Numerical Analysis on Air Ingress Behavior in GTHTR300-Cogeneration System
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概要
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The objective of this study is to clarify safety characteristics of a High Temperature Gas-Cooled Reactor (HTGR) for the pipe rupture accident. Japan Atomic Energy Agency (JAEA) has been developing the analytical code for the safety characteristics of the HTGR and carrying out design study of the gas turbine high temperature reactor of 300MWe nominal-capacity for hydrogen production, the GTHTR300C (Gas Turbine High Temperature Reactor 300 for Cogeneration). A numerical analysis of heat and mass transfer fluid flow with multi-component gas mixture has been performed to obtain the variation of the density of the gas mixture, and the onset time of natural circulation of air. From the results obtained in this analysis, it was found that the duration time of the air ingress by molecular diffusion would increase due to the existence of the recuperator in the GTHTR300C system.
著者
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KUNITOMI Kazuhiko
Japan Atomic Energy Agency
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TAKEDA Tetsuaki
Japan Atomic Energy Research Institute
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YAN Xing
Japan Atomic Energy Agency
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TAKEDA Tetsuaki
Japan Atomic Energy Agency
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