M
M. A. Ochando
Researcher at European Atomic Energy Community
Publications - 39
Citations - 1007
M. A. Ochando is an academic researcher from European Atomic Energy Community. The author has contributed to research in topics: Stellarator & Plasma. The author has an hindex of 16, co-authored 36 publications receiving 956 citations. Previous affiliations of M. A. Ochando include Complutense University of Madrid.
Papers
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Journal ArticleDOI
Sheared flows and transition to improved confinement regime in the TJ-II stellarator
T. Estrada,T. Happel,L.G. Eliseev,D. López-Bruna,Enrique Ascasibar,E. Blanco,L. Cupido,J. M. Fontdecaba,C. Hidalgo,R. Jiménez-Gómez,L. I. Krupnik,M. Liniers,M. E. Manso,Kieran J. McCarthy,F. Medina,A.V. Melnikov,B. van Milligen,M. A. Ochando,I. Pastor,M. A. Pedrosa,Francisco L. Tabarés,D. Tafalla,Tj-Ii Team +22 more
TL;DR: In this article, the radial origin and evolution of the edge velocity shear layer was studied in low-density ECH plasmas, where sheared flows can be easily controlled by changing the plasma density.
Journal ArticleDOI
First plasmas in the TJ-II flexible Heliac
C Alejaldre,J. A. Alonso,L Almoguera,Enrique Ascasibar,A. Baciero,R. Balbín,M Blaumoser,J. Botija,B. Brañas,E. de la Cal,A. Cappa,R. Carrasco,Francisco Castejón,J R Cepero,C Cremy,J Doncel,C Dulya,T. Estrada,A Fernández,M. Frances,C. Fuentes,A García,I. García-Cortés,J. Guasp,J Herranz,C. Hidalgo,J A Jiménez,I. Kirpitchev,V Krivenski,I Labrador,F. Lapayese,K Likin,M Liniers,A López-Fraguas,A. López-Sánchez,E. de la Luna,R Martín,Asunción Martínez Martínez,M. Medrano,P. Méndez,Kieran J. McCarthy,F. Medina,B. van Milligen,M. A. Ochando,L. Pacios,I Pastor,M. A. Pedrosa,A. de la Peña,A. Portas,J Qin,L Rodríguez-Rodrigo,A Salas,E. Sánchez,J. Sanchez,Francisco L. Tabarés,D. Tafalla,Victor Tribaldos,Jesús Vega,B. Zurro,D Akulina,O. I. Fedyanin,S Grebenshchicov,N. K. Kharchev,A. I. Meshcheryakov,R Barth,G van Dijk,H.J. van der Meiden,S. Petrov +67 more
TL;DR: The first experimental campaign of the TJ-II stellarator has been conducted using electron cyclotron resonance heating (, ) with a pulse length of. The flexibility of the device has been used to study five different configurations varying plasma volume and rotational transform as discussed by the authors.
Journal ArticleDOI
Confinement and stability on the TJ-II stellarator
Enrique Ascasibar,C Alejaldre,J. A. Alonso,L Almoguera,A. Baciero,R. Balbín,E. Blanco,M Blaumoser,J. Botija,B. Brañas,A. Cappa,R. Carrasco,Francisco Castejón,J R Cepero,A.A. Chmyga,J Doncel,N. B. Dreval,S Eguilior,L.G. Eliseev,T. Estrada,O. I. Fedyanin,Ángela Fernández,J M Fontdecaba,C. Fuentes,Angela Garcia,I. García-Cortés,B. Gonçalves,J. Guasp,J. Herranz,A. Hidalgo,C. Hidalgo,J.A. Jiménez,I. Kirpitchev,S. M. Khrebtov,A. D. Komarov,A. S. Kozachok,L. I. Krupnik,F. Lapayese,K. Likin,M. Liniers,D. López-Bruna,A. López-Fraguas,J. López-Razola,A. López-Sánchez,E. de la Luna,A. Malaquias,Romualdo Martín,M. Medrano,A.V. Melnikov,P. Méndez,Kieran J. McCarthy,F. Medina,B. van Milligen,I.S. Nedzelskiy,M. A. Ochando,L. Pacios,I. Pastor,M. A. Pedrosa,A. de la Peña,A. E. Petrov,S. Petrov,A. Portas,J.A. Romero,L Rodríguez-Rodrigo,A Salas,E. Sánchez,J. Sanchez,K. Sarksian,S. Schchepetov,Nina N. Skvortsova,Francisco L. Tabarés,D. Tafalla,Victor Tribaldos,C F A Varandas,Jesús Vega,B. Zurro +75 more
TL;DR: A series of experiments performed in TJ-II stellarator with the aim of studying the influence of magnetic configuration on stability and transport properties of TJII plasmas is described in this paper.
