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Formation of Divertor Configuration and Measurement of Divertor Plasmas on QUEST
Formation of Divertor Configuration and Measurement of Divertor Plasmas on QUESTopenaire +1 more source
Characteristics of Divertor Pumping in the Closed Helical Divertor in LHD
Characteristics of Divertor Pumping in the Closed Helical Divertor in LHDopenaire
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Divertor parameters and divertor operation in ASDEX
Journal of Nuclear Materials, 1984Abstract Recent measurements of plasma boundary and divertor scrape-off parameters for ohmically and neutral injection heated plasmas are presented. For these data the power flow onto the divertor plates and the sputtering rates at the plates are calculated and compared with separate measurements. The impurity behaviour in front of the plates is also
O Vollmer, G Siller, J Gernhardt
exaly +4 more sources
An optimized upper divertor with divertor-coils to study enhanced divertor configurations in ASDEX Upgrade [PDF]
Fusion Engineering and Design, 2017 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 not be applicable for future fusion reactors.
Marco Wischmeier +2 more
exaly +3 more sources
R.H. divertor maintenance – the divertor refurbishment platform
Fusion Engineering and Design, 2000The ITER divertor assembly consists in 60 cassettes located in the bottom region of the vacuum vessel. Because of erosion and damage during, reactor operations, their replacement is expected to be required eight times during the machine lifetime. The cassettes will be withdrawn from the vessel through dedicated ducts and they will be transported to a ...
C Damiani +14 more
openaire +1 more source
Chemical Physics, 2012
Abstract The coupled dynamics and kinetics between gas and plasma in the divertor region is studied by means of a one-dimensional Particle in Cell-Direct Simulation Monte Carlo (PIC-DSMC) model. In particular, the collision-induced vibrational excitation/relaxation of H2 molecules and particle–surface interaction (vibrational relaxation and ...
F Taccogna +4 more
openaire +2 more sources
Abstract The coupled dynamics and kinetics between gas and plasma in the divertor region is studied by means of a one-dimensional Particle in Cell-Direct Simulation Monte Carlo (PIC-DSMC) model. In particular, the collision-induced vibrational excitation/relaxation of H2 molecules and particle–surface interaction (vibrational relaxation and ...
F Taccogna +4 more
openaire +2 more sources
Journal of Nuclear Materials, 1995
Abstract The ITER divertor must exhaust most of the alpha particle power and the He ash at acceptable erosion rates. The high recycling regime of the ITER-CDA for present parameters would yield high power loads and erosion rates on conventional targets. Improvement by radiation in the SOL at constant pressure is limited in principle.
Janeschitz, G. +7 more
openaire +2 more sources
Abstract The ITER divertor must exhaust most of the alpha particle power and the He ash at acceptable erosion rates. The high recycling regime of the ITER-CDA for present parameters would yield high power loads and erosion rates on conventional targets. Improvement by radiation in the SOL at constant pressure is limited in principle.
Janeschitz, G. +7 more
openaire +2 more sources
Physics Letters A, 1977
Abstract A concept for a helical divertor is proposed, which utilizes a resonance effect, and reduces the required divertor currents to a small fraction (typically 10 -2 ) of the plasma current. This divertor should have a larger screening efficiency than the poloidal field divertor, and could operate with divertor coils outside the vacuum vessel or ...
Karger, F., Lackner, K.
openaire +2 more sources
Abstract A concept for a helical divertor is proposed, which utilizes a resonance effect, and reduces the required divertor currents to a small fraction (typically 10 -2 ) of the plasma current. This divertor should have a larger screening efficiency than the poloidal field divertor, and could operate with divertor coils outside the vacuum vessel or ...
Karger, F., Lackner, K.
openaire +2 more sources
R.H. divertor maintenance — the divertor test platform
Fusion Engineering and Design, 2000The ITER divertor assembly consists in 60 cassettes located in the bottom region of the vacuum vessel. Because of erosion and damage, their replacement is expected to be required eight times during the machine lifetime. The cassettes will be remotely withdrawn from the vessel through dedicated ducts and they will be transported to a hot cell for ...
C Damiani +15 more
openaire +1 more source