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dc.contributor.author | Pyeon, Cheol Ho | en |
dc.contributor.author | Yamanaka, Masao | en |
dc.contributor.author | Endo, Tomohiro | en |
dc.contributor.author | Chiba, Go | en |
dc.contributor.author | Van Rooijen, Willem F. G | en |
dc.contributor.author | Watanabe, Kenichi | en |
dc.contributor.alternative | 卞, 哲浩 | ja |
dc.contributor.alternative | 山中, 正朗 | ja |
dc.date.accessioned | 2020-11-27T07:09:03Z | - |
dc.date.available | 2020-11-27T07:09:03Z | - |
dc.date.issued | 2020 | - |
dc.identifier.issn | 0029-5639 | - |
dc.identifier.issn | 1943-748X | - |
dc.identifier.uri | http://hdl.handle.net/2433/259297 | - |
dc.description.abstract | At the Kyoto University Critical Assembly experiments on kinetics parameters are carried out at near-critical configurations, supercritical and subcritical states, in the thermal neutron spectrum made with a highly enriched uranium fuel. The main calculated kinetics parameters, the effective delayed neutron fraction (βeff) and the neutron generation time (Ʌ), are used effectively for the estimation of experimental parameters, and the accuracy of experiments on prompt neutron decay constant (α) and subcriticality (ρ$) in dollar units is attained by the numerical results of βeff and Ʌ. Furthermore, the value of βeff/Ʌ is experimentally deduced with the use of the experimental results of α and ρ$, ranging between 250 and −80 pcm. Thus, the experimentally deduced values of βeff/Ʌ that reveal good accuracy through a comparison with those by the MCNP6.1 calculations with JENDL-4.0 are then taken as an index of Ʌ by introducing an acceptable assumption of βeff at near-critical configurations. From the results of experimental and numerical analyses, the experimental value of βeff/Ʌ is important for the validation of Ʌ since kinetics parameters are successfully obtained from the clean cores of near-critical configurations in the thermal neutron spectrum. | en |
dc.format.mimetype | application/pdf | - |
dc.language.iso | eng | - |
dc.publisher | Informa UK Limited | en |
dc.rights | This is an Accepted Manuscript of an article published by Taylor & Francis in Nuclear Science and Engineering on 7 July 2020, available online: http://www.tandfonline.com/10.1080/00295639.2020.1774230. | en |
dc.rights | The full-text file will be made open to the public on 7 July 2021 in accordance with publisher's 'Terms and Conditions for Self-Archiving. | en |
dc.rights | This is not the published version. Please cite only the published version. | en |
dc.rights | この論文は出版社版でありません。引用の際には出版社版をご確認ご利用ください。 | ja |
dc.subject | Neutron generation time | en |
dc.subject | highly enriched uranium core | en |
dc.subject | Kyoto University Critical Assembly | en |
dc.subject | near critical | en |
dc.subject | thermal neutron spectrum | en |
dc.title | Neutron Generation Time in Highly-Enriched Uranium Core at Kyoto University Critical Assembly | en |
dc.type | journal article | - |
dc.type.niitype | Journal Article | - |
dc.identifier.jtitle | Nuclear Science and Engineering | - |
dc.identifier.volume | 194 | - |
dc.identifier.issue | 12 | - |
dc.identifier.spage | 1116 | - |
dc.identifier.epage | 1127 | - |
dc.relation.doi | 10.1080/00295639.2020.1774230 | - |
dc.textversion | author | - |
dc.address | Kyoto University, Institute for Integrated Radiation andNuclear Science | en |
dc.address | Kyoto University, Institute for Integrated Radiation andNuclear Science | en |
dc.address | Nagoya University, Graduate School of Engineering | en |
dc.address | Hokkaido University, Graduate School of Engineering | en |
dc.address | University of Fukui, Research Institute of Nuclear Engineering | en |
dc.address | Nagoya University, Graduate School of Engineering | en |
dcterms.accessRights | open access | - |
datacite.date.available | 2021-07-07 | - |
出現コレクション: | 学術雑誌掲載論文等 |
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