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Velocity measurement of pneumatically conveyed particles using intrusive electrostatic sensors

Velocity measurement of pneumatically conveyed particles using intrusive electrostatic sensors

Shao, Jiaqing, Krabicka, Jan and Yan, Yong (2010) Velocity measurement of pneumatically conveyed particles using intrusive electrostatic sensors. IEEE Transactions on Instrumentation and Measurement, 59 (5). pp. 1477-1484. ISSN 0018-9456 (doi:10.1109/TIM.2010.2040960)

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Abstract

This paper reports recent developments of electrostatic sensors for the continuous velocity measurement of particles in pneumatic conveying pipelines. The optimization of intrusive electrostatic sensors is investigated through finite-element modeling and experimental evaluation. The effects of electrode dimensions and intrusion depth on sensor signals and correlation-based velocity measurement are addressed. The modeling results were validated for a range of velocity profiles using a dedicated belt rig, which produces idealized particle flow. A series of online experimental tests using circular and rod electrodes was conducted on an industrial-scale pneumatic conveyor injecting pulverized coal and biomass particles. The results demonstrate that electrostatic sensors are capable of providing reliable velocity measurement of pneumatically conveyed particles with excellent repeatability and fast dynamic response in an industrial environment.

Item Type: Article
Additional Information: [1] Date of Publication :18 February 2010. Date of Current Version : 05 April 2010. Issue Date : May 2010.
Uncontrolled Keywords: biomass, electrode, electrostatic sensor, flow measurement, pulverized fuel, two-phase flow, velocity measurement
Subjects: T Technology > TK Electrical engineering. Electronics Nuclear engineering
Pre-2014 Departments: School of Engineering
School of Engineering > Mobile & Wireless Communications Research Laboratory
Related URLs:
Last Modified: 14 Oct 2016 09:23
Selected for GREAT 2016: None
Selected for GREAT 2017: None
Selected for GREAT 2018: None
URI: http://gala.gre.ac.uk/id/eprint/9379

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