A Performance-Based Window Design and Evaluation Model for Naturally Ventilated Offices

This study proposes a performance-based window design model for optimised natural ventilation potential by reducing the level of indoor carbon dioxide (CO<sub>2</sub>) concentration and improving thermal comfort, consequently minimising supplementary heating/cooling loads. The model cons...

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Main Authors: Hardi K. Abdullah, Halil Z. Alibaba
Format: Article
Language:English
Published: MDPI AG 2022-08-01
Series:Buildings
Subjects:
Online Access:https://www.mdpi.com/2075-5309/12/8/1141
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author Hardi K. Abdullah
Halil Z. Alibaba
author_facet Hardi K. Abdullah
Halil Z. Alibaba
author_sort Hardi K. Abdullah
collection DOAJ
description This study proposes a performance-based window design model for optimised natural ventilation potential by reducing the level of indoor carbon dioxide (CO<sub>2</sub>) concentration and improving thermal comfort, consequently minimising supplementary heating/cooling loads. The model consists of several stages: (1) Knowledge acquisition, (2) establishing a relationship between window design and natural ventilation, (3) identifying performance criteria and the design of experiments (DOE), (4) conducting performance-based dynamic simulations, (5) evaluation of findings, and (6) making informed design decisions. The study also proposed an evaluation method by which assessments of indoor CO<sub>2</sub> concentration and adaptive thermal comfort are performed using the threshold suggested by the World Health Organisation (WHO, Geneva, Switzerland) and the acceptability categories of the British/European standard BS EN 15251:2007. The proposed model was applied to a single office inspired by the staff offices at the Department of Architecture, Eastern Mediterranean University, Famagusta, North Cyprus. The findings show that the developed model of performance-based window design enables the handling of various window design variables along with different performance criteria to determine the near-optimal window design alternatives for effective natural ventilation (NV) and mixed-mode (MM) offices. This model can guide architects in making informed decisions in the early stages of office window design.
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spelling doaj.art-16b47ed58f67462d8c7088753d07bc7f2023-11-30T23:19:52ZengMDPI AGBuildings2075-53092022-08-01128114110.3390/buildings12081141A Performance-Based Window Design and Evaluation Model for Naturally Ventilated OfficesHardi K. Abdullah0Halil Z. Alibaba1Department of Architecture, College of Engineering, Salahaddin University-Erbil, Erbil 44001, IraqDepartment of Architecture, Faculty of Architecture, Eastern Mediterranean University, Famagusta 99628, CyprusThis study proposes a performance-based window design model for optimised natural ventilation potential by reducing the level of indoor carbon dioxide (CO<sub>2</sub>) concentration and improving thermal comfort, consequently minimising supplementary heating/cooling loads. The model consists of several stages: (1) Knowledge acquisition, (2) establishing a relationship between window design and natural ventilation, (3) identifying performance criteria and the design of experiments (DOE), (4) conducting performance-based dynamic simulations, (5) evaluation of findings, and (6) making informed design decisions. The study also proposed an evaluation method by which assessments of indoor CO<sub>2</sub> concentration and adaptive thermal comfort are performed using the threshold suggested by the World Health Organisation (WHO, Geneva, Switzerland) and the acceptability categories of the British/European standard BS EN 15251:2007. The proposed model was applied to a single office inspired by the staff offices at the Department of Architecture, Eastern Mediterranean University, Famagusta, North Cyprus. The findings show that the developed model of performance-based window design enables the handling of various window design variables along with different performance criteria to determine the near-optimal window design alternatives for effective natural ventilation (NV) and mixed-mode (MM) offices. This model can guide architects in making informed decisions in the early stages of office window design.https://www.mdpi.com/2075-5309/12/8/1141window designnatural ventilationindoor air qualityindoor CO<sub>2</sub> concentrationadaptive thermal comfortperformance-based design
spellingShingle Hardi K. Abdullah
Halil Z. Alibaba
A Performance-Based Window Design and Evaluation Model for Naturally Ventilated Offices
Buildings
window design
natural ventilation
indoor air quality
indoor CO<sub>2</sub> concentration
adaptive thermal comfort
performance-based design
title A Performance-Based Window Design and Evaluation Model for Naturally Ventilated Offices
title_full A Performance-Based Window Design and Evaluation Model for Naturally Ventilated Offices
title_fullStr A Performance-Based Window Design and Evaluation Model for Naturally Ventilated Offices
title_full_unstemmed A Performance-Based Window Design and Evaluation Model for Naturally Ventilated Offices
title_short A Performance-Based Window Design and Evaluation Model for Naturally Ventilated Offices
title_sort performance based window design and evaluation model for naturally ventilated offices
topic window design
natural ventilation
indoor air quality
indoor CO<sub>2</sub> concentration
adaptive thermal comfort
performance-based design
url https://www.mdpi.com/2075-5309/12/8/1141
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