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Study of LHW physics in AC Operation and the poloiadal rotation in RF heating plasma

Study of LHW physics in AC Operation and the poloiadal rotation in RF heating plasma Proposal for HT-7 in 2007 Experimental Campaign. Presented by Yuejiang Shi. Contents. Study the relation between the confinement improvement and the current profile

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Study of LHW physics in AC Operation and the poloiadal rotation in RF heating plasma

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  1. Study of LHW physics in AC Operation and the poloiadal rotation in RF heating plasma Proposal for HT-7 in 2007 Experimental Campaign Presented by Yuejiang Shi

  2. Contents • Study the relation between the confinement improvement and the current profile • Research the loop voltage effects on CD efficiency and the fast electron distribution in LHW plasma with non-zero loop voltage • Study the poloidal rotation in RF heating plasma (with the help of Bojing Ding)

  3. Study the relation between the confinement improvement and the current profile TCV: core plasma confinement improved in RS which is obtained by co-off-axis and cnt-on-axis ECCD.

  4. Research the loop voltage effects on CD efficiency and the fast electron distribution in LHW plasma with non-zero loop voltage 2D Fast electron distribution function HX spectrum at different direction (Ph.D thesis of Zhongyong Cheng)

  5. Study the poloidal rotation in RF heating plasma TFTR: Experimental carbon v at six major radius locations during (a) discharge with IBW power; (b) discharge without IBW power.

  6. Experimental parameters • AC operation with LHW (only two cycles) • Fixed parameters: • Ip~120kA, Bt~1.9T • Scan paramters: • Nel: 0.7, 1.0, 1.5, 2.0, 2.5 • Plhw: 100, 200, 300, 400, 500 • Normal operation with IBW • Fixed parameters: • Ip~170kA • Scan paramters: • Bt: 1.7T, 1.8T, 1.9T • Fibw: 27MHz, 30MHz • Nel: 1.5, 2.0, 2.5 • Pibw: 50, 100, 200, 300, 400

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