Search Results - "Effenberg, F."

Recent Improvements in the EMC3-Eirene Code by Feng, Y., Frerichs, H., Kobayashi, M., Bader, A., Effenberg, F., Harting, D., Hoelbe, H., Huang, J., Kawamura, G., Lore, J. D., Lunt, T., Reiter, D., Schmitz, O., Sharma, D.

“…The EMC3‐Eirene code is improved in many aspects. Ad hoc boundary conditions for intrinsic impurities at the SOL‐core interface are removed by implicitly…”
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First Observation of a Stable Highly Dissipative Divertor Plasma Regime on the Wendelstein 7-X Stellarator by Zhang, D, König, R, Feng, Y, Burhenn, R, Brezinsek, S, Jakubowski, M, Buttenschön, B, Niemann, H, Pavone, A, Krychowiak, M, Kwak, S, Svensson, J, Gao, Y, Pedersen, T S, Alonso, A, Baldzuhn, J, Beidler, C D, Biedermann, C, Bozhenkov, S, Brunner, K J, Damm, H, Hirsch, M, Giannone, L, Drewelow, P, Effenberg, F, Fuchert, G, Hammond, K C, Höfel, U, Killer, C, Knauer, J, Laqua, H P, Laube, R, Pablant, N, Pasch, E, Penzel, F, Rahbarnia, K, Reimold, F, Thomsen, H, Winters, V, Wagner, F, Klinger, T, W-X Team

“…For the first time, the optimized stellarator Wendelstein 7-X has operated with an island divertor. An operation regime in hydrogen was found in which the…”
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Validation of the ERO2.0 code using W7-X and JET experiments and predictions for ITER operation by Romazanov, J., Brezinsek, S., Baumann, C., Rode, S., Kirschner, A., Wang, E., Effenberg, F., Borodin, D., Navarro, M.X., Xie, H., Groth, M., Kumpulainen, H., Schmid, K., Pitts, R.A., Terra, A., Knieps, A., Gao, Y., Krychowiak, M., Pandey, A., Linsmeier, Ch

“…Abstract The paper provides an overview of recent modelling of global material erosion and deposition in the fusion devices Wendelstein 7-X (W7-X), JET and…”
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In-situ coating of silicon-rich films on tokamak plasma-facing components with real-time Si material injection by Effenberg, F., Abe, S., Sinclair, G., Abrams, T., Bortolon, A., Wampler, W.R., Laggner, F.M., Rudakov, D.L., Bykov, I., Lasnier, C.J., Mauzey, D., Nagy, A., Nazikian, R., Scotti, F., Wang, H.Q., Wilcox, R.S.

“…Abstract Experiments have been conducted in the DIII-D tokamak to explore the in-situ growth of silicon-rich layers as a potential technique for real-time…”
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Understanding the L-H isotope effect at the DIII-D tokamak and advancements in synthetic turbulence diagnostics by Callahan, K.J., Schmitz, L., Pratt, Q., Carter, T.A., Wang, G., Zhang, H., Holland, C., Haskey, S.R., Angulo, A., Bortolon, A., Effenberg, F., Belli, E.A., Chrystal, C., Thome, K.E., Ashourvan, A., Neiser, T., Knolker, M., Khabanov, F., Yan, Z., McKee, G.R., Chaban, R., Wilcox, R.S., Holm, A., Scotti, F., Truong, D., Gerrú, R.

“…Abstract It is determined that while heat flux differences between hydrogen and deuterium isotope experiments result from natural differences in carbon…”
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Initial design concepts for solid boron injection in ITER by Snipes, J.A., Baylor, L.R., Bortolon, A., Effenberg, F., Gilson, E.P., Loarte, A., Lunsford, R., Maingi, R., Meitner, S., Nespoli, F., Maruyama, S., Nagy, A., Sun, Z., Ulreich, J., Wauters, T.

