Mechanical Monitoring Issues in Preparation to Next Step of Wendelstein 7-X Operation

被引：5

作者：

Bykov, Victor ^{[1
]}

Carls, Andre ^{[1
]}

Zhu, Jiawu ^{[1
]}

van Eeten, Paul ^{[1
]}

Wegener, Lutz ^{[1
]}

Bosch, Hans-Stephan ^{[1
]}

机构：

[1] EURATOM, Max Planck Inst Plasma Phys, D-17491 Greifswald, Germany

来源：

IEEE TRANSACTIONS ON PLASMA SCIENCE | 2018年 / 46卷 / 05期

关键词：

Numerical finite-element (FE) analysis; stellarator; structural monitoring; Wendelstein 7-X (W7-X); MAGNET SYSTEM;

D O I：

10.1109/TPS.2017.2786744

中图分类号：

O35 [流体力学]; O53 [等离子体物理学];

学科分类号：

070204 ; 080103 ; 080704 ;

摘要：

The largest modular stellarator Wendelstein 7-X (W7-X) has successfully passed the first phase of operation in Greifswald, Germany. The sophisticated W7-X superconducting magnet system (MS) with its nonlinear support system has been carefully monitored using an extensive set of mechanical and temperature sensors. This paper focuses on detailed consideration of cyclic MS behavior during operation with limiter configurations of plasma. Measurement results are carefully compared with predictions from updated numerical models and critical issues are highlighted. As a result, the structural monitoring tool is extended to follow enhanced requirements and expectations. This paper is a preparation for upcoming more demanding phases with longer plasma pulses to guarantee safe and reliable W7-X operation with different divertor and scraper element configurations. The procedure to establish required sensor configurations, and to analyze and release new plasma regimes being compatible with W7-X component design values is also described.

引用

页码：1086 / 1094

页数：9

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