publication . Article . 2017

Diffusion-driven nucleation from surface nuclei in hydrodynamic cavitation

T. F. Groß; Peter F. Pelz;
Open Access
  • Published: 29 Sep 2017 Journal: Journal of Fluid Mechanics, volume 830, pages 138-164 (issn: 0022-1120, eissn: 1469-7645, Copyright policy)
  • Publisher: Cambridge University Press (CUP)
<jats:p>Investigations about the role of nuclei and nucleation for the inception and formation of cavitation have been part of cavitation research since Harvey <jats:italic>et al.</jats:italic> (<jats:italic>J. Cell. Physiol.</jats:italic>, vol. 24 (1), 1944, pp. 1–22) postulated the existence of gas filled crevices on surfaces and particles in liquids. In a supersaturated liquid, surface nuclei produce small gas bubbles due to mass transfer of gas or themselves work as weak spots in the liquid that are necessary for a phase change under technically relevant static pressures. Although various theories and models about nuclei and nucleation have found their way i...
free text keywords: Mechanical Engineering, Mechanics of Materials, Condensed Matter Physics, Cavitation, Dimensionless quantity, Supersaturation, Shear rate, Strouhal number, symbols.namesake, symbols, Nucleation, Weber number, Péclet number, Materials science, Thermodynamics
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