Batkov, K.

Klinkby, Esben Bryndt

Mezei, Ferenc

Pitcher, E.

Schönfeldt, Troels

Takibayev, A.

Zanini, L.

The current, still evolving status of the design and the optimization work for the moderator configuration for the European Spallation Source is described. The moderator design has been strongly driven by the low-dimensional moderator concept recently proposed for use in spallation neutron sources or reactors. Quasi-two dimensional, disc- or tube-shaped moderators,can provide strong brightness increase (factor of 3 or more) with respect to volume para-H2moderators, which constitute the reference, state-of-the-art technology for high-intensity coupled moderators. In the design process other, more conventional, principles were also considered,such as the importance of moderator positioning, of the premoderator, and beam extraction considerations. Different design and configuration options are evaluated and compared with the reference volume moderator configuration described in the ESS Technical Design Report

Online Research Database In Technology

Moderator Configuration Options for ESS - DTU Orbit (09/11/2017) Moderator Configuration Options for ESSThe current, still evolving status of the design and the optimization work for the moderator configuration for the EuropeanSpallation Source is described. The moderator design has been strongly driven by the low-dimensional moderator conceptrecently proposed for use in spallation neutron sources or reactors. Quasi-two dimensional, disc- or tube-shapedmoderators,can provide strong brightness increase (factor of 3 or more) with respect to volume para-H2moderators, whichconstitute the reference, state-of-the-art technology for high-intensity coupled moderators. In the design process other,more conventional, principles were also considered,such as the importance of moderator positioning, of the premoderator,and beam extraction considerations. Different design and configuration options are evaluated and compared with thereference volume moderator configuration described in the ESS Technical Design Report. General informationState: PublishedOrganisations: Center for Nuclear Technologies, Radiation Physics, European Spallation Source ESS ABAuthors: Zanini, L. (Ekstern), Batkov, K. (Ekstern), Klinkby, E. B. (Intern), Mezei, F. (Ekstern), Pitcher, E. (Ekstern),Schönfeldt, T. (Intern), Takibayev, A. (Ekstern)Pages: 126-133Publication date: 2016 Host publication informationTitle of host publication: Proceedings of the 21st Meeting of the International Collaboration on Advanced Neutron Sources(ICANS XXI) : Dawn of High Power Neutron Sources and Science ApplicationsPublisher: Japan Atomic Energy AgencyEditors: Oku, T., Nakamura, M., Sakai, K., Teshigawara, M., Tatsumoto, H., Yonemura, M., Suzuki, J., Arai, M.Article number: 3.2.11 Series: K E K ProceedingsNumber: 2015-7Series: J A E A - ConfNumber: 2015-002Main Research Area: Technical/natural sciencesConference: 21st Meeting of the International Collaboration on Advanced Neutron Sources, Mito, Japan, 29/09/2014 -29/09/2014DOIs: 10.11484/jaea-conf-2015-002 Publication: Research - peer-review › Article in proceedings – Annual report year: 2016 

Moderator Configuration Options for ESS

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Moderator Configuration Options for ESS

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