• DOI:10.1063/1.3647583
• Corpus ID: 59437729

Confined Shocks inside Isolated Liquid Volumes -- A New Path of Erosion?

@article{Obreschkow2011ConfinedSI,
  title={Confined Shocks inside Isolated Liquid Volumes -- A New Path of Erosion?},
  author={Danail Obreschkow and Nicolas Dorsaz and Philippe Kobel and Aur{\`e}le De Bosset and Marc Tinguely and John Edwin Field and Mohamed Farhat},
  journal={arXiv: Fluid Dynamics},
  year={2011}
}

• D. Obreschkow, N. Dorsaz, +4 authors M. Farhat
• Published 14 September 2011
• Physics
• arXiv: Fluid Dynamics

The unique confinement of shock waves inside isolated liquid volumes amplifies the density of shock-liquid interactions. We investigate this universal principle through an interdisciplinary study of shock-induced cavitation inside liquid volumes, isolated in 2 and 3 dimensions. By combining high-speed visualizations of ideal water drops realized in microgravity with smoothed particle simulations we evidence strong shock-induced cavitation at the focus of the confined shocks. We extend this analysis to ground-observations of jets and drops using an analytic model, and argue that cavitation caused by trapped shocks offers a distinct mechanism of erosion in high-speed impacts (>100 m/s).