PFC / JA - 90 - 31 Complete Macroscopic Stabilization of Tokamak Plasmas

نویسنده

  • J. J. Ramos
چکیده

A numerical investigation of ideal magnetohydrodynamic stability in finite aspect ratio tokamaks with zero edge current density is carried out. It is shown that, assuming a conventionally D-shaped cross section and a safety factor on axis greater than 2.1, both n = oo and n = 1 modes are stable for any beta, even in the absence of any surrounding conductors.

برای دانلود متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

ثبت نام

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

منابع مشابه

Pfc/ja-83-13 Parametric Phenomena in Electron Cyclotron Resonance Heating of Tokamak Plasmas

A theoretical study of parametric processes near the electron cyclotron resonance region in tokamak plasmas is presented. Parametric dispersion relations, including finite wave length of the driver pump, of principal and harmonic parametric excitations, are given. The problem of primary and secondary decays including their temporal and spatial growth rates is studied. In the nonlinear phase of ...

متن کامل

PFC / JA - 96 - 39 ICRF Heating Scenarios on Alcator C - Mod

Successful high power ICRF heating of L-mode and H-mode plasmas has been performed in the Alcator C-Mod tokamak with up to 3.5 MW of RF power at 80 MHz. Efficient absorption (90-100%) of the RF power was observed for D(H) heating at 5.3 T (here the minority ion species is indicated parenthetically). Lower single-pass absorption experiments were also performed in D(3He) at 7.9 T, D( 2 13He) at 4...

متن کامل

Pfc/ja-83-12 X-ray Line Intensities for Ions of the Helium Isoelectronic Sequence in High Temperature Plasmas

Measurements are reported for the He-like X-ray spectra of argon obtained in a deuterium tokamak plasma with N = 1-2 x 1014 cm-3 and T = 1-2 keV. The results are interpreted with the help of computed excitation rates and other available atomic data. The plasma sensitivity of line intensity ratios is discussed as well as the Z-dependence based on earlier observations of He-like S

متن کامل

PFC / JA - 96 - 5 The Influence of Anomalous Diffusion on Parallel Ion Transport in Edge Plasmas

In edge plasmas, such as the tokamak scrape-off layer, transport parallel and perpendicular to the magnetic field are strongly coupled. It is shown that this leads to an unconventional form of the parallel transport laws. In particular, if the radial transport is governed by anomalous diffusion, the parallel ion transport cannot be entirely classical. This general phenomenon is demonstrated exp...

متن کامل

PFC / JA - 96 - 29 H Mode Confinement in Alcator C - Mod

A series of experiments, examining the confinement properties of ICRF heated H-mode plasmas, has been carried out on the C-Mod tokamak. C-Mod is a compact tokamak which operates at high particle, power, and current densities at toroidal fields up to 8T. Under these conditions the plasma is essentially thermal with very little contribution to the stored energy from energetic ions (typically no m...

متن کامل

ذخیره در منابع من


  با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید

برای دانلود متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

ثبت نام

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

عنوان ژورنال:

دوره   شماره 

صفحات  -

تاریخ انتشار 2014