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The need for evaluation of energy performance of building enclosures
Syracuse University. (Building Energy and Environmental Systems Laboratory)
Syracuse University. (Building Energy and Environmental Systems Laboratory)
2009 (English)Conference paper (Refereed)
Abstract [en]

The following paper introduces a concept of integration of testing and modeling of hygrothermal performance of building enclosures. The procedure includes a four step procedure with local measurements of heat fluxes and temperatures. Using local measurements enables better evaluation of components, but also requires using HAM models to generalize the results. The approach and its intentions are discussed and compared to the commonly used calibrated hot box method. The procedure was applied on two residential walls one with non-hygroscopic cavity insulation and one with the hygroscopic fibrous insulation with varying results. The somewhat unexpected results are discussed herein. As an outcome an interim indicator is proposed which includes two measured effects on apparent Rvalue; effect of thermal bridges (framing correction) and effect of standard air flow conditions.

Place, publisher, year, edition, pages
Keyword [en]
Energy efficiency, field performance, testing, modeling, integration
National Category
Building Technologies
URN: urn:nbn:se:kth:diva-65792OAI: diva2:483727
Healthy Buildings 2009, 9th International Conference & Exhibition. Syracure, Ny, USA. September 13-17 2009
QC 20120126Available from: 2012-01-25 Created: 2012-01-25 Last updated: 2012-01-26Bibliographically approved

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Thorsell, Thomas
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