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  1. B200 工学部/工学研究科
  2. B200a 雑誌掲載論文
  3. 学術雑誌

Subcriticality measurement using time-domain decomposition-based integral method for simultaneous reactivity and source changes

http://hdl.handle.net/2237/00032071
http://hdl.handle.net/2237/00032071
74684cbc-46fc-4f22-8b88-55e694da5858
名前 / ファイル ライセンス アクション
JNST57(5)_pp607-616_2020.pdf JNST57(5)_pp607-616_2020 (1.4 MB)
Item type 学術雑誌論文 / Journal Article(1)
公開日 2020-04-22
タイトル
タイトル Subcriticality measurement using time-domain decomposition-based integral method for simultaneous reactivity and source changes
言語 en
著者 Endo, Tomohiro

× Endo, Tomohiro

WEKO 98309

en Endo, Tomohiro

Search repository
Nonaka, Asahi

× Nonaka, Asahi

WEKO 98310

en Nonaka, Asahi

Search repository
Imai, Sho

× Imai, Sho

WEKO 98311

en Imai, Sho

Search repository
Yamamoto, Akio

× Yamamoto, Akio

WEKO 98312

en Yamamoto, Akio

Search repository
Sakon, Atsushi

× Sakon, Atsushi

WEKO 98313

en Sakon, Atsushi

Search repository
Hashimoto, Kengo

× Hashimoto, Kengo

WEKO 98314

en Hashimoto, Kengo

Search repository
アクセス権
アクセス権 open access
アクセス権URI http://purl.org/coar/access_right/c_abf2
権利
言語 en
権利情報 This is an Accepted Manuscript of an article published by Taylor & Francis Group in Journal of Nuclear Science and Technology on 11/01/2020, available online: http://www.tandfonline.com/10.1080/00223131.2019.1706658.
キーワード
主題Scheme Other
主題 UTR-KINKI
キーワード
主題Scheme Other
主題 subcriticality
キーワード
主題Scheme Other
主題 transient measurement
キーワード
主題Scheme Other
主題 control rod
キーワード
主題Scheme Other
主題 neutron source
キーワード
主題Scheme Other
主題 point kinetics theory
キーワード
主題Scheme Other
主題 integral method
キーワード
主題Scheme Other
主題 random sampling method
抄録
内容記述 To estimate the subcriticality in dollar units for an arbitrary state-change, the time-domain decomposition-based integral method (TDDI) is proposed using the point kinetics theory based on the fundamental mode approximation. In a general transient subcritical system, reactivity, neutron source intensity, and point kinetics parameters can vary simultaneously. Furthermore, the state-change may not necessarily be a stepwise change. For such a transient, the TDDI method can estimate the subcriticality after the transient using only the time variation of the neutron count rate. Therefore, the proposed method is useful to approximately estimate the subcriticality in a system where a detailed core configuration is unknown. To investigate the applicability of the TDDI method, transient experiments with simultaneous reactivity and source changes or to two successive safety rods dropping were performed at the Kindai University Training and Research Reactor (UTR-KINKI). By comparing with reference values using excess reactivity and control rod worth, it was validated that the subcriticality values obtained by the TDDI method better agree with the reference values than the previous integral method.
言語 en
内容記述タイプ Abstract
内容記述
内容記述 Published online: 11 Jan 2020 ファイル公開:2021/01/11
言語 en
内容記述タイプ Other
出版者
言語 en
出版者 Taylor & Francis
言語
言語 eng
資源タイプ
資源タイプresource http://purl.org/coar/resource_type/c_6501
タイプ journal article
出版タイプ
出版タイプ AM
出版タイプResource http://purl.org/coar/version/c_ab4af688f83e57aa
DOI
関連タイプ isVersionOf
識別子タイプ DOI
関連識別子 https://doi.org/10.1080/00223131.2019.1706658
ISSN(print)
収録物識別子タイプ PISSN
収録物識別子 0022-3131
書誌情報 en : Journal of Nuclear Science and Technology

巻 57, 号 5, p. 607-616, 発行日 2020-01
著者版フラグ
値 author
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