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Title: Development of a New 47-Group Library for the CASL Neutronics Simulators

Abstract

The CASL core simulator MPACT is under development for the neutronics and thermal-hydraulics coupled simulation for the pressurized light water reactors. The key characteristics of the MPACT code include a subgroup method for resonance self-shielding, and a whole core solver with a 1D/2D synthesis method. The ORNL AMPX/SCALE code packages have been significantly improved to support various intermediate resonance self-shielding approximations such as the subgroup and embedded self-shielding methods. New 47-group AMPX and MPACT libraries based on ENDF/B-VII.0 have been generated for the CASL core simulator MPACT of which group structure comes from the HELIOS library. The new 47-group MPACT library includes all nuclear data required for static and transient core simulations. This study discusses a detailed procedure to generate the 47-group AMPX and MPACT libraries and benchmark results for the VERA progression problems.

Authors:
 [1];  [1];  [1];  [1]
  1. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
Publication Date:
Research Org.:
Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States). Consortium for Advanced Simulation of LWRs (CASL)
Sponsoring Org.:
USDOE
OSTI Identifier:
1213322
DOE Contract Number:  
DE-AC05-00OR22725
Resource Type:
Conference
Resource Relation:
Conference: Joint International Conference on Mathematics and Computation, Supercomputing in Nuclear Applications and the Monte Carlo Method, Nashville, TN, USA, 20150419, 20150423
Country of Publication:
United States
Language:
English
Subject:
21 SPECIFIC NUCLEAR REACTORS AND ASSOCIATED PLANTS; 97 MATHEMATICS AND COMPUTING; CASL; core simulator; MPACT; 47-group; self-shielding

Citation Formats

Kim, Kang Seog, Williams, Mark L, Wiarda, Dorothea, and Godfrey, Andrew T. Development of a New 47-Group Library for the CASL Neutronics Simulators. United States: N. p., 2015. Web.
Kim, Kang Seog, Williams, Mark L, Wiarda, Dorothea, & Godfrey, Andrew T. Development of a New 47-Group Library for the CASL Neutronics Simulators. United States.
Kim, Kang Seog, Williams, Mark L, Wiarda, Dorothea, and Godfrey, Andrew T. Thu . "Development of a New 47-Group Library for the CASL Neutronics Simulators". United States. https://www.osti.gov/servlets/purl/1213322.
@article{osti_1213322,
title = {Development of a New 47-Group Library for the CASL Neutronics Simulators},
author = {Kim, Kang Seog and Williams, Mark L and Wiarda, Dorothea and Godfrey, Andrew T},
abstractNote = {The CASL core simulator MPACT is under development for the neutronics and thermal-hydraulics coupled simulation for the pressurized light water reactors. The key characteristics of the MPACT code include a subgroup method for resonance self-shielding, and a whole core solver with a 1D/2D synthesis method. The ORNL AMPX/SCALE code packages have been significantly improved to support various intermediate resonance self-shielding approximations such as the subgroup and embedded self-shielding methods. New 47-group AMPX and MPACT libraries based on ENDF/B-VII.0 have been generated for the CASL core simulator MPACT of which group structure comes from the HELIOS library. The new 47-group MPACT library includes all nuclear data required for static and transient core simulations. This study discusses a detailed procedure to generate the 47-group AMPX and MPACT libraries and benchmark results for the VERA progression problems.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2015},
month = {1}
}

Conference:
Other availability
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