Exergy analysis combined with LCA for building envelope energy efficiency retrofit

被引：7

作者：

Zhou, Yan ^{[1
,2
]}

Gong, Guangcai ^{[1
]}

机构：

[1] Hunan Univ, Coll Civil Engn, Changsha 410082, Hunan, Peoples R China

[2] Ningbo Univ, Fac Architectural Civil Engn & Environm, Ningbo 315211, Zhejiang, Peoples R China

来源：

INTERNATIONAL JOURNAL OF EXERGY | 2011年 / 8卷 / 04期

关键词：

exergy analysis; LCA; existing building; energy efficiency retrofit; EXISTING RESIDENTIAL BUILDINGS; PERFORMANCE; RENOVATION;

D O I：

10.1504/IJEX.2011.041028

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

This article presents a kind of exergy analysis combined with LCA to evaluate the building envelope energy efficiency retrofit. A typical case in Ningbo city of China is analysed. The results show that it takes 15 years for the cumulative saved energy consumption in the use stage to equal the embodied energy of the newly added insulation materials in the product stage. Yet, it is impossible that the embodied exergy equals the cumulative saved exergy consumption in the building lifespan after retrofit. So the energy and exergy efficiency of the retrofit measures with LCA should be accounted as a whole.

引用

页码：379 / 391

页数：13

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