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Daily operation report Dec.17-18, 2002

Daily operation report Dec.17-18, 2002. Physics group II and operation group II. Outline. Schedule Present systems and plasma state Problems New information. Schedule. 10:30-18:00 rehearsal of study on LHW improving confinement (DBJ)

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Daily operation report Dec.17-18, 2002

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  1. Daily operation report Dec.17-18, 2002 Physics group II and operation group II

  2. Outline • Schedule • Present systems and plasma state • Problems • New information

  3. Schedule 10:30-18:00 rehearsal of study on LHW improving confinement (DBJ) 18:00-21:00 rehearsal of study on LHW improving confinement & coupling efficiency (SWC) 21:00-01:00 vertical displacement scan 01:00- longer LHW, ne scan

  4. Systems & Plasmas (I) 1 Vacuum and limiter temperature inner chamber pressure ~2E-5 Pa Better symmetry of Tlimiter rise by optimized vertical displacement control. deltaTMAX~10-15 degrees for 160kA*1s/250kW*0.3sLHW shots. 2 Cryogenic and toroidal field It~4100A, leak detecting 3 Plasmas: For LHCD exp, mainly 160 kA, 1.5e19m-3. 4 LHW Pmax~300 kW/~270-500 ms

  5. Plasmas (II) deltaT on limiters & vertical displacement control Shot 50032, south upper +10 K south lower +11K North upper +5K north lower +15K

  6. Plasmas (III) ne scanning Similar Current Drive effect with ne above 2e19m-3.

  7. Problems 1, LHW system (phase control); 2, ICRF system (trigger module, generator?) 3, Cryogenic system (He gas leak) 4, Diagnostics

  8. New information Collection of E-notes from every sub-systems. (to YAO Ai Ling) NPA needs time for installation.

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