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PreprintCC BY 4.0arXiv

Aerosol generation by the splashing of low viscosity drops impacting liquid layers

  • Guillaume Riboux
  • José Manuel Gordillo
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Abstract

Using theory and numerical simulations, here we describe the early stages of the impact with a velocity V of a drop of radius Rd of a low viscosity liquid such as water against a layer of generic thickness H of the same liquid. Our predictions for the initial velocity Vt≫ V and the diameter Ht≪ Rd of the toroidal rim bordering the edge of the thin lamella which is ejected radially outwards after the impact, are in fair agreement with both the numerical results and also with the experimental measurements reported by Zhang et al [J. Fluid Mech, 690, 5, 2012]. Consequently, the present findings can be employed, for instance, to predict the initial diameters and velocities of the fastest tiny droplets which are ejected right after a rain drop falls on a liquid pool, an ubiquitous phenomenon with implications in the dispersal of contaminants and in the generation of aerosols and of ice condensation nuclei

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Cite

BibTeXRIS
BibTeX
@misc{riboux2026aerosol,
  title = {{Aerosol generation by the splashing of low viscosity drops impacting liquid layers}},
  author = {Guillaume Riboux and José Manuel Gordillo},
  howpublished = {arXiv},
  year = {2026},
  month = jul,
  doi = {10.48550/arxiv.2607.12594},
  eprint = {2607.12594},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2607.12594},
  note = {CC BY 4.0},
}
RIS
TY  - UNPB
TI  - Aerosol generation by the splashing of low viscosity drops impacting liquid layers
AU  - Guillaume Riboux
AU  - José Manuel Gordillo
PY  - 2026
DA  - 2026/07/14
PB  - arXiv
DO  - 10.48550/arxiv.2607.12594
UR  - https://arxiv.org/abs/2607.12594
AB  - Using theory and numerical simulations, here we describe the early stages of the impact with a velocity V of a drop of radius R_d of a low viscosity liquid such as water against a layer of generic thickness H of the same liquid. Our predictions for the initial velocity V_t≫ V and the diameter H_t≪ R_d of the toroidal rim bordering the edge of the thin lamella which is ejected radially outwards after the impact, are in fair agreement with both the numerical results and also with the experimental measurements reported by Zhang et al [J. Fluid Mech, 690, 5, 2012]. Consequently, the present findings can be employed, for instance, to predict the initial diameters and velocities of the fastest tiny droplets which are ejected right after a rain drop falls on a liquid pool, an ubiquitous phenomenon with implications in the dispersal of contaminants and in the generation of aerosols and of ice condensation nuclei
ER  -