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Uncollided-flux treatment for discrete-ordinate radiation transport solutions in the Rattlesnake code system

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

Abstract

We present the uncollided-flux treatment implemented in the Rattlesnake code system of the Idaho National Laboratory (INL). The ray-tracing method employed is capable of handling various types of finite-element meshes. Uncollided-flux techniques are necessary to capture streaming in low-density regions, such as the ones found in the TREAT test reactor at INL. Numerical results are presented.

Original languageEnglish
Title of host publicationInternational Conference on Mathematics and Computational Methods Applied to Nuclear Science and Engineering, M and C 2019
PublisherAmerican Nuclear Society
Pages2079-2088
Number of pages10
ISBN (Electronic)9780894487699
StatePublished - 2019
Event2019 International Conference on Mathematics and Computational Methods Applied to Nuclear Science and Engineering, M and C 2019 - Portland, United States
Duration: Aug 25 2019 → Aug 29 2019

Publication series

NameInternational Conference on Mathematics and Computational Methods Applied to Nuclear Science and Engineering, M and C 2019

Conference

Conference2019 International Conference on Mathematics and Computational Methods Applied to Nuclear Science and Engineering, M and C 2019
Country/TerritoryUnited States
CityPortland
Period08/25/19 → 08/29/19

Keywords

  • First-collision source
  • Ray effects
  • Ray tracing
  • Uncollided flux

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