Journal ArticleDOI
Confinement transitions in TJ-II under Li-coated wall conditions
J. Sánchez,M. Acedo,Alberto Alonso,J. A. Alonso,P. Álvarez,Enrique Ascasibar,A. Baciero,R. Balbín,L. Barrera,E. Blanco,J. Botija,A. de Bustos,E. de la Cal,Ivan Calvo,A. Cappa,J. M. Carmona,D. Carralero,R. Carrasco,Benjamin A. Carreras,Francisco Castejón,R. Castro,G. Catalán,A.A. Chmyga,Marley Vanegas Chamorro,L.G. Eliseev,L. Esteban,T. Estrada,Ángela Fernández,R. Fernández-Gavilán,Jorge Ferreira,J. M. Fontdecaba,C. Fuentes,Luis Garcia,I. García-Cortés,R. García-Gómez,J. M. Garcia-Regana,J. Guasp,L. Guimarais,T. Happel,J. Hernanz,J. Herranz,C. Hidalgo,J.A. Jiménez,A. Jiménez-Denche,R. Jiménez-Gómez,D. Jiménez-Rey,I. Kirpitchev,A.D. Komarov,A. S. Kozachok,L. I. Krupnik,F. Lapayese,M. Liniers,D. López-Bruna,A. López-Fraguas,J. López-Razola,A. López-Sánchez,S. E. Lysenko,G. Marcon,F. Martín,V. Maurin,Kieran J. McCarthy,F. Medina,M. Medrano,A.V. Melnikov,P. Méndez,B. van Milligen,E. Mirones,I.S. Nedzelskiy,M. A. Ochando,J. Olivares,J.L. de Pablos,L. Pacios,I. Pastor,M. A. Pedrosa,A. de la Peña,A. Pereira,German Perez,D. Pérez-Risco,A. Petrov,S. Petrov,A. Portas,D. G. Pretty,David Rapisarda,G.A. Rattá,J. M. Reynolds,E. Rincón,L. Ríos,C. Rodríguez,J.A. Romero,A. Ros,A Salas,M. Sánchez,E. Sánchez,E. Sánchez-Sarabia,K. Sarksian,J.A. Sebastián,Carlos A. Silva,S. Schchepetov,Nina N. Skvortsova,E. R. Solano,A. Soleto,Francisco L. Tabarés,D. Tafalla,Alfonso Tarancón,Yu.I. Taschev,J. Tera,A. Tolkachev,Victor Tribaldos,V. I. Vargas,J. Vega,G. Velasco,José Luis Velasco,M. Weber,G. Wolfers,B. Zurro +114 more
TL;DR: In this paper, the authors present the latest results on confinement studies in the TJ-II stellarator and show that the inherently strong plasma-wall interaction of TJII has been successfully reduced after lithium coating by vacuum evaporation.
Journal ArticleDOI
Experimental evidence of significant temperature fluctuations in the plasma edge region of the TJ-I tokamak.
TL;DR: This result suggests the possible role of radiation in determining edge fluctuation levels and calls into question the determination of the density and potential fluctuations from the Langmuir current probe and floating potential fluctuations.