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Research Article

Research on optimization and design methods for air distribution system based on target values

Ran Gao1,2( ), Hengchun Zhang1, Angui Li1,2, Shihao Wen1, Wuyi Du3, Baoshun Deng3
School of Building Services Science and Engineering, Xi’an University of Architecture and Technology, Xi’an 710055, China
School of Thermal Engineering, Shandong Jianzhu University, Jinan 250101, Shandong, China
China Railway First Survey & Design Institute Group, Xi’an 710043, China
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Abstract

To achieve sufficient air conditioning of large buildings, reasonable air distribution in indoor spaces is an effective method for creating stratified air conditioning. Therefore, optimizing the air distribution in large buildings is extremely significant. In this paper, we expound on a new method for air distribution design and optimization based on target value evaluation and summarize the relevant design processes based on an orthogonal test and by decoupling the effects of the size of the tuyère, airflow temperature, air-supply angle and velocity on air distribution. Then, we present a design case. To optimize the distribution of a lateral air supply in winter, the deflection angle, velocity and temperature of the air supply can be determined in turn. For the large and tall building types addressed in this paper, the optimal air-supply angle is 2°, the optimal air-supply velocity is 8 m/s, and the optimal air-supply temperature is 19 °C.

Keywords

air distributiontarget valueindicator optimization

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Building Simulation
Volume 14 Issue 3,
June 2021
Pages 721-735
DOI: 10.1007/s12273-020-0679-1
Cite this article:
Gao R, Zhang H, Li A, et al. Research on optimization and design methods for air distribution system based on target values. Building Simulation, 2021, 14(3): 721-735. https://doi.org/10.1007/s12273-020-0679-1

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Received: 21 February 2020
Accepted: 17 June 2020
Published: 08 September 2020
© Tsinghua University Press and Springer-Verlag GmbH Germany, part of Springer Nature 2020
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