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Research Article

Study on attached ventilation based on inclined walls

Yicun Hou1, Angui Li1( ), Jing Yang2, Yu Tian1, Dingmeng Wu3
School of Building Services Science and Engineering, Xi’an University of Architecture and Technology, Xi’an 710055, China
China Northeast Architectural Design & Research Institute Co., Ltd, Shenyang, China
School of Environmental and Municipal Engineering, Xi'an University of Architecture and Technology, Xi’an 710055, China
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Abstract

In practical engineering, inclined building walls are often presented due to their functional and aesthetic needs. A reasonable air distribution design is essential for creating a satisfactory indoor environment in such buildings. In the present study, inclined walls with a variable inclination angle β were used as the research object to explore a novel air supply mode. Visualization experiments and numerical simulations were conducted to investigate the induced airflow, such as the airflow pattern, the airflow characteristics (maximum jet velocity decay and jet spreading rate) and the ventilation effect (vertical air temperature difference, draft rate, air diffusion performance index). The results show that the "air lake" phenomena occurred over the floor, which resembles the displacement ventilation to some extent. The proposed air supply mode has a good ventilation effect and could be applied to building spaces with inclined walls. The current study can be used as a reference for ventilation design in buildings with inclined walls.

Keywords

numerical simulationattached ventilationinclined wallvisualization experiments

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Building Simulation
Volume 14 Issue 3,
June 2021
Pages 667-679
DOI: 10.1007/s12273-020-0662-x
Cite this article:
Hou Y, Li A, Yang J, et al. Study on attached ventilation based on inclined walls. Building Simulation, 2021, 14(3): 667-679. https://doi.org/10.1007/s12273-020-0662-x

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Received: 21 January 2020
Accepted: 13 May 2020
Published: 10 August 2020
© Tsinghua University Press and Springer-Verlag GmbH Germany, part of Springer Nature 2020
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