Observation of continuous divertor detachment in H-mode discharges in ASDEX upgrade

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Observation of continuous divertor detachment in H-mode discharges in ASDEX upgrade

Gruber, O.; Kallenbach, A.; Kaufmann, M.; Lackner, K.; Mertens, V.; Neuhauser, J.; Ryter, F.; Zohm, H.; Bessenrodt-Weberpals, M.; Büchl, K.; Fiedler, S.; Field, A.; Fuchs, Ch.; Garcia-Rosales, C.; Haas, G.; Herrmann, A.; Herrmann, W.; Hirsch, S.; Köppendörfer, W.; Lang, P.; Lieder, G.; Mast, K. F.; Pitcher, C. S.; Schittenhelm, M.; Stober, J.; Suttrop, W.; Troppmann, M.; Weinlich, M.; Albrecht, M.; Alexander, M.; Asmussen, K.; Ballico, M.; Behler, K.; Behringer, K.; Bosch, H. S.; Brambilla, M.; Carlson, A.; Coster, D.; Cupido, L.; DeBlank, H. J.; De Pena Hempel, S.; Deschka, S.; Dorn, C.; Drube, R.; Dux, R.; Eberhagen, A.; Engelhardt, W.; Fahrbach, H. U.; Feist, H. U.; Fieg, D.; Fußmann, G.; Gehre, O.; Gernhardt, J.; Ignacz, P.; Jüttner, B.; Junker, W.; Kass, T.; Kiemer, K.; Kollotzek, H.; Kornherr, M.; Krieger, K.; Kurzan, B.; Lang, R.; Laux, M.; Manso, M. E.; Maraschek, M.; Mayer, H. M.; McCarthy, Patrick J.; Meisel, D.; Merkel, R.; Murmann, H.; Napiontek, B.; Naujoks, D.; Neu, G.; Neu, R.; Noterdaeme, J. M.; Pautasso, G.; Poschenrieder, W.; Raupp, G.; Richter, H.; Richter, T.; Röhr, H.; Roth, J.; Salmon, N.; Salzmann, H.; Sandmann, W.; Schilling, H. B.; Schneider, H.; Schneider, R.; Schneider, W.; Schönmann, K.; Schramm, G.; Schumacher, U.; Schweinzer, J.; Seidel, U.; Serra, F.; Silva, A.; Sokoll, M.; Speth, E.; Stäbler, A.; Steuer, K. H.; Streibl, B.; Treutterer, W.; Ulrich, M.; Varela, P.; Vernickel, H.; Vollmer, O.; Wedler, H.; Wenzel, U.; Wesner, F.; Wunderlich, R.; Zasche, D.; Zehrfeld, H. P.
Date: 1995
Copyright: © 1995, American Physical Society
Related: https://journals.aps.org/prl/abstract/10.1103/PhysRevLett.74.4217
Citation: Gruber, O., Kallenbach, A., Kaufmann, M., Lackner, K., Mertens, V., Neuhauser, J., Ryter, F., Zohm, H., Bessenrodt-Weberpals, M., Büchl, K., Fiedler, S., Field, A., Fuchs, C., Garcia-Rosales, C., Haas, G., Herrmann, A., Herrmann, W., Hirsch, S., Köppendörfer, W., Lang, P., Lieder, G., Mast, K. F., Pitcher, C. S., Schittenhelm, M., Stober, J., Suttrop, W., Troppmann, M., Weinlich, M., Albrecht, M., Alexander, M., Asmussen, K., Ballico, M., Behler, K., Behringer, K., Bosch, H. S., Brambilla, M., Carlson, A., Coster, D., Cupido, L., DeBlank, H. J., De Pena Hempel, S., Deschka, S., Dorn, C., Drube, R., Dux, R., Eberhagen, A., Engelhardt, W., Fahrbach, H. U., Feist, H. U., Fieg, D., Fußmann, G., Gehre, O., Gernhardt, J., Ignacz, P., Jüttner, B., Junker, W., Kass, T., Kiemer, K., Kollotzek, H., Kornherr, M., Krieger, K., Kurzan, B., Lang, R., Laux, M., Manso, M. E., Maraschek, M., Mayer, H. M., McCarthy, P. J., Meisel, D., Merkel, R., Murmann, H., Napiontek, B., Naujoks, D., Neu, G., Neu, R., Noterdaeme, J. M., Pautasso, G., Poschenrieder, W., Raupp, G., Richter, H., Richter, T., Röhr, H., Roth, J., Salmon, N., Salzmann, H., Sandmann, W., Schilling, H. B., Schneider, H., Schneider, R., Schneider, W., Schönmann, K., Schramm, G., Schumacher, U., Schweinzer, J., Seidel, U., Serra, F., Silva, A., Sokoll, M., Speth, E., Stäbler, A., Steuer, K. H., Streibl, B., Treutterer, W., Ulrich, M., Varela, P., Vernickel, H., Vollmer, O., Wedler, H., Wenzel, U., Wesner, F., Wunderlich, R., Zasche, D. and Zehrfeld, H. P. (1995) 'Observation of continuous divertor detachment in H-mode discharges in ASDEX upgrade', Physical Review Letters, 74(21), 4217-4220 (4pp). doi: 10.1103/PhysRevLett.74.4217
Published Version: 10.1103/PhysRevLett.74.4217

Abstract:

Feedback-controlled puffing of neon and deuterium has been applied to control the edge-localized-mode behavior and the target plate power deposition during high-power H-mode discharges in ASDEX Upgrade. A regime has been found in which more than 90% of the heating power is lost through radiation and divertor detachment occurs, without deterioration of the energy confinement. The plasma remains in the H mode, exhibiting small-amplitude, high-frequency ELM's, which do not penetrate to the target plates in the strike zone region.

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