Publications of T. Happel

Pinzon, J. R.; Happel, T.; Blanco, E.; Conway, G. D.; Estrada, T.; Stroth, U.: Enhanced Doppler reflectometry power response: physical optics and 2D full wave modelling. Plasma Physics and Controlled Fusion 59, 035005 (2017)

Prisiazhniuk, D.; Krämer-Flecken, A.; Conway, G. D.; Happel, T.; Lebschy, A.; Manz, P.; Nikolaeva, V.; Stroth, U.; ASDEX Upgrade Team, Max Planck Institute for Plasma Physics, Max Planck Society: Magnetic field pitch angle and perpendicular velocity measurements from multi-point time-delay estimation of poloidal correlation reflectometry. Plasma Physics and Controlled Fusion 59, 025013 (2017)

Ryter, F.; Fischer, R.; Fuchs, J. C.; Happel, T.; McDermott, R. M.; Viezzer, E.; Wolfrum, E.; Barrera Orte, L.; Bernert, M.; Burckhart, A. et al.; Graca, S. d.; Kurzan, B.; McCarthy, P.; Pütterich, T.; Suttrop, W.; Willensdorfer, M.; ASDEX Upgrade Team, Max Planck Institute for Plasma Physics, Max Planck Society: I-mode studies at ASDEX Upgrade: L-I and I-H transitions, pedestal and confinement properties. Nuclear Fusion 57, 016004 (2017)

Schneider, P. A.; Bustos, A.; Hennequin, P.; Ryter, F.; Bernert, M.; Cavedon, M.; Dunne, M.; Fischer, R.; Görler, T.; Happel, T. et al.; Igochine, V.; Kurzan, B.; Lebschy, A.; McDermott, R. M.; Morel, P.; Willensdorfer, M.; ASDEX Upgrade Team, Max Planck Institute for Plasma Physics, Max Planck Society; EUROfusion MST1 Team: Explaining the isotope effect on heat transport in L-mode with the collisional electron-ion energy exchange. Nuclear Fusion 57, 066003 (2017)

Banon Navarro, A.; Told, D.; Jenko, F.; Görler, T.; Happel, T.; ASDEX Upgrade Team, Max Planck Institute for Plasma Physics, Max Planck Society: Comparisons between global and local gyrokinetic simulations of an ASDEX Upgrade H-mode plasma. Physics of Plasmas 23, 042312 (2016)

Birkenmeier, G.; Cavedon, M.; Conway, G. D.; Manz, P.; Stroth, U.; Fischer, R.; Fuchert, G.; Happel, T.; Laggner, F.M.; Maraschek, M. et al.; Medvedeva, A.; Nikolaeva, V.; Prisiazhniuk, D.; Pütterich, T.; Ryter, F.; Shao, L. M.; Willensdorfer, M.; Wolfrum, E.; Zohm, H.; ASDEX Upgrade Team, Max Planck Institute for Plasma Physics, Max Planck Society: Magnetic structure and frequency scaling of limit-cycle oscillations close to L- to H-mode transitions. Nuclear Fusion 56, 086009 (2016)

Freethy, S.; Conway, G. D.; Classen, I.; Creely, A. J.; Happel, T.; Köhn, A.; Vanovac, B.; White, A. E.: Measurement of turbulent electron temperature fluctuations on the ASDEX Upgrade tokamak using correlated electron cyclotron emission. Review of Scientific Instruments 87, 11E102 (2016)

Happel, T.; Manz, P.; Ryter, F.; Hennequin, P.; Hetzenecker, A.; Conway, G. D.; Guimarais, L.; Honoré, C.; Stroth, U.; Viezzer, E. et al.; ASDEX Upgrade Team, Max Planck Institute for Plasma Physics, Max Planck Society: Turbulence intermittency linked to the weakly coherent mode in ASDEX Upgrade I-mode plasmas. Nuclear Fusion 56, 064004 (2016)

Hubbard, A. E.; Osborne, T.; Ryter, F.; Austin, M.; Barrera Orte, L.; Churchill, R. M.; Cziegler, I.; Fenstermacher, M.; Fischer, R.; Gerhardt, S. et al.; Groebner, R.; Gohil, P.; Happel, T.; Hughes, J. W.; Loarte, A.; Maingi, R.; Manz, P.; Marinoni, A.; Marmar, E. S.; McDermott, R. M.; McKee, G.; Rhodes, T. L.; Rice, J. E.; Schmitz, L.; Theiler, C.; Viezzer, E.; Walk, J. R.; White, A.; Whyte, D.; Wolfe, S.; Wolfrum, E.; Yan, Z.; Alcator C-Mod Team; ASDEX Upgrade Team, Max Planck Institute for Plasma Physics, Max Planck Society; DIII-D Team: Multi-device studies of pedestal physics and confinement in the I-mode regime. Nuclear Fusion 56, 086003 (2016)

Ryter, F.; Cavedon, M.; Happel, T.; McDermott, R. M.; Viezzer, E.; Conway, G. D.; Fischer, R.; Kurzan, B.; Pütterich, T.; Tardini, G. et al.; Willensdorfer, M.; ASDEX Upgrade Team, Max Planck Institute for Plasma Physics, Max Planck Society: L-H transition physics in hydrogen and deuterium: key role of the edge radial electric field and ion heat flux. Plasma Physics and Controlled Fusion 58, 014007 (2016)

