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Overview of recent TJ-II stellarator results

Autor: Ascasíbar, Enrique, Alba, D., Alegre, Daniel, Alonso, Arturo, Alonso, Javier A., De Aragón, Fernando, Baciero, Alfonso, Barcala, José M., Blanco, Emilio, Botija, José, Bueno, L., Cabrera, Santiago, De la Cal, Eduardo, Calvo, Iván, Cappa, Álvaro, Carralero, D., Carrasco, Ricardo, Carreras, Benjamin, Castejón Magaña, Francisco M., Castro, Rodrigo, De Castro, Alfonso, Catalán, G., Chmyga, A.A., Chamorro, M., Cooper, A.W., Dinklage, Andreas, Eliseev, Leonid G., Estrada, Teresa, Ezzat, M., Fernández-Marina, F., Fontdecaba, Josep M., García, Luis M., García-Cortés, Isabel, García-Gómez, R., García-Regaña, José M., González-Jerez, A., Grenfell, G., Guasp, José, Hernández-Sánchez, J., Hernanz, J., Hidalgo, Carlos, Hollmann, Eric M., Jiménez-Denche, A., Khabanov, Philipp O., Kharchev, Nikolai K., Kirpitchev, Igor, Kleiber, Ralf, Kozachek, Alexander S., Krupnik, Lyudmyla I., Lapayese, Fernando, Liniers, Macarena, Liu, Bing, López-Bruna, D., López-Fraguas, Antonio, López-Miranda, B., López-Rázola, J., Losada, Ulises, De la Luna, Elena, Martín de Aguilera, A., Martín-Díaz, F., Martínez-Fuentes, Marco A., Martín-Gómez, G., Martín-Rojo, A.B., Martínez-Fernández, José, Medina, Francisco L., Medrano, Mercedes, Melón, L., Melnikov, Alexander V., Méndez, Purificación, Merino, R., Miguel, Francisco J., Van Milligen, Boudewijn, Molinero, Antonio, Momo, B., Monreal, P., Mulas, S., Narushima, Yoshiro, Navarro, M., Ochando, Marian A., Olivares, J., Oyarzábal, E., de Pablos, José L.D., Pacios, Luis, Parra, Félix I., Pastor-Díaz, Ignacio, de la Peña, Angel, Pereira, A., Pinzón, J.R., Portas, A.B., Poveda, E., Quintana, J.A., Ramos, Francisco, Rattá, Giuseppe A., Redondo, M., Rincón, Esther, Ríos, Luis, Rodríguez-Fernández, C., Rodrı́guez-Rodrigo, Lina, Rojo, Beatriz, Ros, Andrés, Rosa, E., Sánchez, Edilberto, Sánchez, Joaquín H., Sánchez, Miguel, Sánchez-Sarabia, E., Satake, Shinsuke, Sebastián, Jose A., Sharma, R., Silva, Carlos A., Solano, Emilia R., Soleto, Alfonso, Sun, B.J., Tabarés, Francisco L., Tafalla, David, Takahashi, H., Tamura, Naoki, Tolkachev, Alexander, Vega, Jesús A., Velasco, G., Velasco, José L., Yamamoto, Satoshi, Zurro, Bernardo

Publikováno v: Nuclear Fusion, 59 (11)

The main results obtained in the TJ-II stellarator in the last two years are reported. The most important topics investigated have been modelling and validation of impurity transport, validation of gyrokinetic simulations, turbulence characterisation

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3e3e5fd07deec261055f24f7301b284e
https://hdl.handle.net/20.500.11850/385899

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Distorted magnetic island formation during slowing down to mode locking in helical plasmas

Autor: TOKUZAWA, Tokihiko, TAKEMURA, Yuki, WATANABE, Kiyomasa, SAKAKIBARA, Satoru, NARUSHIMA, Yoshiro, TSUCHIYA, Hayato, NAGAYAMA, Yoshio, INAGAKI, Shigeru, IDA, Katsumi, YOSHINUMA, Mikiro, TANAKA, Kenji, SUZUKI, Yasuhiro, YAMADA, Ichihiro, LHD, Experiment Group

Publikováno v: Nuclear Fusion. 57:076003

We report the first observation of the formation of a magnetic island before the occurrence of mode locking in helical plasma. New analysis and observation techniques applied to the ECE signal and poloidal flow in LHD experiments yield the following

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::39cf9414a979b4a8be7dcd5c6e4ce582
http://hdl.handle.net/10655/00012485

Characteristics of MHD instabilities limiting the beta value in LHD

Autor: SAKAKIBARA, Satoru, WATANABE, Kiyomasa, TAKEMURA, Yuki, OKAMOTO, Masao, OHDACHI, Satoshi, SUZUKI, Yasuhiro, NARUSHIMA, Yoshiro, IDA, Katsumi, YOSHINUMA, Mikiro, TANAKA, Kenji, TOKUZAWA, Tokihiko, YAMADA, Ichihiro, YAMADA, Hiroshi, TAKEIRI, Yasuhiko, LHD, Experiment Group

Publikováno v: S. Sakakibara et al 2015 Nucl. Fusion 55 083020

Effects of low-n magnetohydrodynamic instabilities on plasma performance have been assessed in the regime where an achieved beta value is limited by instabilities. The unstable regime of an ideal interchange mode is characterized by enhanced magnetic

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::cc57bf8ae971deed1a424b8bd007f407
https://doi.org/10.1088/0029-5515/55/8/083020