A high current cathode plasma jet flow model for the Pulsed Plasma Thruster
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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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Official URL: http://ep.jpl.nasa.gov/conference.html
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 |
| ID Code: | 26836 |
| Deposited By: | Symplectic Elements |
| Deposited On: | 23 Mar 2012 09:51 |
| Last Modified: | 24 Jan 2013 09:20 |
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