Stochastic nature of wall nucleation and its impact on the time average boundary condition

Rául Martínez-Cuenca, Caleb S. Brooks, J. Enrique Juliá, Takashi Hibiki, Mamoru Ishii

Research output: Contribution to journalArticlepeer-review


A new interpretation of the characteristic area and frequency appearing in the wall nucleation source from the point of view of the stochastic nature of this phenomenon is presented in this paper. This analysis shows important drawbacks in the standard interpretation of these terms, such as a strong bias in the characteristic area and high sensitivity to experimental conditions for the frequency. Finally, methods to improve the measurement of the corresponding mean values as well as estimators for their uncertainties based on the definition of a generalized probability density function (PDF) are provided.

Original languageEnglish (US)
Article number021504
JournalJournal of Heat Transfer
Issue number2
StatePublished - 2015


  • Departure diameter
  • Departure frequency
  • Forced-convective subcooled boiling
  • Wall nucleation

ASJC Scopus subject areas

  • General Materials Science
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering


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