ESR 1: Onur Baran (CITY)
Onur earned his bachelor’s degree and master’s degree in Aerospace Engineering from Middle East Technical University (METU), Turkey. His studies mainly focused on experimental fluid dynamics and CFD analysis. He wrote his master thesis on the title “Experimental and Numerical Investigation of Coaxial Pressure Swirl Injectors”. He also worked as a research engineer at TUBITAK SAGE (Ankara) at the propulsion systems division. Since November 2020, Onur works as an Early Stage Researcher of EDEM project and pursues his PhD at the City, University of London.
Project Title: In-nozzle flow and near-nozzle atomisation characterisation in optical injector nozzles
Objectives: (1) To develop an experimental facility to visualize within and at the outlet region of real-size and enlarged orifices (2) To quantity the effect on in-nozzle phase change on spray atomisation and dynamics
ESR 2: Alexander Lauterkorn (BRUNEL)
Alexander earned his bachelor’s degree in Engineering in Nuremberg, Germany, in 2017, and he wrote his bachelor’s thesis „Thermal calculation of a radiator battery” within the Siemens AG. In 2019 he completed his master’s studies. The title of his master’s thesis, which he wrote within the Continental AG, is „Machine learning for an R744 circulatory system”. Since March 2020 he works as an Early Stage Researcher of the EDEM project and pursues his PhD at the Brunel University London.
Project Title: Optical measurements for injection and fuel mixing in transparent ICE
Objectives: (1) To visualise the in-cylinder mixture formation and combustion processes in a dual fuel engine with advanced injection strategies (2) To investigate the effect of premixed fuel properties on the dual fuel combustion processes
ESR 3: Hamidreza Fajri (FAU)
Hamidreza studied Mechanical Engineering at Khajeh Nasir Toosi University of Technology, Iran, in the field of Vehicle Powertrain System. His master thesis was about the simulation of reactivity controlled compression ignition (RCCI) engines. During his master of science, he joined Irankhodro Powertrain Company, Iran, and pursued his studies in several majors including internal combustion engine, air flow field and engine 3D simulation. He also worked as a technical advisor for several master and Ph.D. students. He is currently enrolled in a PhD program at Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), in collaboration with Perkins Engines Co Ltd, UK, and CPT Group GmbH, Germany, working on combustion and spray of dual fuel engines.
Project Title: Optical measurements for fuel mixing in CVC
Objectives: (1) To characterize the mixing process of the directly injected diesel with the ambient gas for different fuel and ambient gas compositions. (2) To quantify the effect of the intake gaseous stream thermodynamic properties on the mixing process with the pilot fuel
ESR 4: Rafael Clemente Mallada (FAU)
Rafael took a degree in Aerospace Engineering with an Aerospace Prolusion concentration at the Technical University of Madrid (UPM-ETSIAE) in 2018. As bachelor’s Final Project he collaborated in an experimental study about passive scalars transportation in confined flows at laminar regime. A test rig was built and a series of experiments using the Particle Image Velocimetry technique were carried on. The results were published in a research article of the journal “Experimental Thermal and Fluid Science”. He pursued his studies at UPM and now he holds a MSc in Aeronautical Engineering. In 2019 he benefited from a collaboration within ETSIAE’s Thermo-fluid Dynamics Systems and Microsystems Research Group implementing a 2D9Q LBM code.
Currently he is enrolled to an EID partnered by Perkins Engines and Caterpillar Fuel Systems at Friedrich Alexander Universität, working within a leading research group in experimental investigation of high-pressure flows and laser diagnostic procedures in engine combustion.
Project Title: Optical measurements for ignition and combustion in RCM
Objectives: (1) To characterize the ignition and combustion processes of the pilot diesel with the gaseous-fuel primary under engine relevant conditions in a rapid compression machine (RCM). (2) To compare the RCM results to CVC results (collaboration with ESR3) and the results on emissions NOx and unburnt HC measured in engine test (collaboration with ESR2) in order to identify a possible correlation between RCM results and engine exhaust emissions database.
ESR 5: Raffaele Bellini (CITY)
Raffaele earned his bachelor’s degree in Mechanical Engineering and his master’s degree in Aeronautical Engineering from Politecnico di Milano, Italy. He has research experience in the numerical study of “FEM analysis relevant to Formula 1, Rally and NASCAR brake callipers” (Brembo S.p.A.), and of “the breakup of Aluminum Oxide in a multiphase and supersonic flow inside a Solid Rocket Motor” (Space Propulsion LABoratory, Politecnico di Milano). Raffaele is now pursuing his PhD at CITY in collaboration with Woodward L’Orange.
Project title: DNS for collapsing bubble dynamics and surface erosion for fuel mixtures
Objectives: (1) To develop an algorithm capable of resolving the collapse of a single and a cloud of bubbles (2) To validate the solver against published and newly obtained data. (3) To develop a sub-grid model for cavitation-induced erosion
ESR 6: Yu Jiao (TUM)
Yu Jiao earned his bachelor’s degree at China University of Mining and Technology in 2017. In 2020 he completed his master’s degree at Tianjin University, China. His research (related to the indirect air-cooling tower) won the National 1st Prize of a contest on Energy Saving & Emission Reduction, in the year 2015. His numerical studies (flow control and heat transfer enhancement) were published in International Journal of Heat and Mass Transfer(2019, 2020) and International Journal of Thermal Sciences(2020). Since 2016 he has been awarded twice the highest Chinese student honor “National Scholarship”, and he gained a full scholarship from Japan Science and Technology Agency to attend the “Japan-Asia Youth Science and Technology Exchange Program” in 2018. He currently works as an Early Stage Researcher of the EDEM project, pursuing a PhD at Technische Universität München.
