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核聚变与等离子体物理 ›› 2022, Vol. 42 ›› Issue (4): 426-432.DOI: 10.16568/j.0254-6086.202204011

• 核聚变工程 • 上一篇    下一篇

EAST中加热功率对弹丸注入加料效率的影响 

李孟曼妮 1, 2,侯吉磊 1 ,左桂忠 1 ,陈 跃 1 ,李成龙 1, 2, 刘建文 1, 2,叶凯萱 1, 2,黄 佳 1, 2,胡建生*1    

  1. (1. 中国科学院等离子体物理研究所,合肥 230031;2. 中国科学技术大学,合肥 230026) 
  • 收稿日期:2021-01-04 修回日期:2022-06-08 出版日期:2022-12-15 发布日期:2022-12-13
  • 基金资助:
    国家重点研发计划项目(2017YFA0402500,2017YFE0301100);国家自然科学基金(11625524, 11775261, 11905148, 11905254,11905138);中国科学院合肥大科学中心高端用户培育基金(2020HSC-UE010);合肥物质研究院院长基 金青年火花项目(YZJJ2019QN9)

Impact of heating power on pellet fueling efficiency on EAST

LI-MENG Man-ni1, 2, HOU Ji-lei1 , ZUO Gui-zhong1 , CHEN Yue1 , LI Cheng-long1, 2, LIU Jian-wen1, 2, YE Kai-xuan1, 2, HUANG Jia1, 2, HU Jian-sheng1   

  1. (1. Institute of Plasma Physics, Chinese Academy of Sciences, Hefei 230031; 2. University of Science and Technology of China, Hefei 230026) 
  • Received:2021-01-04 Revised:2022-06-08 Online:2022-12-15 Published:2022-12-13

摘要: 介绍了 EAST 装置气动加速氘弹丸注入加料系统和不同加热功率条件下弹丸加料效率的实验结果。 当等离子体加热功率从 1MW 逐渐增加到 10MW 时,弹丸加料效率从 60%降低到 10%。加热功率的升高导致弹 丸粒子的沉积深度 λp/a 降低达 50%左右,从而导致大量的弹丸粒子沉积在等离子体边界。

关键词: EAST 装置, 弹丸注入, 加料效率

Abstract: This paper introduces the system of pneumatic accelerated deuterium pellet injection and presents the experimental results of fueling efficiency performed by this system on EAST. With the increase of additional heating power from 1MW to 10MW, the fueling efficiency of pellet gradually decreases from 60% to 10% and pellet particles mainly deposit at the plasma edge region due to about 50% reduction of the penetration depth of pellet. 

Key words:  EAST, Pellet injection, Fueling efficiency 

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