Economic, energy and environmental life cycle assessment of a liquid flow window in different climates

In this study, life cycle assessment was applied to a novel liquid flow window, based on the cases of sports center application in different climates of Hong Kong and Beijing. The economic, environmental and energy impacts of selected window frame material, the expected lifetime and cost of the work...

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Bibliographic Details
Published in:Building simulation 2020-08, Vol.13 (4), p.837-848
Main Authors: Lyu, Yuanli, Chow, Tin-tai
Format: Article
Language:English
Subjects:
Atmospheric Protection/Air Quality Control/Air Pollution
Building Construction and Design
Engineering
Engineering Thermodynamics
Environmental impact
Fluid dynamics
Heat and Mass Transfer
Life cycle assessment
Liquid flow
Monitoring/Environmental Analysis
Payback periods
Research Article
Stainless steels
Steel frames
Working fluids
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Summary:In this study, life cycle assessment was applied to a novel liquid flow window, based on the cases of sports center application in different climates of Hong Kong and Beijing. The economic, environmental and energy impacts of selected window frame material, the expected lifetime and cost of the working fluid and accessory components were assessed. It was found that the use of wooden frame could be advantageous in that the cost payback time is less than 1.4 years in Hong Kong and well below 5.5 years in Beijing. Nevertheless, when stainless steel frame was in use, the cost payback period would increase to 3.0 and 7.0 years for Hong Kong and Beijing respectively. The lengthy payback time of Beijing is mainly caused by the use of expensive anti-freezer in the liquid circulation. Sensitivity test showed that by taking efforts to lower the material costs and to prolong the lifetime of working liquid, the cost payback time in Hong Kong and Beijing could be reduced to 1.5 and 3.6 years or lower.
ISSN:1996-3599
1996-8744
DOI:10.1007/s12273-020-0636-z