TPF = max(Prad(fn=1)) /Prad(fn=1)

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Presentation transcript:

TPF = max(Prad(fn=1)) /Prad(fn=1) Radiation asymmetries for single and dual massive impurity gas injections to mitigate disruptions EX/P1-23 Radiation flash resulting from injection of massive amounts of impurities might result in local flash melting. Smaller toroidal peaking factors for radiated power have been for faster impurity gas delivery Dual injections can reduce the TPF further. Change of radiated power asymmetry could be successfully described by combining different impurity distribution caused by the two injectors. Small delays in the amount of a few ms causes the power asymmetry to reverse for finj ~0.2 TPF = max(Prad(fn=1)) /Prad(fn=1) Single injections Dual injections Stefan Jachmich, et al. | 27th IAEA FEC, Ahmedabad, India | October 2018 | Slide 1