Investigation of hydrogen recycling in long-duration discharges and its modification with a hot wall in the spherical tokamak QUEST
Fully non-inductive plasma maintenance was achieved by a microwave of 8.2 GHz and 40
kW for more than 1 h 55 min with a well-controlled plasma-facing wall (PFW) temperature of …
kW for more than 1 h 55 min with a well-controlled plasma-facing wall (PFW) temperature of …
Role of energetic electrons during current ramp-up and production of high poloidal beta plasma in non-inductive current drive on QUEST
S Tashima, H Zushi, M Isobe, K Hanada, H Idei… - Nuclear …, 2014 - iopscience.iop.org
A scenario for non-inductive current ramp-up has been demonstrated using electron
cyclotron waves in the spherical tokamak QUEST. The configuration was characterized by a …
cyclotron waves in the spherical tokamak QUEST. The configuration was characterized by a …
Particle balance investigation with the combination of the hydrogen barrier model and rate equations of hydrogen state in long duration discharges on an all-metal …
K Hanada, N Yoshida, M Hasegawa… - Nuclear …, 2019 - iopscience.iop.org
The fuel particle balance during long duration discharges in the Q-shu University
Experiment with steady state spherical tokamak (QUEST) was investigated. QUEST has all …
Experiment with steady state spherical tokamak (QUEST) was investigated. QUEST has all …
A tritium permeation 'short cut'for plasma-facing components of fusion reactors
In ITER and other fusion reactors, plasma-facing components (PFCs) will be subjected to
intense plasma/neutral fluxes and tritium (T) permeation issue will be raised. In the present …
intense plasma/neutral fluxes and tritium (T) permeation issue will be raised. In the present …
Global gas balance and influence of atomic hydrogen irradiation on the wall inventory in steady-state operation of QUEST tokamak
Hydrogen wall pumping is studied in steady state tokamak operation (SSTO) of QUEST with
all metal plasma facing materials PFMs at 100° C. The duration of SSTO is up to 820 s in …
all metal plasma facing materials PFMs at 100° C. The duration of SSTO is up to 820 s in …
Atomic and ionic hydrogen flux probe for quantitative in-situ monitoring of hydrogen recycling
A new combination diagnostic as a hydrogen recycling monitor in harsh conditions is
proposed. Combining permeation membrane probe with a Langmuir probe provides a …
proposed. Combining permeation membrane probe with a Langmuir probe provides a …
[HTML][HTML] Spatial distribution of atomic and ion hydrogen flux and its effect on hydrogen recycling in long duration confined and non-confined plasmas
In order to understand the atomic hydrogen distribution in different kinds of plasma and its
influence on the recycling, two kinds of plasmas were used: non-confined annular electron …
influence on the recycling, two kinds of plasmas were used: non-confined annular electron …
Experimental study of breakdown time in a pulsed 2.45-GHz ECR hydrogen plasma reactor
OD Cortázar, A Megía-Macías… - IEEE transactions on …, 2012 - ieeexplore.ieee.org
An electron cyclotron resonance (ECR) plasma reactor developed at the European
Spallation Source Bilbao has been operated in pulsed mode at 50 Hz to study the …
Spallation Source Bilbao has been operated in pulsed mode at 50 Hz to study the …
Hydrogen flux measurements with permeation probes in spherical tokamak QUEST
Poloidal and radial distributions of the hydrogen flux, both atomic and ion, to the plasma
facing materials (PFMs) are measured with four fixed and one movable PdCu membrane …
facing materials (PFMs) are measured with four fixed and one movable PdCu membrane …
Design and development of hydrogen isotope sensor in liquid PbLi
A Sircar, SK Sharma, RB Patel, PA Rayjada - Fusion Engineering and …, 2014 - Elsevier
Indian LLCB–TBM uses liquid Lead-Lithium (Pb-Li) as tritium breeder, neutron multiplier and
coolant. Tritium bred in liquid PbLi stream has to be recovered by tritium extraction system …
coolant. Tritium bred in liquid PbLi stream has to be recovered by tritium extraction system …