Gain Estimations For A Fusion Target Compressed By A Spherically Imploding Plasma Liner

Spherically imploding plasma liners ¹ are a potential reactorrelevant approach to compressing magnetized plasma targets to fusion conditions, for example as in magneto-inertialfusion (MIF). We use the USim code, a multi-dimensional hydrodynamic code with treatments for MHD and fusion effects, to estimate the gain for various liner conditions. We performed 1D and 2D simulations, with and without density perturbations, and with different models for alpha particle energy deposition. Specifically, we show that gain greater than one is possible for liners of argon gas with density 85 kg/m³ and velocity 60 km/s, even with 10% density perturbation. We also show gain $\sim 20$ for ideal conditions. We also compare these results with recent semi-analytic work ².