Researcher Portfolio

Freundt, Stefan

Stellarator Edge and Divertor Physics (E4), Max Planck Institute for Plasma Physics, Max Planck Society, Stellarator Heating and Optimisation (E3), Max Planck Institute for Plasma Physics, Max Planck Society, W7-X: Engineering (EN), Max Planck Institute for Plasma Physics, Max Planck Society, W7-X: Magnets and Cryostat (MC), Max Planck Institute for Plasma Physics, Max Planck Society

Researcher Profile

Position: W7-X: Engineering (EN), Max Planck Institute for Plasma Physics, Max Planck Society

Position: W7-X: Magnets and Cryostat (MC), Max Planck Institute for Plasma Physics, Max Planck Society

Position: Stellarator Edge and Divertor Physics (E4), Max Planck Institute for Plasma Physics, Max Planck Society

Position: Stellarator Heating and Optimisation (E3), Max Planck Institute for Plasma Physics, Max Planck Society

Researcher ID: https://pure.mpg.de/cone/persons/resource/persons109113

External references

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Publications

(1 - 25 of 29)

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: Pandey, A., Bohm, S., Carls, A., Cordes, C., Endler, M., Fellinger, J., Freundt, S., Gallowski, K., Hammond, K., Hathiramani, D., Isberner, G., Kallmeyer, J. P., Krause, M., Kügler, J., Otte, M., Pedersen, T. S., Rondeshagen, D., Ruhnau, J., Schröder, T., Sieber, T., Wendorf, J., & W7-X Team, Max Planck Institute for Plasma Physics, Max Planck Society (2024). Pop-up Langmuir probe diagnostic in the water cooled divertor of Wendelstein 7-X. Review of Scientific Instruments, 95: 043503. doi:10.1063/5.0188738. [PubMan] : Pandey, A., Carls, A., Cordes, C., Endler, M., Fellinger, J., Freundt, S., Gallowski, K., Hammond, K. C., Hathiramani, D., Isberner, G., Kallmeyer, J. P., Klose, S., Krause, M., Kügler, J., Otte, M., Rondeshagen, D., Ruhnau, J., Pedersen, T. S., Sieber, T., Weller, J. P., Wendorf, J., & W7-X Team, Max Planck Institute for Plasma Physics, Max Planck Society (2023). Pop-up divertor Langmuir Probe diagnostic in the High Heat Flux (HHF) divertor of Wendelstein 7-X (W7-X). Poster presented at 65th Annual Meeting of the APS Division of Plasma Physics, Denver, CO. [PubMan] : Pedersen, T. S., Abramovic, I., Agostinetti, P., Agredano Torres, M., Äkäslompolo, S., Alcuson Belloso, J., Aleynikov, P., Aleynikova, K., Alhashimi, M., Ali, A., Allen, N., Alonso, A., Anda, G., Andreeva, T., Angioni, C., Arkhipov, A., Arnold, A., Asad, W., Ascasibar, E., Aumeunier, M.-H., Avramidis, K., Aymerich, E., Baek, S.-G., Bähner, J., Baillod, A., Balden, M., Baldzuhn, J., Ballinger, S., Banduch, M., Bannmann, S., Banon Navarro, A., Barbui, T., Beidler, C., Belafdil, C., Bencze, A., Benndorf, A., Beurskens, M., Biedermann, C., Biletskyi, O., Blackwell, B., Blatzheim, M., Bluhm, T., Böckenhoff, D., Bongiovi, G., Borchardt, M., Borodin, D., Boscary, J., Bosch, H.