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This paper presents a fully coupled two-dimensional (2-D) multiphysics model for predicting the location of the arc discharge and lightning channel, and modeling its thermal and electrical behavior as a highly conductive plasma channel. The model makes no assumptions on the physical location of the lightning channel but predicts its appearance purely from the electromagnetic (EM) field conditions...
Immersed bodies such as struts and vanes in gas turbine flow systems will, except at the lowest of flow velocities, shed separated wakes. One means to mitigate this is through active flow control by the use of pulsed DC plasma actuation. A two-dimensional, plasma-fluid model and code, multi-PHysics Analysis of Fluid-plasma Numerical Integration algoRithm (PHAFNIR), that couples electrodynamics, plasma...
This Paper proposes an efficient and accurate air plasma kinetic model aimed for describing environments of nanosecond pulsed surface dielectric barrier discharge (SDBD) actuators. In nanosecond pulsed discharge, variety of chemical species including electronically excited species are very sensitive due to immediate increase of a high reduced electric field. That's why air plasma reaction is very...
Non-equilibrium atmospheric pressure discharges provide an attractive area of industrial interest, largely due to their relative ease of operation and usefulness in fields such as surface treatment of plastics, medical surfaces or even tissue1. In recent years there has therefore been a mounting interest in characterising these types of discharges numerically through simulation, as well as through...
The avalanche-to-streamer transition is studied and illustrated in a particle model. The results are similar to those of fluid models. However, when superparticles are introduced, numerical artifacts become visible. This underscores the need of models that are hybrid in space.
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