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THE HYDRAULICS OF DOORWAY EXCHANGE FLOWS.

Author(s) : DALZIEL S. B., LANE-SERFE G. F.

Type of article: Article

Summary

POINTS OUT THAT IF A DOOR IS OPENED BETWEEN ROOMS WHOSE TEMPERATURES DIFFER, THERE WILL BE AN EXCHANGE FLOW THROUGH THE DOORWAY. A TEMPERATURE DIFFERENCE OF A FEW DEGREES WILL PRODUCE A HEAT FLUX OF AROUND 1 KILOWATT. IN MODERN, < TIGHT > BUILDINGS HEAT FLUXES OF THIS ORDER ARE SIGNIFICANT. AS WELL AS HEAT, THE EXCHANGE FLOW WILL ADVECT POLLUTANTS, MAKING SUCH FLOWS IMPORTANT IN A VARIETY OF VENTILATION CONTEXTS. DESCRIBES THE BASIC FEATURES OF THE EXCHANGE FLOW THROUGH A SINGLE OPENING IN A PLANE, VERTICAL WALL SEPARATING SPACES CONTAINING FLUIDS OF DIFFERENT DENSITY. CONCENTRATES ON RECTANGULAR OPENING SUCH AS DOORWAYS AND WINDOWS.

Details

  • Original title: THE HYDRAULICS OF DOORWAY EXCHANGE FLOWS.
  • Record ID : 1992-0724
  • Languages: English
  • Source: Build. Environ. - vol. 26 - n. 2
  • Publication date: 1991

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