Solenoid-free plasma startup in NSTX using transient CHI
作者: R. RamanT.R. JarboeD. MuellerB.A. NelsonM.G. BellR. BellD. GatesS. GerhardtJ. HoseaR. KaitaH. KugelB. LeBlancR. MaingiR. MaquedaJ. MenardM. NagataM. OnoS. PaulL. RoquemoreS. SabbaghV. SoukhanovskiiG. Taylor
刊名: Nuclear Fusion, 2009, Vol.49 (6), pp.065006 (6pp)
来源数据库: Institute of Physics Journal
DOI: 10.1088/0029-5515/49/6/065006
原始语种摘要: Experiments in NSTX have now demonstrated the coupling of toroidal plasmas produced by the technique of coaxial helicity injection (CHI) to inductive sustainment and ramp-up of the toroidal plasma current. In these discharges, the central Ohmic transformer was used to apply an inductive loop voltage to discharges with a toroidal current of about 100 kA created by CHI. The coupled discharges have ramped up to >700 kA and transitioned into an H-mode demonstrating compatibility of this startup method with conventional operation. The electron temperature in the coupled discharges reached over 800 eV and the resulting plasma had low inductance, which is preferred for long-pulse high-performance discharges. These results from NSTX in combination with the previously obtained record 160 kA...
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  • transient 瞬变现象
  • startup 启动
  • plasma 深绿玉髓