Geant4 simulations of neutron production in a thorium fuelled accelerator driven subcritical reactors

David Sangcheol Lee; Robert Cywinski; Cristian Bungau; Rebecca Seviour

doi:10.22323/1.279.0011

Geant4 simulations of neutron production in a thorium fuelled accelerator driven subcritical reactors

David Sangcheol Lee, Robert Cywinski, Cristian Bungau, Rebecca Seviour

Research output: Contribution to journal › Article › peer-review

Abstract

Spallation taken from the middle English spalle, is an efficient process for producing an intense neutron flux suitable for exploitation in Accelerator Driven Subcritical Reactors (ADSRs) for energy production and the transmutation. In order to assess spallation driven fission and transmutation we have simulated proton induced neutron production using GEANT4. Benchmarking our simulations against experimental neutron spectra produced from a thick lead target bombarded with 0.5 and 1.5 GeV protons. The Bertini and INCL models available in GEANT4, coupled with the high precision (HP) neutron model, are found to reproduce the published experimental data. Given the confidence in the GEANT4 simulations provided by this benchmarking we then proceed to study neutron production in an ADSR using Thorium in a geometry similar to that of the proposed Belgian MYRRHA project with 0.6 GeV proton beam energy that proposed by SCKCEN.

Original language	English
Number of pages	11
Journal	Proceedings of Science
Volume	279
Early online date	23 Feb 2017
DOIs	https://doi.org/10.22323/1.279.0011
Publication status	Published - 14 Apr 2017
Event	4th Workshop on ADS and Thorium - University of Huddersfield, Huddersfield, United Kingdom Duration: 31 Aug 2016 → 2 Sep 2016 Conference number: 4 https://pos.sissa.it/279/ (Link to Event Details)

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title = "Geant4 simulations of neutron production in a thorium fuelled accelerator driven subcritical reactors",

abstract = "Spallation taken from the middle English spalle, is an efficient process for producing an intense neutron flux suitable for exploitation in Accelerator Driven Subcritical Reactors (ADSRs) for energy production and the transmutation. In order to assess spallation driven fission and transmutation we have simulated proton induced neutron production using GEANT4. Benchmarking our simulations against experimental neutron spectra produced from a thick lead target bombarded with 0.5 and 1.5 GeV protons. The Bertini and INCL models available in GEANT4, coupled with the high precision (HP) neutron model, are found to reproduce the published experimental data. Given the confidence in the GEANT4 simulations provided by this benchmarking we then proceed to study neutron production in an ADSR using Thorium in a geometry similar to that of the proposed Belgian MYRRHA project with 0.6 GeV proton beam energy that proposed by SCKCEN.",

author = "Lee, {David Sangcheol} and Robert Cywinski and Cristian Bungau and Rebecca Seviour",

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T1 - Geant4 simulations of neutron production in a thorium fuelled accelerator driven subcritical reactors

AU - Lee, David Sangcheol

AU - Cywinski, Robert

AU - Bungau, Cristian

AU - Seviour, Rebecca

N1 - Conference code: 4

PY - 2017/4/14

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AB - Spallation taken from the middle English spalle, is an efficient process for producing an intense neutron flux suitable for exploitation in Accelerator Driven Subcritical Reactors (ADSRs) for energy production and the transmutation. In order to assess spallation driven fission and transmutation we have simulated proton induced neutron production using GEANT4. Benchmarking our simulations against experimental neutron spectra produced from a thick lead target bombarded with 0.5 and 1.5 GeV protons. The Bertini and INCL models available in GEANT4, coupled with the high precision (HP) neutron model, are found to reproduce the published experimental data. Given the confidence in the GEANT4 simulations provided by this benchmarking we then proceed to study neutron production in an ADSR using Thorium in a geometry similar to that of the proposed Belgian MYRRHA project with 0.6 GeV proton beam energy that proposed by SCKCEN.

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Geant4 simulations of neutron production in a thorium fuelled accelerator driven subcritical reactors

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