Zepeda Rivas, Daniel;
Rodríguez-Alvarez, Jorge;
(2020)
Resilient Design in The Tropics: An Overheating Assessment Method for Naturally Ventilated Buildings.
In:
Proceedings of the 11th Windsor Conference 2020.
(pp. pp. 98-109).
Ecohouse Initiative
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Abstract
As a consequence of global warming, overheating has become the main source of discomfort when speaking about the thermal performance of buildings. On the one hand, energy consumption together with the risk of heatstroke rises during warm periods and in extreme situations such as heatwaves. On the other hand, there is no broadly accepted method to measure overheating. Most of the literature is limited to a simple count of hours above comfort limit, disregarding the intensity and temporal extent of the periods, whereas other methods have a limited application since they were developed for a certain type of building and location. This paper proposes a novel method for overheating assessment in existing and projected buildings based on 5-step criteria. The objective of the process is to assess the intensity and the total time extent of overheating following adaptive theory and established limits of human comfort. The method consists in hourly counts of overheating hours divided into five segments (i.e. hours above 0.1°K, 1°K, 2°K, 3°K, and 4°K) using the upper comfort limit as a threshold. The output of the method thus provides a quantitative answer regarding overheating in a building, assessing not only the intensity but the range of the problem, allowing to evaluate different strategies to regain comfortable conditions for the occupants.
| Type: | Proceedings paper |
|---|---|
| Title: | Resilient Design in The Tropics: An Overheating Assessment Method for Naturally Ventilated Buildings |
| Event: | 11th Windsor Conference 2020 |
| Location: | Windsor, UK |
| Dates: | 16 Apr 2020 - 19 Apr 2020 |
| Open access status: | An open access version is available from UCL Discovery |
| Publisher version: | https://windsorconference.com/proceedings/ |
| Language: | English |
| Additional information: | This version is the version of record. For information on re-use, please refer to the publisher’s terms and conditions. Copyright of the individual papers remains with the authors. The contents of the publication may be freely reproduced free of charge in any format, or medium, subject to the contents being reproduced accurately, for academic purposes, with due acknowledgement and the title of this publication specified. |
| Keywords: | thermal comfort, overheating, tropics |
| UCL classification: | UCL UCL > Provost and Vice Provost Offices > UCL BEAMS UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of the Built Environment UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of the Built Environment > Bartlett School Env, Energy and Resources |
| URI: | https://discovery.ucl.ac.uk/id/eprint/10160431 |
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