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CFD (computational fluid dynamics) simulation of concentrations of gaseous impurities in a typical Hong Kong office.

Author(s) : LIN Z., CHOW T. T., FONG K. F., et al.

Summary

A validated CFD model was employed to generate concentration distribution data for CO2, radon and moisture in a typical Hong Kong office with mixing ventilation. Analysis found that the concentration distribution was affected by factors such as the source type and location and its associated plume strength and human body convection, etc. The indoor radon comes from building materials.The indoor CO2 and moisture are from the occupants. Because the upward free convection around a person brings the air from lower level to the breathing zone, the inhaled air with displacement ventilation is cleaner than the air at the same height. Prediction of contaminant distribution is more difficult than air temperature and flow distribution.

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Details

  • Original title: CFD (computational fluid dynamics) simulation of concentrations of gaseous impurities in a typical Hong Kong office.
  • Record ID : 2000-1514
  • Languages: English
  • Source: 20th International Congress of Refrigeration: Refrigeration into the Third Millennium.
  • Publication date: 1999/09/19

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