Exergy-Based Life Cycle Assessment of Buildings: Case Studies

The relevance of exergy to the life cycle assessment (LCA) of buildings has been studied regarding its potential to solve certain challenges in LCA, such as the characterization and valuation, accuracy of resource use, and interpretation and comparison of results. However, this potential has not bee...

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Autores principales:	Martin Nwodo, Chimay J. Anumba
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	life cycle assessment LCA exergy buildings sustainability Environmental effects of industries and plants TD194-195 Renewable energy sources TJ807-830 Environmental sciences GE1-350
Acceso en línea:	https://doaj.org/article/e69ffa57f47b4952ac6f4ffd9cd03300
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id	oai:doaj.org-article:e69ffa57f47b4952ac6f4ffd9cd03300
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spelling	oai:doaj.org-article:e69ffa57f47b4952ac6f4ffd9cd033002021-11-11T19:25:07ZExergy-Based Life Cycle Assessment of Buildings: Case Studies10.3390/su1321116822071-1050https://doaj.org/article/e69ffa57f47b4952ac6f4ffd9cd033002021-10-01T00:00:00Zhttps://www.mdpi.com/2071-1050/13/21/11682https://doaj.org/toc/2071-1050The relevance of exergy to the life cycle assessment (LCA) of buildings has been studied regarding its potential to solve certain challenges in LCA, such as the characterization and valuation, accuracy of resource use, and interpretation and comparison of results. However, this potential has not been properly investigated using case studies. This study develops an exergy-based LCA method and applies it to three case-study buildings to explore its benefits. The results provide evidence that the theoretical benefits of exergy-based LCA as against a conventional LCA can be achieved. These include characterization and valuation benefits, accuracy, and enabling the comparison of environmental impacts. With the results of the exergy-based LCA method in standard metrics, there is now a mechanism for the competitive benchmarking of building sustainability assessments. It is concluded that the exergy-based life cycle assessment method has the potential to solve the characterization and valuation problems in the conventional life-cycle assessment of buildings, with local and global significance.Martin NwodoChimay J. AnumbaMDPI AGarticlelife cycle assessmentLCAexergybuildingssustainabilityEnvironmental effects of industries and plantsTD194-195Renewable energy sourcesTJ807-830Environmental sciencesGE1-350ENSustainability, Vol 13, Iss 11682, p 11682 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	life cycle assessment LCA exergy buildings sustainability Environmental effects of industries and plants TD194-195 Renewable energy sources TJ807-830 Environmental sciences GE1-350
spellingShingle	life cycle assessment LCA exergy buildings sustainability Environmental effects of industries and plants TD194-195 Renewable energy sources TJ807-830 Environmental sciences GE1-350 Martin Nwodo Chimay J. Anumba Exergy-Based Life Cycle Assessment of Buildings: Case Studies
description	The relevance of exergy to the life cycle assessment (LCA) of buildings has been studied regarding its potential to solve certain challenges in LCA, such as the characterization and valuation, accuracy of resource use, and interpretation and comparison of results. However, this potential has not been properly investigated using case studies. This study develops an exergy-based LCA method and applies it to three case-study buildings to explore its benefits. The results provide evidence that the theoretical benefits of exergy-based LCA as against a conventional LCA can be achieved. These include characterization and valuation benefits, accuracy, and enabling the comparison of environmental impacts. With the results of the exergy-based LCA method in standard metrics, there is now a mechanism for the competitive benchmarking of building sustainability assessments. It is concluded that the exergy-based life cycle assessment method has the potential to solve the characterization and valuation problems in the conventional life-cycle assessment of buildings, with local and global significance.
format	article
author	Martin Nwodo Chimay J. Anumba
author_facet	Martin Nwodo Chimay J. Anumba
author_sort	Martin Nwodo
title	Exergy-Based Life Cycle Assessment of Buildings: Case Studies
title_short	Exergy-Based Life Cycle Assessment of Buildings: Case Studies
title_full	Exergy-Based Life Cycle Assessment of Buildings: Case Studies
title_fullStr	Exergy-Based Life Cycle Assessment of Buildings: Case Studies
title_full_unstemmed	Exergy-Based Life Cycle Assessment of Buildings: Case Studies
title_sort	exergy-based life cycle assessment of buildings: case studies
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/e69ffa57f47b4952ac6f4ffd9cd03300
work_keys_str_mv	AT martinnwodo exergybasedlifecycleassessmentofbuildingscasestudies AT chimayjanumba exergybasedlifecycleassessmentofbuildingscasestudies
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Exergy-Based Life Cycle Assessment of Buildings: Case Studies

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