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Abstract
Several hypotheses have been proposed to explain the discrepancy between high-fluence time-resolved laser-induced incandescence (TiRe-LII) measurements and model predictions, including back flow of sublimed species and the formation of shock waves. This is the first study to use transient Direct Simulation Monte Carlo (DSMC) to investigate these phenomena. Simulations verify the back flow of sublimed species, which should be included in analytical models. On the other hand, shock waves were not observed for the fluences and nanoparticle temperature decay curves typical of laser-induced incandescence.
Notes
This research was supported by the Natural Sciences and Engineering Research Council of Canada. The authors are grateful to Professor Henning Struchtrup (University of Victoria) for his insightful comments while preparing this manuscript.
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