A comparison in measurement of local and room mean age of air.

Breum N O
ageing, air flow, tracer gas, mixing, test chamber
Year:
1992
Bibliographic info:
Air Infiltration Review, Vol 13, No 2, March 1992, pp 8-9, 1 fig, 2 tabs, 7 refs. #DATE 00:03:1992 in English

The three common tracer injection strategies all proved reliable in a test chamber under complete mixing conditions. For field studies of air flow patterns in large rooms the step-up method or the pulse method is recommended to escape the initial complete mixing condition of the decay method.

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