Superconductivity and fusion energy-the inseparable companions
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In the International Thermonuclear Experimental Reactor (ITER) toroidal field model coil (TFMC) the experimental evaluation of the superconducting critical properties will only be possible by heating the helium upstream of the inner joint. In this coil onl ...
A high temperature superconducting current lead for application in fusion magnets was developed in collaboration of three laboratories. Bi-2223 Ag/Au tapes were selected to be used in the current lead and two industrial fabricated 10 kA modules were extens ...
In Se.C.R.E.T.S. (Segregated Copper Ratio Experiments on Transient Stability), the stability performance under transverse field transient is compared for two Nb3Sn cable-in-conduit conductors which differ only because of the different distribution of the s ...
The Joint European Torus (JET) has recently operated with deuterium-tritium (DT) mixtures, carried out an International Thermonuclear Experimental Reactor (ITER) physics campaign in hydrogen, deuterium, DT and tritium, installed the Mark IIGB 'Gas Box' div ...
The evolution of superconductors for fusion research is introduced with a review of a few relevant milestones of the last 25 years. The cable-in-conduit conductors (CICC) are the most promising option for future fusion devices. The design aspects and test ...
In tokamaks and stellarators, measurements of electromagnetic fluctuations in the presence of resonant particle drive, including fusion-produced alpha's, reveal the excitation of Alfven eigenmodes (AE), related under certain conditions to a degradation in ...
A 40 kA Nb3Sn conductor, designed to operate with forced helium flow at 4.5 K was tested in the SULTAN III facility, (I(max) = 50kA, B(max) (background) = 11T). The test sample and the operating conditions of the test facility are described. Two measuremen ...
Industry benefits in a number of different ways from the research and technology activities of the European Fusion Programme, overseen by the European Commission. These benefits range from: winning contracts to supply equipment and services to fusion labor ...
The energy confinement time of TCV ohmic L mode discharges depends strongly on plasma shape. For fixed average current and electron densities, confinement times increase with plasma elongation and decrease with (positive) plasma triangularity. This depende ...
Ion cyclotron resonance heating (ICRH) experiments have been carried out in JET D-T plasmas using scenarios applicable to reactors. Deuterium minority heating in tritium plasmas is used for the first time and produces 1.66 MW of D-T fusion power for an ICR ...
