DOMINO, a general purpose code for coupling discrete ordinates and Monte Carlo radiation transport calculations

Emmett, M.B.; Burgart, C.E.; Hoffman, Thomas J.

doi:10.2172/4460258

Cited by 18 publications

(2 citation statements)

References 1 publication

Supporting

Mentioning

Contrasting

Order By: Relevance

“…The angular neutron flux obtained by the two-dimensional design analysis was applied to the incident source at the radial inner boundary. It was converted to probability distribution source for MORSE-CG with use of DOMINO 7) code. The bottom boundary source was omitted because the result of design analysis showed that neutrons at the bottom level flew to the slant downward direction and further the bottom level was located at 5 m down from the bottom of DHX's.…”

Section: Condition For Three-dimensional Calculationmentioning

confidence: 99%

Monte Carlo Analysis of Streaming Effect through Annular Gaps around Piping Legs in Sodium Pool to Secondary Sodium Activation of the Demonstration Fast Breeder Reactor

Takemura

Mouri

Inagaki

2002

Journal of Nuclear Science and Technology

View full text Add to dashboard Cite

A top-entry loop-type reactor is one of the favorable options for Demonstration Fast Breeder Reactor (DFBR) which is now under development in Japan as a part of conceptual design study. Annular gaps around top-entry piping raise neutron streaming in upward direction in the sodium pool of reactor vessel. It enhances neutron flux level around decay heat exchangers (DHX's) in the pool and at the penetrations in primary biological shield for piping connecting to the vessels of intermediate heat exchangers (IHX's), and consequently enhance secondary sodium activations in these heat exchangers, which is one of the main issues for shielding design. In this study, three-dimensional Monte Carlo analysis method was applied to make precise evaluation of the neutron streaming effect with combination of some techniques for reduction of statistical error within reasonable CPU time. It is established that the contribution of neutron streaming to the secondary sodium activation in DHX's hardly reaches a level of 30% and that design analysis with two-dimensional discrete ordinates method gives conservative evaluation of the secondary sodium activations in DHX's and IHX's.

show abstract

Section: Condition For Three-dimensional Calculationmentioning

confidence: 99%

Monte Carlo Analysis of Streaming Effect through Annular Gaps around Piping Legs in Sodium Pool to Secondary Sodium Activation of the Demonstration Fast Breeder Reactor

Takemura

Mouri

Inagaki

2002

Journal of Nuclear Science and Technology

View full text Add to dashboard Cite

show abstract

“…It is also seen from the Tokyo proceedings and those of the 1984 Topical on Reactor Physics*and Shielding at Chicago^ that Monte Carlo analysis of any realistic system is often coupled with some other calculation methoddiscrete ordinates, diffusion theory, point kernel, or a separate Monte Carlo calculation, A much used scheme has been the DOT-DOMINO-MORSE 24…”

Section: Other Aspects Of Deep Penetration Calculations * ~ a Faimentioning

confidence: 99%

Monte Carlo Techniques for Analyzing Deep-Penetration Problems

Cramer

Gonnord

Hendricks

1986

Nuclear Science and Engineering

View full text Add to dashboard Cite

This report was prepared as an account of work sponsored by an agency of the United States Government. Neither the United States Government nor any agency thereof, tor any of their employees, makes any warranty, express or implied, or assumes any legal liability or responsibility for the accuracy, completeness, or usefulness of any information, apparatus, product, or process disclosed, or represents that its use would not Infringe privately owned rights. Reference herein to any specific commercial product, process, or service by trade name, trademark, manufacturer, or otherwise does not necessarily constitute or imply its endorsement, recommendation, or favoring by the United States Government or any agency thereof. The views and opinions of authors expressed herein do net necessarily state or reflect those of the United States Government or any agency thereof. To be presented in proceedings of 1985 Mg*C Topical o,i Advances in Nuclear Engineering Computational Methods. By •ccapunc* of thl» trticla. tha publithar or raciplant acknowladgat tha U.S. Govarnmant'i right to retain a nonaxclutiva. royalty-fraa flcanta in and to any copyright covaring ch« artlcla. *Rosearch sponsored by the Defense Nuclear Agency, U.S. Department of Energy, under contract DE-AC05-840R21400 with the Martin Marietta Energy Systems, Inc. DISTRIBUTE Cr-r^. .., rBT |MlTEn (c J MONTE CARLO TECHNIQUES FOR ANAL SZ ING DEEP PENETRATION PROBLEMS S. N. Cramer ~ J. Gonnord Qafejiidge,.National.^Laboratory. (i .,^l rtl ,^, h Centre d'Etudes Nucleaires de Saclay J. S. Hendricks _ Los Alamos National^LaboratoryL os Alamos, New Mexicb r B7545 1 ," USA '*' A review of current methods and difficulties in Monte Carlo deep-penetration calculations is presented. Statistical uncertainty is discussed, and recent adjoint optimization of splitting, Russian roulette, and exponential-transformation biasing is reviewed. Other aspects of the random walk and estimation processes are covered, including the relatively new DXANG angular biasing technique. Specific items summarized ai*e albedo scattering, Monte Carlo coupling techniques with discrete ordinates and other methods, adjoint solutions, and multi-group Monte Carlo. The topic of code-generated biasing parameters is presented, including the creation of adjoint importance functions from forward calculations. Finally, current and future work in the area of computer learning and artificial intelligence is discussed in connection with Monte Carlo applications.

show abstract

A first collision source method for coupling Monte Carlo and discrete ordinates for localized source problems

Alcouffe

Lecture Notes in Physics

View full text Add to dashboard Cite

DOMINO, a general purpose code for coupling discrete ordinates and Monte Carlo radiation transport calculations

Cited by 18 publications

References 1 publication

Monte Carlo Analysis of Streaming Effect through Annular Gaps around Piping Legs in Sodium Pool to Secondary Sodium Activation of the Demonstration Fast Breeder Reactor

Monte Carlo Analysis of Streaming Effect through Annular Gaps around Piping Legs in Sodium Pool to Secondary Sodium Activation of the Demonstration Fast Breeder Reactor

Monte Carlo Techniques for Analyzing Deep-Penetration Problems

A first collision source method for coupling Monte Carlo and discrete ordinates for localized source problems

Contact Info

Product

Resources

About