Vortex Flow and Cavitation in Liquid Injection: A Comparison between High-Fidelity CFD Simulations and Experimental Visualizations on Transparent Nozzle Replicas

Piscaglia, F.; Giussani, F.; Hèlie, J.; Lamarque, N.; Aithal, S. M.

doi:10.1016/j.ijmultiphaseflow.2021.103605

Title: Vortex Flow and Cavitation in Liquid Injection: A Comparison between High-Fidelity CFD Simulations and Experimental Visualizations on Transparent Nozzle Replicas

Abstract

Experimental instantaneous shadowgraph visualizations on transparent glass nozzle replicas of high-pressure fuel injectors have been used to validate a novel in-house high-fidelity LES-VOF multiphase solver, to study the evolution of vortex flow and fuel cavitation. Both experiments and simulations capture the formation of an unsteady vapor structure inside the nozzle volume, which is referred to as 'string-cavitation'; strings are found at the core of the recirculation zones. Furthermore, high-fidelity simulations provide a very detailed insight into the vortex generation in the injector nozzle; strings appear within the time scales that are relevant for fast injection events (on the order of 0.1 milliseconds) and, for the problem under consideration, their generation seems mostly related to the flow pattern in the sac. It is also shown that vortexes interact, merge till they disrupt and favor the temporary inception of shear cavitation.

Authors:

^[1];

^[2];

^[3];

^[3]; Aithal, S. M. ^[4]

Politecnico di Milano (Italy)
Politecnico di Milano (Italy); Vitesco Technologies (Continental AG Group) (France)
Vitesco Technologies (Continental AG Group) (France)
Argonne National Lab. (ANL), Lemont, IL (United States)

Publication Date:: Wed Feb 17 00:00:00 EST 2021

Research Org.:: Argonne National Lab. (ANL), Argonne, IL (United States)

Sponsoring Org.:: USDOE Office of Science (SC)

OSTI Identifier:: 1826089

Alternate Identifier(s):: OSTI ID: 1815238

Grant/Contract Number:: AC02-06CH11357

Resource Type:: Accepted Manuscript

Journal Name:: International Journal of Multiphase Flow

Additional Journal Information:: Journal Volume: 138; Journal ID: ISSN 0301-9322

Publisher:: Elsevier

Country of Publication:: United States

Language:: English

Subject:: 42 ENGINEERING; 3-phase LES-VOF solver; CFD of internal nozzle flows; cavitation; liquid injection; primary atomization; OpenFOAM; LibPoliMi; DAER

Citation Formats


                    Piscaglia, F., Giussani, F., Hèlie, J., Lamarque, N., and Aithal, S. M. Vortex Flow and Cavitation in Liquid Injection: A Comparison between High-Fidelity CFD Simulations and Experimental Visualizations on Transparent Nozzle Replicas.  United States: N. p., 2021. 
Web.  doi:10.1016/j.ijmultiphaseflow.2021.103605.

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                    Piscaglia, F., Giussani, F., Hèlie, J., Lamarque, N., & Aithal, S. M. Vortex Flow and Cavitation in Liquid Injection: A Comparison between High-Fidelity CFD Simulations and Experimental Visualizations on Transparent Nozzle Replicas.  United States.  https://doi.org/10.1016/j.ijmultiphaseflow.2021.103605

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                    Piscaglia, F., Giussani, F., Hèlie, J., Lamarque, N., and Aithal, S. M. Wed .  
"Vortex Flow and Cavitation in Liquid Injection: A Comparison between High-Fidelity CFD Simulations and Experimental Visualizations on Transparent Nozzle Replicas".  United States.  https://doi.org/10.1016/j.ijmultiphaseflow.2021.103605.  https://www.osti.gov/servlets/purl/1826089.

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@article{osti_1826089,

  title        = {Vortex Flow and Cavitation in Liquid Injection: A Comparison between High-Fidelity CFD Simulations and Experimental Visualizations on Transparent Nozzle Replicas},

  author       = {Piscaglia, F. and Giussani, F. and Hèlie, J. and Lamarque, N. and Aithal, S. M.},

  abstractNote = {Experimental instantaneous shadowgraph visualizations on transparent glass nozzle replicas of high-pressure fuel injectors have been used to validate a novel in-house high-fidelity LES-VOF multiphase solver, to study the evolution of vortex flow and fuel cavitation. Both experiments and simulations capture the formation of an unsteady vapor structure inside the nozzle volume, which is referred to as 'string-cavitation'; strings are found at the core of the recirculation zones. Furthermore, high-fidelity simulations provide a very detailed insight into the vortex generation in the injector nozzle; strings appear within the time scales that are relevant for fast injection events (on the order of 0.1 milliseconds) and, for the problem under consideration, their generation seems mostly related to the flow pattern in the sac. It is also shown that vortexes interact, merge till they disrupt and favor the temporary inception of shear cavitation.},

  doi          = {10.1016/j.ijmultiphaseflow.2021.103605},

  journal      = {International Journal of Multiphase Flow},

  number       = ,

  volume       = 138,

  place        = {United States},

  year         = {Wed Feb 17 00:00:00 EST 2021},

  month        = {Wed Feb 17 00:00:00 EST 2021}

}

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Similar Records

Title: Vortex Flow and Cavitation in Liquid Injection: A Comparison between High-Fidelity CFD Simulations and Experimental Visualizations on Transparent Nozzle Replicas

