A flow monitoring system based on a constant temperature hot-film anemometer is presented. The device has been designed to monitor a dispensing process of extremely low quantities of adhesive material. The monitoring device presented in this paper is useful in industrial applications where exact flow speed tracking is not needed, but reliability and tolerance to parameters variability are essential. During the design of the device, problems related to the physical characteristic of the calorimetric sensor, in particular its thermal capacitance, and to the periodic nature of the monitored flow have been taken into account and suitable solutions have been implemented. The schematic representation of the monitoring device together with the experimental results obtained by monitoring fluids with different physical characteristics are presented.
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December 2011
Brief Report|
December 20 2011
Note: Signal conditioning of a hot-film anemometer for a periodic flow rate monitoring system
Federico Mantovani;
Dipartimento di Ingegneria dell’Informazione,
Università di Parma
, Parma 43124, Italy
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Cristian Tagliaferri
Dipartimento di Ingegneria dell’Informazione,
Università di Parma
, Parma 43124, Italy
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a)
Electronic mail: [email protected].
b)
Electronic mail: [email protected].
Rev. Sci. Instrum. 82, 126109 (2011)
Article history
Received:
October 27 2011
Accepted:
December 04 2011
Citation
Federico Mantovani, Cristian Tagliaferri; Note: Signal conditioning of a hot-film anemometer for a periodic flow rate monitoring system. Rev. Sci. Instrum. 1 December 2011; 82 (12): 126109. https://doi.org/10.1063/1.3672998
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