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A high current cathode plasma jet flow model for the Pulsed Plasma Thruster

Shaw, P and Lappas, VJ A high current cathode plasma jet flow model for the Pulsed Plasma Thruster In: 32nd International Electric Propulsion Conference, 2011-09-11 - 2011-09-15, Wiesbaden, Germany.

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Abstract

Studies with a Pulsed Plasma Thruster have shown that the ratio between the electromagnetic contribution of the impulse bit between a PPT with Teflon™ to when Teflon™ is not present is around 0.6~0.75 over the range of experiments that were conducted. The trade-off in the mass and volume savings compared to a reduced performance meant that a PPT without Teflon™ was developed. A simplified hydrodynamic model using boundary conditions taken from experimental literature from the cathodic arc plasma field[1] was applied to a plasma flow model that took account of pinching effects from the high current plasma[2]. The model was then compared to experimental results to show its validity.

Item Type: Conference or Workshop Item (Paper)
Additional Information: Paper presented at the 32nd International Electric Propulsion Conference, Wiesbaden, Germany September 11–15, 2011. Copyright the authors.
Divisions: Faculty of Engineering and Physical Sciences > Electronic Engineering > Surrey Space Centre
Depositing User: Symplectic Elements
Date Deposited: 23 Mar 2012 09:51
Last Modified: 23 Sep 2013 18:53
URI: http://epubs.surrey.ac.uk/id/eprint/26836

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