The technology of fast wave current drive antennas
نویسندگان
چکیده
منابع مشابه
Fast wave current drive in DEMO
The ability to non-inductively drive a large fraction of the toroidal plasma current in magnetically confined plasmas is an essential requirement for steady state fusion reactors such as DEMO. Besides neutral beam injection (NBI), electron-cyclotron resonance heating (ECRH) and lower hybrid wave heating (LH), ion-cyclotron resonance heating (ICRH) is a promising candidate to drive current, in p...
متن کاملFast Wave Current Drive on Diii - D
The physics of electron heating and current drive with the fast magnetosonic wave has been demonstrated on DIU-D , in reasonable agreement with theoretical modeling. A recently completed upgrade to the fast wave capability should allow f id noninductive current drive in steady state advanced confinement discharges and provide some current density profile control for the Advanced Tokamak Program...
متن کاملSpectral Effects on Fast Wave Core Heating and Current Drive
RF heating and current drive is an essential component in most magnetic fusion devices, including ITER. Recent results obtained with high harmonic fast wave (HHFW) heating and current drive (CD) on NSTX strongly support the hypothesis that the onset of perpendicular fast wave propagation right at or very near the launcher is a primary cause for reduced core heating efficiency at long wavelength...
متن کاملFast-wave current drive in a toroidal plasma.
Fast-wave current drive is demonstrated in Hw Princeton ACT -I toroidal device. The fast Alfven wave, in the range of high ion-cyclotron harmonics, produced 40 A of current from 1 kW of rf power coupled into a plasma hy a fast-wave locp antenna. This wave excites a steady current by damping on the energetic tail of the electron distribution function in the same way as lower-hybrid current drive...
متن کاملFast Cooling Techniques for Gravitational Wave Antennas
The resonant-mass technique for the detection of Gravitational Waves may involve, in the near future, the cooling of very large masses (about 100 tons) from room temperature (300K) to extreme cryogenic temperatures (20mK). To cool these detectors down to cryogenic temperatures an exchange gas (helium) is used, and the heat is removed from the antenna to the cold reservoir by thermal conduction ...
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ژورنال
عنوان ژورنال: Fusion Engineering and Design
سال: 1994
ISSN: 0920-3796
DOI: 10.1016/0920-3796(94)90040-x