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Buildings 2015, 5(3), 964-984;

Summer Thermal Comfort and Self-Shading Geometries in Passivhaus Dwellings: A Pilot Study Using Future UK Climates

School of Architecture, University of Liverpool, Abercromby Square, Liverpool L69-7ZN, UK
Author to whom correspondence should be addressed.
Academic Editor: Adrian Pitts
Received: 16 July 2015 / Revised: 20 August 2015 / Accepted: 26 August 2015 / Published: 27 August 2015
(This article belongs to the Special Issue Sustainable Buildings: Design for Comfort and Users)
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This study uses numerical thermal simulation to investigate the potential use of building geometry to eliminate or reduce current and future thermal discomfort overheating risk in UK Passivhaus dwellings. The study focused on the optimum inclination of a south façade to make use of the building shape to self-protect itself. Dynamic simulation modelling software was used to test a range of different inclined façades with regards to their effectiveness in reducing overheating risk. The research found that implementing a tilted façade could completely eliminate the risk of overheating for current UK climates, but with some consequences for natural ventilation and daylighting. Future overheating was significantly reduced by the tilted façade. However, geometric considerations could not eradicate completely the risk of thermal discomfort overheating, particularly by the 2080s. View Full-Text
Keywords: geometry; passivhaus; overheating; climate change geometry; passivhaus; overheating; climate change

Figure 1

This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).

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Lavafpour, Y.; Sharples, S. Summer Thermal Comfort and Self-Shading Geometries in Passivhaus Dwellings: A Pilot Study Using Future UK Climates. Buildings 2015, 5, 964-984.

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