Using the torque characteristics of dampers to measure airflow, Part 2 : analysis and testing

Federspiel C.
air flow, measurement, model
Year:
2004
Bibliographic info:
HVAC&R Research, Vol 10, n° 1, January 2004, pp 65-72, 7 Fig., 6 Ref.

Thanks to an uncertainty analysis, the demonstration has been made that the APT method can, over a wide range of conditions, outperform a pitot tube, but can't do it when the damper is nearly open. Tests have confirmed the results of the uncertainty analysis.

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