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Fan Convectors vs. Bench heaters in Churches – impact on air velocities
Högskolan i Gävle, Akademin för teknik och miljö, Avdelningen för bygg- energi- och miljöteknik, Byggvetenskap - installationsteknik. (Indoor environment)ORCID-id: 0000-0002-0337-8004
Högskolan på Gotland, Institutionen för kultur, energi och miljö.
Högskolan i Gävle, Akademin för teknik och miljö, Avdelningen för bygg- energi- och miljöteknik, BMG Labbet.
Högskolan i Gävle, Akademin för teknik och miljö, Avdelningen för bygg- energi- och miljöteknik, BMG Labbet.
Vise andre og tillknytning
2011 (engelsk)Inngår i: EEHB 2011: Conference on Energy Efficiency in Historic Buildings / [ed] Tor Broström & Lisa Nilsen, Visby: Gotland University Press, 2011Konferansepaper, Publicerat paper (Fagfellevurdert)
Abstract [en]

Air movements in churches affect the deposition rate of airborne particles on surfaces, and hence influence soiling of valuable artifacts of different kinds. Sooting from candles and the thermal comfort of people is also affected by indoor air velocities. In an experimental field study, two different heating systems were compared regarding their effect on room air velocities in a church: air-to-air heat pumps with indoor fan convectors vs. a combination of bench heaters and radiators. Hot-sphere and 3-D sonic anemometers were used to record air velocities in the church. Strong buoyant air flows were found both in the supply air flow path of the heat pumps and above the bench heaters, but the air velocities were rather low outside of these air currents. A ~25 cm thick downdraught air flow was found along walls and windows, with a magnitude that was similar at both heating systems and much larger than the outdoor air infiltration rate.

sted, utgiver, år, opplag, sider
Visby: Gotland University Press, 2011.
Emneord [en]
Churches, Air velocities, Heating system, Heat pump, Surface soiling
HSV kategori
Identifikatorer
URN: urn:nbn:se:hig:diva-8760ISBN: 978-91-86343-11-8 (tryckt)OAI: oai:DiVA.org:hig-8760DiVA, id: diva2:414059
Konferanse
EEHB 2011 : Conference on Energy Efficiency in Historic Buildings. Visby. Sweden.
Prosjekter
Church projectTilgjengelig fra: 2011-05-02 Laget: 2011-05-02 Sist oppdatert: 2018-12-03bibliografisk kontrollert

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Mattsson, MagnusLinden, ElisabetLindström, SvanteSandberg, Mats

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Totalt: 603 treff
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