Design Concept of the Thermal Flux Island in MYRRHA for LLFP Transmutation. Present Status.

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Design Concept of the Thermal Flux Island in MYRRHA for LLFP Transmutation. Present Status. / Aoust, Thierry; De Raedt, Charles; Malambu Mbala, Edouard; Aït Abderrahim, Hamid.

ANS Topical meeting on accelerator applications accelerator driven transmutation technology application - CD ROM. 2002. ed. ANS - American Nuclear Society, 2002.

Research output: Contribution to report/book/conference proceedingsIn-proceedings paperpeer-review

Harvard

Aoust, T, De Raedt, C, Malambu Mbala, E & Aït Abderrahim, H 2002, Design Concept of the Thermal Flux Island in MYRRHA for LLFP Transmutation. Present Status. in ANS Topical meeting on accelerator applications accelerator driven transmutation technology application - CD ROM. 2002 edn, ANS - American Nuclear Society, 2001 - AccApp/ADTTA , Reno, Nevada, United States, 2001-11-11.

APA

Aoust, T., De Raedt, C., Malambu Mbala, E., & Aït Abderrahim, H. (2002). Design Concept of the Thermal Flux Island in MYRRHA for LLFP Transmutation. Present Status. In ANS Topical meeting on accelerator applications accelerator driven transmutation technology application - CD ROM (2002 ed.). ANS - American Nuclear Society.

Vancouver

Aoust T, De Raedt C, Malambu Mbala E, Aït Abderrahim H. Design Concept of the Thermal Flux Island in MYRRHA for LLFP Transmutation. Present Status. In ANS Topical meeting on accelerator applications accelerator driven transmutation technology application - CD ROM. 2002 ed. ANS - American Nuclear Society. 2002

Author

Aoust, Thierry ; De Raedt, Charles ; Malambu Mbala, Edouard ; Aït Abderrahim, Hamid. / Design Concept of the Thermal Flux Island in MYRRHA for LLFP Transmutation. Present Status. ANS Topical meeting on accelerator applications accelerator driven transmutation technology application - CD ROM. 2002. ed. ANS - American Nuclear Society, 2002.

Bibtex - Download

@inproceedings{b805ce0f467a4f6cae6cc2d4e0a964e9,
title = "Design Concept of the Thermal Flux Island in MYRRHA for LLFP Transmutation. Present Status.",
abstract = "MYRRHA is an ADS aimed at providing protons and neutrons for various R&D applications. It consists of a proton accelerator coupled to a sub-critical fast core. While the fast neutron spectrum, obtaining in the MYRRHA core, allows the transmutation of minor actinides (MAs), the transmutation of long lived fission products (LLFPs) in MYRRHA requires the utilisation of a thermal spectrum in order to take profit of the fact that the capture cross-sections of the LLFPs are much larger in the thermal-energy domain than in the high-energy domain. A high thermal flux island inside MYRRHA is therefore being developed, consisting of an irradiation device for LLFPs (or other irradiation target material needing a thermal neutron spectrum), surrounded by assemblies filled with a lattice of ZrH2 moderator pins, cooled by the same coolant (Pb-Bi) as the MYRRHA fuel assemblies. Thermal neutron absorbers at the periphery of the neutron island are used to minimise the influence of the thermal flux on the fast core. The study of the performances of MYRRHA, including the transmutation of the LLFPs in such a thermal island, is carried out with the aid of the code MCNPX. The transmutation performances of LLFPs are assessed by coupling the code MCNPX to an evolution calculation. The LLFPs studied are Tc-99 and I-129.",
keywords = "LLFD (long lived fission products), transmutation of waste, thermal island, ADS MYRRHA",
author = "Thierry Aoust and {De Raedt}, Charles and {Malambu Mbala}, Edouard and {A{\"i}t Abderrahim}, Hamid",
year = "2002",
month = nov,
day = "14",
language = "English",
isbn = "0894486667",
booktitle = "ANS Topical meeting on accelerator applications accelerator driven transmutation technology application - CD ROM",
publisher = "ANS - American Nuclear Society",
address = "United States",
edition = "2002",
note = "2001 - AccApp/ADTTA : Fifth International Topical Meeting on Nuclear Applications of Accelerator Technology ; Conference date: 11-11-2001 Through 15-11-2001",

}

RIS - Download

TY - GEN

T1 - Design Concept of the Thermal Flux Island in MYRRHA for LLFP Transmutation. Present Status.

AU - Aoust, Thierry

AU - De Raedt, Charles

AU - Malambu Mbala, Edouard

AU - Aït Abderrahim, Hamid

PY - 2002/11/14

Y1 - 2002/11/14

N2 - MYRRHA is an ADS aimed at providing protons and neutrons for various R&D applications. It consists of a proton accelerator coupled to a sub-critical fast core. While the fast neutron spectrum, obtaining in the MYRRHA core, allows the transmutation of minor actinides (MAs), the transmutation of long lived fission products (LLFPs) in MYRRHA requires the utilisation of a thermal spectrum in order to take profit of the fact that the capture cross-sections of the LLFPs are much larger in the thermal-energy domain than in the high-energy domain. A high thermal flux island inside MYRRHA is therefore being developed, consisting of an irradiation device for LLFPs (or other irradiation target material needing a thermal neutron spectrum), surrounded by assemblies filled with a lattice of ZrH2 moderator pins, cooled by the same coolant (Pb-Bi) as the MYRRHA fuel assemblies. Thermal neutron absorbers at the periphery of the neutron island are used to minimise the influence of the thermal flux on the fast core. The study of the performances of MYRRHA, including the transmutation of the LLFPs in such a thermal island, is carried out with the aid of the code MCNPX. The transmutation performances of LLFPs are assessed by coupling the code MCNPX to an evolution calculation. The LLFPs studied are Tc-99 and I-129.

AB - MYRRHA is an ADS aimed at providing protons and neutrons for various R&D applications. It consists of a proton accelerator coupled to a sub-critical fast core. While the fast neutron spectrum, obtaining in the MYRRHA core, allows the transmutation of minor actinides (MAs), the transmutation of long lived fission products (LLFPs) in MYRRHA requires the utilisation of a thermal spectrum in order to take profit of the fact that the capture cross-sections of the LLFPs are much larger in the thermal-energy domain than in the high-energy domain. A high thermal flux island inside MYRRHA is therefore being developed, consisting of an irradiation device for LLFPs (or other irradiation target material needing a thermal neutron spectrum), surrounded by assemblies filled with a lattice of ZrH2 moderator pins, cooled by the same coolant (Pb-Bi) as the MYRRHA fuel assemblies. Thermal neutron absorbers at the periphery of the neutron island are used to minimise the influence of the thermal flux on the fast core. The study of the performances of MYRRHA, including the transmutation of the LLFPs in such a thermal island, is carried out with the aid of the code MCNPX. The transmutation performances of LLFPs are assessed by coupling the code MCNPX to an evolution calculation. The LLFPs studied are Tc-99 and I-129.

KW - LLFD (long lived fission products)

KW - transmutation of waste

KW - thermal island

KW - ADS MYRRHA

UR - http://ecm.sckcen.be/OTCS/llisapi.dll/open/axs_1131066

M3 - In-proceedings paper

SN - 0894486667

BT - ANS Topical meeting on accelerator applications accelerator driven transmutation technology application - CD ROM

PB - ANS - American Nuclear Society

T2 - 2001 - AccApp/ADTTA

Y2 - 11 November 2001 through 15 November 2001

ER -

ID: 4784962