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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

A New Resonance Calculation Method Using Energy Expansion Based on a Reduced Order Model

http://hdl.handle.net/2237/0002001541
http://hdl.handle.net/2237/0002001541
178a2b26-645e-4e38-9de3-a14a85e5b018
名前 / ファイル ライセンス アクション
NSE_195_7_pp694-716.pdf NSE_195_7_pp694-716.pdf (1.9 MB)
Item type itemtype_ver1(1)
公開日 2021-10-18
タイトル
タイトル A New Resonance Calculation Method Using Energy Expansion Based on a Reduced Order Model
言語 en
著者 Kondo, Ryoichi

× Kondo, Ryoichi

en Kondo, Ryoichi

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Endo, Tomohiro

× Endo, Tomohiro

en Endo, Tomohiro

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Yamamoto, Akio

× Yamamoto, Akio

en Yamamoto, Akio

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Takeda, Satoshi

× Takeda, Satoshi

en Takeda, Satoshi

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Koike, Hiroki

× Koike, Hiroki

en Koike, Hiroki

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Yamaji, Kazuya

× Yamaji, Kazuya

en Yamaji, Kazuya

Search repository
Sato, Daisuke

× Sato, Daisuke

en Sato, Daisuke

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 Nuclear Science and Engineering on 25/01/2021, available online: http://www.tandfonline.com/10.1080/00295639.2020.1863066.
キーワード
主題Scheme Other
主題 Resonance calculation
キーワード
主題Scheme Other
主題 effective cross section
キーワード
主題Scheme Other
主題 ultra-fine-group spectrum
キーワード
主題Scheme Other
主題 reduced order model
キーワード
主題Scheme Other
主題 singular value decomposition
内容記述
内容記述 A Resonance calculation using energy Spectrum Expansion (RSE) method is newly proposed in this paper. In this method, ultra-fine-group (UFG) spectra appearing in a resonance calculation are expanded by orthogonal bases on energy, which are extracted from the UFG spectra obtained in homogeneous geometry with various background cross sections using singular value decomposition and low-rank approximation. Namely, this method is based on the concept of a reduced order model. A neutron transport equation for flux moments (expansion coefficients) similar to the conventional one is derived and is numerically solved. This method applies to two benchmark problems in which a resonance interference effect and spatial self-shielding effect can appear. The results indicate that this method accurately predicts the reference effective cross sections and reaction rates obtained from direct UFG calculation in heterogeneous geometry.
言語 en
内容記述タイプ Abstract
内容記述
内容記述 Published online: 25 Jan 2021
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
関連情報
関連タイプ isVersionOf
識別子タイプ DOI
関連識別子 https://doi.org/10.1080/00295639.2020.1863066
収録物識別子
収録物識別子タイプ PISSN
収録物識別子 0029-5639
書誌情報 en : Nuclear Science and Engineering

巻 195, 号 7, p. 694-716, 発行日 2021
ファイル公開日
日付 2022-01-25
日付タイプ Available
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