Banon Navarro, A.; Happel, T.; Görler, T.; Jenko, F.; Abiteboul, J.; Bustos, A.; Doerk, H.; Told, D.; ASDEX Upgrade Team, Max Planck Institute for Plasma Physics, Max Planck Society: Gyrokinetic studies of core turbulence features in ASDEX Upgrade H-mode plasmas. Physics of Plasmas 22, 042513 (2015)

Conway, G.; Fietz, S.; Müller, H. W.; Lunt, T.; Simon, P.; Suttrop, W.; Maraschek, M.; Happel, T.; Viezzer, E.; ASDEX Upgrade Team, Max Planck Institute for Plasma Physics, Max Planck Society: Impact of magnetic perturbation coils on the edge radial electric field and turbulence in ASDEX Upgrade. Plasma Physics and Controlled Fusion 57, 014035 (2015)

Happel, T.; Banon Navarro, A.; Conway, G. D.; Angioni, C.; Bernert, M.; Dunne, M.; Fable, E.; Geiger, B.; Görler, T.; Jenko, F. et al.; McDermott, R.; Ryter, F.; Stroth, U.; ASDEX Upgrade Team, Max Planck Institute for Plasma Physics, Max Planck Society: Core turbulence behavior moving from ion-temperature-gradient regime towards trapped-electron-mode regime in the ASDEX Upgrade tokamak and comparison with gyrokinetic simulation. Physics of Plasmas 22, 032503 (2015)

Manz, P.; Lauber, P.; Nikolaeva, V. E.; Happel, T.; Ryter, F.; Birkenmeier, G.; Bogomolov, A.; Conway, G. D.; Manso, M. E.; Maraschek, M. et al.; Prisiazhniuk, D.; Viezzer, E.: Geodesic oscillations and the weakly coherent mode in the I-mode of ASDEX Upgrade. Nuclear Fusion 55, 083004 (2015)

Stroth, U.; Banon Navarro, A.; Conway, G. D.; Görler, T.; Happel, T.; Hennequin, P.; Lechte, C.; Manz, P.; Simon, P.; Biancalani, A. et al.; Blanco, E.; Bottereau, C.; Clairet, F.; Coda, S.; Eibert, T.; Estrada, T.; Fasoli, A.; Guimarais, L.; Gürcan, Ö.; Huang, Z.; Jenko, F.; Kasparek, W.; Koenen, C.; Krämer-Flecken, A.; Manso, M.E.; Medvedeva, A.; Molina, D.; Nikolaeva, V.; Plaum, B.; Porte, L.; Prisiazhniuk, D.; Ribeiro, T.; Scott, B. D.; Siart, U.; Storelli, A.; Vermare, L.; Wolf, S.; ASDEX Upgrade Team, Max Planck Institute for Plasma Physics, Max Planck Society: Experimental turbulence studies for gyro-kinetic code validation using advanced microwave diagnostics. Nuclear Fusion 55, 083027 (2015)

Banon Navarro, A.; Teaca, B.; Jenko, F.; Hammett, G. W.; Happel, T.; ASDEX Upgrade Team, Max Planck Institute for Plasma Physics, Max Planck Society: Applications of large eddy simulation methods to gyrokinetic turbulence. Physics of Plasmas 21, 032304 (2014)

Müller, H. W.; Carralero, D.; Birkenmeier, G.; Conway, G. D.; Fischer, R.; Happel, T.; Manz, P.; Suttrop, W.; Wolfrum, E.; ASDEX Upgrade Team, Max Planck Institute for Plasma Physics, Max Planck Society: Characterization of Scrape-off Layer Turbulence Changes Induced by a Non-axisymmetric Magnetic Perturbation in an ASDEX Upgrade Low Density L-mode. Contributions to Plasma Physics 54 (3), pp. 261 - 266 (2014)

Müller, S. H.; Conway, G. D.; Birkenmeier, G.; Carralero, D.; Happel, T.; Herrmann, A.; Manz, P.; Marné, P. d.; Mlynek, A.; Müller, H. W. et al.; Potzel, S.; Rohde, V.; Stroth, U.; Tsalas, M.; Tynan, G. R.; Wolfrum, E.; ASDEX Upgrade Team, Max Planck Institute for Plasma Physics, Max Planck Society: Direct observations of L-I-H and H-I-L transitions with the X-point reciprocating probe in ASDEX Upgrade. Physics of Plasmas 21, 042301 (2014)

Milligen, B. P. v.; Estrada, T.; Hidalgo, C.; Happel, T.; Ascasibar, E.: Spatiotemporal and wavenumber resolved bicoherence at hte low to high confinement transition in the TJ-II stellarator. Nuclear Fusion 53, 113034 (5pp) (2013)

Ryter, F.; Rathgeber, S. K.; Barrera Orte, L.; Bernert, M.; Conway, G. D.; Fischer, R.; Happel, T.; Kurzan, B.; McDermott, R. M.; Scarabosio, A. et al.; Suttrop, W.; Viezzer, E.; Willensdorfer, M.; Wolfrum, E.; ASDEX Upgrade Team: Survey of the H-mode power threshold and transition physics studies in ASDEX Upgrade. Nuclear Fusion 53, 113003 (12pp) (2013)