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Items where Author is "Koukouvinis, P."

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Heidari-Koochi, M. ORCID: 0000-0001-9865-697X, Karathanassis, I. K. ORCID: 0000-0001-9025-2866, Koukouvinis, P. ORCID: 0000-0002-3945-3707 , Hwang, J., Pickett, L. M., Spivey, D. & Gavaises, M. ORCID: 0000-0003-0874-8534 (2022). Flow visualisation in real-size optical injectors of conventional, additised, and renewable gasoline blends. Energy Conversion and Management, 252, 115109. doi: 10.1016/j.enconman.2021.115109

Hwang, J., Lee, P., Mun, S. , Karathanassis, I. K. ORCID: 0000-0001-9025-2866, Koukouvinis, P. ORCID: 0000-0002-3945-3707, Pickett, L. & Gavaises, M. ORCID: 0000-0003-0874-8534 (2021). Machine-learning enabled prediction of 3D spray under engine combustion network spray G conditions. Fuel, 293, 120444. doi: 10.1016/j.fuel.2021.120444

Kolovos, K., Koukouvinis, P., McDavid, R. M. & Gavaises, M. ORCID: 0000-0003-0874-8534 (2021). Transient cavitation and friction-induced heating effects of diesel fuel during the needle valve early opening stages for discharge pressures up to 450 mpa. Energies, 14(10), 2923. doi: 10.3390/en14102923

Karathanassis, I. K. ORCID: 0000-0001-9025-2866, Heidari-Koochi, M., Zhang, Q. , Hwang, J., Koukouvinis, P. ORCID: 0000-0002-3945-3707, Wang, J. & Gavaises, M. ORCID: 0000-0003-0874-8534 (2021). X-ray phase contrast and absorption imaging for the quantification of transient cavitation in high-speed nozzle flows. Physics of Fluids, 33(3), 032102. doi: 10.1063/5.0038475

Vidal Roncero, A. ORCID: 0000-0001-8177-518X, Kolovos, K., Gold, M. , Pearson, R., Koukouvinis, P. ORCID: 0000-0002-3945-3707 & Gavaises, M. ORCID: 0000-0003-0874-8534 (2021). Preferential cavitation and friction-induced heating of multi-component Diesel fuel surrogates up to 450MPa. International Journal of Heat and Mass Transfer, 166, 120744. doi: 10.1016/j.ijheatmasstransfer.2020.120744

Karathanassis, I. K. ORCID: 0000-0001-9025-2866, Hwang, J., Koukouvinis, P. ORCID: 0000-0002-3945-3707 , Pickett, L. & Gavaises, M. ORCID: 0000-0003-0874-8534 (2021). Combined visualisation of cavitation and vortical structures in a real-size optical diesel injector. Experiments in Fluids, 62(1), doi: 10.1007/s00348-020-03096-1

Li, Q. ORCID: 0000-0001-7456-7868, Stavropoulos-Vasilakis, E., Koukouvinis, P. , Gavaises, M. ORCID: 0000-0003-0874-8534 & Bruecker, C. ORCID: 0000-0001-5834-3020 (2021). Micro-pillar sensor based wall-shear mapping in pulsating flows: In-Situ calibration and measurements in an aortic heart-valve tester. Journal of Fluids and Structures, 105, 103346. doi: 10.1016/j.jfluidstructs.2021.103346

Gavaises, M. ORCID: 0000-0003-0874-8534, Murali-Girija, M., Rodriguez, C. , Koukouvinis, P. ORCID: 0000-0002-3945-3707, Gold, M. & Pearson, R. (2021). Numerical simulation of fuel dribbling and nozzle wall wetting. International Journal of Engine Research, doi: 10.1177/1468087420985189

