Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Energy performance assessment of double-skin façade with thermal mass
AbstractTo mitigate the overheating problem in the warmer seasons, and thereby improve thermal performance and energy efficiency of the double-skin façade (DSF) system, this study introduced an innovative design approach involving the integration of passive thermal mass technique with the air channel of the conventional DSF. To assess the contribution of this integration to energy efficiency of the system, a numerical model was developed, capable of determining the thermal performance of the conventional DSF. The numerical model is composed of airflow and thermal models. This paper briefly describes the development of the models as well as the models’ verifications. Models were then used to carry out a series of parametric studies to investigate the effect of thermal mass on the energy performance of the integrated system.The simulation results revealed that mechanically ventilated DSF can save energy based on configuration from 21% to 26% in summer and from 41% to 59% in winter as compared to conventional DSFs without thermal mass. The results also showed the total saving for a naturally ventilated DSF is negligible year-round.
Energy performance assessment of double-skin façade with thermal mass
AbstractTo mitigate the overheating problem in the warmer seasons, and thereby improve thermal performance and energy efficiency of the double-skin façade (DSF) system, this study introduced an innovative design approach involving the integration of passive thermal mass technique with the air channel of the conventional DSF. To assess the contribution of this integration to energy efficiency of the system, a numerical model was developed, capable of determining the thermal performance of the conventional DSF. The numerical model is composed of airflow and thermal models. This paper briefly describes the development of the models as well as the models’ verifications. Models were then used to carry out a series of parametric studies to investigate the effect of thermal mass on the energy performance of the integrated system.The simulation results revealed that mechanically ventilated DSF can save energy based on configuration from 21% to 26% in summer and from 41% to 59% in winter as compared to conventional DSFs without thermal mass. The results also showed the total saving for a naturally ventilated DSF is negligible year-round.
Energy performance assessment of double-skin façade with thermal mass
Fallahi, Ali (Autor:in) / Haghighat, Fariborz (Autor:in) / Elsadi, Hafia (Autor:in)
Energy and Buildings ; 42 ; 1499-1509
19.03.2010
11 pages
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
AL , aluminum thermal mass , EA , exhaust air DSF , IAC , indoor air circulation DSF , OAC , outdoor air circulation DSF , TM , concrete thermal mass replacing venetian blind of DSF , TMi , concrete thermal mass replacing inner skin of DSF , TMo , concrete thermal mass replacing outer skin of DSF , SA , supply air DSF , Energy , Building , Double-skin façade , Thermal mass , Thermal storage , Airflow , Natural ventilation
Energy performance assessment of double-skin façade with thermal mass
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