Publications of J. Knauer

Zhang, D.; Beurskens, M. N. A.; Alcuson, J. A.; Wurden, G.; Buttenschön, B.; Jablonski, S.; Kubkowska, M.; Langenberg, A.; Rahbarnia, K.; Reimold, F. et al.; Pavone, A.; Kwak, S.; Smith, H. M.; Beidler, C. D.; Bozhenkov, S. A.; Ford, O.; Biedermann, C.; Brunner, K. J.; Feng, Y.; Fuchert, G.; Gao, Y.; Geiger, J.; Höfel, U.; Hirsch, M.; Huang, Z.; Jakubowski, M.; Knauer, J.; Kornejew, P.; Kremeyer, T.; Krychowiak, M.; König, R.; Laqua, H. P.; Laube, R.; Naujoks, D.; Pablant, N.; Pasch, E.; Stechow, A. v.; Thomsen, H.; Wegner, T.; Weir, G.; Winters, V.; W7-X Team, Max Planck Institute for Plasma Physics, Max Planck Society: Compatibility of high-Z impurity accumulation with high plasma performance in ECR-heated W7-X plasmas. 48th EPS Conference on Plasma Physics, Virtual (submitted)

Brunner, K. J.; Knauer, J.; Meineke, J.; Cu Castillo, H. I.; Hirsch, M.; Kursinski, B.; Stern, M.; Wolf, R. C.; W7-X Team, Max Planck Institute for Plasma Physics, Max Planck Society: Comparison of phase errors for modulated dispersion interferometer evaluation methods. 4th European Conference on Plasma Diagnostics (ECPD 2021), Virtual (submitted)

Hirsch, M.; Bannmann, S.; Beurskens, M.; Biedermann, C.; Bozhenkov, S.; Brunner, K. J.; Chaudhary, N.; Ford, O.; Guerrero Arnaiz, J.; Fuchert, G. et al.; Höfel, U.; Koschinsky, J.-P.; Knauer, J.; Langenberg, A.; Lazerson, S.; Meinecke, J.; Moseev, D.; Oosterbeek, J.; Pasch, E.; Pavone, A.; Pölöskei, P.; Richert, T.; Steffen, M.; Stern, M.; Vano, L.; Wolf, R. C.; Zanini, M.; W7-X Team, Max Planck Institute for Plasma Physics, Max Planck Society: Core Diagnostics for WENDELSTEIN 7-X exploitation until 18 GJ. 4th European Conference on Plasma Diagnostics (ECPD 2021), Virtual (submitted)

Kwak, S.; Hergenhahn, U.; Höfel, U.; Krychowiak, M.; Pavone, A.; Svensson, J.; Ford, O.; König, R.; Bozhenkov, S.; Fuchert, G. et al.; Pasch, E.; Brunner, K. J.; Knauer, J.; Kornejew, P.; Trimino Mora, H.; Pedersen, T. S.; W7-X Team, Max Planck Institute for Plasma Physics, Max Planck Society: Gaussian process tomography of the effective ion charge Z_eff from multiple line-integrated bremsstrahlung spectra. 63rd Annual Meeting of the APS Division of Plasma Physics, Pittsburgh, PA (submitted)

Langenberg, A.; Pablant, N.; Marchuk, O.; Traverso, P.; Fuchert, G.; Bozhenkov, S.; Damm, H.; Pasch, E.; Brunner, K. J.; Knauer, J. et al.; Beurskens, M. N. A.; Burhenn, R.; Wolf, R. C.: Impurity Transport in Ion- and Electron-root Plasmas of Wendelstein 7-X. 28th IAEA Fusion Energy Conference (FEC 2020), Virtual (submitted)

