Lessons learned from twenty-year operation of the Large Helical Device poloidal coils made from cable-in-conduit conductors
Sign Up to like & getrecommendations! Published in 2018 at "Cryogenics"
DOI: 10.1016/j.cryogenics.2018.02.004
Abstract: Abstract The Large Helical Device (LHD) superconducting magnet system consists of two pairs of helical coils and three pairs of poloidal coils. The poloidal coils use cable-in-conduit (CIC) conductors, which have now been adopted in… read more here.
Keywords: cable conduit; poloidal coils; helical device; large helical ... See more keywords
Monte Carlo simulation of the neutron measurement for the Large Helical Device deuterium experiments
Sign Up to like & getrecommendations! Published in 2017 at "Fusion Engineering and Design"
DOI: 10.1016/j.fusengdes.2017.02.038
Abstract: Abstract The Large Helical Device (LHD) plans to start deuterium experiments in March 2017. The expected performances of the neutron flux monitor and the vertical neutron camera have been investigated by neutron Monte Carlo simulations… read more here.
Keywords: deuterium experiments; large helical; monte carlo; helical device ... See more keywords
Investigation on tritium retention and surface properties on the first wall in the large helical Device
Sign Up to like & getrecommendations! Published in 2021 at "Nuclear materials and energy"
DOI: 10.1016/j.nme.2021.100906
Abstract: Abstract In the Large Helical Device (LHD), the first deuterium plasma experiment was conducted in 2017. To investigate tritium migration in the LHD vacuum vessel, long-term material probes were installed on the first wall before… read more here.
Keywords: divertor; helical device; large helical; first wall ... See more keywords
Modeling of heating scheme impacts on neon seeded plasmas with the resonant magnetic perturbation application in the large helical device: ECR and NBI heating
Sign Up to like & getrecommendations! Published in 2024 at "Physics of Plasmas"
DOI: 10.1063/5.0169910
Abstract: Plasma parameter profiles along the effective minor radius of flux surfaces are modeled for the conditions with neon impurity puffing and external resonant magnetic perturbations at the plasma edge in the large helical device. For… read more here.
Keywords: helical device; modeling heating; heating scheme; large helical ... See more keywords
Recent results from deuterium experiments on the large helical device and their contribution to fusion reactor development
Sign Up to like & getrecommendations! Published in 2021 at "Nuclear Fusion"
DOI: 10.1088/1741-4326/ac3cda
Abstract: In recent deuterium experiments on the large helical device (LHD), we succeeded in expanding the temperature domain to higher regions for both electron and ion temperatures. Suppression of the energetic particle driven resistive interchange mode… read more here.
Keywords: large helical; helical device; fusion; experiments large ... See more keywords
A reduced-turbulence regime in the Large Helical Device upon injection of low-Z materials powders
Sign Up to like & getrecommendations! Published in 2023 at "Nuclear Fusion"
DOI: 10.1088/1741-4326/acd465
Abstract: Recently an improved confinement regime, characterized by reduced turbulent fluctuations has been observed in the Large Helical Device upon the injection of boron powder into the plasma (Nespoli et al 2022 Nat. Phys. 18 350–56).… read more here.
Keywords: injection; device upon; upon injection; turbulence ... See more keywords
Ultrahigh neutral pressures in the sub-divertor of the Large Helical Device
Sign Up to like & getrecommendations! Published in 2024 at "Nuclear Fusion"
DOI: 10.1088/1741-4326/ad249f
Abstract: In the Large Helical Device (LHD) a low temperature mode (LTM) of the helical divertor was discovered. It combines particle detachment and very large sub-divertor pressures up to 1.4 Pa. During the LTM, the electron temperature… read more here.
Keywords: configuration; helical device; divertor; large helical ... See more keywords
Neutron Diagnostics in the Large Helical Device
Sign Up to like & getrecommendations! Published in 2018 at "IEEE Transactions on Plasma Science"
DOI: 10.1109/tps.2018.2836987
Abstract: The deuterium operation of the large helical device (LHD) began in March 7, 2017, after long-term preparation and commissioning of apparatuses necessary for execution of the deuterium experiment. A comprehensive set of neutron diagnostics was… read more here.
Keywords: neutron diagnostics; neutron; deuterium; neutron emission ... See more keywords