Conference Paper

True Multiphysics Simulation of Air Leakage in Building Envelopes

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... The constructed SIP was then monitored in the field and the results agreed well with simulation, which showed that simulation can be used to develop hygrothermally safe construction. Existing studies through both experiments (Cunningham, 1993; Desmarais et al., 2000; Simonson et al., 2005; Rao et al., 2009; Slanina & Šilarová, 2009; Langmans et al., 2012; Alev & Kalamees, 2016; Goto et al., 2016) and modeling (Ojanen & Kumaran, 1996; Jansens & Hens, 2003; Saber et al., 2012; Younes & Abi Shdid, 2013; Belleudy et al., 2015) indicate that imperfections and consequential air leakage in the building envelope have significant impact on the hygrothermal performance of building envelopes. Similarly, the weak spots of SIPs, and prefabricated envelope systems in general, are often the joints, not the main section of the panel or panelized system. ...
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The extreme climate and limited nature of local resources in arctic communities create serious challenges for the many Inuit communities. Homelessness and housing shortages are still common, underlining the need for the construction of durable, sustainable, and affordable housing. The building envelope is highly susceptible to moisture damage and deterioration if not well designed and constructed, especially in the arctic. For this project, the thermal and airtightness performance of structural insulated panel (SIP) joints are studied.
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