Laser-induced plasma generation and evolution in a transient spray

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Abstract

The behaviors of laser-induced plasma and fuel spray were investigated by visualizing images with an ultra-high-speed camera. Time-series images of laser-induced plasma in a transient spray were visualized using a high-speed color camera. The effects of a shockwave generated from the laser-induced plasma on the evaporated spray behavior were investigated. The interaction between a single droplet and the laser-induced plasma was investigated using a single droplet levitated by an ultrasonic levitator. Two main conclusions were drawn from these experiments: (1) the fuel droplets in the spray were dispersed by the shockwave generated from the laser-induced plasma; and (2) the plasma position may have shifted due to breakdown of the droplet surface and the lens effect of droplets.

Original languageEnglish
Pages (from-to)A44-A52
JournalOptics Express
Volume22
Issue number1
DOIs
Publication statusPublished - Jan 13 2014

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ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

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