Plasma-Surface Interactions and Life-Limiting Phenomena in Ion Engines
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Plasma-Surface Interactions Ion Engines↗
Engineering topics
Polk, J.
Publications and source records attributed to Polk, J..
Design and fabrication of a micro-ion engine
This article describes the configuration of the discharge chamber and design and fabrication of the grids and field emission array (FEA) cathodes.
ion↗
Field Emitter Cathodes and Electric Propulsion Systems
Replacing hollow and filament cathodes with field emitter (FE) cathodes could significantly improve the scalability, power, and performance of some meso- and microscale Electric Propulsion (EP) systems. This article discusses the motivation and challenges of integrating of FE and Electric Propulsion systems.
field emitters cathodes Electric Propulsion↗
In-Flight Performance of the NSTAR Ion Propulsion System on the Deep Space One Mission
This paper provides an overview of the system and presents the first flight validation data on an ion propulsion system in interplanetary space.
NSTAR DS1 Ion Propulsion↗
Performance Characteristics of the NSTAR Ion Thruster During an On-Going Long Duration Ground Test
A long-duration test of the Deep Space 1 (DS1) flight spare thruster (FT2) is presently being conducted. To date, the thruster has accumulated over 6700 hours of operation.
Ion Drive NSTAR Ion Thruster↗
NSTAR Ion Propulsion
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NSTAR SEP electric propulsion DS1 ion propulsion i↗
NSTAR Technology Validation Report
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NSTAR SEP electric propulsion DS1 ion propulsion i↗
NSTAR Technology Validation
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NSTAR ion propulsion SEP ion engine electric propu↗
Deep Space One Investigations of Ion Propulsion Contamination: Overview and Initial Results
NASA's New Millennium Deep Space One (DS1) is the first interplanetary spacecraft operated on solar electric propulsion.
DS1↗
NSTAR Service Life Assessment
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NSTAR ion propulsion electric propulsion SEP DS1 D↗
Electric Propulsion Applications for Field Emitter Cathodes
Replacing hollow and filament cathodes with field emitter (FE) cathodes could significantly improve the scalability, power, and performance of some meso- and microscale Electric Propulsion (EP) systems.
Field emitters cathodes electric propulsion↗
NSTAR Senon Ion Thruster on DS1: Ground and Flight Tests
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xenon electric propulsion thrusters↗
NSTAR Xenon Ion Engine on DS1: Ground & Flight Tests
After having been in development for many years at Glenn Research Center, the NASA design 30 cm ring-cusp xenon ion engine was launched on the DS1 spacecraft on 24 October 1998 from the Kennedy Space Center in Florida.
Xenon electric propulsion thrusters↗
The Ion Propulsion System on NASA's Space Technology 4/Champollion Comet Redezvous Mission
The ST4/Champollion mission is designed to rendezvous with and land on the comet Tempel 1 and return data from the first-ever sampling of a comet surface.
Ion Propulsion Electric Propulsion SEP Space Techn↗
Validation of the NSTAR Ion Propulsion System on the Deep Space One Mission: Overview and Initial Results
Deep Space 1 is the first interplanetary spacecraft to use an ion propulsion system for the primary delta-v maneuvers. The purpose of the mission is to validate a number of technologies, including ion propulsion and a high degree of spacecraft autonomy, on a flyby of an asteroid and two comets.
Ion↗
Results of an On-going Long Duration Ground Test of the DS1 Flight Spare Engine
Ground testing of the DS1 flight spare thruster (FT2) is presently being conducted.
technology↗
Low Energy Sputtering Experiments for Ion Engine Lifetime Assessment
The sputtering yield of molybdenum under xenon ion bombardment was mesured using a Quartz Crystal Microbalance.
sputtering↗
Deep Space One Investigations of Ion Propulsion Plasma Interactions: Overview and Initial Results
The launch of NASA's New Millennium Deep Space One (DS1) mission on October 24, 1998 marks the beginning of interplanetary science missions using spacecraft operated on solar electric propulsion.
Deep↗