Impact of urban densification on building energy consumption

被引：1

作者：

Liu, Dalong ^{[1
]}

Wang, Wenqin ^{[2
]}

Ge, Hua ^{[3
]}

机构：

[1] Xian Univ Architecture & Technol, Coll Architecture, Xian, Peoples R China

[2] Xian Univ Architecture & Technol, Xian, Peoples R China

[3] Concordia Univ, Civil & Environm Engn, Montreal, PQ, Canada

来源：

12TH NORDIC SYMPOSIUM ON BUILDING PHYSICS (NSB 2020) | 2020年 / 172卷

基金：

中国国家自然科学基金;

关键词：

urban densification; building layout; short-wave radiation; long-wave radiation; complex radiation field; building energy consumption; STREET CANYONS; DENSITY;

D O I：

10.1051/e3sconf/202017216001

中图分类号：

TU [建筑科学];

学科分类号：

0813 ;

摘要：

The close layout of buildings is an important cause of urban densification. It makes solar radiation and long-wave radiation being blocked, scattered, and reflected multiple times. Radiant heat is a key factor affecting building energy consumption. The formation mechanism of urban radiation field in the spaces surrounded by dense buildings was analysed. Calculation models were established for the intensity of short-wave and long-wave radiations in spaces surrounded by dense buildings. Characteristics of the radiation field in the enclosed space was analysed. Two typical cities were selected for the analysis of the impact of urban densification on building energy consumption in the hot summer and warm winter zones of China. Studies have shown that the cooling energy consumption of residential buildings in enclosed space can be reduced by 7-15% compared with open space in China's hot summer and warm winter areas. This research will lay the foundation for urban design and architectural design.

引用

页数：6

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