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- W43844093 abstract "Fuel management optimization calculations require a very large number of repetitive calculations of flux/power distribution and corresponding k{sub eff}, which consumes the major portion of the computer time. To increase the speed of this calculation and maintain adequate two-dimensional geometry accuracy relative to the usual 1 1/2-energy group coarse spatial mesh calculation, a new approach is presented, based on 1 1/2D geometry. In this model, the diffusion equation is solved in one-dimensional geometry, and the results are unfolded to produce the two-dimensional flux/power map. The two-group energy structure is preserved. Due to the simple linear (and not quadratic) increase in the number of mesh points, the mesh need not be coarse. This summary describes the new model, which is employed in the computer code MCYC1.5D. Initial benchmarking versus the two-dimensional model produced reasonably accurate results at speeds 20 to 50 times faster than the two-dimensional reference spatial code." @default.
- W43844093 created "2016-06-24" @default.
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- W43844093 date "1988-01-01" @default.
- W43844093 modified "2023-09-23" @default.
- W43844093 title "One-and-a-half-dimensional PWR core model for fuel management applications" @default.
- W43844093 hasPublicationYear "1988" @default.
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