Results 161 to 170 of about 1,622 (192)
Investigation into the occurrence and molecular characteristics of Salmonella from food animals in Shandong, China. [PDF]
Poult SciLiu F +6 more
europepmc +1 more source
Neutral beam optimisation for the spherical tokamak ST40
Fusion Engineering and Design, 2017 Orbit following Monte Carlo code (ASCOT) calculations of neutral beam (NB) induced torque, current and heating have been performed for a selected set of plasma scenarios to optimise the neutral beam injection system for the proposed high magnetic field spherical tokamak ST40.
T Tala
exaly +3 more sources
Overview and status of construction of ST40
Fusion Engineering and Design, 2017 Abstract A new generation high field spherical tokamak, ST40, is currently under construction at Tokamak Energy Ltd (TE). The main parameters of ST40 are: R 0 = 0.4–0.6 m, A = 1.7–2.0, I pl = 2 MA, B t = 3 T, κ = 2.5. It will have power supplies based on ultracapacitors, liquid nitrogen-cooled copper magnets, up to 2 MW of neutral beam ...
Gryaznevich, M., Asunta, O.
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Merging compression start-up predictions for ST40
Fusion Engineering and Design, 2017 Abstract Merging compression is an efficient and robust method for plasma start-up which can achieve both high plasma current and high temperatures at fusion relevant densities. It involves the formation of plasma around two in-vessel poloidal field coils followed by a magnetic reconnection event after which the plasma can be compressed.
P F Buxton, M P Gryaznevich
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Characterisation of ion temperature and toroidal rotation on the ST40 tokamak
Journal of Instrumentation, 2023Abstract ST40 is a high field low-aspect ratio spherical tokamak built and operated by Tokamak Energy Ltd. Recent plasma operations were aimed at exploring operational scenarios to maximise the central plasma temperature and have culminated in the achievement of thermal ion temperatures of over 9 keV.
E Delabie, M Sertoli, J Varje
exaly +2 more sources
On the confinement modeling of a high field spherical tokamak ST40
Plasma Physics and Controlled Fusion, 2019Abstract One of the main features of a new generation of spherical tokamaks (ST) is a significant increase in the toroidal field. In this paper we mainly address the impact on confinement and fusion performance, but also briefly discuss the other issues in a high field ST.
Yu N Dnestrovskij, J W Connor
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2 MW ECRH System for ST40 Spherical Tokamak
2021 46th International Conference on Infrared, Millimeter and Terahertz Waves (IRMMW-THz), 2021A multi-frequency electron cyclotron resonance heating (ECRH) and current drive (CD) system is currently under construction at the ST40 spherical tokamak. The system employs 2 GYCOM gyrotrons with a maximum output power of 1 MW each and a pulse length of 2s. Both gyrotrons can be tuned to operate either at 105 GHz or 140 GHz.
Vladimir F. Shevchenko +5 more
openaire +1 more source
Fusion Engineering and Design, 2019
Abstract The first operational phase of ST40, a new R0 = 0.4 m high field spherical tokamak, took place in early 2018. Its results are presented in [ 1 ]. During these first operations, the device was run in a reduced configuration, but all the main components of control and data flow were already in place.
Asunta, O. +5 more
openaire +1 more source
Abstract The first operational phase of ST40, a new R0 = 0.4 m high field spherical tokamak, took place in early 2018. Its results are presented in [ 1 ]. During these first operations, the device was run in a reduced configuration, but all the main components of control and data flow were already in place.
Asunta, O. +5 more
openaire +1 more source