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Low Pressure Nuclear Thermal Rocket (LPNTR) conceptA background and a description of the low pressure nuclear thermal system are presented. Performance, mission analysis, development, critical issues, and some conclusions are discussed. The following subject areas are covered: LPNTR's inherent advantages in critical NTR requirement; reactor trade studies; reference LPNTR; internal configuration and flow of preliminary LPNTR; particle bed fuel assembly; preliminary LPNTR neutronic study results; multiple LPNTR engine concept; tank and engine configuration for mission analysis; LPNTR reliability potential; LPNTR development program; and LPNTR program costs.
Document ID
19920001876
Document Type
Conference Paper
Authors
Ramsthaler, J. H. (Idaho National Engineering Lab. Idaho Falls, ID, United States)
Date Acquired
September 6, 2013
Publication Date
January 1, 1991
Publication Information
Publication: NASA. Lewis Research Center, Nuclear Thermal Propulsion: A Joint NASA(DOE)DOD Workshop
Subject Category
SPACECRAFT PROPULSION AND POWER
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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