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An evaluation of window parameters effects on daylight and energy saving in residential building in Saudi Arabia: An integrated optimisation and sensitivity analysis

An evaluation of window parameters effects on daylight and energy saving in residential building in Saudi Arabia: An integrated optimisation and sensitivity analysis
An evaluation of window parameters effects on daylight and energy saving in residential building in Saudi Arabia: An integrated optimisation and sensitivity analysis
Windows are a vital component of a building envelope that affect thermal and luminance levels; therefore, they are a leading variable in buildings’ energy performance and occupants’ well-being. Due to the often-conventional utilisation of windows and the absence of adequate design standards in Saudi Arabia, this study illustrates an approach to evaluate windows performance, providing a design criterion for designers and architects. The proposed approach evaluates a set of windows’ parameters simultaneously, using genetic algorithm optimisation and sensitivity analysis. The aim is to investigate their interlocking relationship while highlighting the most influential parameters affecting energy saving, daylight, and thermal comfort. The study highlighted the importance of taking a holistic approach when optimising windows, considering both cooling and lighting energy. It was found that when windows’ parameters are optimised, total energy consumption was reduced by 27%. Also, the results revealed that glazing has the most substantial impact on both cooling and lighting energy among window parameters.
windows parameters, thermal comfort, daylight, energy saving, genetic-algorithm, sensitivity analysis
73-78
University of Southampton
AlDhaheri, Shima H.
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Gauthier, Stephanie
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Nicol, Fergus
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Brotas, Luisa
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Schiano-Phan, Rosa
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Sukontason, Nichaphat
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Turner, Philip
772d9dd5-829d-4e40-83a2-f8ea70ee2b14
Gauthier, Stephanie
Nicol, Fergus
Brotas, Luisa
Schiano-Phan, Rosa
Sukontason, Nichaphat
Turner, Philip
AlDhaheri, Shima H.
f838b46f-2987-4a0d-b9f8-83446e959591
Gauthier, Stephanie
4e7702f7-e1a9-4732-8430-fabbed0f56ed
Nicol, Fergus
55e3b6e4-885d-4aa4-96a8-441ed11e1eaa
Brotas, Luisa
44ab859c-b1ab-40a3-aedf-82d4f7624f09
Schiano-Phan, Rosa
5a80d383-3e96-462e-bc0b-4a5127e019c7
Sukontason, Nichaphat
6aa035e1-a346-4b01-a099-6e1cbd538f97
Turner, Philip
772d9dd5-829d-4e40-83a2-f8ea70ee2b14
Gauthier, Stephanie
Nicol, Fergus
Brotas, Luisa
Schiano-Phan, Rosa
Sukontason, Nichaphat
Turner, Philip

AlDhaheri, Shima H. (2022) An evaluation of window parameters effects on daylight and energy saving in residential building in Saudi Arabia: An integrated optimisation and sensitivity analysis. Gauthier, Stephanie, Nicol, Fergus, Brotas, Luisa, Schiano-Phan, Rosa, Sukontason, Nichaphat, Turner, Philip, Gauthier, Stephanie, Nicol, Fergus, Brotas, Luisa, Schiano-Phan, Rosa, Sukontason, Nichaphat and Turner, Philip (eds.) In Proceedings of the 11th Masters Conference: People and Buildings. vol. 1, University of Southampton. pp. 73-78 . (doi:10.5258/SOTON/P1095).

Record type: Conference or Workshop Item (Paper)

Abstract

Windows are a vital component of a building envelope that affect thermal and luminance levels; therefore, they are a leading variable in buildings’ energy performance and occupants’ well-being. Due to the often-conventional utilisation of windows and the absence of adequate design standards in Saudi Arabia, this study illustrates an approach to evaluate windows performance, providing a design criterion for designers and architects. The proposed approach evaluates a set of windows’ parameters simultaneously, using genetic algorithm optimisation and sensitivity analysis. The aim is to investigate their interlocking relationship while highlighting the most influential parameters affecting energy saving, daylight, and thermal comfort. The study highlighted the importance of taking a holistic approach when optimising windows, considering both cooling and lighting energy. It was found that when windows’ parameters are optimised, total energy consumption was reduced by 27%. Also, the results revealed that glazing has the most substantial impact on both cooling and lighting energy among window parameters.

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e-pub ahead of print date: 17 October 2022
Venue - Dates: 11th Masters Conference: People and Buildings, University of Westminster, London, United Kingdom, 2022-09-16 - 2022-09-16
Keywords: windows parameters, thermal comfort, daylight, energy saving, genetic-algorithm, sensitivity analysis

Identifiers

Local EPrints ID: 471026
URI: http://eprints.soton.ac.uk/id/eprint/471026
PURE UUID: a8da7123-ea34-4276-a986-451a51c19a54
ORCID for Stephanie Gauthier: ORCID iD orcid.org/0000-0002-1720-1736
ORCID for Philip Turner: ORCID iD orcid.org/0000-0002-8146-0249

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Date deposited: 25 Oct 2022 16:32
Last modified: 09 Nov 2022 02:58

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Contributors

Author: Shima H. AlDhaheri
Editor: Fergus Nicol
Editor: Luisa Brotas
Editor: Rosa Schiano-Phan
Editor: Nichaphat Sukontason
Editor: Philip Turner ORCID iD
Editor: Stephanie Gauthier
Editor: Fergus Nicol
Editor: Luisa Brotas
Editor: Rosa Schiano-Phan
Editor: Nichaphat Sukontason
Editor: Philip Turner

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