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Design summer year weather – outdoor warmth ranking metrics and their numerical verification

Ji, Y; Zhang, Y; Korolija, I; Futcher, J; (2016) Design summer year weather – outdoor warmth ranking metrics and their numerical verification. Building Services Engineering Research & Technology , 37 (6) pp. 639-663. 10.1177/0143624416648179. Green open access

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Abstract

The existing methods of selecting design summer year weather data rely on the outdoor dry bulb temperature without considering solar radiation and wind which can impact on indoor thermal conditions. This research sets out to examine the existing outdoor warmth ranking metrics and proposes a new warmth ranking metric (solar air temperature), which takes into account not only dry bulb temperature but also solar and wind conditions. Parametric study was carried out using five typical UK dwelling models, by varying parameters associated with building design and operation, a large model population were generated to statistically determine how well the outdoor warmth ranking metrics correlate the predicted indoor warmth. The outdoor warmth ranking was made for the 20 years source weather data (1976–1995) in London and both CIBSE single temperature criterion and BS EN 15251 adaptive criteria were used to judge overheating in buildings. It is found that the predicted indoor warmth are mostly arbitrary in nature and none of the existing and newly proposed outdoor warmth ranking metrics can strictly correlate. The research also discovers the significant differences between the predicted overheating occurrence and severity in the warmth ranking of weather years. / Practical application: The parametric methods described in the paper will facility academics and industry researchers to assess design summer year weather generated by various methods. The research also provides guidance on assessing both overheating occurrence and severity in buildings to assist decision making.

Type: Article
Title: Design summer year weather – outdoor warmth ranking metrics and their numerical verification
Open access status: An open access version is available from UCL Discovery
DOI: 10.1177/0143624416648179
Publisher version: http://dx.doi.org/10.1177/0143624416648179
Language: English
Additional information: Copyright © The Chartered Institution of Building Services Engineers 2016.
Keywords: Design summer year, test reference year, weather data, EnergyPlus, overheating
UCL classification: UCL
UCL > Provost and Vice Provost Offices
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/1498612
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