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Reality bites: measuring actual daylighting performance in classrooms

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conference contribution
posted on 2016-06-22, 12:12 authored by Nafsika Drosou, Eleonora Brembilla, John MardaljevicJohn Mardaljevic, Victoria HainesVictoria Haines
Climate-based daylight modelling (CBDM) is providing the basis for yearlong indoor daylighting performance predictions. However, evidence of long-term actual daylighting performance of indoor spaces in use is limited. Since 2013, CBDM has been a mandatory requirement for the approval of school designs that fall under the UK’s £6 billion Priority Schools Building Programme. Specifying daylight compliance of schools with CBDM metrics increases the urgency for evidence of actual performance of classrooms. This paper describes a method for long-term monitoring of classrooms in use. It also identifies the key confounding factors that make the validation of CBDM metrics in practice a daunting task. Two UK classrooms are used as case studies and are monitored daily for six months with a 10-minute resolution. Using a robust method, based on High Dynamic Range (HDR) imaging, this work makes a case for the significance of real world daylighting performance measurements. Moreover it provides an overview of the first steps toward the evaluation of the practical application of CBDM prediction methods and metrics.

Funding

Ms. Drosou acknowledges funding support from the EPSRC LoLo Doctoral Training Centre in Energy Demand, Ms. Brembilla from EPSRC and industrial partner Arup (London, UK). Professor Mardaljevic and Dr Haines acknowledge the support of Loughborough University and the involvement of the case study school.

History

School

  • Architecture, Building and Civil Engineering

Published in

PLEA 16

Citation

DROUSOU, N. ... et al., 2016. Reality bites: measuring actual daylighting performance in classrooms. IN: Proceedings of PLEA 16, Los Angeles, 11-13 July.

Publisher

© PLEA

Version

  • AM (Accepted Manuscript)

Publisher statement

This work is made available according to the conditions of the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International (CC BY-NC-ND 4.0) licence. Full details of this licence are available at: https://creativecommons.org/licenses/by-nc-nd/4.0/

Acceptance date

2016-05-30

Publication date

2016

Notes

This paper was presented at PLEA 2016 and is also available at http://plea2016.uscarch.com/index.php/pleapapers/fullpapers/paper/view/1248/298 [© PLEA 2016 & USC School of Architecture]

Language

  • en

Location

Los Angeles

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