[PDF] Top 20 La relación educativa en el sistema preventivo
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Capabilities of the ITER Electron Cyclotron Equatorial Launcher for Heating and Current Drive
... EC capabilities of the EL have been evaluated concentrating mainly on two ...steering launcher might increase e ff ective EC deposition beyond mid radius, at the cost of less e ffi ciency in the plasma core ... See full document
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Advanced electron cyclotron heating and current drive experiments on the stellarator Wendelstein 7-X
... another launcher + 1 beam line of the spare ...four equatorial launchers installed on W7-X with three beam lines each (see ...plasma current drive can be varied, ... See full document
6
Conceptual design of CFETR ECRH equatorial launcher and upper launcher
... of ITER, CFETR works on the technology which cannot be completed by ...and heating and current drive (H and CD), diagnostics, burning ratio of fuelled particles, plasma burning duty factor, ... See full document
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Urso, Laura (2009): Modelling and experiments on NTM stabilisation at ASDEX Upgrade. Dissertation, LMU München: Fakultät für Physik
... with Electron Cyclotron Current Drive (ECCD) injected at the resonant surface of interest to substitute the loss of current inside the island with an externally applied ...the ... See full document
14
Design and Research of Electron Cyclotron Resonance Heating and Current Dive System on HL-2M Tokamak
... The eight 1MW wave beams will be transported by eight evacuated transmission lines and be injected into the plasma through three launchers. The scheme of the eight transmission lines is shown in Fig. 3. Six of them are ... See full document
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Current drive by high intensity, pulsed, electron cyclotron wave packets
... the electron cyclotron (EC) frequency range, were used in the Microwave Tokamak Experiment (MTX) [1] for heating and for current generation in high density ...reactor heating and ... See full document
15
Assessment of Electron-Cyclotron-Current-Drive-Assisted Operation in DEMO
... non-inductive current should be as high as possible to approach steady-state ...reason, current-drive methods with high e ffi ciency (large current per unit injected power) should be ... See full document
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Status of the ITER Ion Cyclotron H&CD
... The ITER Ion Cyclotron Heating and Current Drive system (IC H&CD) is designed to deliver 20MW to a broad range of plasma scenarios between 40 and 55MHz, during very long ... See full document
12
ECCD operations in the second experimental campaign at W7-X
... toroidal current is not needed to confine the ...and heating have been obtained using Electron Cyclotron Resonance Heating (ECRH), with up to 10 gyrotrons at 140 GHz, able to operate ... See full document
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Benchmarking of electron cyclotron heating and current drive codes on ITER scenarios within the European Integrated Tokamak Modelling framework
... and current density profiles is still moderate, and the position of the profiles match within δρ < ...total current |δI cd /I cd | < 15%, and with peak values of power density dP/dV and driven ... See full document
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Recent Progress of 2MW 140GHz ECRH System on HL-2A
... Electron cyclotron heating (ECRH) and electron cyclotron current drive (ECCD) has been proven to be one of the most effective and promising methods for plasma ... See full document
6
Modification of argon impurity transport by electron cyclotron heating in KSTAR H-mode plasmas
... the heating position (𝑟/𝑎 = ...the heating position was inward in both ECH and non-ECH plasmas; it did not reverse with ECH as shown previously in KSTAR L-mode plasmas ... See full document
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Microwave Reflection from the Region of Electron Cyclotron Resonance Heating in the L-2M Stellarator
... We performed numerical calculations of the coeffi- cient of reflection from the ECR region for the conditions corresponding to the experiments on ECR plasma heating at the second harmonic of the electron ... See full document
116
Magnetic field turbulence, electron heating, magnetic holes, proton cyclotron waves, and the onsets of bipolar pulse (electron hole) events: a possible unifying scenario
... of electron acoustic waves driven by an ion ...two electron heating events, the hot electrons are evidently ...cold electron component is not available at this ...the electron ... See full document
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Remote-Steering Antennas for 140 GHz Electron Cyclotron Heating of the Stellarator W7-X
... As can be seen in Fig. 8, the best deformation found gives only a moderate improvement of the beam quality, even when combined with the optimised input coupling. Indeed, the best result comes from using the undeformed ... See full document
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Progress of ECRH by EBW in over-dense plasmas and controlling the confinement regime by ECCD with high power launching in LHD
... the electron density at the electron cyclotron resonance (ECR) layer exceeds the cutoff density of the electron cyclotron (EC) wave in high density operations and in such over-dense ... See full document
10
Physics of Heliotron J Confinement
... essential for high-energy particle confinement and plasma current control. The H-mode was observed in certain ro- tational transform windows, which correspond to the vac- uum configurations that come close to the ... See full document
16
Effect of Electron Cyclotron Current Drive on the Ion Temperature in the Plasma Core Region of the Large Helical Device
... Fig. 1 Time evolutions of plasma parameters in the three typi- cal discharges: applications of co-ECCD (#132695, red closed circles), counter-ECCD (#132688, blue crosses), and no ECCD (#132684, black open circles). Top ... See full document
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Electron Cyclotron Heating Start-Up Experiments on TST-2
... similar behaviors not only in the achieved plasma cur- rent but also in discharge waveforms and parameter dependences. Figure 9 shows the signal detected by the leakage monitor during O-mode injection. Before plasma ... See full document
16
Single-cavity gyromultipliers
... The LF wave in a gyromultipler may either be induced internally or injected externally. A self-exciting gyro-multiplier, which needs no external RF source, can be often more attractive at short wavelengths. In such a ... See full document
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