Effect of Polynomial Expansion Order of Intranode Flux Treatment in Nodal S_N Transport Calculation Code NSHEX for Large-Size Fast Power Reactor Core Analysis
スポンサーリンク
概要
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The nodal discrete ordinates (SN) transport calculation code for three-dimensional hexagonal geometry NSHEX treats intranode flux distribution using a polynomial series and considers the angular dependence of flux by the SN method. For the improvement of calculation accuracy of NSHEX for practical use to large-size fast reactor plants, the maximum order of the polynomial series is extended from two to six. In order to check the effect of the polynomial expansion order, NSHEX is applied to the intermediate-size fast power reactor core “Monju” and the large-size one “Super Phenix,” including various control rod insertion conditions. From the application, it is found that extension of the polynomial expansion order is effective especially for the large-size core “Super Phenix” under the control-rod-inserted condition.
- 2011-03-01
著者
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KUGO Teruhiko
Nuclear Science and Engineering Directorate, Japan Atomic Energy Agency
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Kugo Teruhiko
Nuclear Science And Engineering Directorate Japan Atomic Energy Agency
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SUGINO Kazuteru
Nuclear Science and Engineering Directorate, Japan Atomic Energy Agency
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Kugo Teruhiko
Nuclear Sci. And Engineering Directorate Japan Atomic Energy Agency
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Sugino Kazuteru
Nuclear Science And Engineering Directorate Japan Atomic Energy Agency
関連論文
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- Effect of Polynomial Expansion Order of Intranode Flux Treatment in Nodal S_N Transport Calculation Code NSHEX for Large-Size Fast Power Reactor Core Analysis