-S., Bosmann, T., Böswirth, B., Böttger, L., Bottino, A., Bozhenkov, S., Brakel, R., Brandt, C., Bräuer, T., Braune, H., Brezinsek, S., Brunner, K., Buller, S., Burhenn, R., Bussiahn, R., Buttenschön, B., Buzas, A., Bykov, V., Calvo, I., Camacho Mata, K., Caminal, I., Cannas, B., Cappa, A., Carls, A., Carovani, F., Carr, M., Carralero, D., Carvalho, B., Casas, J., Castano-Bardawil, D., Castejon, F., Chaudhary, N., Chelis, I., Chomiczewska, A., Coenen, J. W., Cole, M., Cordella, F., Corre, Y., Crombe, K., Cseh, G., Csillag, B., Damm, H., Day, C., Baar, M. d., De la Cal, E., Degenkolbe, S., Demby, A., Denk, S., Dhard, C., Di Siena, A., Dinklage, A., Dittmar, T., Dreval, M., Drevlak, M., Drewelow, P., Drews, P., Dunai, D., Edlund, E., Effenberg, F., Ehrke, G., Endler, M., Ennis, D. A., Escoto, F. J., Estrada, T., Fable, E., Fahrenkamp, N., Fanni, A., Faustin, J., Fellinger, J., Feng, Y., Figacz, W., Flom, E., Ford, O., Fornal, T., Frerichs, H., Freundt, S., Fuchert, G., Fukuyama, M., Füllenbach, F., Gantenbein, G., Gao, Y., Garcia, K., Garcia Regana, J. M., Garcia-Cortes, I., Gaspar, J., Gates, D. A., Geiger, J., Geiger, B., Giudicotti, L., Gonzalez, A., Goriaev, A., Gradic, D., Grahl, M., Graves, J. P., Green, J., Grelier, E., Greuner, H., Groß, S., Grote, H., Groth, M., Gruca, M., Grulke, O., Grün, M., Guerrero Arnaiz, J., Günter, S., Haak, V., Haas, M., Hacker, P., Hakola, A., Hallenbert, A., Hammond, K., Han, X., Hansen, S. K., Harris, J. H., Hartfuß, H., Hartmann, D., Hathiramani, D., Hatzky, R., Hawke, J., Hegedus, S., Hein, B., Heinemann, B., Helander, P., Henneberg, S., Hergenhahn, U., Hidalgo, C., Hindenlang, F., Hirsch, M., Höfel, U., Hollfeld, K. P., Holtz, A., Hopf, C., Höschen, D., Houry, M., Howard, J., Huang, X., Hubeny, M., Hudson, S., Ida, K., Igitkhanov, Y., Igochine, V., Illy, S., Ionita-Schrittwieser, C., Isobe, M., Jablczynska, M., Jablonski, S., Jagielski, B., Jakubowski, M., Jansen van Vuuren, A., Jelonnek, J., Jenko, F., Jensen, T., Jenzsch, H., Junghanns, P., Kaczmarczyk, J., Kallmeyer, J., Kamionka, U., Kandler, M., Kasilov, S., Kazakov, Y., Kennedy, D., Kharwandikar, A., Khokhlov, M., Kiefer, C., Killer, C., Kirschner, A., Kleiber, R., Klinger, T., Klose, S., Knauer, J., Knieps, A., Köchl, F., Kocsis, G., Kolesnichenko, Y. I., Könies, A., König, R., Kontula, J., Kornejew, P., Koschinsky, J., Kozulia, M. M., Krämer-Flecken, A., Krampitz, R., Krause, M., Krawczyk, N., Kremeyer, T., Krier, L., Kriete, D. M., Krychowiak, M., Ksiazek, I., Kubkowska, M., Kuczynski, M., Kühner, G., Kumar, A., Kurki-Suonio, T., Kwak, S., Landreman, M., Lang, P. T., Langenberg, A., Laqua, H. P., Laqua, H., Laube, R., Lazerson, S., Lewerentz, M., Li, C., Liang, Y., Linsmeier, C., Lion, J., Litnovsky, A., Liu, S., Lobsien, J., Loizu, J., Lore, J., Lorenz, A., Losada, U., Louche, F., Lunsford, R., Lutsenko, V., Machielsen, M., Mackel, F., Maisano-Brown, J., Maj, O., Makowski, D., Manduchi, G., Maragkoudakis, E., Marchuk, O., Marsen, S., Martines, E., Martinez-Fernandez, J., Marushchenko, N., Masuzaki, S., Maurer, D., Mayer, M., McCarthy, K. J., Mccormack, O., McNeely, P., Meister, H., Mendelevitch, B., Mendes, S., Merlo, A., Messian, A., Mielczarek, A., Mishchenko, O., Missal, B., Mitteau, R., Moiseenko, V. E., Mollen, A., Moncada, V., Mönnich, T., Morisaki, T., Moseev, D., Motojima, G., Mulas, S., Mulsow, M., Nagel, M., Naujoks, D., Naulin, V., Neelis, T., Neilson, H., Neu, R., Neubauer, O., Neuner, U., Nicolai, D., Nielsen, S. K., Niemann, H., Nishizawa, T., Nührenberg, C., Ochoukov, R., Oelmann, J., Offermanns, G., Ogawa, K., Okamura, S., Ölmanns, J., Ongena, J., Oosterbeek, J., Otte, M., Pablant, N., Panadero Alvarez, N., Pandey, A., Pasch, E., Pavlichenko, R., Pavone, A., Pawelec, E., Pechstein, G., Pelka, G., Perseo, V., Peterson, B., Pilopp, D., Pingel, S., Pisano, F., Plöckl, B., Plunk, G., Pölöskei, P., Pompe, B., Popov, A., Porkolab, M., Proll, J., Pueschel, M. J., Puiatti, M.-E., Puig Sitjes, A., Purps, F., Rahbarnia, K., Rasinski, M., Rasmussen, J., Reiman, A., Reimold, F., Reisner, M., Reiter, D., Richou, M., Riedl, R., Riemann, H., Riße, K., Roberg-Clark, G., Rohde, V., Romazanov, J., Rondeshagen, D., Rong, P., Rudischhauser, L., Rummel, T., Rummel, K., Runov, A., Rust, N., Ryc, L., Salembier, P., Salewski, M., Sanchez, E., Satake, S., Satheeswaran, G., Schacht, J., Scharff, E., Schauer, F., Schilling, J., Schlisio, G., Schmid, K., Schmitt, J., Schmitz, O., Schneider, W., Schneider, M., Schneider, P., Schrittwieser, R., Schröder, T., Schröder, M., Schroeder, R., Schweer, B., Schwörer, D., Scott, E., Shanahan, B., Sias, G., Sichta, P., Singer, M., Sinha, P., Sipliä, S., Slaby, C., Sleczka, M., Smith, H., Smoniewski, J., Sonnendrücker, E., Spolaore, M., Spring, A., Stadler, R., Stanczak, D., Stange, T., Stepanov, I., Stephey, L., Stober, J., Stroth, U., Strumberger, E., Suzuki, C., Suzuki, Y., Svensson, J., Szabolics, T., Szepesi, T., Szücs, M., Tabares, F. L., Tamura, N., Tancetti, A., Tantos, C., Terry, J., Thienpondt, H., Thomsen, H., Thumm, M., Travere, J. M., Traverso, P., Tretter, J., Trier, E., Trimino Mora, H., Tsujimura, T., Turkin, Y., Tykhyi, A., Unterberg, B., Eeten, P. v., Milligen, B. P. v., Schoor, M. v., Vano, L., Varoutis, S., Vecsei, M., Vela, L., Velasco, J. L., Vervier, M., Vianello, N., Viebke, H., Vilbrandt, R., Vogel, G., Vogt, N., Volkhausen, C., Stechow, A. v., Wagner, F., Wang, E., Wang, H., Warmer, F., Wauters, T., Wegener, L., Wegner, T., Weir, G., Wenzel, U., White, A., Wilde, F., Wilms, F., Windisch, T., Winkler, M., Winter, A., Winters, V., Wolf, R., Wright, A. M., Wurden, G. A., Xanthopoulos, P., Xu, S., Yamada, H., Yamaguchi, H., Yokoyama, M., Yoshinuma, M., Yu, Q., Zamanov, M., Zanini, M., Zarnstorff, M., Zhang, D., Zhou, S., Zhu, J., Zhu, C., Zilker, M., Zocco, A., Zohm, H., Zoletnik, S., & Zsuga, L. (2022). Experimental confirmation of efficient island divertor operation and successful