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Air change rates and carbon dioxide concentrations in a high-rise office building.

Author(s) : REARDON J. T., SHAWC. Y., VACULIK F.

Summary

The feasibility of controlling ventilation rates using occupant-generated carbon dioxide as the control index was examined in a large high-rise office building with a constant-volume heating, ventilating, and air-conditioning system. Of particular interest was how well the CO2 concentrations measured in the central ventilation system's return air plenum represented the average CO2 concentration behaviour in the building as a whole. CO2 concentration profiles were also measured on individual floorspaces in the building to determine the range of variability in the concentration behaviour in occupied zones. The practicability of using CO2 as an active tracer gas to measure air change rates was also investigated. The results are discussed.

Details

  • Original title: Air change rates and carbon dioxide concentrations in a high-rise office building.
  • Record ID : 1995-3768
  • Languages: English
  • Source: ASHRAE Transactions 1994.
  • Publication date: 1994
  • Document available for consultation in the library of the IIR headquarters only.

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