Shielding Benchmark Computational Analysis

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Description

Over the past several decades, nuclear science has relied on experimental research to verify and validate information about shielding nuclear radiation for a variety of applications. These benchmarks are compared with results from computer code models and are useful for the development of more accurate cross-section libraries, computer code development of radiation transport modeling, and building accurate tests for miniature shielding mockups of new nuclear facilities. When documenting measurements, one must describe many parts of the experimental results to allow a complete computational analysis. Both old and new benchmark experiments, by any definition, must provide a sound basis for modeling ... continued below

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8 pages

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Hunter, H.T.; Slater, C.O.; Holland, L.B.; Tracz, G.; Marshall, W.J. & Parsons, J.L. September 17, 2000.

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Description

Over the past several decades, nuclear science has relied on experimental research to verify and validate information about shielding nuclear radiation for a variety of applications. These benchmarks are compared with results from computer code models and are useful for the development of more accurate cross-section libraries, computer code development of radiation transport modeling, and building accurate tests for miniature shielding mockups of new nuclear facilities. When documenting measurements, one must describe many parts of the experimental results to allow a complete computational analysis. Both old and new benchmark experiments, by any definition, must provide a sound basis for modeling more complex geometries required for quality assurance and cost savings in nuclear project development. Benchmarks may involve one or many materials and thicknesses, types of sources, and measurement techniques. In this paper the benchmark experiments of varying complexity are chosen to study the transport properties of some popular materials and thicknesses. These were analyzed using three-dimensional (3-D) models and continuous energy libraries of MCNP4B2, a Monte Carlo code developed at Los Alamos National Laboratory, New Mexico. A shielding benchmark library provided the experimental data and allowed a wide range of choices for source, geometry, and measurement data. The experimental data had often been used in previous analyses by reputable groups such as the Cross Section Evaluation Working Group (CSEWG) and the Organization for Economic Cooperation and Development/Nuclear Energy Agency Nuclear Science Committee (OECD/NEANSC).

Physical Description

8 pages

Notes

INIS; OSTI as DE00771417

Source

  • ANS Radiation Protection and Shielding Topical Conference, Spokane, WA (US), 09/17/2000--09/21/2000

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  • Report No.: P00-107854
  • Grant Number: AC05-00OR22725
  • Office of Scientific & Technical Information Report Number: 771417
  • Archival Resource Key: ark:/67531/metadc715113

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  • September 17, 2000

Added to The UNT Digital Library

  • Sept. 29, 2015, 5:31 a.m.

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  • Jan. 21, 2016, 12:14 p.m.

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Hunter, H.T.; Slater, C.O.; Holland, L.B.; Tracz, G.; Marshall, W.J. & Parsons, J.L. Shielding Benchmark Computational Analysis, article, September 17, 2000; Tennessee. (digital.library.unt.edu/ark:/67531/metadc715113/: accessed August 18, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.