neoclassical transport optimization in Wendelstein 7-X. Nuclear Fusion, 62: 042022. doi:10.1088/1741-4326/ac2cf5. [PubMan] : Wurden, G. A., Andreeva, T., Ballinger, S., Bozhenkov, S., Brandt, C., Buttenschoen, B., Damm, H., Freundt, S., Hammond, K., Hirsch, M., Killer, C., Krychowiak, M., Neuner, U., Rahbarnia, K., Thomsen, H., Kraemer-Flecken, A., Kocsis, G., Szepesi, T., Zoletnik, S., Winters, V., Lazerson, S., & W7-X Team, Max Planck Institute for Plasma Physics, Max Planck Society (2019). Structure of island localized modes in Wendelstein 7-X. Poster presented at 46th EPS Conference on Plasma Physics, Milan. [PubMan] : Wurden, G. A., Andreeva, T., Ballinger, S., Bozhenkov, S., Brandt, C., Buttenschoen, B., Damm, H., Endler, M., Freundt, S., Geiger, J., Hammond, K., Hirsch, M., Höfel, U., Killer, C., Kocsis, G., Kornejew, P., Krämer-Flecken, A., Krychowiak, M., Lazerson, S., Rahbarnia, K., Schilling, J., Szepesi, T., Thomsen, H., Winters, V., Zoletnik, S., & W7-X Team, Max Planck Institute for Plasma Physics, Max Planck Society (2019). Structure of island localized modes in Wendelstein 7-X. In C. Riconda, S. Brezinsek, K. McCarty, K. Lancaster, D. Burgess, & P. Brault (Eds.), 46th EPS Conference on Plasma Physics. Geneva: European Physical Society. [PubMan] : Wurden, G. A., Bozhenkov, S., Brandt, C., Buttenschön, B., Endler, M., Freundt, S., Hammond, K., Hirsch, M., Hoefel, U., Kocsis, G., Kornejew, P., Krychowiak, M., Lazerson, S., Rahbarnia, K., Rudischhauser, L., Szepesi, T., Winters, V., & W7-X Team, Max Planck Institute for Plasma Physics, Max Planck Society (2018). Quasi-continuous low frequency edge fluctuations in the W7-X stellarator. Poster presented at 45th EPS Conference on Plasma Physics, Prague. [PubMan] : Hammond, K. C., Biermann, J., Endler, M., Fellinger, J., Freundt, S., Gottong, F., Klose, S., Krause, M., Kügler, J., Rudischhauser, L., Wendorf, J., & W7-X Team, Max Planck Institute for Plasma Physics, Max Planck Society (2018). Development of a pop-up Langmuir probe array for the W7-X high-heat-flux divertor. Poster presented at 45th EPS Conference on Plasma Physics, Prague. [PubMan] : Hammond, K. C., Biermann, J., Endler, M., Fellinger, J., Freundt, S., Gottong, F., Hathiramani, D., Klose, S., Krause, M., Kügler, J., Liesenberg, K., Rudischhauser, L., Rummel, K., Sieber, T., Wendorf, J., & W7-X Team, Max Planck Institute for Plasma Physics, Max Planck Society (2018). Development of a pop-up Langmuir probe array for the W7-X high-heat-flux divertor. In 45th EPS Conference on Plasma Physics. Geneva: European Physical Society. [PubMan] : Wurden, G. A., Ballinger, S., Bozhenkov, S., Brandt, C., Buttenschön, B., Endler, M., Freundt, S., Hammond, K., Hirsch, M., Hoefel, U., Killer, C., Kocsis, G., Kornejew, P., Krychowiak, M., Lazerson, S., Rahbarnia, K., Szepesi, T., Windisch, T., Winters, V., & W7-X Team, Max Planck Institute for Plasma Physics, Max Planck Society (2018). Quasi-continuous low frequency edge fluctuations in the W7-X stellarator. In 45th EPS Conference on Plasma Physics. Geneva: European Physical Society. [PubMan] : Hathiramani, D., Ali, A., Anda, G., Barbui, T., Biedermann, C., Charl, A., Chauvin, D., Czymek, G., Dhard, C. P., Drewelow, P., Dudek, A., Effenberg, F., Ehrke, G., Endler, M., Ennis, D. A., Fellinger, J., Ford, O., Freundt, S., Gradic, D., Grosser, K., Harris, J., Hölbe, H., Jakubowski, M. W., Knaup, M., Kocsis, G., König, R., Krause, M., Kremeyer, T., Kornejew, P., Krychowiak, M., Lambertz, H. T., Jenzsch, H., Mayer, M., Mohr, S., Neubauer, O., Otte, M., Perseo, V., Pilopp, D., Rudischhauser, L., Schmitz, O., Schweer, B., Schülke, M., Stephey, L., Szepesi, T., Terra, A., Toth, M., Wenzel, U., Wurden, G. A., Zoletnik, S., Pedersen, T. S., & W7-X Team, Max Planck Institute for Plasma Physics, Max Planck Society (2018). Upgrades of edge, divertor and scrape-off layer diagnostics of W7‐X for OP1.2. Fusion Engineering and Design, 136, Pt. A, 304-308. doi:10.1016/j.fusengdes.2018.02.013. [PubMan] : Hathiramani, D., Freundt, S., Mohr, S., Grosser, K., Chauvin, D., Pilopp, D., Ehrke, G., Jenzsch, H., Kornejew, P., Jakubowski, M. W., Rudischhauser, L., Perseo, V., Krause, M., Ali, A., Biedermann, C., Drewelow, P., Endler, M., Fellinger, J., Krychowiak, M., König, R., Kocsis, G., Szepesi, T., Otte, M., Wenzel, U., Wurden, G. A., Anda, G., Zoletnik, S., Pedersen, T. S., & W7-X Team, Max Planck Institute for Plasma Physics, Max Planck Society (2017). Upgrades of Edge, Divertor and Scrape-Off Layer Diagnostics of W7-X for OP1.2. Poster presented at 13th International Symposium on Fusion Nuclear Technology (ISFNT-13), Kyoto. [PubMan] : Klose, S., Freundt, S., Hathiramani, D., Laux, M., Endler, M., König, R., Pedersen, T. S., & W7-X Team, Max Planck Institute for Plasma Physics, Max Planck Society (2016). Design and Results of the Limiter Langmuir Probe Diagnostics of W7-X. Poster presented at 43rd EPS Conference on Plasma Physics, Leuven. [PubMan] : Riße, K., Rummel, T., Freundt, S., Dudek, A., Renard, S., Bykov, V., Köppen, M., Langish, S., Neilson, G. H., Brown, T., Chrzanowski, J., Mardenfeld, M., Malinowski, F., Khodak, A., Zhao, X., & Eksaa, G. (2013). Design and manufacturing status of trim coils for the Wendelstein 7-X stellarator experiment. Fusion Engineering and Design, 88(9-10), 1518-1522. doi:10.1016/j.fusengdes.2013.02.045. [PubMan] : Freundt, S., Dudek, A., Köppen, M., Bykov, V., Egorov, K., Fellinger, J., & Riße, K. (2013). FE analyses and tests in support of Wendelstein 7-X trim coil development. Fusion Engineering and Design, 88(9-10), 1589-1592. doi:10.1016/j.fusengdes.2013.02.031. [PubMan] : Nagel, M., Freundt, S., & Posselt, H. (2011). Thermal and mechanical analysis of Wendelstein 7-X thermal shield. Fusion Engineering and Design, 86(9-11), 