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Deflection of wall-jets in ventilated enclosures described by pressure distribution
Centre for Built Environment, Royal Institute of Technology, Gävle, Sweden .ORCID-id: 0000-0002-9392-424x
1998 (engelsk)Inngår i: Building and Environment, ISSN 0360-1323, E-ISSN 1873-684X, Vol. 34, nr 3, s. 329-333Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

The pressure field in fluid systems reflects the flow configuration. Measurements of the pressure along the perimeter of a slot ventilated room have been conducted for different room sizes. The momentum of the jet at the end of the room is decreased with increasing room length. The impingement region (region where the influence of the opposing wall is present) starts, independent of room size, when the distance from the supply device is about 70% of the room length. Corner flows could not be predicted by CFD using the linear eddy viscosity or standard stress models. However, these effects may be captured by using a second moment closure turbulence model with a new near wall approach now available in literature.

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1998. Vol. 34, nr 3, s. 329-333
Emneord [en]
Jets; Mathematical models; Pressure distribution; Pressure measurement; Turbulence; Ventilation; Viscosity of gases
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Identifikatorer
URN: urn:nbn:se:hig:diva-17852DOI: 10.1016/S0360-1323(98)00030-4ISI: 000077345200010Scopus ID: 2-s2.0-0345369444OAI: oai:DiVA.org:hig-17852DiVA, id: diva2:761860
Tilgjengelig fra: 2014-11-09 Laget: 2014-11-09 Sist oppdatert: 2018-03-22bibliografisk kontrollert

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