Modelling of Cavitation Around Hydrofoils with Included Bubble Dynamics and Phase Changes

  • Galina IlievaEmail author
  • Christo Pirovsky
Part of the Advanced Structured Materials book series (STRUCTMAT, volume 113)


Cavitation is an important problem in hydraulic machines as it affects their performance and cause damages. After the flow velocity and forces acting over blades are increased there are regions with presence of pressure drop well below the vaporization pressure of the liquid and cavitation is formed. Cavitation is associated with erosion, noise and vibrations, leading to efficiency decrease and machinery damages. That is why cavitation, its development and effects must be taken into account during the design phase of rotating machines, propellers and others. The present paper deals with a numerical modeling and analysis of cavitation around a hydrofoil. It aims at creation of a relevant model to simulate the cavitating flow around a hydrofoil. User Defined Code, presenting bubble growth and two-phase interaction effects, is written and implemented to the main mathematical model in Fluent. Current computational methodology is applicable to study cavitation in various exploitation regimes.


Bubble growth and implosion Cavitation Numerical simulation Two-phase mixture Schnerr-Sauer model 


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© Springer Nature Switzerland AG 2020

Authors and Affiliations

  1. 1.Research and Development Laboratory “Heat Turbomashines”Technical University of VarnaVarnaBulgaria
  2. 2.Research and Development Laboratory “Vibration Control and Diagnostics of Machinery and Structures”Technical University of VarnaVarnaBulgaria

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