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Particle Confinement Improvement with Current Ramp in the HL-1M Tokamak |
| YAN Long-Wen;WANG En-Yao;QIAN Jun;CHEN Liao-Yuan;LIU Yong |
| Southwestern Institute of Physics, PO Box 432, Chengdu 610041 |
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| Cite this article: |
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YAN Long-Wen, WANG En-Yao, QIAN Jun et al 2003 Chin. Phys. Lett. 20 93-95 |
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Abstract Particle confinement with current ramp is investigated in the HL-1M tokamak. The ratio of particle confinement time to energy confinement time is used to determine confinement improvement. It increases a factor of 3 after the current rises twofold. An optimization density range to improve particle confinement is (1.5-3.5) x 1019m-3. Particle confinement improvement during current ramp-up is beneficial to the startup of fusion reactors.
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| Keywords:
52.55.-s
52.55.Dy
52.55.Fa
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Published: 01 January 2003
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| PACS: |
52.55.-s
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(Magnetic confinement and equilibrium)
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52.55.Dy
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(General theory and basic studies of plasma lifetime, particle and heat loss, energy balance, field structure, etc.)
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52.55.Fa
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(Tokamaks, spherical tokamaks)
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