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Urban-scale SALSCS, Part II: A Parametric Study of System Performance

Category: Control Techniques and Strategy

Volume: 18 | Issue: 11 | Pages: 2879-2894
DOI: 10.4209/aaqr.2018.06.0239
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Qingfeng Cao1, Minghua Huang2, Thomas H. Kuehn1, Lian Shen1, Wen-Quan Tao2, Junji Cao3, David Y.H. Pui 1,2,4

  • 1 Department of Mechanical Engineering, University of Minnesota, Minneapolis, Minnesota 55455, USA
  • 2 Xi’an Jiaotong University, Xi’an, Shaanxi 710049, China
  • 3 Key Lab of Aerosol Chemistry & Physics, Institute of Earth Environment, Chinese Academy of Sciences, Xi’an, Shaanxi 710061, China
  • 4 School of Science and Engineering, Chinese University of Hong Kong, Shenzhen, Guangdong 518172, China

Highlights

A parametric study was conducted for urban-scale SALSCS.
Effects of ambient and geometric variables on system performance were considered.
Parameters with considerable influence on the system performance were identified.
The study provides guidance for future system design and construction.


Abstract

Following the experimental and numerical investigations of the Xi’an demonstration unit in Part I, Part II presents a parametric study on the proposed urban-scale SALSCS by using the validated numerical model. This study is aimed at understanding the influence of different variables on system performance, namely, the solar irradiation, ambient-air temperature and ground temperature at a 2-m depth as ambient parameters, and the inlet and outlet heights of the solar collector, collector width, tower width and tower height as geometric parameters. The effect of pressure drop across the filters on the system flow rate has been evaluated as well. The parameters that considerably influence the system performance have been identified.

Keywords

SALSCS Air pollution remediation Ambient parameters System dimensions Solar chimney


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