A Triboelectrogasdynamic Gun

[+] Author and Article Information
R. A. Coffee

Electrical Engineering Department, Hong Kong University, Hong Kong, China

J. Eng. Power 96(2), 158-159 (Apr 01, 1974) (2 pages) doi:10.1115/1.3445765 History: Received March 07, 1973; Online July 14, 2010


A device is described in which powder particles are pneumatically transported so as to achieve high-voltage energy conversion by contact and separation of dissimilar surfaces (triboelectricity). The device forms part of a system by means of which powders may be electrostatically sprayed. Applications are envisaged in operations ranging from metal-surface finishing to agricultural crop protection.

Copyright © 1974 by ASME
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