Research on High Pressure Gas Injection As a Method of Fueling, Disruption Mitigation and Plasma Termination for Future Tokamak Reactors

作     者：宋云涛 S.Nishio 

作者机构：Institute of Plasma Physics Chinese Academy of Sciences Department of Fusion Plasma Research of Japan Atomic Energy Research InstituteNaka-machi Naka-gun Ibaraki-ken 311-0193 Japan 

出 版 物：《Plasma Science and Technology》 (等离子体科学和技术（英文版）)

年 卷 期：2005年第7卷第5期

页      面：3057-3061页

核心收录：

学科分类：08[工学] 082701[工学-核能科学与工程] 0827[工学-核科学与技术] 

基　　金：The project supported by the Nuclear Researchers Exchange Program of Japan Society for the Promotion of Science 

主　　题：tokamak reactor disruption mitigation fueling gas injection 

摘      要：High-pressure gas injection has proved to be an effective disruption mitigation tech- nique in DIII-D tokamak experiments. If the method can be applied in future tokamak reactors not only for disruption mitigation but also for plasma termination and fueling, it will have an attractive advantage over the pellet and liquid injection from the viewpoint of economy and engineering design. In order to investigate the feasibility of this option, a study has been carried out with relevant parameters for conveying tubes of different geometrical sizes and for different gases. These parameters include pressure drop, lagger time after the valve＇s opening, gas diffusion in an ultra-high vacuum condition, and particle number contour.