A Novel Monte Carlo Leakage Correction for Serpent 2

Ville Valtavirta; Jaakko Leppänen

A Novel Monte Carlo Leakage Correction for Serpent 2

Ville Valtavirta^*
, Jaakko Leppänen

^*Corresponding author for this work

BA4501 Reactor analysis

Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific › peer-review

Abstract

Serpent has historically applied leakage correction as a post-neutron-transport step based on solving a group of deterministic equations using homogenized multi-group data tallied during the neutron transport. A new Monte Carlo approach was developed and implemented for applying leakage correction already during the neutron transport. This new approach solves the fundamental mode (FM) leakage correction equations using continuous energy Monte Carlo and automatically applies the leakage correction to all result variables. The results of the new approach agree well with the deterministic fundamental mode approach, although the scoring of the cumulative migration method diffusion coefficient estimators needed to be scored in a slightly modified manner.

Original language	English
Title of host publication	Mathematics & Computation (M&C) 2021
Publisher	American Nuclear Society (ANS)
Pages	540-548
ISBN (Electronic)	978-1-71388-631-0
Publication status	Published - 2021
MoE publication type	A4 Article in a conference publication
Event	International Conference on Mathematics and Computational Methods Applied to Nuclear Science and Engineering, M&C 2021 - Virtual, Raleigh, United States Duration: 11 Apr 2021 → 15 Apr 2021

Publication series

Series	Transactions of the American Nuclear Society
Number	3141
ISSN	0003-018X

Conference

Conference	International Conference on Mathematics and Computational Methods Applied to Nuclear Science and Engineering, M&C 2021
Country/Territory	United States
City	Raleigh
Period	11/04/21 → 15/04/21

Funding

This work has been funded from the LONKERO project under the Finnish National Research Programme on Nuclear Power Plant Safety, SAFIR2022.

Keywords

critical spectrum
fundamental mode
leakage correction
Monte Carlo

Access to Document

https://www.ans.org/pubs/proceedings/article-50026/

Cite this

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title = "A Novel Monte Carlo Leakage Correction for Serpent 2",

abstract = "Serpent has historically applied leakage correction as a post-neutron-transport step based on solving a group of deterministic equations using homogenized multi-group data tallied during the neutron transport. A new Monte Carlo approach was developed and implemented for applying leakage correction already during the neutron transport. This new approach solves the fundamental mode (FM) leakage correction equations using continuous energy Monte Carlo and automatically applies the leakage correction to all result variables. The results of the new approach agree well with the deterministic fundamental mode approach, although the scoring of the cumulative migration method diffusion coefficient estimators needed to be scored in a slightly modified manner.",

keywords = "critical spectrum, fundamental mode, leakage correction, Monte Carlo",

author = "Ville Valtavirta and Jaakko Lepp{\"a}nen",

note = "Publisher Copyright: Copyright {\textcopyright} 2021 AMERICAN NUCLEAR SOCIETY, INCORPORATED, LA GRANGE PARK, ILLINOIS 60526.All rights reserved.; International Conference on Mathematics and Computational Methods Applied to Nuclear Science and Engineering, M\&C 2021 ; Conference date: 11-04-2021 Through 15-04-2021",

year = "2021",

language = "English",

series = "Transactions of the American Nuclear Society",

publisher = "American Nuclear Society (ANS)",

number = "3141",

pages = "540--548",

booktitle = "Mathematics \& Computation (M\&C) 2021",

address = "United States",

}

Valtavirta, V & Leppänen, J 2021, A Novel Monte Carlo Leakage Correction for Serpent 2. in Mathematics & Computation (M&C) 2021., 50026, American Nuclear Society (ANS), Transactions of the American Nuclear Society, no. 3141, pp. 540-548, International Conference on Mathematics and Computational Methods Applied to Nuclear Science and Engineering, M&C 2021, Raleigh, North Carolina, United States, 11/04/21. <https://www.ans.org/pubs/proceedings/article-50026/>

A Novel Monte Carlo Leakage Correction for Serpent 2. / Valtavirta, Ville; Leppänen, Jaakko.
Mathematics & Computation (M&C) 2021. American Nuclear Society (ANS), 2021. p. 540-548 50026 (Transactions of the American Nuclear Society; No. 3141).

Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific › peer-review

TY - GEN

T1 - A Novel Monte Carlo Leakage Correction for Serpent 2

AU - Valtavirta, Ville

AU - Leppänen, Jaakko

PY - 2021

Y1 - 2021

N2 - Serpent has historically applied leakage correction as a post-neutron-transport step based on solving a group of deterministic equations using homogenized multi-group data tallied during the neutron transport. A new Monte Carlo approach was developed and implemented for applying leakage correction already during the neutron transport. This new approach solves the fundamental mode (FM) leakage correction equations using continuous energy Monte Carlo and automatically applies the leakage correction to all result variables. The results of the new approach agree well with the deterministic fundamental mode approach, although the scoring of the cumulative migration method diffusion coefficient estimators needed to be scored in a slightly modified manner.

AB - Serpent has historically applied leakage correction as a post-neutron-transport step based on solving a group of deterministic equations using homogenized multi-group data tallied during the neutron transport. A new Monte Carlo approach was developed and implemented for applying leakage correction already during the neutron transport. This new approach solves the fundamental mode (FM) leakage correction equations using continuous energy Monte Carlo and automatically applies the leakage correction to all result variables. The results of the new approach agree well with the deterministic fundamental mode approach, although the scoring of the cumulative migration method diffusion coefficient estimators needed to be scored in a slightly modified manner.

KW - critical spectrum

KW - fundamental mode

KW - leakage correction

KW - Monte Carlo

UR - https://www.scopus.com/pages/publications/85183600483

M3 - Conference article in proceedings

AN - SCOPUS:85183600483

T3 - Transactions of the American Nuclear Society

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EP - 548

BT - Mathematics & Computation (M&C) 2021

PB - American Nuclear Society (ANS)

T2 - International Conference on Mathematics and Computational Methods Applied to Nuclear Science and Engineering, M&C 2021

Y2 - 11 April 2021 through 15 April 2021

ER -

A Novel Monte Carlo Leakage Correction for Serpent 2

Abstract

Publication series

Conference

Funding

Keywords

Access to Document

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