Magnetic configuration effects on the edge heat flux in the limiter plasma on W7-X measured using the infrared camera and the combined probe

P DREWS; H NIEMANN; J COSFELD; Y GAO; J GEIGER; O GRULKE; M HENKEL; D HOSCHEN; K HOLLFELD; C KILLER; A KRAMER-FLECKEN; Y LIANG; S LIU; D NICOLAI; O NEUBAUER; M RACK; B SCHWEER; G SATHEESWARAN; L RUDISCHHAUSER; N SANDRI; N WANG; the W7-X Team

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Magnetic configuration effects on the edge heat flux in the limiter plasma on W7-X measured using the infrared camera and the combined probe

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Controlling the heat and particle fluxes in the plasma edge and on the plasma facing components is important for the safe and effective operation of every magnetically confined fusion device.This was attempted on Wendelstein 7-X in the first operational campaign,with the modification of the magnetic configuration by use of the trim coils and tuning the field coil currents,commonly named iota scan.Ideally,the heat loads on the five limiters are equal.However,they differ between each limiter and are non-uniform,due to the(relatively small) error fields caused by the misalignment of components.It is therefore necessary to study the influence of the configuration changes on the transport of heat and particles in the plasma edge caused by the application of error fields and the change of the magnetic configuration.In this paper the upstream measurements conducted with the combined probe are compared to the downstream measurements with the DIAS infrared camera on the limiter.

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《等离子体科学和技术：英文版》 |2018年第5期|18-22|共5页
作者
P DREWS; H NIEMANN; J COSFELD; Y GAO; J GEIGER; O GRULKE; M HENKEL; D HOSCHEN; K HOLLFELD; C KILLER; A KRAMER-FLECKEN; Y LIANG; S LIU; D NICOLAI; O NEUBAUER; M RACK; B SCHWEER; G SATHEESWARAN; L RUDISCHHAUSER; N SANDRI; N WANG; the W7-X Team;
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作者单位

Forschungszentrum Jtilich GmbH;

Institut fur Energie-und Klimaforschung Plasmaphysik;

Partner of the Trilateral Euregio Cluster(TEC);

D-52425 Julich;

Germany;

Max-Planck-Institut fur Plasmaphysik;

Greifswald;

Germany;

Forschungszentrum Jtilich GmbH;

Central Institute for Engineering;

Electronics and Analytics/Engineering and Technology(ZEA-1);

D-52425 Julich;

Germany;

JARA-HPC;

Germany;

School of Electrical and Electronic Engineering;

Huazhong University of Science and Technology;

Wuhan 430074;

People's Republic of China;

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原文格式 PDF
正文语种 chi
中图分类 V231.16;O484.43;
关键词
热流动; 配置; 磁性; 血浆; 照相机; 红外线; 测量; 探查;

Magnetic configuration effects on the edge heat flux in the limiter plasma on W7-X measured using the infrared camera and the combined probe

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