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Sensors 2013, 13(2), 1563-1577; doi:10.3390/s130201563
Article

A New Method for Flow Rate Measurement in Millimeter-Scale Pipes

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Received: 19 November 2012; in revised form: 10 January 2013 / Accepted: 14 January 2013 / Published: 25 January 2013
(This article belongs to the Section Physical Sensors)
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Abstract: Combining the Capacitively Coupled Contactless Conductivity Detection (C4D) technique and the principle of cross correlation flow measurement, a new method for flow rate measurement in millimeter-scale pipes was proposed. The research work included two parts. First, a new five-electrode C4D sensor was developed. Second, with two conductivity signals obtained by the developed sensor, the flow rate measurement was implemented by using the principle of cross correlation flow measurement. The experimental results showed that the proposed flow rate measurement method was effective, the developed five-electrode C4D sensor was successful, and the measurement accuracy was satisfactory. In five millimeter-scale pipes with different inner diameters of 0.5, 0.8, 1.8, 3.0 and 3.9 mm respectively, the maximum relative difference of the flow rate measurement between the reference flow rate and the measured flow rate was less than 5%.
Keywords: flow rate measurement; Capacitively Coupled Contactless Conductivity Detection; cross correlation flow measurement; millimeter-scale pipes flow rate measurement; Capacitively Coupled Contactless Conductivity Detection; cross correlation flow measurement; millimeter-scale pipes
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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MDPI and ACS Style

Ji, H.; Gao, X.; Wang, B.; Huang, Z.; Li, H. A New Method for Flow Rate Measurement in Millimeter-Scale Pipes. Sensors 2013, 13, 1563-1577.

AMA Style

Ji H, Gao X, Wang B, Huang Z, Li H. A New Method for Flow Rate Measurement in Millimeter-Scale Pipes. Sensors. 2013; 13(2):1563-1577.

Chicago/Turabian Style

Ji, Haifeng; Gao, Xuemin; Wang, Baoliang; Huang, Zhiyao; Li, Haiqing. 2013. "A New Method for Flow Rate Measurement in Millimeter-Scale Pipes." Sensors 13, no. 2: 1563-1577.


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