Daisuke Shiraki R&D Staff Contact shirakid@ornl.gov | 858.455.2339 All Publications 3D radiated power analysis of JET SPI discharges using the Emis3D forward modeling tool Density and temperature profiles after low-Z and high-Z shattered pellet injections on DIII-D... Observation of D2 molecule line emission after massive D2 injection into runaway electron plateaus in DIII-D... WALL HEATING BY SUBCRITICAL ENERGETICELECTRONS GENERATED BY THE RUNAWAYELECTRON AVALANCHE SOURCE The effectiveness of D2 pellet injection in reducing intra-ELM and inter-ELM tungsten divertor erosion rates in DIII-D during the Metal Rings Campaign Parametric study of Alfvénic instabilities driven by runaway electrons during the current quench in DIII-D Trends in runaway electron plateau partial recombination by massive H 2 or D 2 injection in DIII-D and JET and first extrapolations to ITER and SPARC Reducing the L-H transition power threshold in ITER-similar-shape DIII-D hydrogen plasmas Measurement and simulation of small cryogenic neon pellet Ne-I 640 nm photon efficiency during ablation in DIII-D plasma... DIII-D research advancing the physics basis for optimizing the tokamak approach to fusion energy Pellet ELM triggering in DIII-D with low collisionality, peeling-limited pedestals... Shattered pellet injection experiments at JET in support of the ITER disruption mitigation system design... Disruption thermal load mitigation with shattered pellet injection on the Joint European Torus (JET) Pellet triggering of edge localized modes in low collisionality pedestals at DIII-D... A novel path to runaway electron mitigation via deuterium injection and current-driven MHD instability... Polarized imaging of visible synchrotron emission from runaway electron plateaus in DIII-D... SPATIALLY DEPENDENT SIMULATIONS AND MODEL VALIDATION OF RUNAWAY ELECTRON DISSIPATION VIA IMPURITY INJECTION IN DIII-D AND JET... 3D radiation, density, and MHD structures following neon shattered pellet injection into stable DIII-D Super H-mode discharges Spatially dependent modeling and simulation of runaway electron mitigation in DIII-D... Observation of non-thermal electron formation during the thermal quench of shattered pellet injection shutdowns in DIII-D Runaway electron seed formation at reactor-relevant temperature... Setting the H-mode pedestal structure: variations of particle source location using gas puff and pellet fueling... Study of argon expulsion from the post-disruption runaway electron plateau following low-Z massive gas injection in DIII-D... Runaway electron beam dynamics at low plasma density in DIII-D: energy distribution, current profile, and internal instability Shattered pellet penetration in low and high energy plasmas on DIII-D... Pagination Current page 1 Page 2 Next page ›› Last page Last » Key Links ORCID Organizations Fusion and Fission Energy and Science Directorate Fusion Energy Division Burning Plasma Foundations Section Advanced Tokamak Physics Group