The measurement of airflows using a rapid response tracer gas technique.

C Irwin, R E Edwards, A T Howarth

    Research output: Contribution to journalArticlepeer-review


    The multiple tracer gas technique of I'Anson et al. has been improved, in order to increase the rate at which samples can be taken. Using parallel gas chromatographic separation columns and an electron capture detector, it is now possible to take an air/tracer gas sample every thirty seconds in the case of a two-zone ventilation and air movement test. Rapid sampling enables a new,simplified analysis of the air movement between two connected zones to be employed. This analysis derives ventilation rates and intercell airflows simultaneously. A specimen set of results for two cell ventilation/air movement is given. KEYWORDS tracer gas, measurement technique, decay rate, air change rate, air movement, multi-chamber
    Original languageEnglish
    Pages (from-to)146-152
    JournalBuilding Services Engineering Research and Technology
    Issue number4
    Publication statusPublished - 1985


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