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Is Building Ventilation a Process of Diluting Contaminants or Delivering Clean Air?
Högskolan i Gävle, Akademin för teknik och miljö, Avdelningen för bygg- energi- och miljöteknik, Energisystem. (Energy Systems)
Högskolan i Gävle, Akademin för teknik och miljö, Avdelningen för bygg- energi- och miljöteknik, Energisystem. (Energy Systems)
Högskolan i Gävle, Akademin för teknik och miljö, Avdelningen för bygg- energi- och miljöteknik, Energisystem. (Energy Systems)ORCID-id: 0000-0002-2171-3013
2018 (engelsk)Inngår i: Excellent Indoor Climate and High Performing Ventilation / [ed] Risto Kosonen, Mervi Ahola and Jarkko Narvanne, 2018, s. 253-258Konferansepaper, Publicerat paper (Fagfellevurdert)
Abstract [en]

The purpose of the paper is to discuss the performance of air distribution systems intended for dilution of contaminants and those intended for delivery of clean air to local regions within rooms. At first the systems are distinguished by their visiting frequency behaviour. The performance of the systems with respect to their possibility to influence the concentration due to contaminants is dealt with by the concept dilution capacity for mixing systems and by introduction of the concept delivery capacity for systems intended for delivery of clean air locally. Various ways of realizing systems for supply of clean air to regions within a room are presented and their pros and cons are discussed.  The most important single parameter is the entrainment of ambient air into the primary flow that drives the airflow in the room.   

sted, utgiver, år, opplag, sider
2018. s. 253-258
Emneord [en]
probability to return, visitation frequency, dilution capacity, delivery capacity, entrainment, mixing factor due to entrainment
HSV kategori
Identifikatorer
URN: urn:nbn:se:hig:diva-26850ISBN: 978-952-5236-48-4 (digital)OAI: oai:DiVA.org:hig-26850DiVA, id: diva2:1215146
Konferanse
Roomvent and Ventilation 2018, 2-5 June 2018, Aalto University, Espoo, Finland
Merknad

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Tilgjengelig fra: 2018-06-07 Laget: 2018-06-07 Sist oppdatert: 2018-06-11bibliografisk kontrollert

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Sandberg, MatsWigö, HansKabanshi, Alan

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