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Infiltration of Air into two World Heritage Farmhouses in Sweden during Winter Conditions
Högskolan i Gävle, Akademin för teknik och miljö, Avdelningen för bygg- energi- och miljöteknik, Miljöteknik.ORCID-id: 0000-0002-8985-2562
Högskolan i Gävle, Akademin för teknik och miljö, Avdelningen för bygg- energi- och miljöteknik, Energisystem.ORCID-id: 0000-0002-0337-8004
Högskolan i Gävle, Akademin för teknik och miljö, Avdelningen för bygg- energi- och miljöteknik, Energisystem.ORCID-id: 0000-0001-9076-0801
2018 (engelsk)Inngår i: Roomvent & Ventilation 2018: Excellent Indoor Climate and High Performing Ventilation / [ed] Risto Kosonen, Mervi Ahola, Jarkko Narvanne, Helsinki, Finland, 2018, s. 1079-1084Konferansepaper, Publicerat paper (Fagfellevurdert)
Abstract [en]

As a part of an ongoing study, we report measurements of air infiltration during winter conditions into two Decorated Farmhouses of Hälsingland designated as UNESCO World Heritage Sites. In winter these two-storied farmhouses are rarely heated, except for special occasions. In this measurement one farmhouse  was  unheated,  whereas  one  room  was  heated  for  a  brief  period  in  the  other  one.  The observed local mean ages of air measured with tracer gas techniques generally increase with height, both  locally  within  each  room  and  between  floors.  The  average  temperature  and  humidity  also increases from the first to the second floor. The indoor temperature follows the outdoor temperature with a time lag. The differences in water content between inside and outside air correlate with changes of the indoor relative humidity. The correlation is stronger for humidity increase than for humidity decrease, possibly due to moisture absorption by interior text.

sted, utgiver, år, opplag, sider
Helsinki, Finland, 2018. s. 1079-1084
Emneord [en]
World Heritage, preservation, moisture, relative humidity, air infiltration, PFT tracer
HSV kategori
Identifikatorer
URN: urn:nbn:se:hig:diva-28778ISBN: 978-952-5236-48-4 (tryckt)OAI: oai:DiVA.org:hig-28778DiVA, id: diva2:1268999
Konferanse
Roomvent & Ventilation 2018 'Excellent Indoor Climate and High Performing Ventilation', 2-5 June, 2018, Espoo, Finland
Tilgjengelig fra: 2018-12-07 Laget: 2018-12-07 Sist oppdatert: 2018-12-07bibliografisk kontrollert

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Björling, MikaelMattsson, MagnusAkander, Jan

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