Articles online

Strategy for Studying Ventilation Performance in Factories

Category: Control Techniques and Strategy

Volume: 16 | Issue: 2 | Pages: 442-452
DOI: 10.4209/aaqr.2014.09.0210

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Jie Zhang1, Zhengwei Long 1, Wei Liu1,2, Qingyan Chen1,2

  • 1 Tianjin Key Lab. of Indoor Air Environmental Quality Control, School of Environmental Science and Engineering, Tianjin University, Tianjin 300072, China
  • 2 School of Mechanical Engineering, Purdue University, West Lafayette, IN 47907, USA


A strategy to study aerosol transport and ventilation control in factories is developed.
On-site measurements are performed for boundary conditions and model validation.
The performances of different configurations of ventilation system are discussed.


High concentrations of airborne particulate matter in factories can cause serious health problems for workers. One significant reason for these high concentrations is the poor performance of the ventilation systems in workplaces. This investigation developed a strategy that combines computational fluid dynamics (CFD) simulations and on-site measurements to study and improve the ventilation performance in factories. The CFD simulations were able to predict the flow field and particle distributions in factories with complex layouts. The corresponding on-site measurements were performed to provide boundary conditions for the CFD simulations and to obtain key data about airflow and air quality for validating the simulations. This study used the strategy to improve ventilation performance in an automotive parts factory. Three ventilation systems were studied: a roof exhaust system, combined roof exhaust and air recirculation systems, and combined roof exhaust and displacement ventilation systems. This study found that the combined roof exhaust and displacement ventilation systems provided acceptable indoor air quality and thermal comfort levels in the factory.


Factory Particulate matter Ventilation Field measurement CFD

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