NSB th Nordic Symposium on Building Physics June 2014 Lund, Sweden FULL PAPERS

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1 NSB th Nordic Symposium on Building Physics June 2014 Lund, Sweden

2 NSB th Nordic Symposium on Building Physics June 2014 Lund, Sweden Editors: Jesper Arfvidsson, Lars-Erik Harderup, Anders Kumlin, Bitte Rosencrantz ISBN: (TVBH-3061) Photographer: Frontpage: Lasse Strandberg Print: Grafisk gruppen AB Layout: Malmö Kongressbyrå AB

3 CONTENT Introduction 4 Scientific committee 5 Air-tightness Building Envelope Systems Building Materials and Structures Challenges of the Future Historical Buildings Low energy Buildings Moisture Safety Retrofitting of Buildings RAP-RETRO Author Index Sponsors Back page

4 INTRODUCTION The Nordic Symposium on Building Physics started in Lund in 1987 on an initiative by the Moisture Research Centre in Lund and has been arranged every third year. The venues of the previous symposia were Lund (1987), Trondheim (1990), Copenhagen (1993), Espoo (1996), Gothenburg (1999), Trondheim (2002), Reykjavik (2005), Copenhagen (2008), and Tampere (2011). Now it is organized for the 10th time and will again, 27 years later, be hold in Lund. Over time, the symposium has become the biggest international conference focusing on Building Physics. A total of about 300 abstracts were submitted to the 2014 symposium and an international scientific committee of external referees reviewed nearly 180 papers. The symposium provides a broad presentation of Building Physics research, especially in Europe. During the last decades Building Physics research has increased all over the world. Good indoor environment in combination with sustainability and low environmental impact, to reduce the global climate changes, is a challenge across the world. It is of great importance to have a holistic view and include all the different aspects, such as energy, moisture safety, ventilation, acoustics, fire safety, economy etc., sometimes interacting in a very complicated way. This symposium presents two tracks, one practical and one more theoretical, divided in ten topics, and presented in three parallel sessions. Two new topics are introduced; Historical Buildings and Challenges for the future. The intention of adding Historical Buildings is to gather people with different backgrounds, for example Building Physicists, Building antiquarians, Building Biologists, Architects, City planners etc. in a common forum. The interest for questions related to Challenges of the Future is growing rapidly. This area requires competence from many different specialities for example environmental impact, climate change, meteorology, and risk assessment. Three keynote lectures related to the above subjects will be given at the symposium. Professor Johnny Kronvall, who organized the first symposium in 1987, will speak about Building Physics an attempt to a 30 years evolution story, M.Sc. Anders Kumlin will concentrate on the practical applications in Practical Moisture Problems. The last keynote lecture is Professor Mark Bomberg who will present his thoughts in A personal view on Building Physics: An address in the Nordic BP Symposium We want to thank all the people that took part in the realisation of this symposium; especially members of the Scientific committee for their great work in reviewing abstracts and papers. A special thank to Amelie Rönngård at Anagram and Lotta Ahlbertz at Malmö Kongressbyrå for all help in planning and correspondence with the authors. We are also grateful to all the authors who wrote the papers making this 10th symposium an interesting one. Finally we express our gratitude to the sponsors who financially supported the implementation of this symposium. Lund, May 2014 The Organizing Committee of NSB2014 Jesper Arfvidsson, Lars-Erik Harderup, Anders Kumlin and Bitte Rosencrantz

5 SCIENTIFIC COMMITTEE Dr. Karin Adalberth, Sweden Prof. Miimu Airaksinen, Finland Jim Althinsson, Sweden Prof. Jesper Arfvidsson, Sweden Björn Becker, Sweden Prof. Thomas Bednar, Austria Prof. Folke Björk, Sweden Assoc. Prof. Bert Blocken, Netherlands Prof. Mark Bomberg, USA Lic. Eng. Peter Brander, Sweden Steven Burke, Sweden Dr. Helena Bülow Hube, Sweden Peter Carlsson, Sweden Prof. Robert Černý, Czech Republic Jan Christensson, Sweden Dr. Malcolm Cunningham, New Zeeland Civ. Eng. Martin Engman, Sweden Prof. Vasco Peixoto de Freitas, Portugal Dr. Hua Ge, Canada Dr. Stig Geving, Norway Prof. John Grunewald, Germany Rickard Henriksson, Sweden Prof. Carl-Eric Hagentoft, Sweden Dr. Lars-Erik Harderup, Sweden Prof. Per Heiselberg, Denmark Prof. Shuichi Hokoi, Japan Prof. Andreas Holm, Germany Dr. Linda Hägerhed Engman, Sweden Assoc. Prof. Hans Janssen, Denmark Anders Joelsson, Sweden Prof. Guðni Jóhannesson, Iceland Dr. Peter Johansson, Sweden Dr. Targo Kalamees, Estonia Dr. Kurt Kielsgaard Hansen, Denmark Dr. Johnny Kronvall, Sweden Dr. Hartwig Künzel, Germany Mr. Teppo Lehtinen, Finland Prof. Ralf Lindberg, Finland Mathias Lindskog, Sweden Prof. Ardeshir Mahdavi, Austria Dr. Peter Matiašovský, Slovakia Civ. Eng. Anders Melin, Sweden Prof. Nathan Mendes, Brazil Prof. Kristina Mjörnell, Sweden Dr. Phalguni Mukhopadhyaya, Canada Prof. Anker Nielsen, Denmark Dr. Tuomo Ojanen, Finland Dr. Rudy Plagge, Germany Dr. Nunu Ramos, Portugal Prof. Carsten Rode, Denmark Prof. Staf Roels, Belgium Assoc. Prof. Ingemar Samuelson, Sweden Dr. Chris Sanders, United Kingdom Ass. Prof. Angela Sasic Kalagasidis, Sweden Ass. Prof. Jos van Schijndel, Netherlands Prof. Dr. Klaus Sedlbauer, Germany Dr. Anders Sjöberg, Sweden Prof. Svend Svendsen, Denmark Dr. Berit Time, Norway Prof. Lars Wadsö, Sweden Prof. Juha Vinha, Finland Niclas Wahl, Sweden Dr. Maria Wall, Sweden Prof. Monika Woloszyn, France Dr. Petter Wallentén, Sweden Full papers - NSB 2014 page 5