Inertio-Thermal Growth of Vapour Bubbles

Patrick Sullivan, Duncan Dockar, Matthew K. Borg, Ryan Enright, Rohit Pillai

Research output: Contribution to journalArticlepeer-review


Our understanding of homogeneous vapour bubble growth is currently restricted to asymptotic descriptions of their limiting behaviour. While attempts have been made to incorporate both the inertial and thermal limits into bubble growth models, the early stages of bubble growth have not been captured. By accounting for both the changing inertial driving force and the thermal restriction to growth, we present an inertio-thermal model of homogeneous vapour bubble growth, capable of accurately capturing the evolution of a bubble from the nano- to the macro-scale. We compare our model predictions with: a) published experimental and numerical data, and b) our own molecular simulations, showing significant improvement over previous models. This has potential application in improving the performance of engineering devices, such as ultrasonic cleaning and microprocessor cooling, as well as in understanding of natural phenomena involving vapour bubble growth.
Original languageEnglish
Article numberA55
JournalJournal of Fluid Mechanics
Early online date16 Sep 2022
Publication statusE-pub ahead of print - 16 Sep 2022


  • bubble dynamics
  • condensation/evaporation


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