An optimized upper divertor with divertor-coils to study enhanced divertor configurations in ASDEX Upgrade
Sign Up to like & getrecommendations! Published in 2017 at "Fusion Engineering and Design"
DOI: 10.1016/j.fusengdes.2017.05.074
Abstract: Abstract A new upper divertor with in-vessel coils to investigate ‘advanced’ magnetic configurations will be installed in ASDEX Upgrade. ‘Advanced’ magnetic configurations are part of a risk mitigation strategy should the conventional divertor configuration approach… read more here.
Keywords: asdex upgrade; upper divertor; optimized upper; divertor divertor ... See more keywords
Extension of the reactive power compensation for the pulsed power supply of ASDEX Upgrade
Sign Up to like & getrecommendations! Published in 2019 at "Fusion Engineering and Design"
DOI: 10.1016/j.fusengdes.2019.01.062
Abstract: Abstract ASDEX Upgrade (AUG) is an essential element of the European Medium Sized Tokamak (MST) program towards a fusion power plant. It investigates plasma control and performance from plasma core (e.g. current drive and central… read more here.
Keywords: power supply; asdex upgrade; reactive power; power ... See more keywords
An overview of the in-vessel ICRF-diagnostics in the ASDEX Upgrade tokamak
Sign Up to like & getrecommendations! Published in 2019 at "Fusion Engineering and Design"
DOI: 10.1016/j.fusengdes.2019.04.040
Abstract: Abstract Radio Frequency (RF) waves in the Ion Cyclotron Range of Frequency (ICRF) are successfully used to heat fusion plasmas. For a better understanding of the ICRF wave propagation, absorption and other processes in the… read more here.
Keywords: overview vessel; vessel icrf; asdex upgrade; upgrade tokamak ... See more keywords
Surface modification of He pre-exposed tungsten samples by He plasma impact in the divertor manipulator of ASDEX Upgrade
Sign Up to like & getrecommendations! Published in 2017 at "Nuclear materials and energy"
DOI: 10.1016/j.nme.2016.11.002
Abstract: Abstract Tungsten (W) will be used as material for plasma-facing components (PFCs) in the divertor of ITER and interact with Helium (He) ions either from initial He plasma operation or from Deuterium-Tritium (DT) fusion reactions… read more here.
Keywords: divertor manipulator; asdex upgrade; surface; manipulator asdex ... See more keywords
Comparing N versus Ne as divertor radiators in ASDEX-upgrade and ITER
Sign Up to like & getrecommendations! Published in 2019 at "Nuclear Materials and Energy"
DOI: 10.1016/j.nme.2019.02.019
Abstract: Abstract The study aims to estimate the influence of machine scale size on the behavior of plasma with extrinsic seeded impurities in the scrape-off layer (SOL) and divertor. This is performed through the comparison of… read more here.
Keywords: divertor; asdex upgrade; iter; comparing versus ... See more keywords
Assessment of particle and heat loads to the upper open divertor in ASDEX Upgrade in favourable and unfavourable toroidal magnetic field directions
Sign Up to like & getrecommendations! Published in 2019 at "Nuclear Materials and Energy"
DOI: 10.1016/j.nme.2019.03.024
Abstract: Abstract Pairs of ASDEX Upgrade L-mode discharges with the toroidal magnetic field, BT, in the forward and reverse directions have been used to study the impact of neoclassical drifts on the divertor plasma conditions and… read more here.
Keywords: field; toroidal magnetic; heat; heat flux ... See more keywords
Study of detachment in future ASDEX Upgrade alternative divertor configurations by means of EMC3-EIRENE
Sign Up to like & getrecommendations! Published in 2021 at "Nuclear materials and energy"
DOI: 10.1016/j.nme.2021.100950
Abstract: Abstract ASDEX Upgrade is preparing a hardware modification of its upper divertor in order to study alternative divertor configurations, like the X-divertor (XD) and the snowflake divertor (SF), that are discussed as a possible solution… read more here.
Keywords: alternative divertor; divertor configurations; divertor; asdex upgrade ... See more keywords
Electron runaway in ASDEX Upgrade experiments of varying core temperature
Sign Up to like & getrecommendations! Published in 2021 at "Journal of Plasma Physics"
DOI: 10.1017/s0022377821000416
Abstract: The formation of a substantial postdisruption runaway electron current in ASDEX Upgrade material injection experiments is determined by avalanche multiplication of a small seed population of runaway electrons. For the investigation of these scenarios, the… read more here.
Keywords: runaway current; asdex; asdex upgrade; temperature ... See more keywords
Modelling of nitrogen seeding experiments in the ASDEX Upgrade tokamak
Sign Up to like & getrecommendations! Published in 2018 at "Physics of Plasmas"
DOI: 10.1063/1.5019913
Abstract: Experiments using nitrogen were conducted in H-mode plasmas at ASDEX Upgrade that has a full-W wall. The edge region of H-mode plasmas is modulated by the edge-localized modes (ELMs) which lead to a loss of… read more here.
Keywords: seeding experiments; modelling nitrogen; asdex upgrade; transport ... See more keywords
Relativistic analysis of upper hybrid wave propagation and trapping
Sign Up to like & getrecommendations! Published in 2023 at "Physics of Plasmas"
DOI: 10.1063/5.0138249
Abstract: We investigate the impact of relativistic effects on upper hybrid (UH) waves in plasmas with thermal electrons, particularly focusing on modifications of the conditions under which UH wave trapping and related low-threshold parametric decay instabilities… read more here.
Keywords: theory; upper hybrid; asdex upgrade; electron ... See more keywords
I-mode studies at ASDEX Upgrade: L-I and I-H transitions, pedestal and confinement properties
Sign Up to like & getrecommendations! Published in 2017 at "Nuclear Fusion"
DOI: 10.1088/0029-5515/57/1/016004
Abstract: The I-mode is a plasma regime obtained when the usual L-H power threshold is high, e.g. with unfavourable ion direction. It is characterised by the development of a temperature pedestal while the density remains roughly… read more here.
Keywords: mode; asdex upgrade; power; power threshold ... See more keywords