Controlling the energy of runaway electrons by emissive limiter biasing in tokamaks

MR Ghanbari, M Ghoranneviss, AS Elahi… - Physica …, 2012 - iopscience.iop.org
The high-energy current of runaway electrons during a major disruption in tokamak reactors
can cause serious damage to the first wall of the reactor and reduce its lifetime. Therefore, it …

Effects of hot limiter biasing on tokamak runaway discharges

A Salar Elahi, M Ghoranneviss, MR Ghanbari - Journal of Fusion Energy, 2013 - Springer
In this research hot limiter biasing effects on the Runaway discharges were investigated.
First wall of the tokamak reactors can affects serious damage due to the high energy …

Real time wall conditioning with lithium powder injection in long pulse H-mode plasmas in EAST with tungsten divertor

Z Sun, R Maingi, JS Hu, W Xu, GZ Zuo, YW Yu… - Nuclear Materials and …, 2019 - Elsevier
Real-time lithium powder injection has been applied to long-pulse (> 30 s) H-mode plasmas
in EAST. This replenishes the active lithium surface that is routinely consumed by plasma …

Impurity production monitoring during RF experiments in Tore Supra

O Meyer, P Monier-Garbet, P Devynck… - Journal of nuclear …, 2009 - Elsevier
Real time monitoring of edge plasma impurity content is used in a radiofrequency heated
plasma scenario, to operate the tokamak safely by preventing any large increase in the …

High-density H-mode operation achieved using efficient plasma refueling by inboard pellet launch

PT Lang, O Gruber, LD Horton, TTC Jones… - Journal of nuclear …, 2001 - Elsevier
A systematic study was performed on high-density H-mode operation in the tokamaks
ASDEX Upgrade and JET using inboard pellet launch refueling. The pellet particle flux was …

Study of Runaway Electron Generation in Synergetic ECRH and SMBI Plasma and during Major Disruptions in the HL-2A Tokamak

Y Zhang, Y Liu, G Yuan, J Yang, X Song, J Zhou, L Yao… - 2012 - osti.gov
Full text: Runaway electron (RE) is a crucial issue in achieving safe tokamak operation due
to its sever threat to tokamak machines when they hit the first wall, especially during …

Conditioning of SST-1 tokamak vacuum vessel by baking and glow discharge cleaning

Z Khan, S George, P Semwal, KR Dhanani… - Fusion Engineering and …, 2016 - Elsevier
Abstract Steady-state Superconducting Tokamak (SST-1) vacuum vessel (VV) adopts
moderate baking at 110±10° C and the limiters baking at 250±10° C for∼ 200 h followed by …

Investigation of runaway electrons in the current ramp-up by a fully non-inductive lower hybrid current drive on the EAST tokamak

HW Lu, XJ Zha, FC Zhong, LQ Hu, RJ Zhou… - Physica …, 2013 - iopscience.iop.org
The possibility of using a lower hybrid wave (LHW) to ramp up the plasma current (I p) from a
low level to a high enough level required for fusion burn in the EAST (experimental …

Study of Ohmic breakdown and burnthrough phase of ADITYA tokamak

S Patel, RL Tanna, MB Chowdhuri, KA Jadeja… - Physics of …, 2023 - pubs.aip.org
In the ADITYA tokamak, the plasma discharge is initiated through filament pre-ionization
assisted breakdown, using the conventional inductively driven electric field. Following the …

Overview of recent experimental results from the ADITYA-U tokamak

RL Tanna, T Macwan, J Ghosh, KA Jadeja… - Nuclear …, 2022 - iopscience.iop.org
Since the 2018 IAEA-FEC conference, in addition to expanding the parameter horizons of
the ADITYA-U machine, emphasis has been given to dedicated experiments on inductively …