Zobrazeno 1 - 10
of 3 913
pro vyhledávání: '"Asdex Upgrade Team"'
Autor:
R. Ochoukov, R. Bilato, V. Bobkov, H. Faugel, A. Kappatou, P. Schneider, M. Weiland, M. Dreval, S. Sipilä, R. Dendy, T. Johnson, Ye Kazakov, K.G. McClements, D. Moseev, M. Salewski, ASDEX Upgrade Team, EUROfusion Tokamak Exploitation Team
Publikováno v:
Nuclear Fusion, Vol 64, Iss 12, p 126060 (2024)
The Doppler-shifted resonance condition for high frequency Alfvénic eigenmodes has been extensively studied on ASDEX Upgrade in the presence of one or a combination of two neutral beam injected (NBI) fast ion populations. In general, only centrally
Externí odkaz:
https://doaj.org/article/53497c0bdc9043628bc1197e5cc2ceb8
Autor:
R. Ochoukov, S. Sipilä, R. Bilato, V. Bobkov, M. Dreval, M. Weiland, R. Dendy, H. Faugel, T. Johnson, A. Kappatou, Y. Kazakov, K.G. McClements, D. Moseev, M. Salewski, P. Schneider, ASDEX Upgrade Team, EUROfusion MST1 Team
Publikováno v:
Nuclear Fusion, Vol 63, Iss 4, p 046001 (2023)
High frequency Alfvén eigenmodes in the ion cyclotron frequency range are actively researched on the ASDEX Upgrade tokamak (AUG). The general properties of this particular mode type are: ( a ) the mode is beam-driven and, if excited, can persist for
Externí odkaz:
https://doaj.org/article/68936e827d8d488aabbca18098fefb53
Autor:
M. Cavedon, R. Dux, T. Pütterich, E. Viezzer, E. Wolfrum, M. Dunne, E. Fable, R. Fischer, G.F. Harrer, F.M. Laggner, A.F. Mink, U. Plank, U. Stroth, M. Willensdorfer, ASDEX Upgrade Team
Publikováno v:
Nuclear Materials and Energy, Vol 18, Iss , Pp 275-280 (2019)
The access to fast measurements, i.e. Δt ≈ 100 µs, of the ions and the electrons during an entire edge localized cycle (ELM) reveals asymmetries in the recovery of the maximum edge gradients. Different magnetic fluctuations are found to correlate
Externí odkaz:
https://doaj.org/article/f656f3bb15bc43158bf040c9d50e321d
Autor:
T. Happel, T. Pütterich, D. Told, M. Dunne, R. Fischer, J. Hobirk, R.M. McDermott, U. Plank, ASDEX Upgrade Team the
Publikováno v:
Nuclear Fusion, Vol 63, Iss 1, p 016002 (2022)
An overview of results of negative triangularity (NT) studies from the ASDEX Upgrade tokamak (AUG) is given. Moderate values of the triangularity in the range of δ _average ≈ −0.2 have been obtained. Results from both unfavorable and favorable m
Externí odkaz:
https://doaj.org/article/3e51e87854454457afbf4f7e89c39930
Publikováno v:
Nuclear Materials and Energy, Vol 12, Iss , Pp 1146-1151 (2017)
SOLPS modeling of Ar seeding in ASDEX Upgrade H-mode plasma shows that the divertor compression of Ar increases with the seeding rate when the inner divertor is detached and the outer divertor is attached. This results from the redistribution of the
Externí odkaz:
https://doaj.org/article/baa2945784314c97ac40327efc4e3873
Publikováno v:
Nuclear Materials and Energy, Vol 12, Iss , Pp 216-220 (2017)
Understanding the heat transport in the scrape-off layer (SOL) and the divertor region is essential for the design of large fusion devices such as ITER and DEMO. Current scalings for the power fall-off length λq in H-Mode [1] are available only for
Externí odkaz:
https://doaj.org/article/cc87c759b6c44ab3afc195ac0224777d
Publikováno v:
Nuclear Materials and Energy, Vol 12, Iss , Pp 181-186 (2017)
An H-mode database of ASDEX Upgrade plasmas with improved diagnostics for a variety of different plasma conditions has been analysed to study the momentum removal in the Scrape-Off Layer (SOL). A strong reduction, up to a factor of 100, of the electr
Externí odkaz:
https://doaj.org/article/80feeb2969e24088984c46d041a11c7d
Autor:
G. Meisl, M. Oberkofler, A. Hakola, K. Krieger, K. Schmid, S.W. Lisgo, M. Mayer, A. Lahtinen, A. Drenik, S. Potzel, L. Aho-Mantila, ASDEX Upgrade Team
Publikováno v:
Nuclear Materials and Energy, Vol 12, Iss , Pp 51-59 (2017)
We have studied the retention of nitrogen in surfaces with varying roughness and the transport of nitrogen from the divertor to the outer midplane in experiments at the tokamak ASDEX Upgrade. To allow for a reliable identification of nitrogen retaine
Externí odkaz:
https://doaj.org/article/50324dba111f428baae3a45271cac886
Publikováno v:
Nuclear Materials and Energy, Vol 12, Iss , Pp 1152-1156 (2017)
During detachment a structure of strongly enhanced density develops close to the inner target. Its dynamics is approximated by those of radiative fluctuations appearing at a similar position and studied by means of a time-delay-estimation technique i
Externí odkaz:
https://doaj.org/article/17e75097163b4f7c9aad17b5d47608f7
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