Zobrazeno 1 - 10 of 35 pro vyhledávání: '"S S Denk"'
1
ECRad: An electron cyclotron radiation transport solver for advanced data analysis in thermal and non-thermal fusion plasmas
Autor: M. Willensdorfer, Stefan Kragh Nielsen, R. Fischer, Emanuele Poli, Morten Stejner, S. S. Denk, J. Juul Rasmussen, Omar Maj
Publikováno v: Computer Physics Communications
Denk, S S, Fischer, R, Poli, E, Maj, O, Nielsen, S K, Rasmussen, J, Stejner, M & Willensdorfer, M 2020, ' ECRad: An electron cyclotron radiation transport solver for advanced data analysis in thermal and non-thermal fusion plasmas ', Computer Physics Communications, vol. 253, 107175 . https://doi.org/10.1016/j.cpc.2020.107175
We present a code for the large-scale data analysis of electron cyclotron emission (ECE) measurements from magnetized plasmas called ECRad – the Electron Cyclotron Radiation transport model for Advanced Data analysis. Its key features are low compu
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::78fc67773ca12ef9a637be848be01b09
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2
Momentum-space-resolved measurements using oblique electron cyclotron emission for the validation of the quasi-linear theory of electron cyclotron current drive
Autor: S. S. Denk, J. Hobirk, T. Luda di Cortemiglia, M. Willensdorfer, U. Stroth, Stefan Kragh Nielsen, Morten Stejner, R. Fischer, J. Stober, Emanuele Poli, J. J. Rasmussen, Omar Maj, W. Suttrop, E. Westerhof
Publikováno v: Plasma Physics and Controlled Fusion, 63, 015003
Plasma Physics and Controlled Fusion
Denk, S S, Fischer, R, Westerhof, E, Luda Di Cortemiglia, T, Hobirk, J, Maj, O, Poli, E, Nielsen, S K, Rasmussen, J, Stejner, M, Stober, J, Stroth, U, Suttrop, W & Willensdorfer, M 2020, ' Momentum-space-resolved measurements using oblique electron cyclotron emission for the validation of the quasi-linear theory of electron cyclotron current drive ', Plasma Physics and Controlled Fusion, vol. 63, no. 1, 015003 . https://doi.org/10.1088/1361-6587/abc1bd
Electron cyclotron resonance heating (ECRH) can drive large current densities through electron cyclotron current drive (ECCD). ECCD is expected to be crucial for high-performance plasmas in future fusion reactors like ITER and DEMO, making the curren
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ba449a5faf741224ad125435b2053dce
https://www.differ.nl/bibcite/reference/8568
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3
Dynamics of ideal modes and subsequent ELM crashes in 3D tokamak geometry from external magnetic perturbations
Autor: F. Mink, E. Strumberger, W. Suttrop, M. Cavedon, Chris Hegna, M. Willensdorfer, M. Griener, A. Kirk, Matthias Hoelzl, F. Orain, R. Fischer, E. Seliunin, J. Galdon-Quiroga, T. B. Cote, H. Zohm, M. G. Dunne, N. Leuthold, S. S. Denk, M. Maraschek, Nengchao Wang, C. J. Ham, D. A. Ryan
Publikováno v: Plasma Physics and Controlled Fusion
The impact of three-dimensional (3D) tokamak geometry from external magnetic perturbations on edge instabilities has been examined in high confinement mode plasmas with edge localised modes (ELMs) in ASDEX Upgrade. The 3D geometry has been probed usi
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::685d61b531a6c9c603b5254a7cc576c6
http://hdl.handle.net/10281/354967
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4
Mode analysis limitations of ECE-I & ECE measurements at the plasma edge
Autor: Neville C. Luhmann, E. Wolfrum, M. Willensdorfer, S. S. Denk, R. Fischer, B. Vanovac, W. Suttrop
Publikováno v: EPJ Web of Conferences
EPJ Web of Conferences, Vol 203, p 02011 (2019)
Interpretation of the Electron Cyclotron Emission (ECE) and ECE Imaging (ECE-I) measurements concerning the measurement position and the radiation temperature (Trad) at the plasma edge is associated with significant uncertainty. Various limitations
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::810a5a79e18723295c357a5e06eec38f
https://hdl.handle.net/21.11116/0000-0003-3E0C-C21.11116/0000-0003-3E0E-A21.11116/0000-0003-4C05-3
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6
Observation of accelerated beam ion population during edge localized modes in the ASDEX Upgrade tokamak