Stavropoulos Vasilakis, E., Rodriguez, C., Kyriazis, N. , Malgarinos, I., Koukouvinis, P. ORCID: 0000-0002-3945-3707 & Gavaises, M. ORCID: 0000-0003-0874-8534 (2021). A direct forcing Immersed Boundary Method for Cavitating Flows. International Journal for Numerical Methods in Fluids, 93(10), pp. 3092-3130. doi: 10.1002/fld.5026

Koukouvinis, P. ORCID: 0000-0002-3945-3707, Vidal-Roncero, A. ORCID: 0000-0001-8177-518X, Rodriguez, C. , Gavaises, M. ORCID: 0000-0003-0874-8534 & Pickett, L. (2020). High pressure/high temperature multiphase simulations of dodecane injection to nitrogen: Application on ECN Spray-A. Fuel, 275, 117871.. doi: 10.1016/j.fuel.2020.117871

Papoutsakis, A. ORCID: 0000-0002-5449-5921, Koukouvinis, P. ORCID: 0000-0002-3945-3707 & Gavaises, M. ORCID: 0000-0003-0874-8534 (2020). Solution of cavitating compressible flows using Discontinuous Galerkin discretisation. Journal of Computational Physics, 410, p. 109377. doi: 10.1016/j.jcp.2020.109377

Vidal Roncero, A. ORCID: 0000-0001-8177-518X, Gavaises, M. ORCID: 0000-0003-0874-8534 & Koukouvinis, P. ORCID: 0000-0002-3945-3707 (2020). Vapor-Liquid Equilibrium calculations at specified composition, density and temperature with the Perturbed Chain Statistical Associating Fluid Theory (PC-SAFT) Equation of State. Fluid Phase Equilibria, 521, 112661.. doi: 10.1016/j.fluid.2020.112661

Nykteri, G., Koukouvinis, P. ORCID: 0000-0002-3945-3707, Avila, S. R. G. , Ohl, C-D. & Gavaises, M. ORCID: 0000-0003-0874-8534 (2020). A Σ-ϒ two-fluid model with dynamic local topology detection: Application to high-speed droplet impact. Journal of Computational Physics, 408, 109225. doi: 10.1016/j.jcp.2019.109225

Cristofaro, M., Edelbauer, W., Koukouvinis, P. ORCID: 0000-0002-3945-3707 & Gavaises, M. ORCID: 0000-0003-0874-8534 (2020). Influence of diesel fuel viscosity on cavitating throttle flow simulations at erosive operation conditions. ACS Omega, 5(13), pp. 7182-7192. doi: 10.1021/acsomega.9b03623

Nazeer, Y. H., Ehmann, M., Koukouvinis, P. ORCID: 0000-0002-3945-3707 & Gavaises, M. ORCID: 0000-0003-0874-8534 (2019). The Influence of geometrical and operational parameters on internal flow characteristics of Internally Mixing Twin-Fluid Y-Jet Atomizers. Atomization and Sprays, doi: 10.1615/atomizspr.2019030944

Cristofaro, M., Edelbauer, W., Koukouvinis, P. ORCID: 0000-0002-3945-3707 & Gavaises, M. ORCID: 0000-0003-0874-8534 (2019). A numerical study on the effect of cavitation erosion in a Diesel injector. Applied Mathematical Modelling, doi: 10.1016/j.apm.2019.09.002

Brunhart, M., Soteriou, C., Daveau, C. , Gavaises, M. ORCID: 0000-0003-0874-8534, Koukouvinis, P. ORCID: 0000-0002-3945-3707 & Winterbourn, M. (2019). Cavitation erosion risk indicators for a thin gap within a diesel fuel pump. Wear, doi: 10.1016/j.wear.2019.203024

Stavropoulos Vasilakis, E., Kyriazis, N., Koukouvinis, P. , Farhat, M. & Gavaises, M. ORCID: 0000-0003-0874-8534 (2019). Cavitation Induction by Projectile Impacting on a Water Jet. International Journal of Multiphase Flow, doi: 10.1016/j.ijmultiphaseflow.2019.03.001

