Status of the ITER ECRH&CD control system development [PDF]
EPJ Web of Conferences, 2023 The ITER ECRH&CD system is designed to inject 20 MW of millimetre-wave at 170 GHz into the vacuum vessel. The system is composed of many sub-systems, namely High-Voltage Power Supplies (HVPS), Gyrotrons, Transmission Lines (TL), Ex-vessel Waveguides (EW),
Carannante Giuseppe +6 more
doaj +1 more source
Differentiating multi-MeV, multi-ion spectra with CR-39 solid-state nuclear track detectors
Scientific Reports, 2023 The development of high intensity petawatt lasers has created new possibilities for ion acceleration and nuclear fusion using solid targets. In such laser-matter interaction, multiple ion species are accelerated with broad spectra up to hundreds of MeV ...
M. S. Schollmeier +20 more
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Preceding propagation of turbulence pulses at avalanche events in a magnetically confined plasma
Scientific Reports, 2022 The preceding propagation of turbulence pulses has been observed for the first time in heat avalanche events during the collapse of the electron internal transport barrier (e-ITB) in the Large Helical Device.
N. Kenmochi +10 more
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Experimental determination of the cooling efficiency of a high-temperature surface by a pneumatic nozzle [PDF]
E3S Web of Conferences, 2023 The cooling of surfaces that perceive high heat fluxes (more than 7 MW/m2) at the current pace of development of the energy sector will become one of the main problems of the near future. In this paper, as one of the options for effective cooling of high-
Demidov Andrey Sergeevich +3 more
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Measurement of disruption forces in JET using fiber-optic sensors [PDF]
, 2009 Monitoring the forces induced on the vacuum vessel when a disruption occurs is essential for the protection of the machine. Since divertor coils have been installed in JET, during disruptions a significant difference between the forces measured on the ...
Fusiek, G. +8 more
core +1 more source
Comparison between measurement and calculations for a 14 MeV neutron water activation experiment [PDF]
EPJ Web of Conferences, 2020 The nuclear heat loads due to gamma rays emitted from the decay of 16N and delayed neutrons from17N, generated by the activation of water in cooling circuits, are critical for ITER design. The assessment of nuclear heating from activated water is complex;
Andreoli F. +18 more
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Fusion versus Breakup: Observation of Large Fusion Suppression for ^9Be + ^{208}Pb [PDF]
, 1999 Complete fusion excitation functions for $^{9}$Be + $^{208}$Pb have been measured to high precision at near barrier energies. The experimental fusion barrier distribution extracted from these data allows reliable prediction of the expected complete ...
A. C. Berriman +40 more
core +4 more sources
Accuracy of elastic fusion biopsy in daily practice: results of a multicenter study of 2115 patients [PDF]
, 2018 OBJECTIVES: To assess the accuracy of Koelis fusion biopsy for the detection of prostate cancer and clinically significant prostate cancer in the everyday practice.
Albisinni S +30 more
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Long-pulse Plasma Discharges by Upgraded ECH System in the LHD
EPJ Web of Conferences, 2015 Until 2009, three high-power, over 1MW each, 77GHz gyrotrons have been installed and applied to the LHD experiment. In addition, a 154GHz gyrotron of 1MW was installed in 2012. The 77GHz gyrotrons suffer gradual increases of internal pressure during long-
Yoshimura Y. +21 more
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Development of high-performance long-pulse discharge in KSTAR
Nuclear Fusion, 2023 High-performance long-pulse plasma operation is essential for producing economically viable fusion energy in tokamak devices. To achieve such discharges in KSTAR, firstly, the rapid increase in the temperature of plasma-facing components was mitigated ...
Hyun-Seok Kim +29 more
doaj +1 more source