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Experimental characterization of hollow-cathode plasma sources at FrascatiAn experimental characterization has been conducted for hollow cathodes applicable as plasma contactors on Space Shuttle-based experiments. The diagnostics tests were conducted in an 0.5 cu m vacuum chamber by means of Langmuir probes at various distances from the source. Two electron populations are noted, one in the 0.3-1 eV and the other in the 7-11 eV temperature range. Current developments in the design of plasma chambers incorporating magnetic field compensation are noted.
Document ID
19890055987
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Vannaroni, G. (Consiglio Nazionale delle Ricerche Frascati, Italy)
Cosmovici, C. B. (Consiglio Nazionale delle Ricerche Frascati, Italy)
Bonifazi, C. (CNR Istituto di Fisica dello Spazio Interplanetario, Frascati, Italy)
Mccoy, J. (NASA Johnson Space Center Houston, TX, United States)
Date Acquired
August 14, 2013
Publication Date
January 1, 1988
Subject Category
Plasma Physics
Meeting Information
Meeting: Intl. Conference on Space Tethers for Science in the Space Station Era
Location: Venice
Country: Italy
Start Date: October 4, 1987
End Date: October 8, 1987
Accession Number
89A43358
Distribution Limits
Public
Copyright
Other

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