Results 151 to 160 of about 90,764 (192)

Modeling of I-phase of ASDEX-upgrade

, 2013
Rozhansky, V., Kaveeva, E., Veselova, I., Voskoboynikov, S., Coster, D., Aho-Mantila, L., Barrera, L., Conway, G., Fischer, R., Scarabosio, A., Wolfrum, E.   +10 more
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ASDEX Upgrade. Montagefahrbahn

, 1987
Ennen, K., Lackner, E., Reese, W.H.
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Carbon migration at the divertor of ASDEX upgrade

, 2005
Rohde, V., Mayer, M., Likonen, J., Vainonen-Ahlgren, E.   +3 more
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Arcing in ASDEX‐Upgrade

Contributions to Plasma Physics, 1994
AbstractArc traces and luminous phenomena at the divertor tiles of ASDEX‐Upgrade were recorded, and experimentally modelled by artificially ignited arcs. At the graphite surfaces the arcs produced relatively immobile spots that were uniformly distributed in toroidal direction.
Juttner, B., Büchl, K., Weinlich, M.
openaire   +2 more sources

The tungsten experiment in ASDEX Upgrade

Journal of Nuclear Materials, 1997
Abstract Tungsten coated tiles, manufactured by plasma spray on graphite, were mounted in the divertor of the ASDEX Upgrade tokamak and cover almost 90% of the surface facing the plasma in the strike zone. Over 500 plasma discharges, among which around 300 were heated with heating powers up to 10 MW, were performed up to now. The tungsten flux in the
Rudolf Neu, Karl Krieger, F Mast
exaly   +3 more sources

ECRH experiments in ASDEX upgrade

Fusion Engineering and Design, 2001
Abstract Modulated Electron Cyclotron Resonance Heating was applied in ASDEX Upgrade to study the electron heat diffusivity χ e . Its dependence on the isotope mass was found to be opposite to that one known from the power balance analysis. Off-axis ECRH deposition leads to a reduced electron heat transport in the centre which cannot be explained ...
Leuterer, F., Gantenbein, G., Günter, S., Hobirk, J., Kirov, K., Ryter, F., Wolf, R., Zohm, H. ; https://orcid.org/0000-0002-8870-7806   +7 more
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The ECRH system of ASDEX Upgrade

Fusion Engineering and Design, 2001
Abstract The ECRH system of ASDEX Upgrade is now completed. Four gyrotrons generate a total Gaussian beam power of 2 MW/2 s at 140 GHz. The power is transmitted partly quasioptically and partly via corrugated HE-11 waveguides. The transmission line losses, determined calorimetrically, are about 12%.
F Leuterer, M Munich, A Chirkov
exaly   +3 more sources

ICRF system enhancements at ASDEX upgrade

Fusion Engineering and Design, 2001
The ion cyclotron range of frequency (ICRF) heating system at the tokamak ASDEX Upgrade has been in operation since 1991. It still continues to be modified in order to improve its efficiency, flexibility and reliability and to meet changing physics demands.
Jean-Marie Noterdaeme, Dirk Hartmann, F Wesner   +2 more
exaly   +4 more sources

Routes to divertor detachment in ASDEX Upgrade

Journal of Nuclear Materials, 1997
Abstract A simple analytic model of divertor radiation is used as a framework for identifying different routes to divertor detachment. Three means of achieving detachment are demonstrated experimentally including, increasing plasma density, purposely increasing the impurity level and increasing the scrape-off layer connection length.
Pitcher, C., Carlson, A., Fuchs, C., Herrmann, A., Suttrop, W., Schweinzer, J., Weinlich, M.   +6 more
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Particle exhaust studies in ASDEX Upgrade

Plasma Physics and Controlled Fusion, 1997
An experimental overview on pumping and particle exhaust studies for deuterium as well as for helium and neon in the ASDEX Upgrade divertor tokamak is presented. Strong turbomolecular pumps connected to the divertor region allow effective pumping of all these gases.
Bosch, H., Coster, D., Dux, R., Haas, G., Kallenbach, A., Kaufmann, M., Lackner, K., Neuhauser, J., De Pena Hempel, S., Poschenrieder, W., Schneider, R., ASDEX-Upgrade-Team, NI-Team, ICRH-Team, ECRH-Team   +14 more
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