J
J. S. Sarff
Researcher at University of Wisconsin-Madison
Publications - 183
Citations - 4202
J. S. Sarff is an academic researcher from University of Wisconsin-Madison. The author has contributed to research in topics: Reversed field pinch & Madison Symmetric Torus. The author has an hindex of 35, co-authored 180 publications receiving 4015 citations. Previous affiliations of J. S. Sarff include University of California, Los Angeles.
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Journal ArticleDOI
Self-organized helical equilibria as a new paradigm for ohmically heated fusion plasmas
Rita Lorenzini,Emilio Martines,P. Piovesan,David Terranova,P. Zanca,Matteo Zuin,Alberto Alfier,D. Bonfiglio,Federica Bonomo,Alessandra Canton,Susanna Cappello,L. Carraro,R. Cavazzana,Dominique Escande,Alessandro Fassina,Alessandro Fassina,Paolo Franz,M. Gobbin,P. Innocente,Lionello Marrelli,Roberto Pasqualotto,Maria Ester Puiatti,M. Spolaore,M. Valisa,N. Vianello,Piero Martin,Piero Martin,L. Apolloni,J. Adamek,Matteo Agostini,S.V. Annibaldi,V. Antoni,Fulvio Auriemma,Oliviero Barana,M. Baruzzo,Paolo Bettini,T. Bolzonella,M. Brombin,J. Brotankova,A. Buffa,P. Buratti,Mario Cavinato,B. E. Chapman,Giuseppe Chitarin,S. Dal Bello,A. De Lorenzi,G. De Masi,Alberto Ferro,Elena Gaio,E. Gazza,Leonardo Giudicotti,Francesco Gnesotto,Luca Grando,L. Guazzotto,S. C. Guo,V. Igochine,Yueqiang Liu,Adriano Luchetta,Gabriele Manduchi,Giuseppe Marchiori,Diego Marcuzzi,S. Martini,Karsten McCollam,F. Milani,M. Moresco,L. Novello,S. Ortolani,R. Paccagnella,Simone Peruzzo,R. Piovan,L. Piron,A. Pizzimenti,N. Pomaro,Italo Predebon,J.A. Reusch,G. Rostagni,Guglielmo Rubinacci,J. S. Sarff,F. Sattin,Paolo Scarin,G. Serianni,Piergiorgio Sonato,E. Spada,Anton Soppelsa,Silvia Spagnolo,Gianluca Spizzo,C. Taliercio,Vanni Toigo,Fabio Villone,Roscoe White,D. Yadikin,P. Zaccaria,A. Zamengo,Barbara Zaniol,L. Zanotto,Enrico Zilli,H. Zohm +96 more
TL;DR: In this paper, the evolution of a reversed-field-pinch plasma towards a self-organized single-helicity state suggests that instability problems, which have previously hindered the development of these devices, could now be overcome.
Journal ArticleDOI
Fluctuation and transport reduction in a reversed field pinch by inductive poloidal current drive
TL;DR: An auxiliary poloidal inductive electric field applied to a reserved field pinch plasma reduces the current density gradient, slows the growth of tearing fluctuations, suppresses their associated sawteeth, and doubles the energy confinement time.
Journal ArticleDOI
Overview of quasi-single helicity experiments in reversed field pinches
Piero Martin,Lionello Marrelli,Gianluca Spizzo,Paolo Franz,P. Piovesan,Italo Predebon,T. Bolzonella,Susanna Cappello,A. Cravotta,Dominique Escande,Lorenzo Frassinetti,S. Ortolani,R. Paccagnella,David Terranova,B. E. Chapman,Darren Craig,Stewart C. Prager,J. S. Sarff,Per Brunsell,Jenny-Ann Malmberg,James R. Drake,Yasuyuki Yagi,Haruhisa Koguchi,Yoichi Hirano,Roscoe White,Carl Sovinec,Chijin Xiao,R. A. Nebel,D. D. Schnack +28 more
TL;DR: The results of an experimental and theoretical international project dedicated to the study of quasi-single helicity (QSH) reversed field pinch (RFP) plasmas are reported in this paper.
Overview of quasi single helicity experiments in reversed field pinches
Piero Martin,L. Marrelli,Gianluca Spizzo,Paolo Franz,P. Piovesan,Italo Predebon,T. Bolzonella,Susanna Cappello,A. Cravotta,D. F. Escande,Lorenzo Frassinetti,S. Ortolani,R. Paccagnella,D. Terranova,B. E. Chapman,D. Craig,Stewart C. Prager,J. S. Sarff,Per Brunsell,J-A Malmberg,James R. Drake,Yasuyuki Yagi,H. Koguchi,Yoichi Hirano,Roscoe White,Carl Sovinec,Chijin Xiao,R. A. Nebel,Dalton D. Schnack +28 more
Journal ArticleDOI
Increased confinement and β by inductive poloidal current drive in the reversed field pinch
TL;DR: In this article, inductive poloidal current drive for current profile control in the Madison Symmetric Torus (MST) reversed field pinch, leading to reduced energy and particle transport.