Charge exchange recombination spectroscopy at Wendelstein 7-X
| Autor: | W7-X Team, Ford, O. P., Vanó, L., Alonso, J. A., Baldzuhn, J., Beurskens, M. N. A., Biedermann, C., Bozhenkov, S. A., Fuchert, G., Geiger, B., Hartmann, D., Jaspers, R. J. E., Kappatou, A., Langenberg, A., Lazerson, S. A., McDermott, R. M., McNeely, P., Neelis, T. W. C., Pablant, N. A., Pasch, E., Rust, N., Schroeder, R., Scott, E. R., Smith, H. M., Wegner, Th., Kunkel, F., Wolf, R. C., Gantenbein, Gerd, Huber, Martina, Illy, Stefan, Jelonnek, John, Kobarg, Thorsten, Lang, Rouven, Leonhardt, Wolfgang, Mellein, Daniel, Papenfuß, Daniel, Scherer, Theo, Thumm, Manfred, Wadle, Simone, Weggen, Jörg |
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| Přispěvatelé: | Applied Physics and Science Education, Science and Technology of Nuclear Fusion, Sensorics for fusion reactors, W7-X Team, Max Planck Institute for Plasma Physics, Max Planck Society |
| Jazyk: | angličtina |
| Rok vydání: | 2020 |
| Předmět: |
010302 applied physics
Technology Materials science Plasma parameters Plasma 01 natural sciences 010305 fluids & plasmas Computational physics law.invention law Electric field 0103 physical sciences Physics::Accelerator Physics Emission spectrum Wendelstein 7-X Spectroscopy ddc:600 Instrumentation Stellarator Beam (structure) |
| Zdroj: | Review of Scientific Instruments, 91(2):023507. American Institute of Physics Review of Scientific Instruments Review of scientific instruments, 91 (2), Article: 023507 |
| ISSN: | 0034-6748 1089-7623 |
| Popis: | The Charge Exchange Recombination Spectroscopy (CXRS) diagnostic has become a routine diagnostic on almost all major high temperature fusion experimental devices. For the optimized stellarator Wendelstein 7-X (W7-X), a highly flexible and extensive CXRS diagnostic has been built to provide high-resolution local measurements of several important plasma parameters using the recently commissioned neutral beam heating. This paper outlines the design specifics of the W7-X CXRS system and gives examples of the initial results obtained, including typical ion temperature profiles for several common heating scenarios, toroidal flow and radial electric field derived from velocity measurements, beam attenuation via beam emission spectra, and normalized impurity density profiles under some typical plasma conditions. |
| Databáze: | OpenAIRE |
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