期刊
ENERGY
卷 97, 期 -, 页码 58-68出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.energy.2015.11.056
关键词
Life cycle carbon footprint; Life cycle cost; Life cycle analysis; Genetic algorithms; District heating
资金
- Engineering and Physical Sciences Research Council (EPSRC) via UCL EngD Centre in Virtual Environments, Imaging and Visualisation [EP/G037159/1]
- Hawkins Brown Architects
- EPSRC [EP/K011839/1, EP/I02929X/1] Funding Source: UKRI
- Engineering and Physical Sciences Research Council [EP/K011839/1, 1342065, EP/I02929X/1] Funding Source: researchfish
Early design decisions made by architects have been shown to significantly impact the energy performance of buildings. However, designers often lack the resources or knowledge to take informed decisions that might improve building performance. The refurbishment of existing buildings is considered to significantly contribute to the reduction of the life cycle environmental impact of buildings. Building refurbishment is also seen as the most cost-effective way of achieving this goal. In assessing the life cycle impacts of constructing and usage processes of buildings, LCA (life cycle analysis) is often used. In order to simplify the decision-making process in early design, this study uses MOGA (multi objective genetic algorithms) to find optimal designs for a refurbishment of a residential complex case study, in terms of LCCF (life cycle carbon footprint) and LCC (life cycle cost) over an assumed life span of 60 years. Results show that utilizing MOGA has the potential to reduce the refurbishment LCCF and LCC. Findings emphasize the life-cycle impacts of insulating thermal bridges and the importance of using different heating systems and fuels. Finally, in comparing LCA with more commonly used performance-based decision-making design procedures, the study highlights that employing these distinctive methods can lead to different design solutions. (C) 2015 The Authors. Published by Elsevier Ltd.
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