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Conference on Nuclear Training and Education: A Biennial International Forum (CONTE 2023)
February 6–9, 2023
Amelia Island, FL|Omni Amelia Island Resort
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Fusion Science and Technology
YMG launches volunteer incentive program
The Young Members Group works to encourage and enable all young professional members to be actively involved in the efforts and endeavors of the Society at all levels (professional divisions, ANS governance, local sections, etc.) as they transition from the role of a student to that of a professional. With this mission statement in mind, the YMG decided to gamify member engagement to encourage YMG member participation in Society events.
V. Bykov, J. Zhu, A. Carls, J. Fellinger, P. van Eeten, H.-S. Bosch, L. Wegener
Fusion Science and Technology | Volume 72 | Number 4 | November 2017 | Pages 546-558
Technical Paper | doi.org/10.1080/15361055.2017.1352427
Articles are hosted by Taylor and Francis Online.
The largest modular stellarator Wendelstein 7-X (W7-X) has successfully passed commissioning and first phase of operation in Greifswald, Germany. The limiter configurations of plasma with 2.5 T of magnetic induction on the plasma axis produce already considerable loads (MN) in the W7-X systems. The sophisticated W7-X superconducting magnet system with its non-linear support system is instrumented with an extensive set of mechanical and temperature sensors. Measurement results showed that magnet system behavior is in good correspondence with original predictions from numerical models. However, several areas require modeling improvements and/or proper adjustment of parameters to reflect “as-built” situation. Moreover, high temperature dependence of strain gauge signal accuracy in the range below 10 K requires its compensation in order to avoid fault alarms during monitoring. The work is considered as benchmarking of numerical models and as a preparation for upcoming more demanding phases with longer plasma pulses to guarantee safe and reliable W7-X operation with different divertor configurations. Both results of W7-X measurements and implemented improvements as well as lessons learned so far are also given.