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Integration and Test Flight Validation Plans for the Pulsed Plasma Thruster Experiment on EO- 1The Pulsed Plasma Thruster (PPT) Experiment on the Earth Observing One (EO-1) spacecraft has been designed to demonstrate the capability of a new generation PPT to perform spacecraft attitude control. The PPT is a small, self-contained pulsed electromagnetic propulsion system capable of delivering high specific impulse (900-1200 s), very small impulse bits (10-1000 uN-s) at low average power (less than 1 to 100 W). Teflon fuel is ablated and slightly ionized by means of a capacitative discharge. The discharge also generates electromagnetic fields that accelerate the plasma by means of the Lorentz Force. EO-1 has a single PPT that can produce thrust in either the positive or negative pitch direction. The flight validation has been designed to demonstrate of the ability of the PPT to provide precision pointing accuracy, response and stability, and confirmation of benign plume and EMI effects. This paper will document the success of the flight validation.
Document ID
20020068978
Acquisition Source
Goddard Space Flight Center
Document Type
Conference Paper
Authors
Zakrzwski, Charles
(NASA Goddard Space Flight Center Greenbelt, MD United States)
Benson, Scott
(NASA Glenn Research Center Cleveland, OH United States)
Sanneman, Paul
(Swales Aerospace Beltsville, MD United States)
Hoskins, Andy
(General Dynamics OTS-Aerospace Redmond, WA United States)
Bauer, Frank H.
Date Acquired
August 20, 2013
Publication Date
January 1, 2002
Subject Category
Plasma Physics
Report/Patent Number
AIAA Paper-2002-3973
Meeting Information
Meeting: 38th AIAA/ASME/SEA/ASEE Joint Propulsion Conference
Location: Indianapolis, IN
Country: United States
Start Date: July 7, 2002
End Date: July 10, 2002
Sponsors: American Inst. of Aeronautics and Astronautics, American Society of Mechanical Engineers, American Society for Electrical Engineers, Service de l'Environnement Atmospherique
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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