Karathanassis, I. K. ORCID: 0000-0001-9025-2866, Trickett, K., Koukouvinis, P. ORCID: 0000-0002-3945-3707 , Wang, J., Barbour, R. & Gavaises, M. ORCID: 0000-0003-0874-8534 (2018). Illustrating the effect of viscoelastic additives on cavitation and turbulence with X-ray imaging. Scientific Reports, 8, p. 14968. doi: 10.1038/s41598-018-32996-w

Kyriazis, N., Koukouvinis, P. ORCID: 0000-0002-3945-3707 & Gavaises, M. ORCID: 0000-0003-0874-8534 (2018). Modelling cavitation during drop impact on solid surfaces. Advances in Colloid and Interface Science, 260, pp. 46-64. doi: 10.1016/j.cis.2018.08.004

Vidal, A., Rodriguez, C., Koukouvinis, P. ORCID: 0000-0002-3945-3707 , Gavaises, M. ORCID: 0000-0003-0874-8534 & McHugh, M. A. (2018). Modelling of Diesel fuel properties through its surrogates using Perturbed-Chain, Statistical Associating Fluid Theory. International Journal of Engine Research, doi: 10.1177/1468087418801712

Rodriguez, C., Vidal, A., Koukouvinis, P. ORCID: 0000-0002-3945-3707 , Gavaises, M. ORCID: 0000-0003-0874-8534 & McHugh, M. A. (2018). Simulation of transcritical fluid jets using the PC-SAFT EoS. Journal of Computational Physics, 374, doi: 10.1016/j.jcp.2018.07.030

Zeng, Q., Gonzalez-Avila, S. R., Dijkink, R. , Koukouvinis, P. ORCID: 0000-0002-3945-3707, Gavaises, M. ORCID: 0000-0003-0874-8534 & Ohl, C-D. (2018). Wall shear stress from jetting cavitation bubbles. Journal of Fluid Mechanics, 846, pp. 341-355. doi: 10.1017/jfm.2018.286

Mithun, M-G, Koukouvinis, P. ORCID: 0000-0002-3945-3707 & Gavaises, M. ORCID: 0000-0003-0874-8534 (2018). Numerical simulation of cavitation and atomization using a fully compressible three-phase model. Physical Review Fluids, 3(6), 064304. doi: 10.1103/PhysRevFluids.3.064304

Koukouvinis, P. ORCID: 0000-0002-3945-3707, Strotos, G., Zeng, Q. , Gonzalez-Avila, S. R., Theodorakakos, A., Gavaises, M. ORCID: 0000-0003-0874-8534 & Ohl, C-D. (2018). Parametric Investigations of the Induced Shear Stress by a Laser-Generated Bubble. Langmuir, 34(22), pp. 6428-6442. doi: 10.1021/acs.langmuir.8b01274

Naseri, H., Trickett, K., Mitroglou, N. ORCID: 0000-0002-2955-8716 , Karathanassis, I. K. ORCID: 0000-0001-9025-2866, Koukouvinis, P. ORCID: 0000-0002-3945-3707, Gavaises, M. ORCID: 0000-0003-0874-8534, Barbour, R., Diamond, D., Rogers, S. E., Santini, M. & Wang, J. (2018). Turbulence and Cavitation Suppression by Quaternary Ammonium Salt Additives. Scientific Reports, 8, 7636.. doi: 10.1038/s41598-018-25980-x

Naseri, H., Koukouvinis, P., Malgarinos, I. & Gavaises, M. ORCID: 0000-0003-0874-8534 (2018). On viscoelastic cavitating flows: A numerical study. Physics of Fluids, 30(3), 033102. doi: 10.1063/1.5011978

