4 papers
Shock generated vorticity in spark discharges
Bhavini Singh, Lalit K. Rajendran, Pavlos P. Vlachos +1
Spark discharges induce a complex flow field consisting of a shock wave at early times (~ 1 s), a pair of vortex rings, and a hot gas kernel. The vortex rings entrain ambient g…
Filamentary Surface Plasma Discharge Flow Length and Time Scales
Lalit K. Rajendran, Bhavini Singh, Pavlos P. Vlachos +1
Nanosecond Surface Dielectric Barrier Discharge (ns-SDBDs) are a class of plasma actuators that utilize a high-voltage pulse of nanosecond duration between two surface-mounted elec…
Vortex rings drive entrainment and cooling in flow induced by a spark discharge
Bhavini Singh, Lalit K. Rajendran, Jiacheng Zhang +2
Spark plasma discharges induce vortex rings and a hot gas kernel. We develop a model to describe the late stage of the spark induced flow and the role of the vortex rings in the en…
Two Regime Cooling in Flow Induced by a Spark Discharge
Bhavini Singh, Lalit Rajendran, Pavlos P Vlachos +1
The cooling process associated with the flow induced by a spark plasma discharge generated between a pair of electrodes is measured using stereoscopic particle image velocimetry (S…