Search Results - "Vogiatzaki, Konstantina"

Unveiling the dynamics of ultra high velocity droplet impact on solid surfaces by Tretola, Giovanni, Vogiatzaki, Konstantina

“…The impact of a liquid droplet onto a solid surface is a phenomenon present in a wide range of natural processes and technological applications. In this study,…”
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Overview of Common Thermophysical Property Modelling Approaches for Cryogenic Fluid Simulations at Supercritical Conditions by Madana Gopal, Jaya Vignesh, Morgan, Robert, De Sercey, Guillaume, Vogiatzaki, Konstantina

“…Computational Fluid Dynamics (CFD) frameworks of supercritical cryogenic fluids need to employ Real Fluid models such as cubic Equations of State (EoS) to…”
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A Generalised Series Model for the LES of Premixed and Non-Premixed Turbulent Combustion by Zeng, Weilin, Wang, Xujiang, Luo, Kai Hong, Vogiatzaki, Konstantina, Navarro-Martinez, Salvador

“…In this study, the generality and prediction accuracy of a generalised series model for the large eddy simulation of premixed and non-premixed turbulent…”
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Numerical Treatment of the Interface in Two Phase Flows Using a Compressible Framework in OpenFOAM: Demonstration on a High Velocity Droplet Impact Case by Tretola, Giovanni, Vogiatzaki, Konstantina

“…The ability to accurately predict the dynamics of fast moving and deforming interfaces is of interest to a number of applications including ink printing, drug…”
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Understanding Sub and Supercritical Cryogenic Fluid Dynamics in Conditions Relevant to Novel Ultra Low Emission Engines by Gopal, Jaya Madana, Tretola, Giovanni, Morgan, Robert, de Sercey, Guillaume, Atkins, Andrew, Vogiatzaki, Konstantina

“…In this paper we provide insight into the thermophysical properties and the dynamics of cryogenic jets. The motivation of the work is to optimise the use of…”
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Starting to Unpick the Unique Air–Fuel Mixing Dynamics in the Recuperated Split Cycle Engine by Harvey, Simon A., Vogiatzaki, Konstantina, de Sercey, Guillaume, Redpath, William, Morgan, Robert E.

“…In this work air fuel mixing and combustion dynamics in the recuperated split cycle engine (RSCE) are investigated through new theoretical analysis and…”
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Cavitation Bubble Cloud Break-Off Mechanisms at Micro-Channels by McGinn, Paul, Pearce, Daniel, Hardalupas, Yannis, Taylor, Alex, Vogiatzaki, Konstantina

“…This paper provides new physical insight into the coupling between flow dynamics and cavitation bubble cloud behaviour at conditions relevant to both…”
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Primary break-up characterisation and droplet statistics of multi-hole sprays using a probabilistic surface density methodology by Tretola, Giovanni, Navarro-Martinez, Salvador, Vogiatzaki, Konstantina

“…The work provides novel physical insight into the complex near-field flow dynamics and the primary break-up characteristics of sprays injected through…”
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Impact of thermo-physical model and mixing method on the trans- and supercritical injection simulation of liquid hydrogen by Weng, Zifeng, Tretola, Giovanni, Mével, Rémy, Vogiatzaki, Konstantina

“…The use of liquid hydrogen (LH2) is anticipated to enhance the volumetric energy density in future energy and transportation systems, though it necessitates…”
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Machine learning assisted characterisation and prediction of droplet distributions in a liquid jet in cross-flow by Tretola, Giovanni, McGinn, Paul, Fredrich, Daniel, Vogiatzaki, Konstantina

“…In this paper, an artificial neural network (ANN) is trained with large eddy simulation (LES) data to predict the droplet size distribution (DSD) from the…”
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Influence of the initial droplet distribution on the prediction of spray dynamics in Eulerian-Lagrangian simulations by Gerbino, Filippo, Tretola, Giovanni, Morgan, Robert, Atkins, Penny, Vogiatzaki, Konstantina

“…•Evaluation of the influence of the initial droplet distribution on the spray in LES Eulerian-Lagrangian simulations.•Three initial PDFs are tested to…”
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DNS and LES of primary atomization of turbulent liquid jet injection into a gaseous crossflow environment by Mukundan, Anirudh Asuri, Tretola, Giovanni, Ménard, Thibaut, Herrmann, Marcus, Navarro-Martinez, Salvador, Vogiatzaki, Konstantina, de Motta, Jorge César Brändle, Berlemont, Alain

“…In this paper, we study the primary atomization characteristics of liquid jet injected into a gaseous crossflow through direct numerical simulations (DNS) and…”
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Modelling of Sub-Grid Scale Reaction Rate Based on a Novel Series Model: Application to a Premixed Bluff-Body Stabilised Flame by Zeng, Weilin, Vogiatzaki, Konstantina, Navarro-Martinez, Salvador, Luo, Kai Hong

“…In this paper, a new model for closing the sub-grid reaction rate is proposed based on the series expansion of the chemical source term around the filtered…”
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The effect of timescale variation in multiple mapping conditioning mixing of PDF calculations for Sandia Flame series D-F by Straub, Carmen, De, Santanu, Kronenburg, Andreas, Vogiatzaki, Konstantina

“…A stochastic implementation of the multiple mapping conditioning (MMC) model has been used for the modelling of turbulence-chemistry interactions in a series…”
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DNS and LES of primary atomization of turbulent liquid jet injection into a gaseous crossow environment by Asuri Mukundan, Anirudh, Tretola, Giovanni, Ménard, Thibaut, Herrmann, Marcus, Navarro-Martinez, Salvador, Vogiatzaki, Konstantina, Brändle de Motta, Jorge César C, Berlemont, Alain

“…In this paper, we study the primary atomization characteristics of liquid jet injected into a gaseous crossow through direct numerical simulations (DNS) and…”
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Stochastic and deterministic multiple mapping conditioning for turbulent reacting jets by Vogiatzaki, Konstantina

“…The work presented in this thesis explores the feasibility of the Multiple Mapping Conditioning (MMC) approach and its closures for real (laboratory) flames…”
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