Zobrazeno 1 - 10
of 920
pro vyhledávání: '"Spong D."'
Autor:
Di Siena, A., Garcia, J., Bilato, R., Kirov, K., Navarro, J. Varela A. Banon, Kim, Hyun-Tae, Challis, C., Hobirk, J., Kappatou, A., Lerche, E., Spong, D., Angioni, C., Gorler, T., Poli, E., Bergmann, M., Jenko, F., contributors, JET
The capability of the global, electromagnetic gyrokinetic GENE code interfaced with the transport Tango solver is exploited to address the impact of fusion alpha particles (in their dual role of fast particles and heating source) on plasma profiles a
Externí odkaz:
http://arxiv.org/abs/2406.07130
Autor:
Varela, J, Spong, D A, Garcia, L, Ghai, Y, Zarzoso, D, del-Castillo-Negrete, D, Betar, H, Ortiz, J, Pace, D C, Van Zeeland, M A, Du, X, Sanchez, R, Tribaldos, V, Reynolds-Barredo, J M
Publikováno v:
Plasma Phys. Control. Fusion 65 125004 2023
The aim of this study is to analyze the effect of the neutral beam injector (NBI) operation regime on the saturation phase of the Alfven Eigenmodes (AEs) in DIII-D plasma. The analysis is done using the linear and nonlinear versions of the gyro-fluid
Externí odkaz:
http://arxiv.org/abs/2311.03729
Autor:
Varela, J., Nagasaki, K., Kobayashi, S., Nagaoka, K., Adulsiriswad, P., Cappa, A., Yamamoto, S., Watanabe, K. Y., Spong, D. A., Garcia, L., Ghai, Y., Ortiz, J.
Publikováno v:
Nucl. Fusion 63 026009 (2023)
The aim of the present study is to analyze the effect of the electron cyclotron heating (ECH) on the linear stability of Alfven Eigenmodes (AE) and energetic particle modes (EPM) triggered by energetic ions in Heliotron J plasma. The analysis is perf
Externí odkaz:
http://arxiv.org/abs/2304.08773
Publikováno v:
Nucl. Fusion 62 126020 (2022)
The aim of the present study is to analyze the saturation regime of the Toroidal Alfven Eigenmodes (TAE) in the LHD plasma, particularly the MHD burst. The linear and nonlinear evolution of the TAEs are simulated by the FAR3d code that uses a reduced
Externí odkaz:
http://arxiv.org/abs/2304.08416
Autor:
Varela, J., Huang, J., Spong, D. A., Chen, J., Chan, V., Garcia, L., Wingen, A., Ghai, Y., Zou, Y.
Publikováno v:
Nucl. Fusion 62 036005 (2022)
The aim of this study is to analyze the stability of Alfven Eigenmodes (AE) in the China Fusion Engineering Test Reactor (CFETR) plasma for steady state operations. The analysis is done using the gyro-fluid code FAR3d including the effect of the acou
Externí odkaz:
http://arxiv.org/abs/2304.08412
Publikováno v:
Nucl. Fusion, 61, 126016 (2021)
The aim of the present study is to analyze the saturation regime of the energetic-ion-driven resistive interchange mode (EIC) in the LHD plasma. A set of non linear simulations are performed by the FAR3d code that uses a reduced MHD model for the the
Externí odkaz:
http://arxiv.org/abs/2201.00637
Publikováno v:
Nucl. Fusion, 61, 026023 (2021)
The aim of this study is to analyze the stability of the Alfven eigenmodes (AE) in the Chinese First Quasi-axisymmetric Stellarator (CFQS). The AE stability is calculated using the code FAR3d that solves the reduced MHD equations to describe the line
Externí odkaz:
http://arxiv.org/abs/2104.07987
The aim of the present study is to perform a theoretical analysis of different strategies to stabilize energetic-ion-driven resistive interchange mode (EIC) in LHD plasma. We use a reduced MHD for the thermal plasma coupled with a gyrofluid model for
Externí odkaz:
http://arxiv.org/abs/2010.04598
Autor:
Varela, J., Nagasaki, K., Nagaoka, K., Yamamoto, S., Watanabe, K. Y., Spong, D. A., Garcia, L., Cappa, A., Azegami, A.
Publikováno v:
Nucl. Fusion 60 112015 (2020)
The aim of the study is to analyze the stability of the Energetic Particle Modes (EPM) and Alfven Eigenmodes (AE) in Helitron J and LHD plasma if the electron cyclotron current drive (ECCD) is applied. The analysis is performed using the code FAR3d t
Externí odkaz:
http://arxiv.org/abs/2010.03892
Autor:
Varela, J., Watanabe, K. Y., Shinohara, K., Honda, M., Suzuki, Y., Shiraishi, J., Spong, D. A., Garcia, L.
Publikováno v:
Nucl. Fusion 60 096009 (2020)
We analyze the effects of the passing energetic particles on the resistive ballooning modes (RBM) and the energetic particle driven modes in JT-60SA plasma, which leads to the prediction of the stability in N-NBI heated plasma. The analysis is perfor
Externí odkaz:
http://arxiv.org/abs/2010.03883