VALIDITY OF RESEARCH BOUNDARY IN ENERGY SYSTEM LIFE CYCLE ASSESSMENT

被引：0
|
作者：
Su, X. [1 ,2 ]
Zhou, X. [1 ]
Zhang, X. [1 ]
机构：
[1] Tongji Univ, HVAC & Gas Inst, Shanghai 200092, Peoples R China
[2] Tongji Univ, Coll Environm Sci & Engn, Shanghai 200092, Peoples R China
来源：
7TH INTERNATIONAL SYMPOSIUM ON HEATING, VENTILATING AND AIR CONDITIONING, PROCEEDINGS OF ISHVAC 2011, VOLS I-IV | 2011年
关键词：
Life cycle assessment; Truncation error; Upstream phase; Energy consumption; Iterative calculation; INPUT-OUTPUT;
D O I：
暂无
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
A truncation error resulting from the omission of environmental loads on the higher upstream orders of product system occurs in process life cycle assessment, which causes underestimation of inventory analysis results. The incompleteness of energy life cycle inventory analysis result is quantified by iterative calculation method, the magnitude of this truncation error varies with the type of energy system considered, but can be up to 23%. The completeness significantly increases with increasing iteration times, and surpass 99% at three times order.
引用
收藏
页码：1278 / 1282
页数：5
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