Donald Spong Theoretical/Computational Plasma Physicist Contact SPONGDA@ORNL.GOV All Publications First Direct Observation of Runaway-Electron-Driven Whistler Waves in Tokamaks First Direct Observation of Runaway-electron-driven Whistler Waves In Tokamaks Numerical simulation of runaway electrons: 3-D effects on synchrotron radiation and impurity-based runaway current dissipation Stellarator Research Opportunities: A Report of the National Stellarator Coordinating Committee Numerical simulation of runaway electrons: 3-D effects on synchrotron radiation and impurity-based runaway current dissipation First Direct Observation of Runaway-Electron-Driven Whistler Waves in Tokamaks Analysis of Alfven Eigenmodes destabilization by energetic particles in TJ-II using a Landau-closure model Major results from the first plasma campaign of the Wendelstein 7-X stellarator Global gyrokinetic simulation of energetic particle-driven instabilities in the LHD stellarator... Space dependent, full orbit effects on runaway electron dynamics in tokamak plasmas Analysis of Alfven Eigenmodes destabilization by energetic particles in Large Helical Device using a Landau-closure model Effect of Resonant Magnetic Perturbations on Microturbulence in DIII-D Pedestal... Catalyzed D-D stellarator reactor... Analysis of energetic particle driven Alfvén instabilities in 3D toroidal systems using a global gyrokinetic model Overview of results from the MST reversed field pinch experiment Long-term Landau-fluid simulation of Alfvén eigenmode instabilities Technical challenges in the construction of the steady-state stellarator Wendelstein 7-X... Measurements of the eigenfunction of reversed shear Alfvén eigenmodes that sweep downward in frequency The effect of the fast-ion profile on Alfvén eigenmode stability Fast ion confinement and stability in a neutral beam injected reversed field pinch... Simulation study of Alfvén eigenmode-induced energetic ion transport in LHD Simulation of Alfvén frequency cascade modes in reversed shear discharges using a Landau-closure model Alfvén eigenmode properties and dynamics in the TJ-II stellarator Alfvén eigenmode structure during off-axis neutral beam injection Application and development of the gyro-Landau fluid model for energetic-particle instabilities Pagination First page « First Previous page ‹â¶Ä¹ … Page 2 Current page 3 Page 4 … Next page ›â¶Äº Last page Last » Key Links Curriculum Vitae Organizations Fusion and Fission Energy and Science Directorate Fusion Energy Division Burning Plasma Foundations Section Plasma Theory and Modeling Group
