THERMAL SCIENCE

International Scientific Journal

Xiaofei Zhen

,

Shange Li

,

Jianming Peng

,

Zhouyang Zhao

,

Xu Zhang

,

Chuanxi Tan

,

Ruonan Jiao

,

Wenbing Wu

,

Han Zhan

ANALYSIS OF THE INFLUENCE OF OUTER ENVELOPE STRUCTURE ON INDOOR THERMAL ENVIRONMENT OF ZERO ENERGY BUILDING

ABSTRACT
Zero-energy building is the main development trend in the current construction field. Reducing the carbon emission of the building, enhancing the indoor comfort of the building, and improving the comprehensive performance of the building are the current research hotspots in the field of construction, and it is necessary to explore the impact of the envelope on the performance of the building as the main medium for the transfer of indoor and outdoor heat in the building. In this paper, zero energy consumption buildings in Northwest China are taken as the study application. Numerical simulation and experimental research are combined to compare and analyze the changes of indoor thermal environment under the conditions of external wall insulation layer thickness of 150 mm, 140 mm, 130 mm and window-wall ratio of 0.36 and 0.5 in the heating season. The results show that the indoor comfort level of 130 mm is lower than that of 140 mm and 150 mm external wall insulation layer thickness, and in winter, the increase of window wall ratio improves indoor thermal comfort. In general, increasing the thickness of external wall insulation layer and window wall ratio can be effective means to improve indoor comfort. However, blindly increasing the thickness of insulation layer and window wall ratio will only cause resource waste and cost increase, affecting the long-term development of zero-energy buildings.
KEYWORDS
zero energy building, Outer protective structure, Indoor comfort, numerical simulation
PAPER SUBMITTED: 2023-09-22
PAPER REVISED: 2024-01-10
PAPER ACCEPTED: 2024-07-30
PUBLISHED ONLINE: 2024-10-12
DOI REFERENCE: https://doi.org/10.2298/TSCI230922231Z
CITATION EXPORT: view in browser or download as text file
THERMAL SCIENCE YEAR 2024, VOLUME 28, ISSUE Issue 5, PAGES [4267 - 4284]
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Analysis of the influence of outer envelope structure on indoor thermal environment of zero energy building

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