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Indoor climate in a naturally ventilated unheated medieval church in Harju-Risti, Estonia
Chair of Building Physics and Architecture, Tallinn University of Technology, Estonia.
Chair of Building Physics and Architecture, Tallinn University of Technology, Estonia.
Gotland University, School of Culture, Energy and Environment.
2010 (English)In: 10th REHVA World congress Clima 2010: Sustainable Energy Use in Buildings, 2010Conference paper, Published paper (Refereed)
Abstract [en]

Indoor climate in a naturally ventilated unheated medieval church was analysed to determine if the conditions existing suit for three medieval wooden sculptures forming the Calvary group that were decorated the church until 1958. The values of temperature and RH were measured with data loggers at 1-h intervals inside and outside the church. Ventilation measurements were performed using a passive tracer gas technique. The current study shows that there is a considerable risk in bringing back the medieval sculptures forming the Calvary group to the Harju-Risti Church without creating conditions for indoor temperature and humidity regulation. To start risk assessment it is required to maintain a RH level that prevents the risk of mould growth, reduce fluctuations of air RH annually and in the short term period, avoid of too high and too low humidity levels in church that could cause flaking, peeling and cracking of wooden sculptures.

Place, publisher, year, edition, pages
2010.
National Category
Energy Systems Building Technologies
Research subject
Conservation
Identifiers
URN: urn:nbn:se:hgo:diva-1189OAI: oai:DiVA.org:hgo-1189DiVA: diva2:461221
Conference
Clima 2010, Sustainable energy use in buildings
Available from: 2011-12-02 Created: 2011-12-02 Last updated: 2013-07-01Bibliographically approved

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Broström, Tor

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