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Sustainability 2017, 9(10), 1708; doi:10.3390/su9101708

The Effect of Geometry Parameters on Energy and Thermal Performance of School Buildings in Cold Climates of China

1
School of Architecture, Tianjin University, No. 92 Weijin Street, Nankai District, Tianjin 300072, China
2
Department of Architectural Engineering and Technology, Faculty of Architecture and the Built Environment, Delft University of Technology, P.O. Box 5043, 2600 GA Delft, The Netherlands
*
Author to whom correspondence should be addressed.
Received: 7 August 2017 / Revised: 16 September 2017 / Accepted: 20 September 2017 / Published: 24 September 2017
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Abstract

This paper discusses the role of geometry parameters including building shape, window to wall ratio, room depth, and orientation on the energy use and thermal comfort of school buildings in cold climates of China. The annual total energy demand and summer thermal discomfort time were compared through computer simulations with DesignBuilder. Furthermore, a questionnaire was conducted that related to the students’ subjective preference for various building geometry parameters. Results showed that a maximum of 13.6% of energy savings and 3.8% of thermal comfort improvement when compared to the reference case could be achieved through variations in geometry parameters. The H shape performed the best when the building thermal performance and students’ preferences were considered, as well as the various design options for architects. Window to wall ratio, room depth, and orientation should also be carefully addressed in terms of different building types. The results of this study can serve as a reference for architects and school managers in the early design stages of schools in cold climates of China. View Full-Text
Keywords: school building; geometry parameter; energy consumption; thermal comfort; geometric preference school building; geometry parameter; energy consumption; thermal comfort; geometric preference
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Zhang, A.; Bokel, R.; van den Dobbelsteen, A.; Sun, Y.; Huang, Q.; Zhang, Q. The Effect of Geometry Parameters on Energy and Thermal Performance of School Buildings in Cold Climates of China. Sustainability 2017, 9, 1708.

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