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Experimental Investigations and Numerical Modeling of Pulsed Plasma Thruster Plumes
Integration of pulsed plasma thruster (PPT) onboard spacecraft requires the evaluation of potential plume/spacecraft interactions. Important e ndings are summarized of our experimental and modelingExpand
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Current-mode triple and quadruple Langmuir probe methods with applications to flowing pulsed plasmas
A current-mode method for triple and quadruple Langmuir probes was developed and implemented in flowing, pulsed, collisionless plasmas. The current-mode method involves biasing all probe electrodes,Expand
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Development of an Ion Thruster and Power Processor for New Millennium's Deep Space 1 Mission
James S. Sovey, John A. Hamley, Thomas W. Haag, Michael J. Patterson, Eric J. Pencil,Todd T. Peterson, Luis R. Pinero, John L. Power, Vincent K. Rawlin, and Charles J. SarmientoNASA Lewis ResearchExpand
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A Performance Comparison of Pulsed Plasma Thruster Electrode Configurations
Pulsed plasma thrusters are currently planned on two small satellite missions and proposed for a third. In these missions, the pulsed plasma thruster's unique characteristics will be used variouslyExpand
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Triple Langmuir Probe Measurements in the Plume of a Pulsed Plasma Thruster
Anexperimentalapparatususingtriplelangmuirprobeswasdesignedtoobtainelectrontemperatureanddensity in theplume of a laboratory-model pulsed plasma thruster (PPT)operating at discharge energy levels ofExpand
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PRELIMINARY DESIGN AND ANALYSIS OF A DIRECTIONAL MICRO- RETARDING POTENTIAL ANALYZER FOR HIGH-DENSITY PLUMES
A low transparency microchannel plate has been coupled with a single-orifice Retarding Potential Analyzer (RPA) to produce a viable ion energy measurement device to be operated in the high-densityExpand
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Overview of NASA's Pulsed Plasma Thruster Development Program
NASA's Pulsed Plasma Thruster Program consists of flight demonstration experiments, base research, and development efforts being conducted through a combination of in-house work, contracts andExpand
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