[American Institute of Aeronautics and Astronautics 51st AIAA Aerospace Sciences Meeting including the New Horizons Forum and Aerospace Exposition - Grapevine (Dallas/Ft. Worth Region), Texas ()] 51st AIAA Aerospace Sciences Meeting including the New Horizons Forum and Aerospace Exposition - Time-resolved electric field measurements in nanosecond surface dielectric discharge. Comparison of different polarities. Ignition of combustible mixtures by surface discharge in a rapid compression machine.