Experimental confirmation of the linear rela-tion between plasma current and external vertical magnetic field in EXL-50 spherical torus energetic electron plasmas

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外文摘要：A three-fluid equilibrium plasma with bulk plasma and energetic electrons has been observed on the Xuanlong-50(EXL-50)spherical torus,where the energetic electrons play a crucial role in sustaining the plasma current and pressure.In this study,the equilibrium of a multi-fluid plasma was investigated by analyzing the relationship between the external vertical magnetic field(Bv),plasma current(Ip),the poloidal ratio(βp)and the Shafranov formula.Remarkably,our research demonstrates some validity of the Shafranov formula in the presence of multi-fluid plasma in EXL-50 spherical torus.This finding holds significant importance for future reactors as it allows for differentiation between alpha particles and background plasma.The study of multi-fluid plasma provides a significant reference value for the equilibrium reconstruction of burning plasma involving alpha particles.

外文关键词：

plasma equilibriumShafranov formulamulti-fluid plasma

作者：

董力立、王明远、刘文军、石跃江、董家齐、郭栋、孙恬恬、顾翔、宋显明、袁保山、彭元凯、ENN Team

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作者单位：

Hebei Key Laboratory of Compact Fusion,Langfang 065001,People's Republic of China

ENN Science and Technology Development Co.Ltd.,Langfang 065001,People's Republic of China

School of Mathematics and Physics,Anqing Normal University,Anqing 246133,People's Republic of China

出版年：

2024

DOI：