期刊
FRONTIERS IN ENERGY RESEARCH
卷 6, 期 -, 页码 -出版社
FRONTIERS MEDIA SA
DOI: 10.3389/fenrg.2018.00025
关键词
building design optimization; energy efficiency design standard; life cycle cost; thermal comfort; multi-objective genetic algorithm
资金
- Natural Science Foundation of Hubei Province [2017CFB602]
- Wuhan Committee of Municipal and Rural Construction [191]
- Wuhan University of Technology [40120171, 20410632, 20410646, 35400206]
Building design following the energy efficiency standards may not achieve the optimal performance in terms of investment cost, energy consumption and thermal comfort. In this paper, an improved multi-objective genetic algorithm (NSGA-II) is combined with building simulation to assist building design optimization for five selected cities located in the hot summer and cold winter region in China. The trade-offs between the annual energy consumption (AEC) and initial construction cost, as well as between life cycle cost (LCC) and number of thermal discomfort hours, were explored. Sensitivity analysis of various design parameters on building energy consumption is performed. The optimizations predicted AEC reduction of 29.08% on average, as compared to a reference building designed following the standard, and 38.6% with 3.18% more cost on the initial investment. New values for a number of building design parameters are recommended for the revision of relevant building energy efficiency standard.
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