NDLI: A collimated retarding potential analyzer for the study of magnetoplasma rocket plumes

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A collimated retarding potential analyzer for the study of magnetoplasma rocket plumes

Content Provider	NASA Technical Reports Server (NTRS)
Author	Glover, T. W. Chang-Diaz, F. R. Chan, A. A. Kittrell, C.
Copyright Year	2003
Description	A gridded retarding potential analyzer (RPA) has been developed to characterize the magnetized plasma exhaust of the 10 kW Variable Specific Impulse Magnetoplasma Rocket (VX-10) experiment at NASA's Advanced Space Propulsion Laboratory. In this system, plasma is energized through coupling of radio frequency waves at the ion cyclotron resonance (ICR). The particles are subsequently accelerated in a magnetic nozzle to provide thrust. Downstream of the nozzle, the RPA's mounting assembly enables the detector to make complete axial and radial scans of the plasma. A multichannel collimator can be inserted into the RPA to remove ions with pitch angles greater than approximately 1 deg. A calculation of the general collimator transmission as a function over velocity space is presented, which shows the instrument's sensitivity in detecting changes in both the parallel and perpendicular components of the ion energy. Data from initial VX-10 ICRH experiments show evidence of ion heating.
File Size	6883270
Page Count	15
File Format	PDF
Alternate Webpage(s)	http://archive.org/details/NASA_NTRS_Archive_20110011209
Archival Resource Key	ark:/13960/t2z36s37k
Language	English
Publisher Date	2003-01-01
Access Restriction	Open
Subject Keyword	Spacecraft Propulsion And Power Vasimr Propulsion System Collimators Radio Frequencies Plasma Propulsion Plasmas Physics Cyclotron Resonance Analyzers Rocket Exhaust Magnetic Nozzles Plumes Spacecraft Propulsion Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science
Content Type	Text
Resource Type	Article

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