Laqua, H.; Baldzuhn, J.; Braune, H.; Bozhenkov, S.; Brunner, K. J.; Hirsch, M.; Höfel, U.; Knauer, J.; Langenberg, A.; Marsen, S. et al.; Moseev, D.; Pablant, N.; Pasch, E.; Stange, T.; Wolf, R. C.; W7-X Team, Max Planck Institute for Plasma Physics, Max Planck Society: High-performance ECRH at W7-X: Experience and Perspectives. 28th IAEA Fusion Energy Conference (FEC 2020), Virtual (submitted)

Schilling, J.; Thomsen, H.; Brandt, C.; Rahbarnia, K.; Pasch, E.; Beurskens, M.; Bozhenkov, S.; Damm, H.; Fuchert, G.; Scott, E. et al.; Hirsch, M.; Chaudhary, N.; Ewert, K.; Höfel, U.; Oosterbeek, J. W.; Stange, T.; Weir, G.; Knauer, J.; Akiyama, T.; Brunner, K. J.; Andreeva, T.; Neuner, U.; Ford, O.; Kwak, S.; Pavone, A.; Svensson, J.; Zanini, M.; W7-X Team, Max Planck Institute for Plasma Physics, Max Planck Society: Experimental Survey of Plasma-Terminating Events in the Wendelstein 7-X Stellarator. DPG-Tagung der Sektion Materie und Kosmos (SMuK), Virtual (submitted)

Drews, P.; Dittmar, T.; Killer, C.; Winters, V.; Kirschner, A.; Brezinsek, S.; Xu, S.; Wang, E.; Jakubowski, M.; Grulke, O. et al.; Höschen, D.; Liang, Y.; Knieps, A.; Nicolai, D.; Neubauer, O.; Satheeswaran, G.; Brunner, K. J.; Knauer, J.; Sandri, N.; Hirsch, M.; Höfel, U.; W7-X Team, Max Planck Institute for Plasma Physics, Max Planck Society: Local methane and hydrogen injection into the scrape-off layer of W7-X by means of the Multi-Purpose Manipulator. 31st Symposium on Fusion Technology (SOFT 2020), Virtual Edition (submitted)

Fuchert, G.; Beurskens, M. N. A.; Brunner, K. J.; Bozhenkov, S.; Dinklage, A.; Hacker, P.; Hirsch, M.; Knauer, J.; Pasch, E.; Rahbarnia, K. et al.; Scott, E.; Zhang, D.; Warmer, F.; Wolf, R. C.: Energy confinement in W7-X, more than just a scaling law. 28th IAEA Fusion Energy Conference (FEC 2020), Virtual (submitted)

Geiger, J.; Andreeva, T.; Dinklage, A.; Hirsch, M.; Suzuki, Y.; Wurden, G.; Alonso, A.; Beidler, C. D.; Beurskens, M. N. A.; Bozhenkov, S. et al.; Brakel, R.; Brandt, C.; Brunner, K. J.; Burhenn, R.; Bykov, V.; Fuchert, G.; Grahl, M.; Grulke, O.; Höfel, U.; Jakubowski, M.; Klinger, T.; Knauer, J.; Kocsis, G.; Krämer-Flecken, A.; Langenberg, A.; Lazerson, S.; Neuner, U.; Nührenberg, C.; Pablant, N.; Rahbarnia, K.; Schilling, J.; Schmitt, J. C.; Thomsen, H.; Trier, E.; Vecsei, M.; Windisch, T.; Zhu, J.; Zoletnik, S.; W7-X Team, Max Planck Institute for Plasma Physics, Max Planck Society: Confinement and Equilibrium with Internal Islands in a Configuration Scan with Respect to IOTA in W7-X. 28th IAEA Fusion Energy Conference (FEC 2020), Virtual (submitted)

