Thomas Rummel
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View article: Thermo-Hydraulic Calculations on W7-X Coils for Updated Quench Detection Parameters
Thermo-Hydraulic Calculations on W7-X Coils for Updated Quench Detection Parameters Open
The Wendelstein 7-X stellarator (W7-X), one of the largest stellarator fusion experiments, is in operation since 2015 at the Max Planck Institute for Plasma Physics (IPP) in Greifswald. W7-X has reached the final status in 2022 with active…
View article: Wendelstein 7-X Magnets: Experiences Gained During the First Years of Operation
Wendelstein 7-X Magnets: Experiences Gained During the First Years of Operation Open
The Wendelstein 7-X (W7-X) experimental fusion device went into operation in 2015 after intensive commissioning. Meanwhile, the third plasma operation phase started and ran until October 2018. W7-X...
View article: Study of the Hot-Spot Temperature During Quench in the Nonplanar Coils of W7-X
Study of the Hot-Spot Temperature During Quench in the Nonplanar Coils of W7-X Open
The quench protection system of the nonplanar coils of the Wendelstein 7-X stellarator was laid out over 15 years ago. At that time, the assessment of the hot-spot temperature by a basic adiabatic model was done using design values for mat…
View article: Final integration, commissioning and start of the Wendelstein 7-X stellarator operation
Final integration, commissioning and start of the Wendelstein 7-X stellarator operation Open
The main objective of the Wendelstein 7-X (W7-X) stellarator is to demonstrate the integrated reactor potential of the optimized stellarator line. An important element of this mission is the achievement of high heating-power and high confi…
View article: Refrigerator operation during commissioning and first plasma operations of Wendelstein 7-X
Refrigerator operation during commissioning and first plasma operations of Wendelstein 7-X Open
In February 2015 began the cool-down of about 450 tons cold mass of Wendelstein 7-X i.e. 70 superconducting coils, 14 currents leads, massive support structure and the thermal shield, enclosed within a vacuum vessel of about 16 m outer dia…
View article: First operational phase of the superconducting magnet system of Wendelstein 7-X
First operational phase of the superconducting magnet system of Wendelstein 7-X Open
The Wendelstein 7-X stellarator (W7-X), one of the largest stellarator fusion experiments, has accomplished successfully the first operational phase at the Max Planck Institute for Plasma Physics in Greifswald, Germany. To confine 30 m3 pl…
View article: Commissioning Results of the Superconducting Magnet System of Wendelstein 7-X
Commissioning Results of the Superconducting Magnet System of Wendelstein 7-X Open
The superconducting fusion device Wendelstein 7-X went into operation in December 2015. One of the most important steps was the commissioning of the superconducting magnet system. It consists of 70 superconducting coils, 14 high temperatur…
View article: Wendelstein 7-X–Commissioning of the Superconducting Magnet System
Wendelstein 7-X–Commissioning of the Superconducting Magnet System Open
The Wendelstein 7-X stellarator (W7-X), one of the largest stellarator fusion experiments, is presently being taken into operation at the Max Planck Institute for Plasma Physics in Greifswald. The main objective of the experiment is to pro…