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Title: Measuring flowrate of fans by embedded sensors
Author: Isabelle CARE Alain GUEDEL
Source: 2018 International Symposium on Fluid Flow Measurement
Year Published: 2018
Abstract: The measurement of the flow rate of fans installed in systems or equipment with sensors on the fan itself allows better knowing or/and controlling the flow if it varies with time. This paper presents experimental results on a double-inlet forward-curved centrifugal fan equipped with static pressure taps flush-mounted in the inlet bells. Tests are performed on a test rig using orifice plates to establish the relationship between the measured pressure at the fan inlet and the known flow rate. The model is built using a Generalized Gauss Markov Regression. An uncertainty analysis is then made to evaluate the impact of the different uncertainty components on the calculated flow rate.




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