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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

Transport consistent diffusion coefficient for CMFD acceleration and comparison of convergence properties

http://hdl.handle.net/2237/00030686
d7f03713-33d3-49b8-a160-b00686c1e021
名前 / ファイル ライセンス アクション
JNST56-8-716.pdf JNST56-8-716 (1.4 MB)
Item type 学術雑誌論文 / Journal Article(1)
公開日 2019-09-17
タイトル
タイトル Transport consistent diffusion coefficient for CMFD acceleration and comparison of convergence properties
著者 Yamamoto, Akio

× Yamamoto, Akio

WEKO 93461

Yamamoto, Akio

Search repository
Endo, Tomohiro

× Endo, Tomohiro

WEKO 93462

Endo, Tomohiro

Search repository
Giho, Akinori

× Giho, Akinori

WEKO 93463

Giho, Akinori

Search repository
権利
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 21/05/2019, available online: http://www.tandfonline.com/10.1080/00223131.2019.1618405.
キーワード
主題Scheme Other
主題 CMFD acceleration
キーワード
主題Scheme Other
主題 MOC
キーワード
主題Scheme Other
主題 convergence
キーワード
主題Scheme Other
主題 even-parity transport equation
キーワード
主題Scheme Other
主題 linearized Fourier analysis
キーワード
主題Scheme Other
主題 C5G7 benchmark problem
抄録
内容記述 A diffusion coefficient for the coarse mesh finite difference (CMFD) acceleration is derived from the semi-analytic solution of one-group, one-dimensional, even-parity transport equation. The derived diffusion coefficient, i.e., the transport consistent diffusion coefficient (TCD), depends on the optical length of a mesh and shows similar behavior with the artificial grid diffusion (AGD) and the effective diffusion (EffD) coefficients for an optically thick mesh. Convergence properties of typical diffusion coefficients are evaluated using the linearized Fourier analysis. Analyses of the C5G7 3D benchmark problems with and without voided region are carried out to compare the convergence properties. The number of transport sweeps to reach convergence using TCD is smaller than that using EffD or AGD.
内容記述タイプ Abstract
内容記述
内容記述 Published online: 21 May 2019 ファイル公開:2020/05/21
内容記述タイプ Other
出版者
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
DOI
関連識別子
識別子タイプ DOI
関連識別子 https://doi.org/10.1080/00223131.2019.1618405
ISSN(print)
収録物識別子タイプ ISSN
収録物識別子 0022-3131
書誌情報 Journal of Nuclear Science and Technology

巻 56, 号 8, p. 716-723, 発行日 2019-05-21
著者版フラグ
値 author
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