Donald Spong Theoretical/Computational Plasma Physicist Contact SPONGDA@ORNL.GOV All Publications Effect of the neutral beam injector operational regime on the Alfven eigenmode saturation phase in DIII-D plasma Study of Alfvén eigenmode stability in Quasi-Poloidal Stellarator (QPS) plasma using a Landau closure model Active Control of Alfvén Eigenmodes by Externally Applied 3D Magnetic Perturbations Analysis of the ECH effect on EPM/AE stability in Heliotron J plasma using a Landau closure model Simulation of the TAEs' saturation phase in the Large Helical Device: MHD burst DIII-D research advancing the physics basis for optimizing the tokamak approach to fusion energy Theoretical study of the Alfven eigenmode stability in CFETR steady state discharges Nonlinear dynamics and transport driven by energetic particle instabilities using a gyro-Landau closure model *... A novel path to runaway electron mitigation via deuterium injection and current-driven MHD instability Effects of negative triangularity shaping on energetic particle driven Alfvén eigenmodes in DIII-D Theoretical analysis of the saturation phase of the 1/1 energetic-ion-driven resistive interchange mode Isotope dependence of beta-induced Alfvén eigenmode (BAE) and low frequency mode (LFM) stability in DIII-D Composites and additive manufacturing for high-field coil supports for stellarators Demonstration of reduced neoclassical energy transport in Wendelstein 7-X... SPATIALLY DEPENDENT SIMULATIONS AND MODEL VALIDATION OF RUNAWAY ELECTRON DISSIPATION VIA IMPURITY INJECTION IN DIII-D AND JET USING KORC NONLINEAR DYNAMICS AND STABILITY SURVEYS OF ENERGETIC PARTICLE INSTABILITIES Study of the Alfven eigenmodes stability in CFQS plasma using a Landau closure model... 'BAAE' instabilities observed without fast ion drive Progress in extending high poloidal beta scenarios on DIII-D towards a steady-state fusion reactor and impact of energetic particles Spatially dependent modeling and simulation of runaway electron mitigation in DIII-D Modeling of the ECCD injection effect on the Heliotron J and LHD plasma stability Energetic particle transport and loss induced by helically-trapped energetic-ion-driven resistive interchange modes in the Large Helical Device Global gyrokinetic particle simulations of microturbulence in W7-X and LHD stellarators Runaway electron beam dynamics at low plasma density in DIII-D: energy distribution, current profile, and internal instability Effect of magnetic field ripple on parallel electron transport during microwave plasma heating in the Proto-MPEX linear plasma device Pagination Current page 1 Page 2 Page 3 … Next page ›› Last page Last » Key Links Curriculum Vitae Google Scholar ORCID LinkedIn Organizations Fusion and Fission Energy and Science Directorate Fusion Energy Division Burning Plasma Foundations Section Plasma Theory and Modeling Group
