RSMASS: A simple model for estimating reactor and shield masses

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A simple mathematical model (RSMASS) has been developed to provide rapid estimates of reactor and shield masses for space-based reactor power systems. Approximations are used rather than correlations or detailed calculations to estimate the reactor fuel mass and the masses of the moderator, structure, reflector, pressure vessel, miscellaneous components, and the reactor shield. The fuel mass is determined either by neutronics limits, thermal/hydraulic limits, or fuel damage limits, whichever yields the largest mass. RSMASS requires the reactor power and energy, 24 reactor parameters, and 20 shield parameters to be specified. This parametric approach should be applicable to a very broad ... continued below

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Pages: 17

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Marshall, A.C.; Aragon, J. & Gallup, D. January 1, 1987.

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Description

A simple mathematical model (RSMASS) has been developed to provide rapid estimates of reactor and shield masses for space-based reactor power systems. Approximations are used rather than correlations or detailed calculations to estimate the reactor fuel mass and the masses of the moderator, structure, reflector, pressure vessel, miscellaneous components, and the reactor shield. The fuel mass is determined either by neutronics limits, thermal/hydraulic limits, or fuel damage limits, whichever yields the largest mass. RSMASS requires the reactor power and energy, 24 reactor parameters, and 20 shield parameters to be specified. This parametric approach should be applicable to a very broad range of reactor types. Reactor and shield masses calculated by RSMASS were found to be in good agreement with the masses obtained from detailed calculations.

Physical Description

Pages: 17

Notes

NTIS, PC A02/MF A01; 1.

Source

  • 4. symposium on space nuclear power systems, Albuquerque, NM, USA, 12 Jan 1987

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  • Other: DE87007864
  • Report No.: SAND-87-0638C
  • Report No.: CONF-870102-19
  • Grant Number: AC04-76DP00789
  • Office of Scientific & Technical Information Report Number: 6520675
  • Archival Resource Key: ark:/67531/metadc1211820

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

Office of Scientific and Technical Information (OSTI) is the Department of Energy (DOE) office that collects, preserves, and disseminates DOE-sponsored research and development (R&D) results that are the outcomes of R&D projects or other funded activities at DOE labs and facilities nationwide and grantees at universities and other institutions.

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  • January 1, 1987

Added to The UNT Digital Library

  • July 5, 2018, 11:11 p.m.

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  • Oct. 8, 2018, 1:05 p.m.

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Marshall, A.C.; Aragon, J. & Gallup, D. RSMASS: A simple model for estimating reactor and shield masses, article, January 1, 1987; United States. (digital.library.unt.edu/ark:/67531/metadc1211820/: accessed November 13, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.