An apparatus for the charge-to-mass and charge-to-diameter measurements on powders

This paper presents design and evaluation of a simple tool for assessing of electric charge levels on powders. The testing device uses a stackable Faraday cup arrangement for measurement of charges on size fractions of the powder under investigation. The powder is pneumatically transported through t...

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Bibliographic Details
Published in:Journal of physics. Conference series 2008-12, Vol.142 (1), p.012080
Main Author: Noras, Maciej A
Format: Article
Language:English
Subjects:
Cups
Diameters
Physics
Separation
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Summary:This paper presents design and evaluation of a simple tool for assessing of electric charge levels on powders. The testing device uses a stackable Faraday cup arrangement for measurement of charges on size fractions of the powder under investigation. The powder is pneumatically transported through the Faraday cups column. The cups utilize specially designed sieves for separation of the powder particles by size. Additionally, the sieving membrane in the topmost cup is acoustically vibrated to help with the powder separation process
ISSN:1742-6596
1742-6588
1742-6596
DOI:10.1088/1742-6596/142/1/012080