Abstract

Citation Formats

Verification and validation of Urans simulations of the turbulent cavitating flow around the hydrofoil journal, August 2017

Modelling the Influence of the Nozzle Geometry on the Primary Breakup of Diesel Jets journal, June 2014

Characterization of string cavitation in large-scale Diesel nozzles with tapered holes journal, May 2009

An investigation of string cavitation in a true-scale fuel injector flow geometry at high pressure journal, March 2010

Solution of the implicitly discretised fluid flow equations by operator-splitting journal, January 1986

Performance of turbulence and cavitation models in prediction of incipient and developed cavitation journal, July 2016

Cavitation, primary break-up and flash boiling of gasoline, iso-octane and n-pentane with a real-size optical direct-injection nozzle journal, September 2010

Flow Pattern in Diesel Nozzle Spray Holes journal, June 1959

Physical and numerical investigation of cavitating flows around a pitching hydrofoil journal, October 2013

Visualization analysis of relationship between vortex flow and cavitation behavior in diesel nozzle journal, December 2014

Visualisation and les simulation of cavitation cloud formation and collapse in an axisymmetric geometry journal, January 2015

Numerical research of diesel spray and atomization coupled cavitation by Large Eddy Simulation (LES) under high injection pressure journal, June 2016

On the formation of string cavitation inside fuel injectors journal, January 2014

Effects of Nozzle Geometry on Cavitation in Nozzles of Pressure Atomizers journal, January 2008

Large Eddy Simulation and theoretical investigations of the transient cavitating vortical flow structure around a NACA66 hydrofoil journal, January 2015

Characteristics of the Internal Flow in a Diesel Injection Nozzle journal, January 1997

Study of cavitation phenomenon using different fuels in a transparent nozzle by hydraulic characterization and visualization journal, January 2013

Numerical simulation of incipient cavitation flow in a nozzle of fuel injector journal, November 2014

Volume of fluid (VOF) method for the dynamics of free boundaries journal, January 1981

Laser-pulse interferometry applied to high-pressure fluid flow in micro channels journal, August 2010

Effects of cavitation in a nozzle on liquid jet atomization journal, August 2007

Experimental Study of Cavitation in the Nozzle Hole of Diesel Injectors Using Transparent Nozzles conference, February 1995

Experimental study on the effect of nozzle geometry on string cavitation in real-size optical diesel nozzles and spray characteristics journal, November 2018

Orifice Cavitation and Its Effect on Spray Mixing journal, December 1976

Numerical simulation of cavitation around a two-dimensional hydrofoil using VOF method and LES turbulence model journal, May 2013

Large Eddy Simulation of turbulent vortex-cavitation interactions in transient sheet/cloud cavitating flows journal, March 2014

Modeling and computation of unsteady cavitation flows in injection nozzles journal, October 2001

Evaluation of the Turbulence Model Influence on the Numerical Simulations of Unsteady Cavitation journal, January 2003

Large Eddy Simulation and investigation on the flow structure of the cascading cavitation shedding regime around 3D twisted hydrofoil journal, January 2017

Evaluation of scale resolving turbulence generation methods for Large Eddy Simulation of turbulent flows journal, April 2014

Vortex flow and cavitation in diesel injector nozzles journal, August 2008

Large Eddy Simulation of Reactive Two-Phase Flow in an Aeronautical Multipoint Burner journal, October 2012

Investigation of the Behavior of Ventilated Supercavities journal, September 2011

Numerical Simulation of Cavity Shedding from a Three-Dimensional Twisted Hydrofoil and Induced Pressure Fluctuation by Large-Eddy Simulation journal, April 2012

Numerical simulation of cavitation for liquid injection in non-condensable gas journal, June 2020

Influence of Vortex flow and Cavitation on Near-Nozzle Diesel Spray Dispersion Angle journal, January 2009

Implicit LES Predictions of the Cavitating Flow on a Propeller journal, April 2010

Numerical Simulation of the Homogeneous Equilibrium Model for Two-Phase Flows journal, June 2000

Shadowgraph, Schlieren and interferometry in a 2D cavitating channel flow journal, October 2012

Quantitative analysis of the minor deviations in nozzle internal geometry effect on the cavitating flow journal, June 2018

Combined Experimental and Computational Investigation of Unsteady Structure of Sheet/Cloud Cavitation journal, May 2013

Influence of fuel properties on internal nozzle flow development in a multi-hole diesel injector journal, September 2017

