Thermal moderator-reflector design of the 24 Hz target station for the High Brilliance Neutron Source

The High Brilliance Neutron Source (HBS) project develops a high current accelerator driven neutron source (HiCANS), aiming to substitute existing neutron research reactors, that reach the end of life. This study focuses on the thermal neutron moderator design for a low frequency, long pulse target...
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Autor*in:	Chen Junyang [verfasserIn] Rücker Ulrich [verfasserIn] Voigt Jörg [verfasserIn] Zakalek Paul [verfasserIn] Vezhlev Egor [verfasserIn] Li Jingjing [verfasserIn] Gutberlet Thomas [verfasserIn] Brückel Thomas [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2023

Übergeordnetes Werk:	In: EPJ Web of Conferences - EDP Sciences, 2010, 286, p 02005(2023)
Übergeordnetes Werk:	volume:286, p 02005 ; year:2023

Links:	Link aufrufen Link aufrufen Link aufrufen Journal toc

DOI / URN:	10.1051/epjconf/202328602005

Katalog-ID:	DOAJ090911342

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allfields	10.1051/epjconf/202328602005 doi (DE-627)DOAJ090911342 (DE-599)DOAJ7c35658a5e19499381cb25aa8184b383 DE-627 ger DE-627 rakwb eng QC1-999 Chen Junyang verfasserin aut Thermal moderator-reflector design of the 24 Hz target station for the High Brilliance Neutron Source 2023 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The High Brilliance Neutron Source (HBS) project develops a high current accelerator driven neutron source (HiCANS), aiming to substitute existing neutron research reactors, that reach the end of life. This study focuses on the thermal neutron moderator design for a low frequency, long pulse target station of HBS. We investigate the neutronic characteristics of the D2O+H2O mixture moderator material using the Monte Carlo particle transport code PHITS. Our findings show that, compared to D2O with lower neutron absorption, confinement of H2O is the dominant factor in achieving a high neutron flux within the moderator and thus a high neutron brightness. We find that surrounding the central thermal water moderator with a D2O+H2O mixture can achieve a better balance between confinement and absorption. However, because of multiple angles of reflecting neutron, this design will also increase the divergence of the neutron beam. Physics Rücker Ulrich verfasserin aut Voigt Jörg verfasserin aut Zakalek Paul verfasserin aut Vezhlev Egor verfasserin aut Li Jingjing verfasserin aut Gutberlet Thomas verfasserin aut Brückel Thomas verfasserin aut In EPJ Web of Conferences EDP Sciences, 2010 286, p 02005(2023) (DE-627)647306611 (DE-600)2595425-8 2100014X nnns volume:286, p 02005 year:2023 https://doi.org/10.1051/epjconf/202328602005 kostenfrei https://doaj.org/article/7c35658a5e19499381cb25aa8184b383 kostenfrei https://www.epj-conferences.org/articles/epjconf/pdf/2023/12/epjconf_ecns2023_02005.pdf kostenfrei https://doaj.org/toc/2100-014X Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2005 GBV_ILN_2009 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2055 GBV_ILN_2111 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 286, p 02005 2023
spelling	10.1051/epjconf/202328602005 doi (DE-627)DOAJ090911342 (DE-599)DOAJ7c35658a5e19499381cb25aa8184b383 DE-627 ger DE-627 rakwb eng QC1-999 Chen Junyang verfasserin aut Thermal moderator-reflector design of the 24 Hz target station for the High Brilliance Neutron Source 2023 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The High Brilliance Neutron Source (HBS) project develops a high current accelerator driven neutron source (HiCANS), aiming to substitute existing neutron research reactors, that reach the end of life. This study focuses on the thermal neutron moderator design for a low frequency, long pulse target station of HBS. We investigate the neutronic characteristics of the D2O+H2O mixture moderator material using the Monte Carlo particle transport code PHITS. Our findings show that, compared to D2O with lower neutron absorption, confinement of H2O is the dominant factor in achieving a high neutron flux within the moderator and thus a high neutron brightness. We find that surrounding the central thermal water moderator with a D2O+H2O mixture can achieve a better balance between confinement and absorption. However, because of multiple angles of reflecting neutron, this design will also increase the divergence of the neutron beam. Physics Rücker Ulrich verfasserin aut Voigt Jörg verfasserin aut Zakalek Paul verfasserin aut Vezhlev Egor verfasserin aut Li Jingjing verfasserin aut Gutberlet Thomas verfasserin aut Brückel Thomas verfasserin aut In EPJ Web of Conferences EDP Sciences, 2010 286, p 02005(2023) (DE-627)647306611 (DE-600)2595425-8 2100014X nnns volume:286, p 02005 year:2023 https://doi.org/10.1051/epjconf/202328602005 kostenfrei https://doaj.org/article/7c35658a5e19499381cb25aa8184b383 kostenfrei https://www.epj-conferences.org/articles/epjconf/pdf/2023/12/epjconf_ecns2023_02005.pdf kostenfrei https://doaj.org/toc/2100-014X Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2005 GBV_ILN_2009 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2055 GBV_ILN_2111 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 286, p 02005 2023
