Analyses of characteristics of ring-shaped electrostatic meter

Jianyong Zhang, Donglai Xu, John M. Coulthard, Chuanlong Xu, Shimin Wang

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Abstract

This article describes the characteristics of ring-shaped electrostatic pulverized fuel meters and their applications. At the University of Teesside, UK, the electrostatic technique has been used to measure pulverized fuel flow concentration, velocity, and mass flow rate under lean-phase condition. The mathematic model has been developed to express the relationship between the root-mean-square (rms) value of the meter's output voltage and solids mass flow rate. The effects of solids velocity and particle size on measurements have also been reflected in the model. Furthermore, the model presents the sensitivity variations over the cross-sectional area of meter and along the pipe axis. The article also introduces the research carried out at Southeast University in China, where the technique has been extended to measure dense-phase flow of pulverized coal, which is common in gasification and blast furnaces.
Original languageEnglish
Pages (from-to)192 - 203
Number of pages12
JournalChemical Engineering Communications
Volume197
Issue number2
DOIs
Publication statusPublished - 10 Nov 2009

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