Strategies to improve the energy performance of multiple-skin facades

This paper describes how to optimize the energy performance of single-story multiple-skin facades (MSF) by changing the settings of the façades and HVAC-system according to the net energy demand of the building. The annual energy performance is analyzed for typical Belgian climatic conditions using...

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Bibliographic Details
Published in:Building and environment 2008-04, Vol.43 (4), p.638-650
Main Authors: Saelens, Dirk, Roels, Staf, Hens, Hugo
Format: Article
Language:English
Subjects:
air flow
Belgium
climatic conditions
energy demand
Flow rates
Q1
Q3
shading
Simulation
Ventilation
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Summary:This paper describes how to optimize the energy performance of single-story multiple-skin facades (MSF) by changing the settings of the façades and HVAC-system according to the net energy demand of the building. The annual energy performance is analyzed for typical Belgian climatic conditions using a whole building simulation tool. Three MSF are scrutinised: a mechanically ventilated airflow window, a naturally ventilated double-skin façade and a mechanically ventilated supply window. Their performance is compared against the performance of two traditional facades: a traditional window with exterior and interior shading device. It is shown that both the heating and cooling demand may significantly be improved by implementing control strategies such as controlling the airflow rate and the recovery of air returning from the multiple-skin facades.
ISSN:0360-1323
1873-684X
DOI:10.1016/j.buildenv.2006.06.024