Simulation of a continuous rotary dissolver

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This paper describes the simulation of a rotating, multistage chemical reactor that dissolves spent nuclear fuel for reprocessing in a breeder cycle. The continuous, time-dependent process model of a dissolver was developed using the Advanced Continuous Simulation Language (ACSL) to calculate various temperatures and the masses of the chemical constituents of the solution in each stage. The Gear integration algorithm (Gear 1971) was used to accommodate the stiff dynamics. An arrangement of interacting discrete sections was employed to cause fresh fuel to be added and dissolver rotations to occur at appropriate times. By changing various constants, the model can simulate ... continued below

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Pages: 21

Creation Information

Carnal, C.L.; Hardy, J.E. & Lewis, B.E. January 1, 1989.

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Description

This paper describes the simulation of a rotating, multistage chemical reactor that dissolves spent nuclear fuel for reprocessing in a breeder cycle. The continuous, time-dependent process model of a dissolver was developed using the Advanced Continuous Simulation Language (ACSL) to calculate various temperatures and the masses of the chemical constituents of the solution in each stage. The Gear integration algorithm (Gear 1971) was used to accommodate the stiff dynamics. An arrangement of interacting discrete sections was employed to cause fresh fuel to be added and dissolver rotations to occur at appropriate times. By changing various constants, the model can simulate the effect of different fuel compositions and operational scenarios. The model code is a valuable tool for analysis of the performance of the dissolution system and has been instrumental in its design. 5 refs., 7 figs.

Physical Description

Pages: 21

Notes

NTIS, PC A03/MF A01 - OSTI; 1.

Source

  • Summer computer simulation conference, Austin, TX, USA, 24 Jul 1989

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  • Other: DE89009114
  • Report No.: CONF-890753-1
  • Grant Number: AC05-84OR21400
  • Office of Scientific & Technical Information Report Number: 5948672
  • Archival Resource Key: ark:/67531/metadc1095276

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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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Creation Date

  • January 1, 1989

Added to The UNT Digital Library

  • Feb. 18, 2018, 3:59 p.m.

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  • May 22, 2018, 12:57 p.m.

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Carnal, C.L.; Hardy, J.E. & Lewis, B.E. Simulation of a continuous rotary dissolver, article, January 1, 1989; Tennessee. (digital.library.unt.edu/ark:/67531/metadc1095276/: accessed August 15, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.