New energy deposition treatment in the Serpent 2 Monte Carlo transport code

Research output: Contribution to journalArticleScientificpeer-review

Abstract

In this work a new energy deposition treatment for the Serpent 2 Monte Carlo transport code is introduced. The treatment is implemented as a set of energy deposition modes, each of which offers a different combination of accuracy and required computational time. The most accurate mode uses the coupled neutron-photon transport available in Serpent 2. In addition to the new modes, a few other improvements such as a new energy deposition detector response was developed. The energy deposition treatment is demonstrated with simple LWR and LFR assembly level test cases. In the LWR cases the results are compared with MCNP6 on a high-level and a good agreement is achieved. In the LFR case differences in the energy deposition estimates of the different modes are highlighted. Based on the test cases, problems in the energy deposition data with ENDF/B-VII.1 and ENDF/B-VIII.0 are presented. Finally, future work concerning energy deposition capabilities of Serpent 2 are briefly discussed.

Original languageEnglish
Pages (from-to)224-232
Number of pages9
JournalAnnals of Nuclear Energy
Volume129
DOIs
Publication statusPublished - 2019
MoE publication typeNot Eligible

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Neutrons
Photons
Detectors

Keywords

  • Energy deposition
  • Heating
  • Monte Carlo
  • Photon transport
  • Serpent

Cite this

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title = "New energy deposition treatment in the Serpent 2 Monte Carlo transport code",
abstract = "In this work a new energy deposition treatment for the Serpent 2 Monte Carlo transport code is introduced. The treatment is implemented as a set of energy deposition modes, each of which offers a different combination of accuracy and required computational time. The most accurate mode uses the coupled neutron-photon transport available in Serpent 2. In addition to the new modes, a few other improvements such as a new energy deposition detector response was developed. The energy deposition treatment is demonstrated with simple LWR and LFR assembly level test cases. In the LWR cases the results are compared with MCNP6 on a high-level and a good agreement is achieved. In the LFR case differences in the energy deposition estimates of the different modes are highlighted. Based on the test cases, problems in the energy deposition data with ENDF/B-VII.1 and ENDF/B-VIII.0 are presented. Finally, future work concerning energy deposition capabilities of Serpent 2 are briefly discussed.",
keywords = "Energy deposition, Heating, Monte Carlo, Photon transport, Serpent",
author = "Riku Tuominen and Ville Valtavirta and Jaakko Lepp{\"a}nen",
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New energy deposition treatment in the Serpent 2 Monte Carlo transport code. / Tuominen, Riku; Valtavirta, Ville; Leppänen, Jaakko.

In: Annals of Nuclear Energy, Vol. 129, 2019, p. 224-232.

Research output: Contribution to journalArticleScientificpeer-review

TY - JOUR

T1 - New energy deposition treatment in the Serpent 2 Monte Carlo transport code

AU - Tuominen, Riku

AU - Valtavirta, Ville

AU - Leppänen, Jaakko

PY - 2019

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N2 - In this work a new energy deposition treatment for the Serpent 2 Monte Carlo transport code is introduced. The treatment is implemented as a set of energy deposition modes, each of which offers a different combination of accuracy and required computational time. The most accurate mode uses the coupled neutron-photon transport available in Serpent 2. In addition to the new modes, a few other improvements such as a new energy deposition detector response was developed. The energy deposition treatment is demonstrated with simple LWR and LFR assembly level test cases. In the LWR cases the results are compared with MCNP6 on a high-level and a good agreement is achieved. In the LFR case differences in the energy deposition estimates of the different modes are highlighted. Based on the test cases, problems in the energy deposition data with ENDF/B-VII.1 and ENDF/B-VIII.0 are presented. Finally, future work concerning energy deposition capabilities of Serpent 2 are briefly discussed.

AB - In this work a new energy deposition treatment for the Serpent 2 Monte Carlo transport code is introduced. The treatment is implemented as a set of energy deposition modes, each of which offers a different combination of accuracy and required computational time. The most accurate mode uses the coupled neutron-photon transport available in Serpent 2. In addition to the new modes, a few other improvements such as a new energy deposition detector response was developed. The energy deposition treatment is demonstrated with simple LWR and LFR assembly level test cases. In the LWR cases the results are compared with MCNP6 on a high-level and a good agreement is achieved. In the LFR case differences in the energy deposition estimates of the different modes are highlighted. Based on the test cases, problems in the energy deposition data with ENDF/B-VII.1 and ENDF/B-VIII.0 are presented. Finally, future work concerning energy deposition capabilities of Serpent 2 are briefly discussed.

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KW - Heating

KW - Monte Carlo

KW - Photon transport

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