| 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
Endo, Tomohiro
Yamamoto, Akio
Takeda, Satoshi
Koike, Hiroki
Yamaji, Kazuya
Sato, Daisuke
|
| 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 |
|
|
内容記述タイプ |
Abstract |
|
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 |
|
|
内容記述タイプ |
Other |
|
内容記述 |
Published online: 25 Jan 2021 |
|
言語 |
en |
| 出版者 |
|
|
出版者 |
Taylor & Francis |
|
言語 |
en |
| 言語 |
|
|
言語 |
eng |
| 資源タイプ |
|
|
資源タイプ識別子 |
http://purl.org/coar/resource_type/c_6501 |
|
資源タイプ |
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 |
NSE_195_7_pp694-716.pdf (1.9 MB)
