Application of Galerkin finite element method to subchannel analysis, (II) Unsteady-state two-phase flow.:Unsteady-State Two-Phase Flow
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概要
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Up to now, the finite difference method has been used in the two-phase flow thermal-hydraulic analysis of the reactor core and also in analyses of other thermal apparatuses. As a replacement for this method, the Galerkin finite element method was used in the present study for the purpose of understanding the characteristics of the method and its application to the subchannel analysis. This method is expected to give more accurate solutions and better calculation efficiency. Moreover, it can be applied to various problems including multi-dimensional thermal-hydraulic analysis. The present paper treats, as an example, unsteady-state two-phase flow analysis, and compares the accuracy of calculation between the Galerkin finite element method and the usual finite difference method.
- 一般社団法人 日本原子力学会の論文
著者
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Ishiguro Ryoji
Department Of Nuclear Engineering Faculty Of Engineering Hokkaido University
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ARASEKI Hideo
Department of Nuclear Engineering, Faculty of Engineering, Hokkaido University
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SUEMURA Takayuki
Department of Nuclear Engineering, Faculty of Engineering, Hokkaido University
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