POWER-SHARING FORMULA FOR A SEED/BLANKET CORE - RESOLUTION OF A PARADOX.

A. Radkowsky, M. Segev, A. Galperin

Research output: Contribution to journalArticlepeer-review

2 Scopus citations

Abstract

The 'classical' formula for the sharing of power between a seed and blanket was based on the two-group diffusion theory model and gave good agreement with experiments conducted in the original Shippingport program and with transport theory. Recently an extensive series of calculations on seed/blanket assemblies showed that the power sharing deviates widely from the classical formula but paradoxically is in good agreement with the one-group formula, which neglects the back leakage of thermal neutrons from the blanket to the seed. The power-sharing formula has now been rederived, and the paradox is resolved by taking into account epithermal absorptions in the seeds. The diffusion theory model is important as a guide to formulating innovative concepts for improved core designs.

Original languageEnglish
Pages (from-to)80-86
Number of pages7
JournalNuclear Science and Engineering
Volume94
Issue number1
DOIs
StatePublished - 1 Jan 1986
Externally publishedYes

ASJC Scopus subject areas

  • Nuclear Energy and Engineering

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