Kwak, S.; Höfel, U.; Pavone, A.; Svensson, J.; Ford, O.; Hergenhahn, U.; König, R.; Krychowiak, M.; Bozhenkov, S.; Fuchert, G. et al.; Pasch, E.; Brunner, K. J.; Knauer, J.; Kornejew, P.; Trimino Mora, H.; Pedersen, T. S.; W7-X Team, Max Planck Institute for Plasma Physics, Max Planck Society: Bayesian inference of Z_eff profiles from near-infrared multichannel bremsstrahlung spectrometer by using Gaussian processes at Wendelstein 7-X. 23rd Topical Conference on High Temperature Plasma Diagnostics (HTPD 2020), Virtual (submitted)

Lazerson, S.; Hartmann, D.; Ford, O.; Poloskei, P.; Spanier, A.; Vano, L.; Rust, N.; McNeely, P.; Äkäslompolo, S.; Ogawa, K. et al.; Drevlak, M.; Slaby, C.; Turkin, Y.; Bozhenkov, S.; Neelis, T.W. C.; Harder, N. d.; Heinemann, B.; Holtum, D.; Kraus, W.; Nocentini, R.; Orozco, G.; Riedl, R.; Hopf, C.; Knauer, J.; Brunner, K. J.; Hirsch, M.; Pasch, E.; Beurskens, M. N. A.; Damm, H.; Fuchert, G.; Nelde, P.; Scott, E.; Pablant, N.; Langenberg, A.; Ewert, K.; Traverso, P.; Valson, P.; Hergenhahn, U.; Pavone, A.; Rahbarnia, K.; Andreeva, T.; Schilling, J.; Brandt, C.; Neuner, U.; Thomsen, H.; Chaudhary, N.; Höfel, U.; Stange, T.; Weir, G.; Marushchenko, N.; Jakubowski, M.; Ali, A.; Gao, Y.; Niemann, H.; Puig Sitjes, A.; König, R.; Wolf, R. C.: First Neutral Beam Experiments on Wendelstein 7-X. 28th IAEA Fusion Energy Conference (FEC 2020), Virtual (submitted)

Zanini, M.; Laqua, H.; Stange, T.; Thomsen, H.; Brandt, C.; Braune, H.; Brunner, K. J.; Hirsch, M.; Höfel, U.; Knauer, J. et al.; Marsen, S.; Marushchenko, N.; Rahbarnia, K.; Schilling, J.; Turkin, Y.; Wolf, R. C.; Zocco, A.; W7-X Team, Max Planck Institute for Plasma Physics, Max Planck Society: Sawtooth Crash Dynamics During ECCD Operations at W7-X. 28th IAEA Fusion Energy Conference (FEC 2020), Virtual (submitted)

Brunner, K. J.; Knauer, J.; Meineke, J.; Kursinski, B.; Stern, M.; Trimino Mora, H.; Akiyama, T.; Kornejew, P.; Hirsch, M.; Laqua, H. et al.; Wolf, R. C.; W7-X Team, Max Planck Institute for Plasma Physics, Max Planck Society: Steady-State Dispersion Interferometry for Real-time Density Feedback in Fusion Devices. 3rd European Conference on Plasma Diagnostics (ECPD 2019), Lisbon (submitted)

Bussiahn, R.; Tamura, N.; McCarthy, K. J.; Beurskens, M.; Bozhenkov, S.; Damm, H.; Fuchert, G.; Pasch, E.; Edlund, E.; Porkolab, M. et al.; Huang, Z.; Böttger, L.-G.; Grulke, O.; Stechow, A. v.; Burhenn, R.; Buttenschön, B.; Brunner, K. J.; Knauer, J.; Langenberg, A.; Marchuk, O.; Pablant, N.; Chaudhary, N.; Hirsch, M.; Höfel, U.; Oosterbeek, J. W.; LHD Experiment Group; W7-X Team, Max Planck Institute for Plasma Physics, Max Planck Society: Impact of injecting different TESPEL-types on Wendelstein 7-X plasmas. 3rd European Conference on Plasma Diagnostics (ECPD 2019), Lisbon (submitted)

