Two step procedure by using a 1-D slab spectral geometry for a pebble bed reactor core analysis

Hyun Chul Lee, Kang Seog Kim, Jae Man Noh, Hyung Kook Joo

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

2 Scopus citations

Abstract

In this paper, we demonstrate a two step procedure for a pebble bed reactor core analysis. In the first step, we generate equivalent cross sections from a 1-D slab spectral geometry model with the help of the equivalence theory. In the second step, we perform a diffusion calculation by using the equivalent cross sections generated in the first step. A simple 2-D benchmark problem derived from the PMBR-400 reactor was introduced to verify the two step procedure. We compared the two step solutions with the Monte Carlo solutions for the problem and found that the two step solutions agreed well with the Monte Carlo solutions within an acceptable error range.

Original languageEnglish
Title of host publicationPHYSOR-2006 - American Nuclear Society's Topical Meeting on Reactor Physics
StatePublished - 2006
Externally publishedYes
EventPHYSOR-2006 - American Nuclear Society's Topical Meeting on Reactor Physics - Vancouver, BC, Canada
Duration: Sep 10 2006Sep 14 2006

Publication series

NamePHYSOR-2006 - American Nuclear Society's Topical Meeting on Reactor Physics
Volume2006

Conference

ConferencePHYSOR-2006 - American Nuclear Society's Topical Meeting on Reactor Physics
Country/TerritoryCanada
CityVancouver, BC
Period09/10/0609/14/06

Keywords

  • 1-D spectral geometry
  • Core analysis
  • Pebble bed reactor
  • Two-step procedure

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