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Comparison of three HVAC systems in commercial buildings from a life cycle perspective

Chen, S and Zhang, G 2011, 'Comparison of three HVAC systems in commercial buildings from a life cycle perspective', in Information Engineering Research Institute (ed.) Proceedings of 2011 lnternational Conference on Future Management Science and Engineering, Bali, Indonesia, 4-5 August,2011, pp. 1-6.

Document type: Conference Paper
Collection: Conference Papers

Title Comparison of three HVAC systems in commercial buildings from a life cycle perspective
Author(s) Chen, S
Zhang, G
Year 2011
Conference name lnternational Conference on Future Management Science and Engineering
Conference location Bali, Indonesia
Conference dates 4-5 August,2011
Proceedings title Proceedings of 2011 lnternational Conference on Future Management Science and Engineering
Editor(s) Information Engineering Research Institute
Publisher Lecture Notes in lnformation Technology
Place of publication Bali, Indonesia
Start page 1
End page 6
Total pages 6
Abstract Heating ventilation and air conditioning (HVAC) systems have a very important impact on the environment. The process of life cycle term of HVAC consumes great energy and emits large quantity of carbon dioxide gas in manufacture, construction, operation and maintenance, and demolition phases. The objectives of this paper are (1) to present the life cycle assessment and calculation methods for variable air volume (VAV), underfloor air delivery (UAD) and chilled beam systems; and (2) to compare the energy consumption and green house factors for these systems. A typical thirteen-story offrce building, located in Melbourne, was examined. The results show that the operation phase is responsible the greatest environmental impacts of the whole life cycle emissions. It is observed that the carbon emission from the operation represents between 29% and 73% of the life cycle carbon emission of a HVAC system. Manufacture ranks the second position in the overall life cycle. It represents 24%, 35% and 14% of the total life cycle carbon emission in VAV, chilled beam and UAD system respectively.
Subjects Construction Engineering
Building Construction Management and Project Planning
Building Science and Techniques
Keyword(s) life cycle carbon emissions
Variable air volume system
Underfloor air delivery system
Chilled beam system
Comparison
ISSN 2070-1918
 
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