期刊
ENERGY AND BUILDINGS
卷 42, 期 6, 页码 815-821出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.enbuild.2009.12.001
关键词
Net energy; Building life cycle; Zero energy building; Embodied energy; Net-zero energy building; Life cycle energy analysis
资金
- Irish Research Council for Science, Engineering and Technology
- National Development Plan of Ireland
There are various definitions of 'zero energy' and 'net-zero' energy building. In most cases, the definitions refer only to the energy that is used in the operation of the building, ignoring the aspects of energy use related to the construction and delivery of the building and its components. On the other hand the concept of 'net energy' as used in the field of ecological economics, which does take into account the energy used during the production process of a commodity, is widely applied in fields such as renewable energy assessment. In this paper the concept of 'net energy' is introduced and applied within the built environment, based on a methodology accounting for the embodied energy of building components together with energy use in operation. A definition of life cycle zero energy buildings (LC-ZEB) is proposed, as well as the use of the net energy ratio (NER) as a factor to aid in building design with a life cycle perspective. (C) 2009 Elsevier B.V. All rights reserved.
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