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allfieldsGer	10.1051/epjconf/202328602005 doi (DE-627)DOAJ090911342 (DE-599)DOAJ7c35658a5e19499381cb25aa8184b383 DE-627 ger DE-627 rakwb eng QC1-999 Chen Junyang verfasserin aut Thermal moderator-reflector design of the 24 Hz target station for the High Brilliance Neutron Source 2023 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The High Brilliance Neutron Source (HBS) project develops a high current accelerator driven neutron source (HiCANS), aiming to substitute existing neutron research reactors, that reach the end of life. This study focuses on the thermal neutron moderator design for a low frequency, long pulse target station of HBS. We investigate the neutronic characteristics of the D2O+H2O mixture moderator material using the Monte Carlo particle transport code PHITS. Our findings show that, compared to D2O with lower neutron absorption, confinement of H2O is the dominant factor in achieving a high neutron flux within the moderator and thus a high neutron brightness. We find that surrounding the central thermal water moderator with a D2O+H2O mixture can achieve a better balance between confinement and absorption. However, because of multiple angles of reflecting neutron, this design will also increase the divergence of the neutron beam. Physics Rücker Ulrich verfasserin aut Voigt Jörg verfasserin aut Zakalek Paul verfasserin aut Vezhlev Egor verfasserin aut Li Jingjing verfasserin aut Gutberlet Thomas verfasserin aut Brückel Thomas verfasserin aut In EPJ Web of Conferences EDP Sciences, 2010 286, p 02005(2023) (DE-627)647306611 (DE-600)2595425-8 2100014X nnns volume:286, p 02005 year:2023 https://doi.org/10.1051/epjconf/202328602005 kostenfrei https://doaj.org/article/7c35658a5e19499381cb25aa8184b383 kostenfrei https://www.epj-conferences.org/articles/epjconf/pdf/2023/12/epjconf_ecns2023_02005.pdf kostenfrei https://doaj.org/toc/2100-014X Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2005 GBV_ILN_2009 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2055 GBV_ILN_2111 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 286, p 02005 2023
allfieldsSound	10.1051/epjconf/202328602005 doi (DE-627)DOAJ090911342 (DE-599)DOAJ7c35658a5e19499381cb25aa8184b383 DE-627 ger DE-627 rakwb eng QC1-999 Chen Junyang verfasserin aut Thermal moderator-reflector design of the 24 Hz target station for the High Brilliance Neutron Source 2023 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The High Brilliance Neutron Source (HBS) project develops a high current accelerator driven neutron source (HiCANS), aiming to substitute existing neutron research reactors, that reach the end of life. This study focuses on the thermal neutron moderator design for a low frequency, long pulse target station of HBS. We investigate the neutronic characteristics of the D2O+H2O mixture moderator material using the Monte Carlo particle transport code PHITS. Our findings show that, compared to D2O with lower neutron absorption, confinement of H2O is the dominant factor in achieving a high neutron flux within the moderator and thus a high neutron brightness. We find that surrounding the central thermal water moderator with a D2O+H2O mixture can achieve a better balance between confinement and absorption. However, because of multiple angles of reflecting neutron, this design will also increase the divergence of the neutron beam. Physics Rücker Ulrich verfasserin aut Voigt Jörg verfasserin aut Zakalek Paul verfasserin aut Vezhlev Egor verfasserin aut Li Jingjing verfasserin aut Gutberlet Thomas verfasserin aut Brückel Thomas verfasserin aut In EPJ Web of Conferences EDP Sciences, 2010 286, p 02005(2023) (DE-627)647306611 (DE-600)2595425-8 2100014X nnns volume:286, p 02005 year:2023 https://doi.org/10.1051/epjconf/202328602005 kostenfrei https://doaj.org/article/7c35658a5e19499381cb25aa8184b383 kostenfrei https://www.epj-conferences.org/articles/epjconf/pdf/2023/12/epjconf_ecns2023_02005.pdf kostenfrei https://doaj.org/toc/2100-014X Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2005 GBV_ILN_2009 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2055 GBV_ILN_2111 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 286, p 02005 2023
