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Design and test of porous-tungsten mercury vaporizersNew design requirements for porous plug-type vaporizers used with Kaufman thrusters and thruster arrays are discussed. The results of testing samples of porous tungsten for mercury flow rate, liquid intrusion pressure level, and mechanical strength are presented. Nitrogen gas was used instead of mercury vapor for approximate calibration. Liquid intrusion pressure levels will require that flight thruster systems with long feedlines have restrictions in the dynamic line during launch.
Document ID
19720015144
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Technical Note (TN)
Authors
Kerslake, W. R. (NASA Lewis Research Center Cleveland, OH, United States)
Date Acquired
September 2, 2013
Publication Date
April 1, 1972
Subject Category
Propulsion Systems
Report/Patent Number
NASA-TN-D-6782
E-6792
Accession Number
72N22794
Funding Number(s)
PROJECT: RTOP 113-26
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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