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Influence of winter natural ventilation on thermal environment of university dormitories under central heating mode in severe cold regions of China

Influence of winter natural ventilation on thermal environment of university dormitories under... The indoor thermal environment impacts people’s health, while it can be adjusted by natural ventilation. However, studies on the effects of winter natural ventilation on the thermal environment in severe cold regions are minimal. Through field measurements in university dormitories in winter in Shenyang, China, this study explored, under the central heating mode, the thermal environment differences in different orientations of the dormitory and its different indoor positions under natural ventilation and the influence of window opening area and duration on the thermal environment. The results show that under winter natural ventilation, the air temperature, mean radiation temperature, and adaptive predicted mean vote (APMV) of dormitories facing different orientations were mainly affected by the direct solar radiation reception. When the ventilation duration reached 15mins, with the ratio of window opening area to a ground area of 0.05, 0.11, and 0.16, the APMV decreased by about 0.35, 0.5, and 1, respectively. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Architectural Science Review Taylor & Francis

Influence of winter natural ventilation on thermal environment of university dormitories under central heating mode in severe cold regions of China

Zhang, Huiying; Liu, Zheming
Architectural Science Review , Volume 66 (3): 16 – May 4, 2023
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Publisher
Taylor & Francis
Copyright
© 2023 Informa UK Limited, trading as Taylor & Francis Group
ISSN
1758-9622
eISSN
0003-8628
DOI
10.1080/00038628.2023.2192192
Publisher site
See Article on Publisher Site

Abstract

The indoor thermal environment impacts people’s health, while it can be adjusted by natural ventilation. However, studies on the effects of winter natural ventilation on the thermal environment in severe cold regions are minimal. Through field measurements in university dormitories in winter in Shenyang, China, this study explored, under the central heating mode, the thermal environment differences in different orientations of the dormitory and its different indoor positions under natural ventilation and the influence of window opening area and duration on the thermal environment. The results show that under winter natural ventilation, the air temperature, mean radiation temperature, and adaptive predicted mean vote (APMV) of dormitories facing different orientations were mainly affected by the direct solar radiation reception. When the ventilation duration reached 15mins, with the ratio of window opening area to a ground area of 0.05, 0.11, and 0.16, the APMV decreased by about 0.35, 0.5, and 1, respectively.

Journal

Architectural Science Review – Taylor & Francis

Published: May 4, 2023

Keywords: Indoor thermal environment; natural ventilation; field measurement; central heating mode; student dormitories; severe cold regions

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