ECW Pre-ionization Startup Device

Runze, Chen; Liu, Wenbin; Qian, Jinping; Zhang, Bin; Sun, Hongjuan; Luo, Zhengping; Yu, Yaowei; Gao, Wei; Li, Miaohui; Xu, Handong; Wang, Mao; Zuo, Guizhong; Zhang, Ling; Zhou, Ruijie; Jia T.Q.; Li, Pan; Wei, Wang; He Y.F.; Wang, Z. H.; Ye, Tao; Yunchan, HU; Zhongfang, Guan; Wenyi, Lu; Yutong, Guo; Gong, Xiangzu Zhu

ECW Pre-ionization Startup Device

Low-field breakdown robust

This device uses electron cyclotron wave pre-ionization and assisted startup to achieve reliable breakdown at very low toroidal electric fields, while suppressing runaway electrons and tolerating high impurity levels for enhanced safety.

Runze, Chen · Liu, Wenbin · Qian, Jinping · Zhang, Bin · Sun, Hongjuan · Luo, Zhengping · Yu, Yaowei · Gao, Wei · Li, Miaohui · Xu, Handong · Wang, Mao · Zuo, Guizhong · Zhang, Ling · Zhou, Ruijie · Jia T.Q. · Li, Pan · Wei, Wang · He Y.F. · Wang, Z. H. · Ye, Tao · Yunchan, HU · Zhongfang, Guan · Wenyi, Lu · Yutong, Guo · Gong, Xiangzu Zhu

Nuclear Fusion 2024

Specifications

toroidal electric field: {'zh': '', 'en': '<0.3'} V/m
击穿功率阈值: {'zh': '约0.4', 'en': ''} MW

Advantages

Breakdown parameter domain significantly extended to higher prefill gas pressure

ECW assistance averts generation of runaway electrons