Geiger, B.; Wegner, T.; Angioni, C.; Beidler, C. D.; Burhenn, R.; Buttenschön, B.; Dux, R.; Langenberg, A.; Pablant, N. A.; Pütterich, T. et al.; Turkin, Y.; Windisch, T.; Winters, V.; Beurskens, M.; Biedermann, C.; Brunner, K. J.; Cseh, G.; Damm, H.; Effenberg, F.; Fuchert, G.; Grulke, O.; Harris, J. H.; Killer, C.; Knauer, J.; Kocsis, G.; Krämer-Flecken, A.; Kremeyer, T.; Krychowiak, M.; Marchuk, O.; Nicolai, D.; Rahbarnia, K.; Satheeswaran, G.; Schilling, J.; Schmitz, O.; Schröder, T.; Szepesi, T.; Thomsen, H.; Trimino Mora, H.; Traverso, P.; Zhang, D.; W7-X Team, Max Planck Institute for Plasma Physics, Max Planck Society: Observation of turbulent impurity transport in W7-X. 24th Joint US-EU Transport Task Force Meeting (TTF 2019), Austin, TX (submitted)

Knauer, J.; Brunner, K. J.; Meineke, J.; Kursinski, B.; Stern, M.; Akiyama, T.; Hirsch, M.; Laqua, H.; Wolf, R. C.; W7-X Team, Max Planck Institute for Plasma Physics, Max Planck Society: Comparison of Phase-extraction Methods of Dispersion Interferometers. 3rd European Conference on Plasma Diagnostics (ECPD 2019), Lisbon (submitted)

König, R.; Krychowiak, M.; Jakubowski, M.; Feng, Y.; Schmitz, O.; Effenberg, F.; Reimold, F.; Brezinsek, S.; Otte, M.; Anda, G. et al.; Barbui, T.; Biedermann, C.; Bozhenkov, S.; Drewelow, P.; Endler, M.; Ennis, D. A.; Ford, O.; Fuchert, G.; Gao, Y.; Gradic, D.; Hammond, K. C.; Harris, J.; Hirsch, M.; Knauer, J.; Kornejew, P.; Kocsis, G.; Kremeyer, T.; Niemann, H.; Pasch, E.; Perseo, V.; Rudischhauser, L.; Schlisio, G.; Puig Sitjes, A.; Pedersen, T. S.; Pisano, F.; Szepesi, T.; Wang, E.; Wauters, T.; Wenzel, U.; Winters, V.; Zhang, D.; Zoletnik, S.; W7-X Team, Max Planck Institute for Plasma Physics, Max Planck Society: Stable Completely Detached Plasma Operation in the First Island Divertor Experimental Campaign of Wendelstein 7-X. 46th EPS Conference on Plasma Physics, Milan (submitted)

Kremeyer, T.; Brunner, K. J.; Drewelow, P.; Knauer, J.; König, R.; Kornejew, P.; Krychowiak, M.; Schmitz, O.; Winters, V. R.; W7-X Team, Max Planck Institute for Plasma Physics, Max Planck Society: Neutral fueling and particle balance with the island divertor of Wendelstein 7-X. 22nd International Stellarator and Heliotron Workshop 2019 (ISHW 2019), Madison, WI (submitted)

Pavone, A.; Hergenhahn, U.; Krychowiak, M.; Winters, V.; Kornejew, P.; Koenig, R.; Svensson, J.; Kwak, S.; Hoefel, U.; Hirsch, M. et al.; Brunner, K.-J.; Fuchert, G.; Pasch, E.; Scott, E.; Knauer, J.; Beurskens, M.; Wolf, R.; W7-X Team, Max Planck Institute for Plasma Physics, Max Planck Society: Measurement and automatic Bayesian inference of the effective plasma charge Z_eff from visible Bremsstrahlung in W7-X. 3rd European Conference on Plasma Diagnostics (ECPD 2019), Lisbon (submitted)