Search Results - "Koukouvinis, P."

Comparative evaluation of phase-change mechanisms for the prediction of flashing flows by Karathanassis, I.K., Koukouvinis, P., Gavaises, M.

“…•Numerical investigation of flash boiling in wall-confined flows.•Different modelling approaches for predicting phase-change comparatively examined.•Effect of…”
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Complex multicomponent real-fluid thermodynamic model for high-pressure Diesel fuel injection by Rodriguez, C., Rokni, Houman B., Koukouvinis, P., Gupta, Ashutosh, Gavaises, M.

“…The Perturbed-Chain Statistical Associating Fluid Theory (PC-SAFT) has been coupled with Vapor-Liquid Equilibrium (VLE) calculations in a density-based solver…”
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Simulation of transcritical fluid jets using the PC-SAFT EoS by Rodriguez, C., Vidal, A., Koukouvinis, P., Gavaises, M., McHugh, M.A.

“…The present paper describes a numerical framework to simulate transcritical and supercritical flows utilising the compressible form of the Navier–Stokes…”
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Modelling of liquid oxygen nozzle flows under subcritical and supercritical pressure conditions by Lyras, T., Karathanassis, I.K., Kyriazis, N., Koukouvinis, P., Gavaises, M.

“…•Numerical framework for wall-bounded flashing flow of cryogenic liquids proposed.•Evaluation of pressure- and density-based solvers with different…”
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Illustrating the effect of viscoelastic additives on cavitation and turbulence with X-ray imaging by Karathanassis, I. K., Trickett, K., Koukouvinis, P., Wang, J., Barbour, R., Gavaises, M.

“…The effect of viscoelastic additives on the topology and dynamics of the two-phase flow arising within an axisymmetric orifice with a flow path constriction…”
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Cavitation induction by projectile impacting on a water jet by Stavropoulos Vasilakis, E., Kyriazis, N., Koukouvinis, P., Farhat, M., Gavaises, M.

“…•Immersed Boundary Method coupled with multiphase flow solver accounting cavitation.•Cavitation structures unveiled upon solid projectile impact on water…”
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Combined visualisation of cavitation and vortical structures in a real-size optical diesel injector by Karathanassis, I. K., Hwang, J., Koukouvinis, P., Pickett, L., Gavaises, M.

“…A high-speed flow visualisation set-up comprising of combined diffuse backlight illumination (DBI) and schlieren imaging has been developed to illustrate the…”
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A cavitation aggressiveness index within the Reynolds averaged Navier Stokes methodology for cavitating flows by KOUKOUVINIS, P., BERGELES, G., GAVAISES, M.

“…The paper proposes a methodology within the Reynolds averaged Navier Stokes（RANS） solvers for cavitating flows capable of predicting the flow regions of bubble…”
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Simulation of supercritical diesel jets using the PC-SAFT EoS by Rodriguez, C., Koukouvinis, P., Gavaises, M.

“…[Display omitted] •The properties of real multi-component Diesel fuel are modelled using the PC-SAFT EoS.•The PC-SAFT EoS is coupled with a compressible…”
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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 by Georgoulas, A., Koukouvinis, P., Gavaises, M., Marengo, M.

“…•Validation of an improved VOF model for bubble growth from submerged orifices.•Conduction of a wide range of parametric numerical experiments.•Investigation…”
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Modelling of liquid oxygen and nitrogen injection under flashing conditions by Lyras, T., Karathanassis, I.K., Kyriazis, N., Koukouvinis, P., Gavaises, M.

“…•A universal modelling methodology suitable for cryogenic flashing flows is introduced.•Comparative assessment of a density and a pressure-based solver with…”
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