Simulation of primary atomization with an octree adaptive mesh refinement and VOF method journal, June 2009

Cavitation: a contributory factor in the transition from symmetric to asymmetric jets in cross-flow nozzles journal, April 2004

Verification and validation of Urans simulations of the turbulent cavitating flow around the hydrofoil
journal, August 2017

Modelling the Influence of the Nozzle Geometry on the Primary Breakup of Diesel Jets
journal, June 2014

Characterization of string cavitation in large-scale Diesel nozzles with tapered holes
journal, May 2009

An investigation of string cavitation in a true-scale fuel injector flow geometry at high pressure
journal, March 2010

Solution of the implicitly discretised fluid flow equations by operator-splitting
journal, January 1986

Performance of turbulence and cavitation models in prediction of incipient and developed cavitation
journal, July 2016

Cavitation, primary break-up and flash boiling of gasoline, iso-octane and n-pentane with a real-size optical direct-injection nozzle
journal, September 2010

Flow Pattern in Diesel Nozzle Spray Holes
journal, June 1959

Physical and numerical investigation of cavitating flows around a pitching hydrofoil
journal, October 2013

Visualization analysis of relationship between vortex flow and cavitation behavior in diesel nozzle
journal, December 2014

Visualisation and les simulation of cavitation cloud formation and collapse in an axisymmetric geometry
journal, January 2015

Numerical research of diesel spray and atomization coupled cavitation by Large Eddy Simulation (LES) under high injection pressure
journal, June 2016

On the formation of string cavitation inside fuel injectors
journal, January 2014

Effects of Nozzle Geometry on Cavitation in Nozzles of Pressure Atomizers
journal, January 2008

Large Eddy Simulation and theoretical investigations of the transient cavitating vortical flow structure around a NACA66 hydrofoil
journal, January 2015

Characteristics of the Internal Flow in a Diesel Injection Nozzle
journal, January 1997

Study of cavitation phenomenon using different fuels in a transparent nozzle by hydraulic characterization and visualization
journal, January 2013

Numerical simulation of incipient cavitation flow in a nozzle of fuel injector
journal, November 2014

Volume of fluid (VOF) method for the dynamics of free boundaries
journal, January 1981

Laser-pulse interferometry applied to high-pressure fluid flow in micro channels
journal, August 2010

Effects of cavitation in a nozzle on liquid jet atomization
journal, August 2007

Experimental Study of Cavitation in the Nozzle Hole of Diesel Injectors Using Transparent Nozzles
conference, February 1995

Experimental study on the effect of nozzle geometry on string cavitation in real-size optical diesel nozzles and spray characteristics
journal, November 2018

Orifice Cavitation and Its Effect on Spray Mixing
journal, December 1976

Numerical simulation of cavitation around a two-dimensional hydrofoil using VOF method and LES turbulence model
journal, May 2013

Large Eddy Simulation of turbulent vortex-cavitation interactions in transient sheet/cloud cavitating flows
journal, March 2014

Modeling and computation of unsteady cavitation flows in injection nozzles
journal, October 2001

Evaluation of the Turbulence Model Influence on the Numerical Simulations of Unsteady Cavitation
journal, January 2003

Large Eddy Simulation and investigation on the flow structure of the cascading cavitation shedding regime around 3D twisted hydrofoil
journal, January 2017

Evaluation of scale resolving turbulence generation methods for Large Eddy Simulation of turbulent flows
journal, April 2014

Vortex flow and cavitation in diesel injector nozzles
journal, August 2008

Large Eddy Simulation of Reactive Two-Phase Flow in an Aeronautical Multipoint Burner
journal, October 2012

Investigation of the Behavior of Ventilated Supercavities
journal, September 2011

Numerical Simulation of Cavity Shedding from a Three-Dimensional Twisted Hydrofoil and Induced Pressure Fluctuation by Large-Eddy Simulation
journal, April 2012

Numerical simulation of cavitation for liquid injection in non-condensable gas
journal, June 2020

Influence of Vortex flow and Cavitation on Near-Nozzle Diesel Spray Dispersion Angle
journal, January 2009

Implicit LES Predictions of the Cavitating Flow on a Propeller
journal, April 2010

Numerical Simulation of the Homogeneous Equilibrium Model for Two-Phase Flows
journal, June 2000

Shadowgraph, Schlieren and interferometry in a 2D cavitating channel flow
journal, October 2012

Quantitative analysis of the minor deviations in nozzle internal geometry effect on the cavitating flow
journal, June 2018

Combined Experimental and Computational Investigation of Unsteady Structure of Sheet/Cloud Cavitation
journal, May 2013

Influence of fuel properties on internal nozzle flow development in a multi-hole diesel injector
journal, September 2017

Simulation of primary atomization with an octree adaptive mesh refinement and VOF method
journal, June 2009

Cavitation: a contributory factor in the transition from symmetric to asymmetric jets in cross-flow nozzles
journal, April 2004