Experimental study of the cooling performance of a ventilated wall

Ventilated wall structures can contribute to energy saving in the building sector. This article presents a study of the cooling performance of a ventilated wall component. The ventilated wall component was constructed in actual scale and tested under real weather conditions (summer) in an outdoor te...

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Bibliographic Details
Published in:Journal of building physics 2016-01, Vol.39 (4), p.297-320
Main Authors: Dimoudi, Argiro C, Androutsopoulos, Andreas V, Lykoudis, Spyros P
Format: Article
Language:English
Subjects:
Barriers
Buildings
Construction
Cooling
Outdoor
Outlets
Recording
Walls
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Summary:Ventilated wall structures can contribute to energy saving in the building sector. This article presents a study of the cooling performance of a ventilated wall component. The ventilated wall component was constructed in actual scale and tested under real weather conditions (summer) in an outdoor test cell. The testing configuration comprised the recording of the thermal behaviour of the ventilated wall with a fixed air gap width and with the addition of a radiant barrier. Several variations in the basic configuration were also tested, namely, different air inlet and outlet areas, the use of natural and mechanical ventilation on the air gap and the use of floating and controlled room air temperature regimes. The results demonstrated that the application of this technique reduces the cooling load of a building. Especially, a ventilated wall equipped with a radiant barrier and a mechanically ventilated air gap provided with the most beneficial results.
ISSN:1744-2591
1744-2583
DOI:10.1177/1744259114546282