Publikationen von P. Helander

Poster (101)

321.
Poster
Podavini, L.; Helander, P.; Plunk, G. G.; Zocco, A.: Validation of theoretical upper bounds of local gyrokinetic instabilities. 23rd International Stellarator and Heliotron Workshop (ISHW 2022), Warsaw (eingereicht)
322.
Poster
Zocco, A.; Podavini, L.; Garcia-Regana, J. M.; Barnes, M.; Parra, F. I.; Mishchenko, A.; Helander, P.: Gyrokinetic electrostatic turbulence close to marginality in Wendelstein 7-X. 23rd International Stellarator and Heliotron Workshop (ISHW 2022), Warsaw (eingereicht)
323.
Poster
Aleynikova, K.; Hudson, S. R.; Helander, P.; Gao, Y.; Geiger, J.; Loizu, J.; Nührenberg, C.; Thomsen, H.; Turkin, Y.; W7-X Team, Max Planck Institute for Plasma Physics, Max Planck Society: Taylor Relaxation in Wendelstein 7-X. 28th IAEA Fusion Energy Conference (FEC 2020), Virtual (eingereicht)
324.
Poster
Arnold, A.; Aleynikov, P.; Helander, P.: Self-similar expansion of a plasmoid supplied by pellet ablation. DPG-Tagung der Sektion Materie und Kosmos (SMuK), Virtual (eingereicht)
325.
Poster
Camacho Mata, K.; Plunk, G.; Helander, P.; Drevlak, M.: Analysis of optimal quasi-isodynamic stellarator magnetic equilibria using a direct construction approach. DPG-Tagung der Sektion Materie und Kosmos (SMuK), Virtual (eingereicht)
326.
Poster
Goodman, A.; Jorge, R.; Helander, P.; Henneberg, S.: Optimizing quasi-isodynamic stellarators. DPG-Frühjahrstagung der Fachverbände Physik der Hadronen und Kerne, Plasmaphysik und des Arbeitskreises Beschleunigerphysik , Mainz, Virtual (eingereicht)
327.
Poster
Paul, E. J.; Hudson, S. R.; Helander, P.: Heat transport as a measure of the effective non-integrable volume. 63rd Annual Meeting of the APS Division of Plasma Physics, Pittsburgh, PA (2021)
328.
Poster
Pechstein, G.; Helander, P.: Analytical investigation of heat conduction of plasmas in a magnetic field with an island. DPG-Frühjahrstagung der Fachverbände Physik der Hadronen und Kerne, Plasmaphysik und des Arbeitskreises Beschleunigerphysik , Mainz, Virtual (eingereicht)
329.
Poster
Pechstein, G.; Shanahan, B.; Helander, P.: Heat conduction simulation in plasmas with magnetic field lines of mixed topology. DPG-Tagung der Sektion Materie und Kosmos (SMuK), Virtual (eingereicht)
330.
Poster
Aleynikov, P.; Arnold, A.; Breizman, B.; Helander, P.; Kiramov, D.; Runov, A.; Turkin, Y.: Energy Balance during Pellet Assimilation. 28th IAEA Fusion Energy Conference (FEC 2020), Virtual (eingereicht)
331.
Poster
Tanaka, K.; Warmer, F.; Nunami, M.; Ohtani, Y.; Nakata, M.; Tsujimura, T.; Yoshinuma, M.; Takahashi, H.; Yanai, R.; Shimozuma, T. et al.; Yokoyama, M.; Seki, R.; Satake, S.; Sugama, H.; Tokuzawa, T.; Yasuhara, R.; Takemura, Y.; Funaba, H.; Yamada, I.; Ida, K.; Peterson, B.; Suzuki, Y.; Kubo, S.; Suzuki, C.; Osakabe, M.; Morisaki, T.; Yamada, H.; Xanthopoulos, P.; Helander, P.; Beidler, C. D.; Stange, T.; Smith, H.; Turkin, Y.; Brunner, K. J.; Stechow, A. v.; Geiger, J.; Pablant, N.; Langenberg, A.; Pasch, E.; Fuchert, G.; Bozhenkov, S.; Scott, E.; Wolf, R. C.; Plunk, G.; Zhang, D.: Magnetic Configuration Effects on Turbulence Driven Transport from LHD and W7-X Identical Experiments. 28th IAEA Fusion Energy Conference (FEC 2020), Virtual (eingereicht)
332.
Poster
Aleynikov, P.; Breizman, B. N.; Helander, P.; Runov, A.; Turkin, Y.: Pellet cloud expansion in hot plasmas. 46th EPS Conference on Plasma Physics, Milan (eingereicht)
333.
Poster
Helander, P.; Puranen, T.; Meriläinen, A.; Maconi, G.; Penttilä, A.; Gritsevich, M.; Kassamakov, I.; Salmi, A.; Muinonen, K.; Hæggström, E.: Optimizing Rotation Control in Acoustic Levitation. Physics Days 2019 (PD 2019), Helsinki (2019)
334.
Poster
Kennedy, D.; Mishchenko, A.; Helander, P.: Local gyrokinetic stability theory of plasmas of arbitrary degree of neutrality. DPG-Frühjahrstagung 2019 der Sektion Materie und Kosmos (SMuK), München (2019)
335.
Poster
Kennedy, D.; Mishchenko, A.; Xanthopoulos, P.; Helander, P.; Banon Navarro, A.; Görler, T.: Gyrokinetics of electron-positron plasmas in a magnetic Z-pinch: towards a turbulence free plasma? 46th EPS Conference on Plasma Physics, Milan (eingereicht)
336.
Poster
Newton, S. L.; Helander, P.; Mollen, A.; Smith, H. M.; Turkin, Y.: Impurity Transport and Plasma Flow in a Mixed Collisionality Stellarator Plasma. 26th IAEA Fusion Energy Conference (FEC 2016), Kyoto (2019)
337.
Poster
Plunk, G. G.; Landreman, M.; Helander, P.: Direct Constructions of Quasi-isodynamic Stellarators Using a Near-axis Expansion. 22nd International Stellarator and Heliotron Workshop 2019 (ISHW 2019), Madison, WI (eingereicht)
338.
Poster
Smith, H. M.; Beidler, C. D.; Turkin, Y.; Bozhenkov, S.; Ford, O.; Fuchert, G.; Geiger, J.; Helander, P.; Marushchenko, N.; Pablant, N. et al.; Pasch, E.; Stechow, A. v.; Pedersen, T. S.; Wolf, R.; W7-X Team, Max Planck Institute for Plasma Physics, Max Planck Society: Would the Wendelstein 7-X "record discharge" have been possible in other magnetic configurations? 22nd International Stellarator and Heliotron Workshop 2019 (ISHW 2019), Madison, WI (eingereicht)
339.
Poster
Aleynikova, K.; Zocco, A.; Xanthopoulos, P.; Helander, P.: Quantitative study of kinetic ballooning mode theory in magnetically confined toroidal plasmas. 45th EPS Conference on Plasma Physics, Prague (2018)
340.
Poster
Buller, S.; Smith, H. M.; Helander, P.; Mollen, A.; Newton, S. L.; Pusztai, I.: Collisional transport of heavy impurities with flux-surface density variation in stellarators. 45th EPS Conference on Plasma Physics, Prague (2018)
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