Dynamic Leidenfrost Effect: Relevant Time and Length Scales.

  title={Dynamic Leidenfrost Effect: Relevant Time and Length Scales.},
  author={Minori Shirota and Michiel A. J. van Limbeek and Chao Sun and Andrea Prosperetti and Detlef Lohse},
  journal={Physical review letters},
  volume={116 6},
When a liquid droplet impacts a hot solid surface, enough vapor may be generated under it to prevent its contact with the solid. The minimum solid temperature for this so-called Leidenfrost effect to occur is termed the Leidenfrost temperature, or the dynamic Leidenfrost temperature when the droplet velocity is non-negligible. We observe the wetting or drying and the levitation dynamics of the droplet impacting on an (isothermal) smooth sapphire surface using high-speed total internal… 

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