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An analysis of different tracer gas techniques to determine the air exchange efficiency in a mechanically ventilated room.

Author(s) : JUNG A., ZELLER M.

Summary

Two upward and two mixing ventilation systems have been installed in a full-scale laboratory room with an adiabatic surrounding. The air exchange efficiency has been determined by means of the step-up, the step-down and the pulse technique using the two tracer gases SF6 and nitrous oxide simultaneously. The air exchange rate and the internal heat load have been varied in such a way that they meet practical demands for an office room. The influence of in- and exfiltration has been considered theoretically. Conclusions of these measurements are given.

Details

  • Original title: An analysis of different tracer gas techniques to determine the air exchange efficiency in a mechanically ventilated room.
  • Record ID : 1995-1772
  • Languages: English
  • Source: ROOMVENT '94. Air distribution in rooms. Proceedings.
  • Publication date: 1994/06/15
  • Document available for consultation in the library of the IIR headquarters only.

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