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The continuous energy Monte Carlo neutron transport code, MC21, was coupled to the CTF subchannel thermal-hydraulics code using a combination of Consortium for Advanced Simulation of Light Water Reactors (CASL) tools and in-house Python scripts. An MC21/CTF solution for VERA Core Physics Benchmark Progression Problem 6 demonstrated good agreement with MC21/COBRA-IE and VERA solutions. The MC21/CTF solution for VERA Core Physics Benchmark Progression Problem 7, Watts Bar Unit 1 at beginning of cycle hot full power equilibrium xenon conditions, is the first published coupled Monte Carlo neutronics/subchannel T-H solution for this problem. MC21/CTF predicted a critical boron concentration of 854.5 ppm, yielding a critical eigenvalue of 0.99994 ± 6.8E-6 (95% confidence interval). Excellent agreement with a VERA solution of Problem 7 was also demonstrated for integral and local power and temperature parameters.

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기사명 저자명 페이지 원문 목차
Recent developments in the GENESIS code based on the Legendre polynomial expansion of angular flux method Akio Yamamoto, Akinori Giho, Tomohiro Endo pp.1143-1156

Limits on the efficiency of event-based algorithms for Monte Carlo neutron transport Paul K. Romano, Andrew R. Siegel pp.1165-1171

Multiphase turbulence mechanisms identification from consistent analysis of direct numerical simulation data Ben Magolan, Emilio Baglietto, Cameron Brown, Igor A. Bolotnov, Gretar Tryggvason, Jiacai Lu pp.1318-1325

Automated inventory and material science scoping calculations under fission and fusion conditions Mark R. Gilbert, Michael Fleming, Jean-Christophe Sublet pp.1346-1353

Multilevel acceleration of scattering-source iterations with application to electron transport Clif Drumm, Wesley Fan pp.1114-1124

Acceleration of step and linear discontinuous schemes for the method of characteristics in DRAGON5 Alain Hébert pp.1135-1142

Clustering and traveling waves in the Monte Carlo criticality simulation of decoupled and confined media Eric Dumonteil, Giovanni Bruna, Fausto Malvagi, Anthony Onillon, Yann Richet pp.1157-1164

Analysis of inconsistent source sampling in monte carlo weight-window variance reduction methods David P. Griesheimer, Virinder S. Sandhu pp.1172-1180

In-line (α,n) source sampling methodology for monte carlo radiation transport simulations David P. Griesheimer, Andrew T. Pavlou, Jason T. Thompson, Jesse C. Holmes, Michael L. Zerkle, Edmund Caro, Hansem Joo pp.1199-1210

SIMMER extension for multigroup energy structure search using genetic algorithm with different fitness functions Mattia Massone, Fabrizio Gabrielli, Andrei Rineiski pp.1250-1258

Analysis of alpha modes in multigroup diffusion Richard Sanchez, Daniele Tomatis, Igor Zmijarevic, Han Gyu Joo pp.1259-1268

A new Tone's method in APOLLO3^®^ and its application to fast and thermal reactor calculations Li Mao, Igor Zmijarevic pp.1269-1286

Particle tracking acceleration via signed distance fields in direct-accelerated geometry Monte Carlo Patrick C. Shriwise, Andrew Davis, Lucas J. Jacobson, Paul P.H. Wilson pp.1189-1198

A multilevel in space and energy solver for multigroup diffusion eigenvalue problems Ben C. Yee, Brendan Kochunas, Edward W. Larsen pp.1125-1134

Surrogate based model calibration for pressurized water reactor physics calculations Bassam A. Khuwaileh, Paul J. Turinsky pp.1219-1225

Integral nuclear data validation using experimental spent nuclear fuel compositions Ian C. Gauld, Mark L. Williams, Franco Michel-Sendis, Jesus S. Martinez pp.1226-1233

The extinction probability in systems randomly varying in time Imre Pázsit, M.M.R. Williams, Lenárd Pál pp.1301-1309

Large eddy simulation of turbulent flow using the parallel computational fluid dynamics code GASFLOW-MPI Han Zhang, Yabing Li, Jianjun Xiao, Thomas Jordan pp.1310-1317

Neutron and gamma-ray energy reconstruction for characterization of special nuclear material Shaun D. Clarke, Michael C. Hamel, Angela Di fulvio, Sara A. Pozzi pp.1354-1357

Neutron clustering in Monte Carlo iterated-source calculations Thomas M. Sutton, Anudha Mittal pp.1211-1218

Practical resolution of angle dependency of multigroup resonance cross sections using parametrized spectral superhomogenization factors Hansol Park, Han Gyu Joo pp.1287-1300

Numerical convergence and validation of the DIMP inverse particle transport model Noel Nelson, Yousry Azmy pp.1358-1367

A new approach to the stabilization and convergence acceleration in coupled Monte Carlo-CFD calculations: The Newton method via Monte Carlo perturbation theory Manuele Aufiero, Massimiliano Fratoni pp.1181-1188

A lumped parameter method of characteristics approach and multigroup kernels applied to the subgroup self-shielding calculation in MPACT Shane Stimpson, Yuxuan Liu, Benjamin Collins, Kevin Clarno pp.1240-1249

CTF/DYN3D multi-scale coupled simulation of a rod ejection transient on the NURESIM platform Yann Périn, Kiril Velkov pp.1339-1345

Benchmarks of subcriticality in accelerator-driven system at Kyoto University Critical Assembly Cheol Ho Pyeon, Masao Yamanaka, Song-Hyun Kim, Thanh-Mai Vu, Tomohiro Endo, Willem Fredrik G. Van Rooijen, Go Chiba pp.1234-1239

MC21/CTF and VERA multiphysics solutions to VERA core physics benchmark progression problems 6 and 7 Daniel J. Kelly Ⅲ, Ann E. Kelly, Brian N. Aviles, Andrew T. Godfrey, Robert K. Salko, Benjamin S. Collins pp.1326-1338

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