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Experimental study on cylindrical capacitance sensor

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4 Author(s)
Wenfeng Xu ; School of Instrument Science and Opto-electronic Engineering, Beihang University, Beijing, China ; Lijun Xu ; Xingbin Liu ; Jinhai Hu

In this paper, a cylindrical capacitance sensor with a multi-layer structure was presented. The mathematical model in stratified flow was established and the sensor response in non-stratified flow was also discussed. Results of static experiments agreed well with the stratified model and showed a monotonic relationship between the sensor response and the water holdup. Dynamic experiments were carried out using a long pipeline with inner diameter (ID) 20 mm. A section of plexiglas pipe with the same ID was installed on the line through which pictures of flow state could be shot by a camera. The mathematical model, experiments and results were detailed in the paper.

Published in:

Instrumentation and Measurement Technology Conference, 2009. I2MTC '09. IEEE

Date of Conference:

5-7 May 2009