Finding the right mix.

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

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.

Tracer gas mixing with air: effect of tracer species.

              

Testing of fresh air mixing devices.

    

Tracer gas mixing with air.

             

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