Autor: Simon Freethy, M. Willensdorfer, M. Garcia-Munoz, E. Viezzer, L. Sanchis-Sanchez, J. Galdon-Quiroga, M. Nocente, A. S. Jacobsen, K. G. McClements, F. Orain, J. F. Rivero-Rodriguez, EUROfusion Mst Team, S. S. Denk, W. Suttrop, Mirko Salewski
Publikováno v: Galdon-Quiroga, J, Garcia-Munoz, M, McClements, K G, Nocente, M, Denk, S S, Freethy, S, Jacobsen, A S, Orain, F, Rivero-Rodriguez, J F, Salewski, M, Sanchis-Sanchez, L, Suttrop, W, Viezzer, E, Willensdorfer, M, ASDEX Upgrade Team & EUROfusion MST1 Team 2019, ' Observation of accelerated beam ion population during edge localized modes in the ASDEX Upgrade tokamak ', Nuclear Fusion, vol. 59, 066016 . https://doi.org/10.1088/1741-4326/ab1376
Nuclear Fusion
idUS. Depósito de Investigación de la Universidad de Sevilla
instname
Digital.CSIC. Repositorio Institucional del CSIC
The interaction between fast-ions and edge localized modes (ELMs) is investigated by means of fast-ion loss detector measurements. Fast-ion losses are increased during ELMs exhibiting a 3D filamentary-like behaviour. An accelerated beam ion populatio
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5c67f91f201df136550b0e726f5ced90
https://orbit.dtu.dk/en/publications/08cfe24c-821b-4cd7-b5dd-a9ef6653c320
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7
Advances in turbulence measurements using new Correlation ECE and nT-phase diagnostics at ASDEX Upgrade
Autor: Garrard Conway, S. S. Denk, A.J. Creely, Simon Freethy, Christian Koenen, Anne White, T. Happel, Pascale Henniquin, Tobias Görler
Publikováno v: 20th Joint Workshop on Electron Cyclotron Emission and Resonance Heating (EC-20)
20th Joint Workshop on Electron Cyclotron Emission and Resonance Heating (EC-20), May 2018, Greifswald, Germany
EPJ Web of Conferences, Vol 203, p 03001 (2019)
EPJ Web of Conferences
Guided by predictions from nonlinear gyrokinetic simulations, two new turbulence diagnostics were designed and installed at ASDEX Upgrade (AUG) to probe the fundamentals of ion-scale turbulent electron heat transport. The first, a 30-channel correlat
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d9586837fd8dee957c7ffec331d9374b
https://hal.archives-ouvertes.fr/hal-02346027
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8
Validation of gyrokinetic simulations with measurements of electron temperature fluctuations and density-temperature phase angles on ASDEX Upgrade
Autor: Simon Freethy, Alexander Creely, Christian Koenen, Pascale Hennequin, T. Happel, S. S. Denk, Tobias Görler, Anne White, G. D. Conway
Publikováno v: Physics of Plasmas
Physics of Plasmas, American Institute of Physics, 2018, 25 (5), pp.055903. ⟨10.1063/1.5018930⟩
International audience; Measurements of turbulent electron temperature fluctuation amplitudes, δTe⊥/Te, frequency spectra, and radial correlation lengths, Lr(Te⊥), have been performed at ASDEX Upgrade using a newly upgraded Correlation ECE diagn
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c0a0314e0b05a40b0b69866b593bca7b
https://hal.archives-ouvertes.fr/hal-01894814
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9
Effects of density gradients and fluctuations at the plasma edge on ECEI measurements at ASDEX Upgrade
Autor: S. S. Denk, M. Willensdorfer, G. Birkenmeier, A. Lessig, B. Vanovac, Matthias Hoelzl, E. Viezzer, Simon Freethy, Florian Laggner, E. Wolfrum, M. G. Dunne, F. Mink, Neville C. Luhmann
Publikováno v: idUS. Depósito de Investigación de la Universidad de Sevilla
instname
BASE-Bielefeld Academic Search Engine
Plasma Physics and Controlled Fusion
Plasma Physics and Controlled Fusion, 60(4):045002. Institute of Physics
Plasma Physics and Controlled Fusion, 60, 045002
Electron cyclotron emission imaging (ECEI) provides measurements of electron temperature (Te) and its fluctuations (δTe). However, when measuring at the plasma edge, in the steep gradient region, radiation transport effects must be taken into accoun
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2e0462f341b393a69368c1fb00b22ed4
https://doi.org/10.1088/1361-6587/aaa7ac
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