LHCD Current Profile Control Experiments towards Steady StateImproved Confinement on JT-60U S. Ide, O. Naito, T. Oikawa, T. Fujita, T. Kondoh, M.

Box 432, Chengdu, Sichuan, 610041, China ABSTRACT : Confinement Studies during LHCD and LHW Ion Heating on HL-1M LHCD experiments were conducted on HL-1M in the past years.

... the issues to the extent that remediation measures can be taken following the campaign is also important. Results from this experiment will be critical for other LHCD experiments and ...

Prior results at Alcator or elsewhere, and any related work being carried out separately. Most of the LHCD experiments to date have been into low density, ohmic, target plasmas which ...

CD1/4) LHCD Current Profile Control Experiments towards Steady State Improved Confinement on JT-60U

EX/P3-19) Fast Electron Dynamics during Lower Hybrid Current Drive Experiments in the HT-7 Tokamak

current profile modification during lower hybrid current drive in the princeton beta experiment- modification*

... Euratom-CEA sur la Fusion, Centre d'Etudes de Cadarache, France Abstract. Lower Hybrid Current Drive (LHCD) has been succesfully employed in current profile control experiments and ...

R-1 Mechanisms of Electric Propulsion Nathaniel J. Fisch Princeton University The technology of electric propulsion evolved to overcome the high propellant weight associated with ...

Coupling of LH waves to H-mode plasmas, fast electron confinement and the scaling of the power threshold for L-H transitions with LHCD are discussed. OPERATION REGIME LHCD experiments ...

A megawatt grade of lower hybrid wave system was developed on the superconductive tokamak HT-7, and it has been used for lower hybrid current drive (LHCD) experiments for 5 yr.

System and Experiments for Research of Lower Hybrid Current Drive on HT-7 Volume 42 · Number 1 · July 2002 · Pages 124-130 Technical Paper Guangli Kuang, HT-7 Team

LHCD Experiments in High Performance Plasmas in JET Ekedahl, A. A04 Enhancement of Localized ICRF Heating and Current Drive in TFTR D-T Plasmas

LHCD coupling and ICRF sheaths at JET K. K. Kirov 1, M-L. Mayoral 1, J. Mailloux 1, Yu. ... the new ITER-like ICRF antenna will be magnetically connected to the LH launcher. Experiments ...

The current drive (CD) efficiency is a key physical issue in evaluating the lower hybrid current drive (LHCD) experiments for long pulse discharges.

Improvement of plasma confinement was obtained by controlling the current density profile via off-axis LHCD. Experiments have demonstrated ...

... effort will target the transmitter protection circuits for a tokamak Lower Hybrid Current Drive (LHCD) RF system.   In particular, the Alcator C-Mod tokamak LHCD experiment will be ...

Lower Hybrid Current Drive Experiments in Alcator C-Mod. 9:30 AM?10:00 AM. Preview Abstract. Author: Ronald Parker (MIT PSFC) Lower Hybrid Current Drive (LHCD ...

... reference ? N-values. ?Some NTM control technique must be included in the design of a BP experiment:-ECCD for ITER-FEAT (Perkins, Harvey)-Another method for FIRE (e.g., LHCD ?) ...

... through current profile control.-Key new tool, Lower Hybrid Current Drive system, just installed. Tobe commissioned during 2005, hope to use it for j(r) modification experiments in ...

High density LHCD Experiments HT-7 shot 16394 B T = 2.0T, n || = 2.8, f = 2.45GHz. n e = 1.5~6.0 10 19 m-3 weak LH wave absorption dormant scenario n acc, = 2.8 ~ 4.3 for n e =3~6.010 19 m-3, LHCD ...

Lower hybrid current drive and heating (LHCD) is used routinely to get reversed q profiles in OS plasmas in JET. Recent experiments indicate that LHCD can control the q profile also ...

The high electron density can obtain Ip reaches 234kA, Ne~1.610 13 /cm 3 Ne~5.2 10 13 /cm 3,Ip ~200 kA During LHCD experiment, higher plasma current drive with plasma ...

S.Y.Lin (E-mail: linsy@ipp.ac.cn ) Lower hybrid current drive (LHCD) experiments have been carried out in the HT-7 superconducting tokamak.. The bulk electrons can be effectively ...

... bremsstrahlung emission from suprathermal electrons, generated with lower hybrid current drive ... EXPERIMENTAL RESULTS One of the main goals of the LHCD experiment on PBX-M was to ...

... long discharge for longer than 3 hours has been demonstrated using lower hybrid current drive ... Table 3 shows the main plasma parameters of OH and LHCD experiments which have been ...

Lower hybrid current drive (LHCD) is a powerful tool not only for sustaining the plasma ... with constant plasma parameters were performed in these experiments. Atypical LHCD reference ...

MAO Suying YUAN Baoshan LI Qiang (PDF: 27.4KB) · The Project of Controlling and Data Acquisition System in LHCD Experiment on HL-2A Tokamak

... and HT-7 Team 1 Institute of Plasma Physics, Chinese Academy of Sciences, China Fast electron bremsstrahlung (FEB) emissions during lower hybrid current drive (LHCD) experiments in HT ...

Although lower hybrid current drive (LHCD) was the most effective method to ... was studied in TRIAM-1M, there is not ohmic field in experiments. Fully non-inductive LHCD ...