Current Drive
High Field Side Lower Hybrid Current Drive Simulations for Off- axis Current Drive in DIII-D
... off-axis current drive scalable to reactors is a key enabling technology for developing economical, steady state ...hybrid current drive (LHCD) in double null configurations in reactor grade ...
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Pushing Particles with Waves: Current Drive and α-Channeling
... the current-generation stage, the current is in- creasing, so there is an induced electric field that opposes the increase in the ...the current drive ...the current decay stage, ...
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Studies of helicon waves and plasma current drive in the Sheila heliac
... driven current 1(0 < r < a/2) has an opposite sign to the wavevector k and the magne tostatic field ...greater current but of direction parallel to B0 follows from the ...measured current is ...
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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 ...
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Electron cyclotron heating and current drive using the electron Bernstein modes
... to current drive. The normal inductive method of current drive, by its very nature, leads to pulsed ...plasma current can only be maintained for as long as the magnetic flux linking the ...
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Current Challenges in the First Principle Quantitative Modelling of the Lower Hybrid Current Drive in Tokamaks
... All the concepts for first principle modeling LH wave current drive were already established about 30 years ago. Since, progresses have concerned principally more realistic descriptions of the LH wave and ...
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On the Current Drive Capability of Low Dimensional Semiconductors: 1D versus 2D
... the current trend of miniaturization prevails, one- dimensional modes will ultimately carry the current from source to ...lower current drive capabilities per ...
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Current drive by high intensity, pulsed, electron cyclotron wave packets
... In the early 1990s, high power, pulsed, microwaves, in the electron cyclotron (EC) frequency range, were used in the Microwave Tokamak Experiment (MTX) [1] for heating and for current generation in high density ...
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Capabilities of the ITER Electron Cyclotron Equatorial Launcher for Heating and Current Drive
... and Current Drive (H&CD), at 170 GHz, 20 MW, is one of the heating systems foreseen to assist and sustain the development of various ITER plasma scenarios starting with the very first plasma generated ...
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Scaling Law of Non-Inductive Current Drive Steady State Tokamak
... by use of scaling laws of electron density, beta ratio, en- ergy confinement time, and current drive efficiency respec- tively. They are examined by comparison with the data of standard scenario of inductive ...
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Control of ion motion in rotating magnetic field current drive
... The main focus of controlled nuclear fusion research is the “tokamak” reactor, a toroidal vessel in which an electric current is made to flow in a contained closed plasma ring. External magnetic fields confine and ...
175
Control of ion motion in rotating magnetic field current drive
... Driven current (as dimensionless parameter α ) against time when both the (-) and (+) RMF are applied, for two different rise times of the (+) RMF (i) 10 μs, and (ii) 20 ...
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Simulation of Lower Hybrid Current Drive for DEMO
... Relative Power of the Injected Wave Spectrum Since the coupling of lower hybrid waves with plasma particles depends on various factors such as distance from the edge of plasma and the pa[r] ...
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Reflections on the Current Drive toward Greater Legalization in China
... Not having been brainwashed, if you will, by legal training, they did not automatic- ally assume that China needed a modern legal system replete with codes and spec[r] ...
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ECCD operations in the second experimental campaign at W7-X
... Abstract. In the Wendelstein 7-X stellarator, up to 7MW of power are delivered to the plasma by an electron cyclotron resonance heating system consisting of ten 140 GHz gyrotrons [1]. Due to the flexible front steering ...
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1126 2004 001 Concurrent DOS 386 Users Guide Nov87 pdf
... Unless you put a drive specification in your command line, Concurrent and its commands look first in the directory of the disk in the current drive for all your program and text files.. [r] ...
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Simulation Study of ECCD in Helical Plasmas
... While the experimental analyses of ECCD have been carried out in the number of helical devices as mentioned above, the theoretical analyses of these experiments have not been done su ffi ciently. In this study, we simulate ...
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Stabilization of Neoclassical Tearing Modes by rf Current
... (rf) current is investigated by the modified Ruther- ford equation (MRE) in this ...rf current for mode stabilization is obtained, which is linearly proportional to the bootstrap current density for ...
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Current Trends of High capacity Optical Interconnection Data Link in High Performance Optical Communication Systems
... In a summary, we can conclude that the increased drive current to the laser, and turn on voltage of the laser, this leads increase of electrical power that limits the bit error rate. Also the increased ...
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Design of Automatic River Cleaning System
... In this project the main aim of this machine is to lift the waste debris from the water surface and dispose them in the tray. Here we are fabricating the automatic river cleaning system. The collecting plate and chain ...
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