“…•Novel approaches to solid boron injection in a harsh nuclear environment.•Proposal of boron gravitational injection or pneumatic gas injection.•Estimates to…”
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Overview of the plasma-surface interaction on limiter surfaces in the startup campaign of Wendelstein 7-X by Winters, V R, Brezinsek, S, Effenberg, F, Rasinski, M, Schmitz, O, Stephey, L, Biedermann, C, Dhard, C P, Frerichs, H, Harris, J, Krychowiak, M, König, R, Pedersen, T Sunn, Wurden, G A

“…The first operational campaign of Wendelstein 7-X (W7-X) provided an excellent environment for the study of plasma-surface interaction (PSI) in a stellarator…”
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First feedback-controlled divertor detachment in W7-X: Experience from TDU operation and prospects for operation with actively cooled divertor by Krychowiak, M., König, R., Barbui, T., Brezinsek, S., Brunner, J., Effenberg, F., Endler, M., Feng, Y., Flom, E., Gao, Y., Gradic, D., Hacker, P., Harris, J.H., Hirsch, M., Höfel, U., Jakubowski, M., Kornejew, P., Otte, M., Pandey, A., Pedersen, T.S., Puig, A., Reimold, F., Schmitz, O., Schröder, T., Winters, V., Zhang, D.

“…In the last experimental campaign (OP1.2b) of the stellarator Wendelstein 7-X (W7-X), boronisation as a mean for first wall conditioning was applied for the…”
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3D modeling of boron transport in DIII-D L-mode wall conditioning experiments by Effenberg, F., Bortolon, A., Frerichs, H., Grierson, B., Lore, J.D., Abrams, T., Evans, T.E., Feng, Y., Lunsford, R., Maingi, R., Nagy, A., Nazikian, R., Orlov, D., Ren, J., Rudakov, D.L., Wampler, W.R., Wang, H.Q.

“…DIII-D L-mode experiments with local boron powder injection for real-time wall conditioning have been interpreted for the first time with the 3D plasma edge…”
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Integrated modelling: Coupling of surface evolution and plasma-impurity transport by Schmid, K., Effenberg, F., Dinklage, A., Rudischhauser, L., Gao, Y., Mayer, M., Brezinsek, S., Geiger, J., Fuchert, G., Miklos, V., Smith, H., Turkin, Y., Rahbarnia, K., Stange, T., Ipp, K., Brunner, J., Neuner, U., Pavone, A., Hoefel, U., Ipp, H.

“…During the interaction of the scrape off layer (SOL) plasma with the first wall the evolution of both wall and plasma are tightly coupled: The erosion of the…”
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Investigation of 3D effects on heat fluxes in performance-optimized island divertor configurations at Wendelstein 7-X by Effenberg, F., Niemann, H., Feng, Y., Geiger, J., Schmitz, O., Suzuki, Y., Ali, A., Barbui, T., Brezinsek, S., Frerichs, H., Jakubowski, M., König, R., Krychowiak, M., Puig Sitjes, A., Schmitt, J.C., Sunn Pedersen, T.

“…•First island divertor operation shows strong effects of 3D island geometry on heat fluxes.•New high mirror configuration shows more even divertor heat load…”
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Upgrades of edge, divertor and scrape-off layer diagnostics of W7‐X for OP1.2 by 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. Sunn

“…•Summarizes the set of edge, divertor and scrape-off layer diagnostics of W7‐X during operation phase with uncooled divertor.•Indicates all performed upgrades…”
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In-situ coating of silicon-rich films on tokamak plasma-facing components with real-time Si material injection by Effenberg, F., Abe, S., Sinclair, G., Abrams, T., Bortolon, A., Wampler, W. R., Laggner, F. M., Rudakov, D. L., Bykov, I., Lasnier, C. J., Mauzey, D., Nagy, A., Nazikian, R., Scotti, F., Wang, H. Q., Wilcox, R. S.

“…Experiments have been conducted in the DIII-D tokamak to explore the in-situ growth of silicon-rich layers as a potential technique for real-time replenishment…”
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Investigation of 3D effects on heat fluxes in performance-optimized island divertor configurations at Wendelstein 7-X by Effenberg, F., Niemann, H., Feng, Y., Geiger, J., Schmitz, O., Suzuki, Y., Ali, A., Barbui, T., Brezinsek, S., Frerichs, H., Jakubowski, M., König, R., Krychowiak, M., Puig Sitjes, A., Schmitt, J. C., Sunn Pedersen, T.

“…Not provided…”
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Mobel, Holz und Zukunft by Effenberg, F

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