22 citations · 177 across the 13 of their papers we have counts for
17 papers · 1 filter
Machine-learning surrogate models for nonlinear energetic-particle transport predictions in ITER
Yashika Ghai, Donald A. Spong, Jacobo Varela +1
Fast and accurate prediction of energetic-particle transport driven by Alfvén eigenmode (AE) instabilities is essential for integrated modeling workflows used in the design and opt…
Effect of the neutral beam injector operational regime on the Alfven eigenmode saturation phase in DIII-D plasma
J Varela, D A Spong, L Garcia +11
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 anal…
Analysis of the ECH effect on the EPM/AEs stability in Heliotron J plasma using a Landau closure model
J. Varela, K. Nagasaki, S. Kobayashi +9
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) t…
Simulation of the TAEs saturation phase in Large Helical Device device: MHD burst
J. Varela, D. A. Spong, Y. Todo +4
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 evo…
Theoretical study of the Alfven Eigenmode stability in CFETR steady state discharges
J. Varela, J. Huang, D. A. Spong +6
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…
Theoretical analysis of the saturation phase of the energetic-ion-driven resistive interchange mode
J. Varela, D. A. Spong, L. Garcia +4
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…