Numerical Simulation of Two-Phase Flow in Injection Nozzles: Interaction of Cavitation and External Jet Formation

  • Weixing Yuan
    Aerodynamics Laboratory, Institute for Aerospace Research, National Research Council of Canada, Ottawa, ON K1A OR6, Canada
  • Gu¨nter H. Schnerr
    Fachgebiet Gasdynamik, Lehrstuhl fu¨r Fluidmechanik, Technische Universita¨t Mu¨nchen, D-85747 Garching, Germany

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<jats:p>The present investigation demonstrates the strong interaction of cavitating nozzle flow with the outside jet formation. Due to the strong sensitivity of cavitation on the imposed boundary conditions, simulations with restriction on the internal problem are qualitatively and quantitatively incorrect, so that phenomena like hydraulic flip and supercavitation cannot be revealed. Our results indicate the potential of cavitation for enhancement of atomization and spray quality.</jats:p>

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