Comparison of the PHISICS/RELAP5-3D ring and block model results for phase I of the OECD/NEA MHTGR-350 benchmark

G Strydom, AS Epiney, A Alfonsi, C Rabiti - Nuclear Technology, 2016 - Taylor & Francis
Abstract The Parallel and Highly Innovative Simulation for INL Code System (PHISICS) has
been under development at Idaho National Laboratory since 2010. It consists of several …

[PDF][PDF] Role of nuclear grade graphite in controlling oxidation in modular HTGRs

W Windes, G Strydom, J Kane, R Smith - 2014 - researchgate.net
The passively safe modular High Temperature Gas-cooled Reactor (mHTGR) design is one
of the primary concepts considered for Generation IV and Small Modular Reactor (SMR) …

Multi-physics steady-state analysis of OECD/NEA modular high temperature gas-cooled reactor MHTGR-350

M Lemaire, H Lee, N Tak, HC Lee… - Journal of Nuclear …, 2017 - Taylor & Francis
This paper presents the application results of MCS/GAMMA+ to multi-physics analysis of
OECD/NEA modular high temperature gas-cooled reactor (MHTGR) benchmark Phase I …

[PDF][PDF] Improvements to PHISICS/RELAP5-3D© capabilities for simulating HTGRs

P Balestra, A Alfonsi, G Strydom, C Rabiti… - Transactions of the …, 2017 - researchgate.net
Accurate, high-resolution full core simulations of prismatic high temperature reactors for
burnup and transient analysis remain a challenge. The cores are geometrically large, but …

Supercell depletion studies for prismatic high temperature reactors

J Ortensi - 2012 - osti.gov
The traditional two-step method of analysis is not accurate enough to represent the
neutronic effects present in the prismatic high temperature reactor concept. The long range …

Phisics/relap5-3D results for exercises II-1 and II-2 of the OECD/NEA mhtgr-350 benchmark

G Strydom - 2016 - osti.gov
The Idaho National Laboratory (INL) Advanced Reactor Technologies (ART) High-
Temperature Gas-Cooled Reactor (HTGR) Methods group currently leads the Modular High …

SuPer-Homogenization (SPH) Corrected Cross Section Generation for High Temperature Reactor

RS Sen, AJ Hummel, H Hiruta - 2017 - osti.gov
The deterministic full core simulators require homogenized group constants covering the
operating and transient conditions over the entire lifetime. Traditionally, the homogenized …

[PDF][PDF] New phisics perturbation method module verification using the HTTR neutronic model

P Balestra, A Alfonsi, G Strydom, RS Sen… - Trans. Am. Nucl …, 2017 - researchgate.net
Accurate, high-resolution full core simulations of prismatic high temperature reactors for
burnup and transient analysis remain a challenge. The cores are geometrically large, but …

Neutronic and Thermal-Hydraulics Coupling Analyses on Prismatic Triso-Fueled Gas-Cooled Reactors Using Monte Carlo and Computational Fluid Dynamics Method

X Zhao, G Liu, S Huang, K Wang, Q Chen… - Available at SSRN … - papers.ssrn.com
This paper presented a high-resolution neutronic/thermal-hydraulics coupling approach
using Monte Carlo (MC) code RMC and Computational Fluid Dynamics (CFD) code ANSYS …

[PDF][PDF] Development of 3D multi-physics simulation tool for coupled neutronics—thermal-hydraulics studies of safety transients in high temperature reactors

DK Dwivedi - 2021 - hbni.ac.in
1.1. Nuclear Reactor and Power After the discovery of nuclear fission in 1938, the first
nuclear reactor, CP1 was designed and demonstrated for the self-sustaining chain reaction …