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topic_title	QC1-999 Thermal moderator-reflector design of the 24 Hz target station for the High Brilliance Neutron Source
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title	Thermal moderator-reflector design of the 24 Hz target station for the High Brilliance Neutron Source
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title_full	Thermal moderator-reflector design of the 24 Hz target station for the High Brilliance Neutron Source
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title_sort	thermal moderator-reflector design of the 24 hz target station for the high brilliance neutron source
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title_auth	Thermal moderator-reflector design of the 24 Hz target station for the High Brilliance Neutron Source
abstract	The High Brilliance Neutron Source (HBS) project develops a high current accelerator driven neutron source (HiCANS), aiming to substitute existing neutron research reactors, that reach the end of life. This study focuses on the thermal neutron moderator design for a low frequency, long pulse target station of HBS. We investigate the neutronic characteristics of the D2O+H2O mixture moderator material using the Monte Carlo particle transport code PHITS. Our findings show that, compared to D2O with lower neutron absorption, confinement of H2O is the dominant factor in achieving a high neutron flux within the moderator and thus a high neutron brightness. We find that surrounding the central thermal water moderator with a D2O+H2O mixture can achieve a better balance between confinement and absorption. However, because of multiple angles of reflecting neutron, this design will also increase the divergence of the neutron beam.
abstractGer	The High Brilliance Neutron Source (HBS) project develops a high current accelerator driven neutron source (HiCANS), aiming to substitute existing neutron research reactors, that reach the end of life. This study focuses on the thermal neutron moderator design for a low frequency, long pulse target station of HBS. We investigate the neutronic characteristics of the D2O+H2O mixture moderator material using the Monte Carlo particle transport code PHITS. Our findings show that, compared to D2O with lower neutron absorption, confinement of H2O is the dominant factor in achieving a high neutron flux within the moderator and thus a high neutron brightness. We find that surrounding the central thermal water moderator with a D2O+H2O mixture can achieve a better balance between confinement and absorption. However, because of multiple angles of reflecting neutron, this design will also increase the divergence of the neutron beam.
abstract_unstemmed	The High Brilliance Neutron Source (HBS) project develops a high current accelerator driven neutron source (HiCANS), aiming to substitute existing neutron research reactors, that reach the end of life. This study focuses on the thermal neutron moderator design for a low frequency, long pulse target station of HBS. We investigate the neutronic characteristics of the D2O+H2O mixture moderator material using the Monte Carlo particle transport code PHITS. Our findings show that, compared to D2O with lower neutron absorption, confinement of H2O is the dominant factor in achieving a high neutron flux within the moderator and thus a high neutron brightness. We find that surrounding the central thermal water moderator with a D2O+H2O mixture can achieve a better balance between confinement and absorption. However, because of multiple angles of reflecting neutron, this design will also increase the divergence of the neutron beam.
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title_short	Thermal moderator-reflector design of the 24 Hz target station for the High Brilliance Neutron Source
url	https://doi.org/10.1051/epjconf/202328602005 https://doaj.org/article/7c35658a5e19499381cb25aa8184b383 https://www.epj-conferences.org/articles/epjconf/pdf/2023/12/epjconf_ecns2023_02005.pdf https://doaj.org/toc/2100-014X
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up_date	2024-07-03T17:20:01.335Z
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Thermal moderator-reflector design of the 24 Hz target station for the High Brilliance Neutron Source

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