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1 results

  • Melting of olive oil in immiscible surroundings: experiments and theory

  • Pim Waasdorp, Aron van den Bogaard, Leen van Wijngaarden, Sander G. Huisman
  • Journal:
    Journal of Fluid Mechanics / Volume 998 / 10 November 2024
    Published online by Cambridge University Press:
    29 October 2024, A18
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  • We report on the melting dynamics of frozen olive oil in quiescent water for Rayleigh numbers up to $10^9$. The density difference results in an upward buoyancy-driven flow of liquid oil forming a thin film around the frozen oil. We experimentally investigate flat, cylindrical and spherical shapes and we derive theoretical expressions for the local film thickness, velocity and the local melt rate for these three canonical geometries. Our theoretical models predict the correct order of magnitude and the correct scaling as compared with our experimental findings.