Development of an improved quasi-static transient analysis code based on three-dimensional Sn nodal transport theory for fast reactor

Material type: 文書・図像類

Author: Takeda, Satoshiほか

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Publication date: 2020

Material Format: Digital

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Note (General)：: A transient analysis code based on three-dimensional Sn nodal transport theory was developed for accurate transient analysis of the fast reactor. The ...

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Material Type: 文書・図像類
Title: Development of an improved quasi-static transient analysis code based on three-dimensional Sn nodal transport theory for fast reactor
Author/Editor: Takeda, Satoshi
Takeda, Toshikazu
Fuchita, Sho
Kitada, Takanori
Author Heading: Takeda, Satoshi
Takeda, Toshikazu
Fuchita, Sho
Kitada, Takanori
Publication Date: 2020
Publication Date (W3CDTF): 2020
Alternative Title: Development of an improved quasi-static transient analysis code based on three-dimensional Sn nodal transport theory for fast reactor
Periodical title: Annals of Nuclear Energy
No. or year of volume/issue: 143
Volume: 143
Pages: 107499-107499
ISSN (Periodical Title): ISSN : 0306-4549
Text Language Code: eng
Subject Heading: Improved quasi-static approximation
Three-dimensional code
Sn nodal transport theory
Fast reactor
Target Audience: 一般
Note (General): A transient analysis code based on three-dimensional Sn nodal transport theory was developed for accurate transient analysis of the fast reactor. The time-dependent flux is factorized into the amplitude function and the shape function by the improved quasi-static approximation. The direct extension of the Sn nodal transport theory leads to the angular-dependent source term and requires much computer memory. To avoid direct treatment of angular-dependent source term, a new treatment was derived for the source term. The results of steady-state calculations were compared with that obtained by NSHEX for the verification of transport solver. For the verification of reactivity calculation based on perturbation theory, the reactivity was compared with that obtained from the multiplication factor by using the adiabatic approximation. The result with Sn transport calculation was compared with that with the diffusion calculation in Monju core. The results show the discrepancy of reactivity mainly comes from the absorption term.
Source: https://u-fukui.repo.nii.ac.jp/?action=repository_action_common_download&item_id=28699&item_no=1&attribute_id=22&file_no=1
https://u-fukui.repo.nii.ac.jp/?action=repository_action_common_download&item_id=28699&item_no=1&attribute_id=22&file_no=1
Access Restrictions: 限定公開
Related Material (DOI): 10.1016/j.anucene.2020.107499
Data Provider (Database): 国立情報学研究所 : 学術機関リポジトリデータベース（IRDB）（機関リポジトリ）
https://irdb.nii.ac.jp
Original Data Provider (Database): 福井大学 : 福井大学学術機関リポジトリ