Karathanassis, I. K. ORCID: 0000-0001-9025-2866, Koukouvinis, P. ORCID: 0000-0002-3945-3707, Kontolatis, E. , Lee, Z, Wang, J, Mitroglou, N. ORCID: 0000-0002-2955-8716 & Gavaises, M. ORCID: 0000-0003-0874-8534 (2018). High-speed visualization of vortical cavitation using synchrotron radiation. Journal of Fluid Mechanics, 838, pp. 148-164. doi: 10.1017/jfm.2017.885

Koukouvinis, P. ORCID: 0000-0002-3945-3707, Kyriazis, N. & Gavaises, M. ORCID: 0000-0003-0874-8534 (2018). Smoothed particle hydrodynamics simulation of a laser pulse impact onto a liquid metal droplet. PLoS One, 13(9), e0204125. doi: 10.1371/journal.pone.0204125

Koukouvinis, P., Bruecker, C. & Gavaises, M. (2017). Unveiling the physical mechanism behind pistol shrimp cavitation. Scientific Reports, 7(1), 13994.. doi: 10.1038/s41598-017-14312-0

Karathanassis, I. K., Koukouvinis, P. & Gavaises, M. (2017). Comparative evaluation of phase-change mechanisms for the prediction of flashing flows. International Journal of Multiphase Flow, 95, pp. 257-270. doi: 10.1016/j.ijmultiphaseflow.2017.06.006

Kyriazis, N., Koukouvinis, P. & Gavaises, M. (2017). Numerical investigation of bubble dynamics using tabulated data. International Journal of Multiphase Flow, 93, pp. 158-177. doi: 10.1016/j.ijmultiphaseflow.2017.04.004

Koukouvinis, P., Karathanassis, I. K. & Gavaises, M. (2017). Prediction of cavitation and induced erosion inside a high-pressure fuel pump. International Journal of Engine Research, doi: 10.1177/1468087417708137

Koukouvinis, P., Mitroglou, N., Gavaises, M. , Lorenzi, M. & Santini, M. (2017). Quantitative predictions of cavitation presence and erosion-prone locations in a high-pressure cavitation test rig. Journal of Fluid Mechanics, 819, pp. 21-57. doi: 10.1017/jfm.2017.156

Koukouvinis, P., Naseri, H. & Gavaises, M. (2017). Performance of turbulence and cavitation models in prediction of incipient and developed cavitation. International Journal of Engine Research, 18(4), pp. 333-350. doi: 10.1177/1468087416658604

Koukouvinis, P., Gavaises, M., Li, J. & Wang, L. (2016). Large Eddy Simulation of Diesel injector including cavitation effects and correlation to erosion damage. Fuel, 175, pp. 26-39. doi: 10.1016/j.fuel.2016.02.037

Koukouvinis, P., Gavaises, M., Supponen, O. & Farhat, M. (2016). Simulation of bubble expansion and collapse in the vicinity of a free surface. Physics of Fluids, 28(5), 052103.. doi: 10.1063/1.4949354

Koukouvinis, P., Gavaises, M., Georgoulas, A. & Marengo, M. (2016). Compressible simulations of bubble dynamics with central-upwind schemes. International Journal of Computational Fluid Dynamics, 30(2), pp. 129-140. doi: 10.1080/10618562.2016.1166216

Koukouvinis, P., Gavaises, M., Supponen, O. & Farhat, M. (2016). Numerical simulation of a collapsing bubble subject to gravity. Physics of Fluids, 28(3), doi: 10.1063/1.4944561

Karathanassis, I. K., Koukouvinis, P. & Gavaises, M. (2016). Topology and distinct features of flashing flow in an injector nozzle. Atomization and Sprays, 26(12), pp. 1307-1336. doi: 10.1615/AtomizSpr.2016016510

Koukouvinis, P., Bergeles, G. & Gavaises, M. (2015). A cavitation aggressiveness index within the Reynolds averaged Navier Stokes methodology for cavitating flows. Journal of Hydrodynamics, Ser. B, 27(4), pp. 579-586. doi: 10.1016/S1001-6058(15)60519-4

