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Sensing and filtering characteristics of electrostatic sensors for pneumatically conveyed particles


Citation

Rahmat, Mohd Fua'ad and Thuku, Iliya Tizhe and Tajdari, Teimour and Jusoff, Kamaruzaman and Ghazali, Mohd Riduwan (2011) Sensing and filtering characteristics of electrostatic sensors for pneumatically conveyed particles. International Journal of the Physical Sciences, 6 (22). art. no. EEDF3A519347. pp. 5091-5103. ISSN 1992-1950

Abstract

Electrostatic sensor, which can also be called as triboelectric sensor or electrodynamic sensor, senses the electrostatic charge carried by the dry particle in pneumatic conveyor. Source of the signal induced on the electrostatic sensor is brought by the object to be measured and no excitation circuit is necessary. Electrostatic sensors are used in the process industry due their low cost and robust. This paper describes an investigation into characteristics of circular and rectangular plate shapes of electrostatic sensors. Two parameters were investigated, the effect of sensor area on sensitivity and the spatial filtering effect of the sensor due to its finite size. Models were proposed and results obtained and used to compare with experimental values. It was observed that relationships existed between sensor sensitivity, sensor area and sensor spatial filtering effect.


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Additional Metadata

Item Type: Article
Divisions: Faculty of Forestry
DOI Number: https://doi.org/10.5897/IJPS11.167
Publisher: Academic Journals
Keywords: Electrostatic sensor; Sensitivity; Spatial filtering; Electrodynamic sensor
Depositing User: Nur Farahin Ramli
Date Deposited: 22 Nov 2013 04:32
Last Modified: 13 Jul 2020 04:49
Altmetrics: http://www.altmetric.com/details.php?domain=psasir.upm.edu.my&doi=10.5897/IJPS11.167
URI: http://psasir.upm.edu.my/id/eprint/23955
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