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Tracer gas mixing with air.

Author(s) : SHAO L., SHARPLES S., WARD I. C.

Type of article: Article

Summary

A study of tracer-air mixing was carried out using a time dependent computational fluid dynamics method, supported by conceptual-dimensional analysis. In the study, 12 cases of tracer-air mixing in simulated tracer decay tests were computed. Each case had a different zonal volume or other boundary or initial conditions. By comparing these results, it was found that there were many factors affecting tracer-air mixing and, contrary to a previous report, there does not exist a universal critical value of air change rate below which satisfactory mixing is guaranteed, although lower air change rates are generally beneficial to mixing.

Details

  • Original title: Tracer gas mixing with air.
  • Record ID : 1994-1124
  • Languages: English
  • Source: Build. Serv. Eng. Res. Technol. - vol. 14 - n. 2
  • Publication date: 1993
  • Document available for consultation in the library of the IIR headquarters only.

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