Georgoulas, A., Koukouvinis, P., Gavaises, M. & Marengo, M. (2015). Numerical investigation of quasi-static bubble growth and detachment from submerged orifices in isothermal liquid pools: The effect of varying fluid properties and gravity levels. International Journal of Multiphase Flow, 74, pp. 59-78. doi: 10.1016/j.ijmultiphaseflow.2015.04.008

Strotos, G., Koukouvinis, P., Theodorakakos, A. , Gavaises, M. & Bergeles, G. (2015). Transient heating effects in high pressure Diesel injector nozzles. International Journal of Heat and Fluid Flow, 51, pp. 257-267. doi: 10.1016/j.ijheatfluidflow.2014.10.010

Koukouvinis, P., Gavaises, M., Georgoulas, A. & Marengo, M. (2015). Compressible bubble dynamic simulations with central-upwind schemes. Journal of Physics: Conference Series, 656(1), 012087. doi: 10.1088/1742-6596/656/1/012087

Bergeles, G., Koukouvinis, P., Gavaises, M. , Li, J. & Wang, L. (2015). An Erosion Aggressiveness Index (EAI) Based on Pressure Load Estimation Due to Bubble Collapse in Cavitating Flows Within the RANS Solvers. SAE International Journal of Engines, 8(5), pp. 2276-2284. doi: 10.4271/2015-24-2465

Naseri, H., Koukouvinis, P. & Gavaises, M. (2015). Evaluation of Turbulence Models Performance in Predicting Incipient Cavitation in an Enlarged Step-Nozzle. Journal of Physics: Conference Series, 656(1), 012095. doi: 10.1088/1742-6596/656/1/012095

Salemi, R., Koukouvinis, P., Strotos, G. , McDavid, R., Wang, L., Li, J., Marengo, M. & Gavaises, M. (2015). Evaluation of friction heating in cavitating high pressure Diesel injector nozzles. Journal of Physics: Conference Series, 656(1), 012083. doi: 10.1088/1742-6596/656/1/012083

Koukouvinis, P., Gavaises, M., Li, J. & Wang, L. (2015). Large Eddy Simulation of diesel injector opening with a two phase cavitation model. Journal of Physics: Conference Series, 656(1), 012088. doi: 10.1088/1742-6596/656/1/012088

Koukouvinis, P. & Gavaises, M. (2015). Simulation of throttle flow with two phase and single phase homogenous equilibrium model. Journal of Physics: Conference Series, 656(1), 012086. doi: 10.1088/1742-6596/656/1/012086

Gavaises, M., Villa, F., Koukouvinis, P. , Marengo, M. & Franc, J-P. (2015). Visualisation and les simulation of cavitation cloud formation and collapse in an axisymmetric geometry. International Journal of Multiphase Flow, 68, pp. 14-26. doi: 10.1016/j.ijmultiphaseflow.2014.09.008

Conference or Workshop Item

Rodriguez, C., Rokni, H. B., Koukouvinis, P. ORCID: 0000-0002-3945-3707 , Gupta, A. & Gavaises, M. ORCID: 0000-0003-0874-8534 (2019). CFD simulation of pseudo-diesel injections at high-load conditions employing the PC-SAFT EoS and VLE calculations. Paper presented at the ILASS–Europe 2019, 29th Conference on Liquid Atomization and Spray Systems, 2 - 4 September 2019, Paris, France.

Nykteri, G., Koukouvinis, P. ORCID: 0000-0002-3945-3707, Gonzalez Avila, S. R. , Ohl, C-D. & Gavaises, M. ORCID: 0000-0003-0874-8534 (2019). Numerical investigation of high-speed droplet impact using a multiscale two-fluid approach. Paper presented at the 29th European Conference on Liquid Atomization and Spray Systems, 2-4 Sep 2019, Paris, France.

