Jacob Johnson of Electro Magnetic Applications, Inc.

The ability to simulate discharges has long been of interest, particularly to the circuit breaker and switch gear industries. Over the years, the breakdown of air has been heavily studied along with commonly used gases such as sulfur hexafluoride (SF₆). However, as alternatives to SF₆ were searched for, the need for a tool to simulate a discharge in an arbitrary gas became apparent.

Ansys Charge Plus has long been able to simulate the breakdown of air. Recently, the capabilities of the tool have been expanded to be able to simulate the breakdown of any gas. Join us as we explore how the kinetic theory of plasmas was utilized for this development and what the new capabilities of the tool are.

Biography:

Jacob Johnson graduated with a Bachelor of Science in Physics from the Georgia Institute of Technology. While at Georgia Tech, Jacob worked in the Fusion Research Center (FRC), utilizing computer code to study the transport within Tokamak reactor plasmas. After graduating, Jacob came to EMA where he has been for two years. During his time at EMA, Jacob has used the experience he gained at the FRC to expand the plasma-based capabilities of EMA’s tools. Notable developments include the coupling of Ansys Charge Plus with Ansys Fluent and expansion of the discharge capabilities to include the breakdown of any gas./

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