Learning from Each Other: Cross-Cutting Diagnostic Development Activities Between Magnetic and Inertial Confinement Fusion
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Nuclear science and engineering,Energy,Engineering↗
Engineering topics
Schlossberg, D.
Publications and source records attributed to Schlossberg, D..
Increased compression in HDC-based ablator implosions using modified drive profile
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70 PLASMA PHYSICS AND FUSION TECHNOLOGY↗
Diagnosing the origin and impact of low-mode asymmetries in ignition experiments at the National Ignition Facility
Inertial confinement fusion ignition requires high inflight shell velocity, good energy coupling between the hotspot and shell, and high areal density at peak compression. Three-dimensional asymmetries caused by imperfections in the drive symmetry or target can grow and damage the coupling and confinement. Recent high-yield experiments have shown that low-mode asymmetries are a key degradation mechanism and contribute to variability. Here we show the experimental signatures and impacts of asymmetry change with increasing implosion yield given the same initial cause. This letter has implications for improving robustness to a key degradation in ignition experiments.
70 PLASMA PHYSICS AND FUSION TECHNOLOGY↗