Experimental investigation on high heat flux plasma parameters of HIT-PSI device in argon discharges  

作　　者：Tao HUANG Qiuyue NIE Cheng CHEN Lin NIE Wei ZHAO Tao JIANG Yang LIU Xu ZHAO Feng LI Xiaogang WANG 黄韬;聂秋月;陈晟;聂林;赵伟;姜涛;刘洋;赵旭;李丰;王晓钢(School of Physics,Harbin Institute of Technology,Harbin 150001,People’s Republic of China;School of Electrical Engineering and Automation,Harbin Institute of Technology,Harbin 150001,People’s Republic of China;Laboratory for Space Environment and Physical Science,Harbin Institute of Technology,Harbin 150001,People’s Republic of China;Southwestern Institute of Physics,Chengdu 610041,People’s Republic of China)

机构地区：[1]School of Physics,Harbin Institute of Technology,Harbin 150001,People’s Republic of China [2]School of Electrical Engineering and Automation,Harbin Institute of Technology,Harbin 150001,People’s Republic of China [3]Laboratory for Space Environment and Physical Science,Harbin Institute of Technology,Harbin 150001,People’s Republic of China [4]Southwestern Institute of Physics,Chengdu 610041,People’s Republic of China

出　　处：《Plasma Science and Technology》2025年第1期118-127,共10页等离子体科学和技术(英文版)

基　　金：supported by National Natural Science Foundation of China(No.12105067);the ITER Organization and China Domestic Agency for the support of this work(No.ITER5.5.P01.CN.05)。

摘　　要：Researches on plasma-facing materials/components(PFMs/PFCs)have become a focus in magnetic confinement fusion studies,particularly for advanced tokamak operation scenarios.Similarly,spacecraft surface materials must maintain stable performance under relatively high temperatures and other harsh plasma conditions,making studies of their thermal and ablation resistance critical.Recently,a low-cost,low-energy-storage for superconducting magnets,and compact linear device,HIT-PSI,has been designed and constructed at Harbin Institute of Technology(HIT)to investigate the interaction between stable high heat flux plasma and PFMs/PFCs in scrape-off-layer(SOL)and divertor regions,as well as spacecraft surface materials.The parameters of the argon plasma beam of HIT-PSI are diagnosed using a water-cooled planar Langmuir probe and emission spectroscopy.As magnetic field rises to 2 T,the argon plasma beam generated by a cascaded arc source achieves high density exceeding 1.2×10^(21)m^(-3)at a distance of 25 cm from the source with electron temperature surpassing 4 eV,where the particle flux reaches 10^(24)m^(-2)s^(-1),and the heat flux loaded on the graphite target measured by infrared camera reaches 4 MW/m^(2).Combined with probe and emission spectroscopy data,the transport characteristics of the argon plasma beam are analyzed.

关 键 词：linear plasma device plasma-material interaction high heat flux high particle flux 

分 类 号：TL631.14[核科学技术—核技术及应用]