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An Experimental Study of a Low-Jitter Pulsed Electromagnetic Plasma AcceleratorAn experimental plasma accelerator for a variety of applications under development at the NASA Marshall Space Flight Center is described. The accelerator is a pulsed plasma thruster and has been tested experimentally and plasma jet velocities of approximately 50 kilometers per second have been obtained. The plasma jet structure has been photographed with 10 ns exposure times to reveal a stable and repeatable plasma structure. Data for velocity profile information has been obtained using light pipes embedded in the gun walls to record the plasma transit at various barrel locations. Preliminary spatially resolved spectral data and magnetic field probe data are also presented. A high speed triggering system has been developed and tested as a means of reducing the gun "jitter". This jitter has been characterized and future work for second generation "ultra-low jitter" gun development is identified.
Document ID
20020067588
Document Type
Conference Paper
Authors
Thio, Y. C. Francis (NASA Marshall Space Flight Center Huntsville, AL United States)
Lee, Michael (NASA Marshall Space Flight Center Huntsville, AL United States)
Eskridge, Richard (NASA Marshall Space Flight Center Huntsville, AL United States)
Smith, James (NASA Marshall Space Flight Center Huntsville, AL United States)
Martin, Adam (NASA Marshall Space Flight Center Huntsville, AL United States)
Rodgers, Stephen L.
Date Acquired
August 20, 2013
Publication Date
November 20, 2001
Subject Category
Plasma Physics
Meeting Information
38th AIAA/ASME/SAE/ASEE Joint Propulsion Conference and Exhibit(Indianapolis, IN)
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.