Courtyard design variants for optimum indoor thermal performance of single storey fully-enclosed courtyard house in temperate-dry climate of Nigeria

Courtyard houses are common in Nigeria due to their numerous benefits, one of which is the ability of the courtyard to enhance the indoor thermal performance of the building. However, such benefit may not be achieved if the appropriate application of the Courtyard Design Variant (CDV) are unknown to...

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主要作者:	Bulus, Markus
格式:	Thesis
語言:	English
出版:	2020
主題:	TX955-985 Building management
在線閱讀:	http://eprints.utm.my/id/eprint/96230/1/MarkusBulusPFABU2020.pdf_removed_removed.pdf
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id	my-utm-ep.96230
record_format	uketd_dc
spelling	my-utm-ep.962302022-07-05T03:40:53Z Courtyard design variants for optimum indoor thermal performance of single storey fully-enclosed courtyard house in temperate-dry climate of Nigeria 2020 Bulus, Markus TX955-985 Building management Courtyard houses are common in Nigeria due to their numerous benefits, one of which is the ability of the courtyard to enhance the indoor thermal performance of the building. However, such benefit may not be achieved if the appropriate application of the Courtyard Design Variant (CDV) are unknown to the architect, even right from the design stage. While previous studies on CDVs in different climatic regions have been common, the same cannot be said about the temperate-dry climatic zone of Nigeria. Therefore, the aim of this study is to propose the most suitable CDV for optimum indoor thermal performance of single storey fully-enclosed courtyard houses in Nigerian temperate-dry climatic region. The optimum parameters of the CDVs namely Courtyard Shape Factors (CSFs), Courtyard Aspect Ratio (CAR), Orientation, Courtyard Overhang and Window-to-Wall Ratio (WWR) were established and their impacts on indoor thermal comfort were determined. The documentary survey and field measurement methods were used to determine the types of CSFs and CARs and their indoor thermal performances; while the simulation software -Integrated Environment Solution-Virtual Environment (IES-VE) - was used for the simulation experiment. The software was validated with a digital model of the selected case study courtyard house. This study reveals fourteen (14) types of CSFs and CARs. The smaller CSFs were found to have favourable indoor thermal performance than the larger ones. Four (4) optimum CSFs were established and the North-south orientation was established as the optimum of all CSFs models. The optimum courtyard overhang depth and WWR were also determined. This study concluded that smaller CSFs improve indoor thermal performance than the larger ones, while 1200mm courtyard overhang depth and WWR 16% have significant impact on indoor thermal comfort. Finally, CDVs for the design of thermally conducive single storey fully-enclosed courtyard houses in Nigerian temperate-dry climate was proposed. The significance of this study lies in its quest for a conducive courtyard house while the proposed CDV is its main contribution. 2020 Thesis http://eprints.utm.my/id/eprint/96230/ http://eprints.utm.my/id/eprint/96230/1/MarkusBulusPFABU2020.pdf_removed_removed.pdf application/pdf en public http://dms.library.utm.my:8080/vital/access/manager/Repository/vital:143209 phd doctoral Universiti Teknologi Malaysia Faculty of Built Environment & Surveying
institution	Universiti Teknologi Malaysia
collection	UTM Institutional Repository
language	English
topic	TX955-985 Building management
spellingShingle	TX955-985 Building management Bulus, Markus Courtyard design variants for optimum indoor thermal performance of single storey fully-enclosed courtyard house in temperate-dry climate of Nigeria
description	Courtyard houses are common in Nigeria due to their numerous benefits, one of which is the ability of the courtyard to enhance the indoor thermal performance of the building. However, such benefit may not be achieved if the appropriate application of the Courtyard Design Variant (CDV) are unknown to the architect, even right from the design stage. While previous studies on CDVs in different climatic regions have been common, the same cannot be said about the temperate-dry climatic zone of Nigeria. Therefore, the aim of this study is to propose the most suitable CDV for optimum indoor thermal performance of single storey fully-enclosed courtyard houses in Nigerian temperate-dry climatic region. The optimum parameters of the CDVs namely Courtyard Shape Factors (CSFs), Courtyard Aspect Ratio (CAR), Orientation, Courtyard Overhang and Window-to-Wall Ratio (WWR) were established and their impacts on indoor thermal comfort were determined. The documentary survey and field measurement methods were used to determine the types of CSFs and CARs and their indoor thermal performances; while the simulation software -Integrated Environment Solution-Virtual Environment (IES-VE) - was used for the simulation experiment. The software was validated with a digital model of the selected case study courtyard house. This study reveals fourteen (14) types of CSFs and CARs. The smaller CSFs were found to have favourable indoor thermal performance than the larger ones. Four (4) optimum CSFs were established and the North-south orientation was established as the optimum of all CSFs models. The optimum courtyard overhang depth and WWR were also determined. This study concluded that smaller CSFs improve indoor thermal performance than the larger ones, while 1200mm courtyard overhang depth and WWR 16% have significant impact on indoor thermal comfort. Finally, CDVs for the design of thermally conducive single storey fully-enclosed courtyard houses in Nigerian temperate-dry climate was proposed. The significance of this study lies in its quest for a conducive courtyard house while the proposed CDV is its main contribution.
format	Thesis
qualification_name	Doctor of Philosophy (PhD.)
qualification_level	Doctorate
author	Bulus, Markus
author_facet	Bulus, Markus
author_sort	Bulus, Markus
title	Courtyard design variants for optimum indoor thermal performance of single storey fully-enclosed courtyard house in temperate-dry climate of Nigeria
title_short	Courtyard design variants for optimum indoor thermal performance of single storey fully-enclosed courtyard house in temperate-dry climate of Nigeria
title_full	Courtyard design variants for optimum indoor thermal performance of single storey fully-enclosed courtyard house in temperate-dry climate of Nigeria
title_fullStr	Courtyard design variants for optimum indoor thermal performance of single storey fully-enclosed courtyard house in temperate-dry climate of Nigeria
title_full_unstemmed	Courtyard design variants for optimum indoor thermal performance of single storey fully-enclosed courtyard house in temperate-dry climate of Nigeria
title_sort	courtyard design variants for optimum indoor thermal performance of single storey fully-enclosed courtyard house in temperate-dry climate of nigeria
granting_institution	Universiti Teknologi Malaysia
granting_department	Faculty of Built Environment & Surveying
publishDate	2020
url	http://eprints.utm.my/id/eprint/96230/1/MarkusBulusPFABU2020.pdf_removed_removed.pdf
_version_	1747818650217218048

Courtyard design variants for optimum indoor thermal performance of single storey fully-enclosed courtyard house in temperate-dry climate of Nigeria

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