3 papers
physics.plasm-ph2025
Benchmark for two-dimensional large scale coherent structures in partially magnetized ExB plasmas -- Community collaboration & lessons learned
Andrew T. Powis, Eduardo Ahedo, Alejandro Ãlvarez Laguna +38
Low-temperature plasmas are essential to both fundamental scientific research and critical industrial applications. As in many areas of science, numerical simulations have become a…
physics.flu-dyn2025
Rarefied xenon flow in orificed hollow cathodes
Pierre-Yves C. R. Taunay, Willca Villafana, Sangeeta P. Vinoth +2
A parametric study is conducted to quantify the effect of the keeper electrode geometry on the neutral flow quantities within orificed hollow cathodes, prior to cathode ignition. T…
physics.plasm-ph2024
Establishing Criteria for the Transition from Kinetic to Fluid Modeling in Hollow Cathode Analysis
Willca Villafana, Andrew T. Powis, Sarveshwar Sharma +2
In this study, we conduct 2D3V Particle-In-Cell simulations of hollow cathodes, encompassing both the channel and plume region, with an emphasis on plasma switch applications. The…