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Advancements in Civil Engineering & Technology

A Pitched Roof with Forced Ventilation to Limit Solar Gains

Submission: April 09, 2018; Published: April 27, 2018

DOI: 10.31031/ACET.2018.01.000505

ISSN 2639-0574
Volume1 Issue1


An effective approach to ventilation of pitched roofs has been developed. It is aimed at mitigating summer overheating of inhabited rooms located immediately below the roof. The air flows in a ventilation layer made of parallel ducts and built between roof coverings and insulation, thus subtracting heat from the roof structure. It is then collected by a header and eventually discharged into the atmosphere by a extraction fan. The problem of obtaining a homogeneous flow distribution in the ventilation layer is solved by a very simple regulation mechanism, placed in the header and adjusted on site. The adjustment procedure is based on measurements of surface temperature distribution performed by an infrared camera.

Keywords: Forced ventilation; Infrared thermography; Solar gain; Thermal comfort; Ventilated roof

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