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Please use this identifier to cite or link to this item: http://repositorio.lnec.pt:8080/jspui/handle/123456789/17940
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dc.contributor.authorViegas, J.pt_BR
dc.contributor.editorElsevierpt_BR
dc.date.accessioned2010-02-15T12:13:31Zpt_BR
dc.date.accessioned2010-04-21T15:14:13Zpt_BR
dc.date.accessioned2014-10-10T09:18:30Zpt_BR
dc.date.accessioned2016-06-21T10:01:00Z-
dc.date.available2010-02-15T12:13:31Zpt_BR
dc.date.available2010-04-21T15:14:13Zpt_BR
dc.date.available2014-10-10T09:18:30Zpt_BR
dc.date.available2016-06-21T10:01:00Z-
dc.date.issued2009-09-13pt_BR
dc.identifier.citationTunnelling and Underground Space Technology 25pt_BR
dc.identifier.urihttps://repositorio.lnec.pt/jspui/handle/123456789/17940-
dc.description.abstractImpulse ventilation systems (IVS) are used to provide ventilation for covered car parks and to control the smoke in the event of fire. In this paper the interaction between the fire ceiling jet and the flow driven by jet fans is studied using CFD simulations. A sensitivity analysis considering important parameters as position and intensity of fire source, transversal distance between jet fans, restriction of exhaust flow rate and dimension of car park exhaust opening is carried out and rules for the design of 50 N thrust jet fans are deduced. An analytical model for the flow field near the ceiling is developed and compared with CFD simulations. This model is intended to support a first approach of the design of IVS. 2009 Elsevier Ltd. All rights reserved.pt_BR
dc.format.extent1478690 bytespt_BR
dc.format.mimetypeapplication/pdfpt_BR
dc.language.isoengpt_BR
dc.publisherElsevierpt_BR
dc.relation.ispartofseriesVol. 25pt_BR
dc.rightsrestrictedAccesspt_BR
dc.subjectImpulse ventilationpt_BR
dc.subjectCovered car parkpt_BR
dc.subjectJet fanpt_BR
dc.subjectSmoke controlpt_BR
dc.subjectCfdpt_BR
dc.titleThe use of impulse ventilation for smoke control in underground car parkspt_BR
dc.typeworkingPaperpt_BR
dc.description.figures17pt_BR
dc.description.pages42-53pppt_BR
dc.description.sectorDED/NAICIpt_BR
Appears in Collections:DED/NAICI - Comunicações a congressos e artigos de revista

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