Curtain Wall with Solar Preheating of Ventilation Air. Full Scale Experimental Assessment

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e3sconf_nsb2020_09007.pdf (661.62 KB)
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ISSN: 2555-0403
DOI: 10.1051/e3sconf/202017209007
Publication date
2020-06-30
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Abstract
Heating load in Commercial buildings is highly related with ventilation systems, while at the same time local discomfort in the vicinity of glass walls occurs due to overheating. In this paper, a novel double envelope curtain wall is presented, which extracts heat from the façade by means of a ventilated cavity which is then incorporated to the ventilation air intake. A substantial reduction of heating loads is achieved. Whenever solar gains are not sought, a bypass element allows the natural ventilation of this air cavity, acting as a ventilated façade. An integrated control system with embedded electronics and actuators allows for a smart control of the system. The system is designed for integration with existing rooftop ventilation systems. Design considerations are discussed, and the outcomes of a full-scale experiment conducted in Bilbao (Spain) along 2019 presented.
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Publisher Copyright: © The Authors, published by EDP Sciences, 2020.
Keywords
Building , Double envelope curtain wall , Heat , Façade , Natural ventilation , Building , Double envelope curtain wall , Heat , Façade , Natural ventilation , General Environmental Science , General Energy , General Earth and Planetary Sciences , SDG 7 - Affordable and Clean Energy
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Garay-Martinez , R & Arregi , B 2020 , ' Curtain Wall with Solar Preheating of Ventilation Air. Full Scale Experimental Assessment ' , E3S Web of Conferences , vol. 172 , 09007 , pp. 9007 . https://doi.org/10.1051/e3sconf/202017209007