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Control Issues Related to Start-Up of Tokamaks

G. L. Jackson, D. A. Humphreys, A. W. Hyatt, J. A. Leuer

Fusion Science and Technology / Volume 59 / Number 3 / April 2011 / Pages 621-622

Appendix A / Fourth ITER International Summer School (IISS2010) / Extended Abstracts

Developing robust and reproducible start-up scenarios is essential for all tokamaks and especially for burning plasma devices. A tokamak start-up sequence is complex and calls on control of different types of plasmas, from nearly collisionless low-temperature electrons in a large neutral background to a more conventional diverted high-temperature fully ionized plasma during the ramp-up phase. [first paragraph from extended abstract]

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