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Optimization Research of Insulating Layer Thickness for Rural Residence’s Exterior Wall in Northeast Severe Cold Regions Based on Life Cycle Cost

  • Teng ShaoEmail author
  • Hong Jin
  • Zheng Ma
Conference paper
  • 245 Downloads
Part of the Environmental Science and Engineering book series (ESE)

Abstract

As one of the essential components of rural residence’s envelope in severe cold regions, external wall’s heat transfer consumption accounts for about 40% of total heat consumption. Thermal insulation technology for exterior wall is one important method to improve building thermal performance. Meanwhile, the increasing of insulating layer thickness also raises the construction cost. It is necessary to determine the optimal thickness of external insulating layer from the perspective of life cycle cost. This paper, selecting the composite wall structure as research object and taking life cycle cost of external wall as evaluation index, establishes the GenOpt–EnergyPlus optimization platform by coupling EnergyPlus and GenOpt software to carry out the optimization. In the analysis, three types of insulation materials were selected to analysis. Considering that the length of life cycle may affect the effective utilization rate of operation and construction cost, three types of life cycle span are set, including 10, 20, and 30 years. Through the analysis, the optimal insulating layer thickness and changing rule of external wall under different conditions were discussed, which provides a basis for the selection of insulating layer’s material and thickness.

Keywords

Severe cold regions Rural residence’s exterior wall Thickness of insulating layer Life cycle cost 

Notes

Acknowledgements

The project is supported by the Fundamental Research Funds for the Central Universities (Number G2018KY0308) and the National Natural Science Foundation of China (Number 51378136).

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Copyright information

© Springer Nature Singapore Pte Ltd. 2020

Authors and Affiliations

  1. 1.School of Mechanics, Civil Engineering and ArchitectureNorthwestern Polytechnical UniversityXi’anChina
  2. 2.School of ArchitectureHarbin Institute of TechnologyHarbinChina
  3. 3.Research Institute for National Defense Engineering of Academy of Military Science PLABeijingChina

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