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Control and propulsion of an atmospheric pressure plasma ring
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Shpanin, L. M., Jones, Gordon R., Spencer, Joseph W. and Djakov, Boyan E. (2008) Control and propulsion of an atmospheric pressure plasma ring. IEEE Transactions on Plasma Science, Volume 36 (Number 5). pp. 2795-2800. doi:10.1109/TPS.2008.2004269 ISSN 0093-3813.
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Official URL: http://dx.doi.org/10.1109/TPS.2008.2004269
Abstract
A new approach for the electromagnetic control and propulsion of a current carrying electric arc plasma ring is described. The essence of the approach is to form and manipulate the arc plasma outside rather than inside an electromagnetic field (B-field) producing coil so that pulsed plasma thrusts can be produced in a choice of different directions. The interaction of the electric arc, formed in atmospheric pressure air, with such B-field has been investigated. It has been shown that a stable azimuthal plasma ring can rapidly be produced by the simple process of separating two annular contacts. Pulsed plasma propulsion is obtained when the arc plasma, and B-field sustaining current is automatically reduced to zero, whereby the constraining electromagnetic forces are removed and, as a consequence, the resulting plasma ring radially expands outwards. Several different measurement techniques have been deployed for investigating the behavior of the plasma ring. These include electrical probing, B-field probing, and high-speed plus video photography. Experimental results are shown to be in good agreement with theoretical estimates based upon a Sedov's self-similar model.
Item Type: | Journal Article | ||||
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Divisions: | Faculty of Science, Engineering and Medicine > Engineering > WMG (Formerly the Warwick Manufacturing Group) | ||||
Journal or Publication Title: | IEEE Transactions on Plasma Science | ||||
Publisher: | IEEE | ||||
ISSN: | 0093-3813 | ||||
Official Date: | October 2008 | ||||
Dates: |
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Volume: | Volume 36 | ||||
Number: | Number 5 | ||||
Page Range: | pp. 2795-2800 | ||||
DOI: | 10.1109/TPS.2008.2004269 | ||||
Status: | Peer Reviewed | ||||
Publication Status: | Published | ||||
Access rights to Published version: | Restricted or Subscription Access |
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