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Charge Distribution Reconstruction in a Bubbling Fluidized Bed Using a Wire-Mesh Electrostatic Sensor

Zhang, Wenbiao and Yang, Binbin and Qian, Xiangchen and Yan, Yong (2016) Charge Distribution Reconstruction in a Bubbling Fluidized Bed Using a Wire-Mesh Electrostatic Sensor. In: 2016 IEEE International Instrumentation and Measurement Technology Conference Proceedings. IEEE, pp. 28-32. ISBN 978-1-4673-9221-1. E-ISBN 978-1-4673-9220-4. (doi:10.1109/I2MTC.2016.7520328)

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The presence of electrostatic charge in a bubbling fluidized bed influences the operation of the bed. In order to maintain an effective operation, the electrostatic charges in different positions of the bed should be monitored. In this paper a wire-mesh electrostatic sensor is introduced to reconstruct the charge distribution in a bubbling fluidized bed. The wire-mesh sensor is fabricated by two mutually perpendicular strands of insulated wires. A Finite Element Model is built to analyze the sensing characteristics of the sensor. The sensitivity distributions of each wire electrode and the whole sensor are obtained from the model, which proves that wire-mesh electrostatic sensor has a higher and more uniform sensitivity distribution than single wire sensors. Experiments were conducted in a gravity drop test rig to validate the reconstruction method. Experimental results show that the charge distribution can be reconstructed when sand particles pass through the cross section of the sensor.

Item Type: Book section
DOI/Identification number: 10.1109/I2MTC.2016.7520328
Uncontrolled keywords: Keywords—charge distribution; reconstruction; wire-mesh electrostatic sensor; sensor characterization; sensitivity distribution
Subjects: T Technology
Divisions: Faculties > Sciences > School of Engineering and Digital Arts > Instrumentation, Control and Embedded Systems
Depositing User: Tina Thompson
Date Deposited: 02 Jun 2016 11:34 UTC
Last Modified: 25 Sep 2019 10:29 UTC
Resource URI: (The current URI for this page, for reference purposes)
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