Rate for Natural Ventilation with Regard to Energy Efficiency and Building Physics

Gritzki R. , Seifert J. , Richter W. , Rösler M.
air change, computational fluid dynamics, ventilation efficiency, natural ventilation
Year:
2004
Bibliographic info:
RoomVent 2004, 9th international conference in University of Coimbra - Portugal, 5-8th september 2004, pp 6, 12 Fig., 9 Ref.

The air exchange in a room with different windows and window geometries is investigated. The aim is to get reliable data for the air change rate and the air exchange efficiency for natural ventilation. Before using a CFD program for the calculations experimental studies have been carried out. In order to meet different demands we distinguish between short time and continuous ventilation. The results are availabe as figures, graphs or approximate equations.

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