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자료유형
학술저널
저자정보
저널정보
한국원자력학회 Nuclear Engineering and Technology Nuclear Engineering and Technology 제51권 제3호
발행연도
2019.1
수록면
908 - 914 (7page)

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Fusion power shutdown system (FPSS) is a safety system to stop plasma in case of accidents or incidents. The gas injection system for the FPSS presented in this work is designed to research the flow developmentin a closed system. As the efficiency of the system is a crucial property, plenty of experiments areexecuted to get optimum parameters. In this system, the flow is driven by the pressure difference betweena gas storage tank and a vacuum vessel with a source pressure. The idea is based on a constantvolume system without extra source gases to guarantee rapid response and high throughput. Amongthem, valves and gas species are studied because their properties could influence the velocity of the fluidfield. Then source pressures and volumes are emphasized to investigate the volume flow rate of theinjection. The source pressure has a considerable effect on the injected volume. From the data, properparameters are extracted to achieve the best performance of the FPSS. Finally, experimental results areused as a quantitative benchmark for simulations which can add our understanding of the inner gas flowin the pipeline. In generally, there is a good consistency and the obtained correlations will be applied infurther study and design for the FPSS

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