Research on Envelope Thermal Performance of Ultra-Low Energy Rural Residential Buildings in China
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Published:2023-04-20
Issue:8
Volume:15
Page:6931
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ISSN:2071-1050
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Container-title:Sustainability
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language:en
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Short-container-title:Sustainability
Author:
Deng Qinqin1,
Zhang Shengnan1,
Shan Ming2,
Li Ji1
Affiliation:
1. State Key Laboratory of Building Safety and Environment, China Academy of Building Research, Beijing100013, China
2. Department of Building Science, Tsinghua University, Beijing 100084, China
Abstract
Rural energy consumption plays an important role in energy consumption due to the improvement of rural residents’ living quality requirements in China. Ultra-low energy rural residential buildings are proposed to decrease rural energy consumption. First of all, this paper aims to provide the definition of ultra-low energy rural residential buildings, which is to reduce 50% of the building energy consumption of the rural residential benchmark building according to the Chinese standard for energy efficiency of rural residential buildings. Secondly, this paper presents the heat transfer coefficients of building envelopes of ultra-low energy rural residential buildings in the severe cold zone, cold zone and hot summer and cold winter zone in China. Based on optimized design and simulation analysis, the heat transfer coefficients of building envelopes are determined by the construction cost, energy efficiency and retrofit feasibility. Thirdly, the suitable combination of a high-performance external wall and internal wall is recommended based on carbon emission and cost efficiency. As an achievement, a technical specification for ultra-low energy rural buildings has been proposed by the China Academy of Building Research. It is beneficial to design ultra-low energy rural residential buildings in China and other countries.
Funder
Ministry of Housing and Urban-Rural Development
“Research Service on the Organizational System and Institutional System of Green Urban-Rural Development”
“Research on low carbon and carbon neutral design methods and key technologies of residential and public buildings”
Subject
Management, Monitoring, Policy and Law,Renewable Energy, Sustainability and the Environment,Geography, Planning and Development,Building and Construction
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