Neutronic design of MYRRHA reactor hall shielding

The lateral shielding of a 600 MeV proton linear accelerator beam line in the MYRRHA reactor hall has been assessed using neutronic calculations by the MCNPX code complemented with analytical predictions. Continuous beam losses were considered to define the required shielding thickness that meets th...

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Main Authors: Celik Yurdunaz, Stankovskiy Alexey, Eynde Gert Van den
Format: Article
Language:English
Published: EDP Sciences 2017-01-01
Series:EPJ Web of Conferences
Online Access:https://doi.org/10.1051/epjconf/201715303007
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author Celik Yurdunaz
Stankovskiy Alexey
Eynde Gert Van den
author_facet Celik Yurdunaz
Stankovskiy Alexey
Eynde Gert Van den
author_sort Celik Yurdunaz
collection DOAJ
description The lateral shielding of a 600 MeV proton linear accelerator beam line in the MYRRHA reactor hall has been assessed using neutronic calculations by the MCNPX code complemented with analytical predictions. Continuous beam losses were considered to define the required shielding thickness that meets the requirements for the dose rate limits. Required shielding thicknesses were investigated from the viewpoint of accidental full beam loss as well as beam loss on collimator. The results confirm that the required shielding thicknesses are highly sensitive to the spatial shape of the beam and strongly divergent beam losses. Therefore shielding barrier should be designed according to the more conservative assumptions.
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spelling doaj.art-5a77cd7a7ea645c990c54972229afaa72022-12-21T22:26:15ZengEDP SciencesEPJ Web of Conferences2100-014X2017-01-011530300710.1051/epjconf/201715303007epjconf_icrs2017_03007Neutronic design of MYRRHA reactor hall shieldingCelik Yurdunaz0Stankovskiy Alexey1Eynde Gert Van den2SCK•CEN, Institute for Advanced Nuclear SystemsSCK•CEN, Institute for Advanced Nuclear SystemsSCK•CEN, Institute for Advanced Nuclear SystemsThe lateral shielding of a 600 MeV proton linear accelerator beam line in the MYRRHA reactor hall has been assessed using neutronic calculations by the MCNPX code complemented with analytical predictions. Continuous beam losses were considered to define the required shielding thickness that meets the requirements for the dose rate limits. Required shielding thicknesses were investigated from the viewpoint of accidental full beam loss as well as beam loss on collimator. The results confirm that the required shielding thicknesses are highly sensitive to the spatial shape of the beam and strongly divergent beam losses. Therefore shielding barrier should be designed according to the more conservative assumptions.https://doi.org/10.1051/epjconf/201715303007
spellingShingle Celik Yurdunaz
Stankovskiy Alexey
Eynde Gert Van den
Neutronic design of MYRRHA reactor hall shielding
EPJ Web of Conferences
title Neutronic design of MYRRHA reactor hall shielding
title_full Neutronic design of MYRRHA reactor hall shielding
title_fullStr Neutronic design of MYRRHA reactor hall shielding
title_full_unstemmed Neutronic design of MYRRHA reactor hall shielding
title_short Neutronic design of MYRRHA reactor hall shielding
title_sort neutronic design of myrrha reactor hall shielding
url https://doi.org/10.1051/epjconf/201715303007
work_keys_str_mv AT celikyurdunaz neutronicdesignofmyrrhareactorhallshielding
AT stankovskiyalexey neutronicdesignofmyrrhareactorhallshielding
AT eyndegertvanden neutronicdesignofmyrrhareactorhallshielding