Internal neutronics-temperature coupling in Serpent 2

Ville Valtavirta (Corresponding Author), Tuomas Viitanen, Jaakko Leppänen

Research output: Contribution to journalArticleScientificpeer-review

8 Citations (Scopus)

Abstract

This paper describes the built-in calculation routines in the reactor physics code Serpent 2 that provide a novel method for solving the coupled problem of the power distribution, temperature distribution, and material property distributions in nuclear fuel elements. All of the coupled distributions are solved during a single simulation with no coupling to external codes. The temperature feedback system consists of three separate built-in parts: an explicit treatment of the thermal motion of target nuclides during the transport calculation, an internal analytic radial temperature profile solver, and internal material property correlations. The internal structure and couplings of the calculation routines are described in detail, after which the results of an assembly-level problem are presented to demonstrate the capabilities and functionality of the system.
Original languageEnglish
Pages (from-to)193-202
Number of pages10
JournalNuclear Science and Engineering
Volume177
Issue number2
DOIs
Publication statusPublished - 2014
MoE publication typeA1 Journal article-refereed

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Materials properties
Nuclear fuel elements
Temperature
Isotopes
Temperature distribution
Physics
Feedback
Hot Temperature

Cite this

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title = "Internal neutronics-temperature coupling in Serpent 2",
abstract = "This paper describes the built-in calculation routines in the reactor physics code Serpent 2 that provide a novel method for solving the coupled problem of the power distribution, temperature distribution, and material property distributions in nuclear fuel elements. All of the coupled distributions are solved during a single simulation with no coupling to external codes. The temperature feedback system consists of three separate built-in parts: an explicit treatment of the thermal motion of target nuclides during the transport calculation, an internal analytic radial temperature profile solver, and internal material property correlations. The internal structure and couplings of the calculation routines are described in detail, after which the results of an assembly-level problem are presented to demonstrate the capabilities and functionality of the system.",
author = "Ville Valtavirta and Tuomas Viitanen and Jaakko Lepp{\"a}nen",
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pages = "193--202",
journal = "Nuclear Science and Engineering",
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Internal neutronics-temperature coupling in Serpent 2. / Valtavirta, Ville (Corresponding Author); Viitanen, Tuomas; Leppänen, Jaakko.

In: Nuclear Science and Engineering, Vol. 177, No. 2, 2014, p. 193-202.

Research output: Contribution to journalArticleScientificpeer-review

TY - JOUR

T1 - Internal neutronics-temperature coupling in Serpent 2

AU - Valtavirta, Ville

AU - Viitanen, Tuomas

AU - Leppänen, Jaakko

PY - 2014

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AB - This paper describes the built-in calculation routines in the reactor physics code Serpent 2 that provide a novel method for solving the coupled problem of the power distribution, temperature distribution, and material property distributions in nuclear fuel elements. All of the coupled distributions are solved during a single simulation with no coupling to external codes. The temperature feedback system consists of three separate built-in parts: an explicit treatment of the thermal motion of target nuclides during the transport calculation, an internal analytic radial temperature profile solver, and internal material property correlations. The internal structure and couplings of the calculation routines are described in detail, after which the results of an assembly-level problem are presented to demonstrate the capabilities and functionality of the system.

U2 - 10.13182/NSE13-3

DO - 10.13182/NSE13-3

M3 - Article

VL - 177

SP - 193

EP - 202

JO - Nuclear Science and Engineering

JF - Nuclear Science and Engineering

SN - 0029-5639

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