Modeling Local Hygrothermal Interaction: Local surface transfer coefficients

Paul Wilhelmus Maria Hermanus Steskens, Hans Janssen, Carsten Rode

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

Abstract

Current models to predict heat, air and moisture (HAM) conditions in building components assume uniform boundary conditions, both for the temperature and relative humidity of the air in an indoor space as well as for the heat and moisture surface transfer coefficients. In order to obtain a reliable prediction of the HAM conditions in a building component, an accurate description of the indoor boundary conditions is required. This paper presents the modelling of the local indoor environmental conditions, using a (sub)zonal airflow model, focussing on the prediction of the local interior surface heat and moisture transfer coefficients. The research showed that the developed model gives good agreement with the local convective surface transfer coefficients predicted from CFD. The main advantage of the presented (sub)zonal airflow model is that the computational effort is relatively small, while the predictions of the local surface transfer coefficients are relatively accurate.
Original languageEnglish
Title of host publicationProceedings of the 9th International Healthy Buildings Conference and Exhibition
Publication date2009
Pages826
Publication statusPublished - 2009
Event9th International Healthy Building Conference and Exhibition 2009 - Syracuse, NY, United States
Duration: 13 Sep 200917 Sep 2009
Conference number: 9
http://hb2009.org/home

Conference

Conference9th International Healthy Building Conference and Exhibition 2009
Number9
Country/TerritoryUnited States
CitySyracuse, NY
Period13/09/200917/09/2009
Internet address

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