Vidal Roncero, A. ORCID: 0000-0001-8177-518X, Koukouvinis, P. ORCID: 0000-0002-3945-3707 & Gavaises, M. ORCID: 0000-0003-0874-8534 (2019). Effect of Diesel injection pressures up to 450MPa on in-nozzle flow using realistic multicomponent surrogates. Paper presented at the ILASS 2019 - 29th European Conference on Liquid Atomization and Spray Systems, 2 - 4 September 2019, Paris, France.

Brunhart, M., Soteriou, C., Daveau, C. , Gavaises, E., Koukouvinis, P. & Winterbourn, M. (2018). Investigation on the removal of the cavitation erosion risk in a control orifice inside a prototype diesel injector. Paper presented at the Fuel Systems - Engines, 04 - 05 December 2019, London, UK.

Nykteri, G., Koukouvinis, P. ORCID: 0000-0002-3945-3707 & Gavaises, M. ORCID: 0000-0003-0874-8534 (2018). A Compressible Σ-Υ Two-Fluid Atomization Model with Dynamic Interface Sharpening based on Flow Topology Detection. Paper presented at the 14th International Conference on Liquid Atomization and Spray Systems, 22 - 26 July 2018, Chicago, Illinois.

Vidal Roncero, A. ORCID: 0000-0001-8177-518X, Gavaises, M. ORCID: 0000-0003-0874-8534, Koukouvinis, P. ORCID: 0000-0002-3945-3707 & Rodriguez, C. (2018). Effect of realistic multicomponent diesel surrogates on predicted in-nozzle flow and cavitation. Paper presented at the ICLASS 2018, 22-26 Jul 2018, Chicago, USA.

Rodriguez, C., Vidal, A., Koukouvinis, P. & Gavaises, M. (2018). Simulation of transcritical Diesel jets using the PC-SAFT EoS. Paper presented at the ICLASS 2018, 22-26 Jul 2018, Chicago, USA.

Karathanassis, I. K. ORCID: 0000-0001-9025-2866, Koukouvinis, P. ORCID: 0000-0002-3945-3707, Lorenzi, M. , Kontolatis, E., Li, Z., Wang, J., Mitroglou, N. & Gavaises, M. ORCID: 0000-0003-0874-8534 (2017). High-speed X-Ray Phase-Contrast Imaging of String Cavitation in an Enlarged Diesel-Injector Orifice Replica. Paper presented at the ILASS–Europe 2017, 28th Conference on Liquid Atomization and Spray Systems, 6 - 8 September 2017, 6 - 8 September 2017 Valencia, Spain. doi: 10.4995/ILASS2017.2017.4996

Cristofaro, M., Edelbauer, W., Gavaises, M. ORCID: 0000-0003-0874-8534 & Koukouvinis, P. ORCID: 0000-0002-3945-3707 (2017). Numerical simulation of compressible cavitating two-phase flows with a pressure-based solver. Paper presented at the ILASS–Europe 2017, 28th Conference on Liquid Atomization and Spray Systems, 6-8 September 2017, Valencia, Spain. doi: 10.4995/ILASS2017.2017.4629

Rodriguez, C., Vidal Roncero, A., Koukouvinis, P. ORCID: 0000-0002-3945-3707 & Gavaises, M. ORCID: 0000-0003-0874-8534 (2017). Supercritical and transcritical real-fluid mixing using the PC-SAFT EOS. Paper presented at the ILASS 2017 - 28th European Conference on Liquid Atomization and Spray Systems, 6 - 8 September 2017, Valencia, Spain. doi: 10.4995/ILASS2017.2017.5000

Koukouvinis, P., Bergeles, G. & Gavaises, M. (2014). A new methodology for estimating cavitation erosion: Application on a high speed cavitation test RIG. Paper presented at the 11th World Congress on Computational Mechanics (WCCM XI), 20-25 Jul 2014, Barcelona, Spain.

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