Impact of compound drops: a perspective

Nathan Blanken, Muhammad Saeed Saleem, Marie Jean Thoraval, Carlo Antonini*

*Corresponding author for this work

Research output: Contribution to journalReview articleAcademicpeer-review

61 Citations (Scopus)
350 Downloads (Pure)


Drop interaction with solid surfaces upon impact has been attracting a growing community of researchers who are focusing more and more on ‘complex’ surfaces and ‘complex’ drops. Recently, we are observing an emerging research trend related to the investigation of compound drop impact. Compound drops consist of two or more distinct continuous phases sharing common interfaces, surrounded by a third phase. Examples are core–shell and Janus drops. In this review, we address the fundamental aspects of compound drop impact and discuss the current challenges related to experimental testing and numerical simulation of multiphase fluid systems. Furthermore, we provide a perspective on the technological relevance of understanding and controlling compound drop impact, ranging from 3D printing to liquid separation for water cleaning and oil remediation.

Original languageEnglish
Article number101389
JournalCurrent Opinion in Colloid and Interface Science
Publication statusPublished - Feb 2021


  • UT-Hybrid-D
  • Drop impact
  • Material 3D printing
  • Oil–water separation
  • Rebound
  • Splashing
  • Wetting
  • Compound drop


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