1830-1833. doi:10.1016/j.fusengdes.2011.01.017. [PubMan] : Fellinger, J., Freundt, S., Hathiramani, D., Bykov, V., & Schauer, F. (2011). Dynamic response analysis of superconducting coils in Wendelstein 7-X and mechanical quench test. Fusion Engineering and Design, 86(6-8), 1385-1388. doi:10.1016/j.fusengdes.2011.01.016. [PubMan] : Riße, K., Kisslinger, J., Freundt, S., Köppen, M., & Klingner, M. (2011). Purpose and design of trim coils for the Wendelstein 7-X stellarator experiment. In 24th IEEE/NPSS Symposium on Fusion Engineering (SOFE). New York, NY: IEEE. [PubMan] : Bykov, V., Schauer, F., Egorov, K., van Eeten, P., Fellinger, J., Sochor, M., Jaksic, N., Tereshchenko, A., Dübner, A., Dudek, A., Zacharias, D., Hathiramani, D., Czarkowski, P., Yang, Q., Bergmann, T., & Freundt, S. (2011). Structural analysis of W7-X: From design to assembly and operation. Fusion Engineering and Design, 86(6-8), 645-650. doi:10.1016/j.fusengdes.2011.01.019. [PubMan] : Dänner, W., Hathiramani, D., Schauer, F., & Freundt, S. (2010). Cryogenic Materials Data Base for the W7-X Magnet System. Cryogenics, 50(11-12), 728-736. doi:10.1016/j.cryogenics.2010.07.006. [PubMan] : Hathiramani, D., Bergmann, T., Bykov, V., Chen, P., Dänner, W., Dudek, A., Fellinger, J., Freundt, S., Genini, L., Höchel, K., Kallmeyer, J., Lingertat, J., Viebke, H., Weber, S., & Schauer, F. (2010). Stability Test of a Superconducting W7-X Coil with Respect to Mechanical Disturbances. IEEE Transactions on Applied Superconductivity, 20(3), 543-546. doi:10.1109/TASC.2010.2040155. [PubMan] : Riße, K., Dudek, A., Freundt, S., Renard, S., Rummel, T., Brown, T., Chrzanowski, J., Khodak, A., Langish, S., Mardenfeld, M., Neilson, G. H., Eksaa, G., Hartman, D., & Naumovich, G. (2012). Design and manufacturing status of trim coils for the Wendelstein 7-X stellarator experiment. Poster presented at 27th Symposium on Fusion Technology (SOFT 2012), Liège. [PubMan] : Fellinger, J., Bergmann, T., Freundt, S., Hathiramani, D., Bykov, V., & Schauer, F. (2010). Dynamic response analysis of superconducting coils in Wendelstein 7-X, and mechanical quench test. Poster presented at 26th Symposium on Fusion Technology (SOFT 2010), Porto. [PubMan] : Nagel, M., Freundt, S., & Posselt, H. (2010). Thermal and Mechanical Analysis of Wendelstein 7-X Thermal Shield. Poster presented at 26th Symposium on Fusion Technology (SOFT 2010), Porto. [PubMan] : Egorov, K., Schauer, F., Dudek, A., Freundt, S., & Bykov, V. (2011). Building Block Support Structure for Helias Stellarator Reactors. Poster presented at 38th IEEE International Conference on Plasma Science (ICOPS) and 24th Symposium on Fusion Engineering (SOFE), Chicago, IL. [PubMan] : Riße, K., Kisslinger, J., Freundt, S., Köppen, M., & Klingner, M. (2011). Purpose and design of trim coils for the Wendelstein 7-X stellarator experiment. Poster presented at 38th IEEE International Conference on Plasma Science (ICOPS) and 24th Symposium on Fusion Engineering (SOFE), Chicago, IL. [PubMan]