A1 Journal article – refereed
A coaxial induction probe for measuring the charge, size and distance of a passing object




List of Authors: Peltonen J, Murtomaa M, Salonen J
Publisher: ELSEVIER SCIENCE BV
Publication year: 2015
Journal: Journal of Electrostatics
Journal name in source: JOURNAL OF ELECTROSTATICS
Journal acronym: J ELECTROSTAT
Volume number: 77
Number of pages: 7
ISSN: 0304-3886

Abstract


A coaxial induction probe for measuring the charge, size and distance of a passing object is presented. Two different current signals were induced as an object passed the probes. The signals were integrated and Gaussian curves were fitted to the data. According to simulations done with Comsol Multiphysics, the charge, size and distance could be calculated from the amplitudes and widths of the curves. The system was simulated, built and calibrated. It was tested in powder measurements in a fluidized bed device. (C) 2015 Elsevier B.V. All rights reserved.



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