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

Category: Control Techniques and Strategy

Accepted Manuscripts
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

  • 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


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.


Following the experimental and numerical investigations on the Xi’an demonstration unit in Part I, this Part II paper presents a parametric study on the proposed urban-scale SALSCS by using the validated numerical model. This study is aimed to understand the influence of various ambient and geometric variables on system performance. Ambient parameters covered in this paper include solar irradiation, ambient-air temperature, and 2-m depth ground temperature, while geometric variables include inlet and outlet heights of solar collector, collector side length, tower side length and tower height. Effect of pressure drop across filters on system flow rate has been evaluated as well. Parameters with considerable influence on the system performance were identified.


SALSCS Air pollution remediation Ambient parameters System dimensions Solar chimney

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