Instrumented fast valve for the ITER DMS support laboratory test bench

被引：5

作者：

Refy, D. I. ^{[1
]}

Zoletnik, S. ^{[1
]}

Walcz, E. ^{[1
]}

Nagy, D. ^{[1
]}

Szepesi, T. ^{[1
]}

Vecsei, M. ^{[1
]}

Oravecz, D. ^{[1
]}

Katona, I. ^{[1
]}

Hegedus, S. ^{[1
]}

Vavrik, M. ^{[1
,2
]}

Jachmich, S. ^{[3
]}

Kruezi, U. ^{[3
]}

机构：

[1] Ctr Energy Res, Budapest, Hungary

[2] Budapest Univ Technol & Econ, Budapest, Hungary

[3] ITER Org, St Paul Les Durance, France

来源：

FUSION ENGINEERING AND DESIGN | 2023年 / 194卷

关键词：

ITER Disruption Mitigation System; Shattered Pellet Injection; High pressure fast valve; Eddy current actuator;

D O I：

10.1016/j.fusengdes.2023.113893

中图分类号：

TL [原子能技术]; O571 [原子核物理学];

学科分类号：

0827 ; 082701 ;

摘要：

The ITER Disruption Mitigation System (DMS) Support Laboratory at the Centre for Energy Research, Budapest, Hungary aims at the characterization of the de-sublimation, acceleration and shattering of the cryogenic pellets, which will be fired upon request into the ITER plasma to mitigate the detrimental consequences of disruptions. The test bench includes a fast-acting valve for pellet acceleration, which releases high-pressure gas on a millisecond time scale. The valve is a new development since no valve on the market existed which would have met the requirements. The electromechanical modelling of the valve actuator has been validated against a laboratory experiment, the final system was built and thoroughly tested on a test bench to characterize the valve properties, and to demonstrate that the system fulfils the requirements.

引用

页数：6

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