On-line continuous measurement of particle size using electrostatic sensors

Zhang, Jian Qui and Yan, Yong (2003) On-line continuous measurement of particle size using electrostatic sensors. Powder Technology, 135-136 (1). pp. 164-168. ISSN 0032-5910 . (The full text of this publication is not currently available from this repository. You may be able to access a copy if URLs are provided)

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The development of a reliable, cost-effective instrument for on-line particle sizing remains a challenging area worldwide. This paper presents the design and evaluation of a new electrostatic sensor combined with a novel digital signal processing algorithm for the on-line continuous measurement of the mass median size of particles in a dilute-phase pneumatic suspension. Key design aspects of the constituent elements of the sensor, including a wire-mesh electrode, signal conditioning electronics and digital signal processing algorithm are described. Experimental results obtained using a typical range of particulate materials demonstrate that, under constant mass flow conditions, the processed output of the sensor is capable of indicating the mass median particle size with a relative error no greater than 15%. A critical appraisal of the technique, including advantages and limitations, is also included.

Item Type: Article
Subjects: T Technology > TK Electrical engineering. Electronics Nuclear engineering > TK7800 Electronics (see also: telecommunications),
Divisions: Faculties > Science Technology and Medical Studies > School of Engineering and Digital Arts > Instrumentation, Control and Embedded Systems
Depositing User: Yiqing Liang
Date Deposited: 12 Sep 2008 14:54
Last Modified: 25 Apr 2014 11:18
Resource URI: https://kar.kent.ac.uk/id/eprint/7605 (The current URI for this page, for reference purposes)
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