Project title: DNS for fuel atomisation from dual-fuel injectors
Objectives: (1) To develop a numerical algorithm capable of handling spray/jet interaction and compressibility of all involved phases. (2) To Simulate fuel atomisation (primary break-up) for conditions relevant to dual-fuel engine conditions.
ESR7: Hesham Gaballa (IFPEN)
Hesham earned a Bachelor of Science in Aerospace engineering from Cairo University, Egypt, in July 2018, achieving distinction with honours. He pursued a master’s degree in Fluid Mechanics and Energetics at Grenoble Institute of Technology (Grenoble INP), France, in September 2018. He carried out his six-month master’s internship at the department of aerodynamics and propulsion at ISAE-Supaero in Toulouse, France. The internship focused on the performance improvement of mini-aerial vehicles using the energy harvesting flight technique. The master’s thesis work relied on CFD simulations and wind-tunnel tests. He earned his master’s degree with distinction in September 2019. In January 2020, he joined IFP Energies Nouvelles in Rueil-Malmaison, France as a PhD student in the framework of the EDEM project.
Project title: Modelling of Dual-fuel jet breakup, phase-change, and mixing
Objectives:(1) To adapt suitable EoS for the prediction of short-chain alcohol flashing atomization. (2) Simulation of fuel atomization (primary break-up) for liquid/liquid fuel stream interaction relevant to dual-fuel engine conditions.
ESR8: Matteo Calabresi (AVL)
Matteo is a M.Sc. Aeronautical Engineer. In 2018 he graduated from La Sapienza – University of Rome, Italy, summa cum laude, presenting the thesis “Modelling turbulent flows in porous media”, which was partially carried out in Germany. He has been working in CFD since then, ranging over several applications and professional realities. Since the beginning of 2019, he has been employed by AVL – initially, by one of its affiliates – as software developer, involved in combustion modeling, and is currently an external PhD student at City University of London. He has mostly dealt with AVL Tabkin™, an FGM-based chemistry solver which generates thermo-chemistry tables looked-up on the fly by the CFD solver.
Project Title: Tabulated chemistry for dual-fuel combustion simulations.
Objectives: (1) Developing a formulation of the FGM model which allows the coexistence of multiple fuels in an IC engine (2) Building up a database of thermo-chemistry tables, using the dedicated model, accounting for a wide range of gaseous and liquid fuels which will be used for the further development of the project
ESR9: Mehmet OZGUNOGLU (CHALMERS)
Mehmet earned his master’s degree in Defense Technologies from Istanbul Technical University. During his studies, turbulent combustion interaction in a reverse flow combustor is numerically investigated using LES methodology. He is currently an Early Stage Researcher and PhD student at Chalmers University of Technology within the concept of the EDEM project. Computational Fluid Dynamics applications of the Turbulent Flows are one of his main interests. His PhD project concerns computationally modelling of the cavitation-induced erosion phenomena for the dual-fuel injection systems.
Project Title: Simulation for erosion & durability of dual-fuel injection systems.
Objectives: (1) Implement an approach for the prediction of cavitation-induced erosion (2) Investigate cavitation erosion in injectors under dual-fuel operating conditions (3) Assess the effect of needle wobble on cavitation and cavitation erosion
ESR11: SARAH FEHÉR (IFPEN)
Sarah studied energy engineering at RWTH Aachen University, Germany, where she wrote her bachelor’s thesis about the modeling of confined rotating turbulent flows by large eddy simulation. She graduated in December 2020, after completing her master’s thesis on uncertainty analysis in life cycle optimization models with highest honors. She has also earned an engineering diploma with a specialization in propulsion systems from Ecole Centrale de Nantes, France, where she studied as a participant in the TIME double degree program.
During her studies, she has interned as a CFD engineer at PSA, developing aerothermal simulations for the prediction of fogging in automobile passenger cabins, and at Safran Aircraft Engines, where she researched the simulation of injection and atomization of two-phase fuel sprays.
Project Title: Modelling of Dual-Fuel Combustion by Large-Eddy Simulation
Objectives: (1)To propose an advanced modelling for dual-fuel combustion based on the Thickened Flame LES model (2) To apply the adapted TFLES model to various dual-fuel configurations including academic validations and industrial cases
ESR12: Evangelos Geber (CITY)
Evangelos studied Mechanical Engineering at the National Technical University of Athens (NTUA), Greece, and graduated in 2019. Having chosen specialization in Air and Ground Transport Vehicles, he worked on numerous group projects regarding fluid dynamics, CFD analysis as well as general mechanical design. His diploma thesis focused on modern applications of CFD analysis, investigating external wind protection and wind comfort offered by a porous fence through numerical simulations. In addition, he was a member of the Formula Student team Prom Racing for 3 years, working on CFD simulations and aerodynamic design of a prototype race car. During the time, his team attended multiple international competitions and won numerous prices. He currently works as an EDEM Early Stage Researcher, pursuing his PhD at City University of London.
Project Title: Thermodynamics of fuel mixtures, their properties and modelling using the PC-SAFT EoS
Objectives: (1) To formulate a general fuel-property prediction methodology for high-pressure/temperature conditions (2) To formulate a numerical algorithm coupling the PC-SAFT EoS with a fluid flow solver
ESR13: Daniel Costero (POLIMI)
Daniel studied Aerospace Engineering at the Technical University of Madrid (UPM), Spain, with a major in Aerospace Vehicles. He pursued a dual master’s degree: at the UPM, with a major on Aerospace Propulsion, and at the ISAE-ENSMA (Poitiers) with a major on Combustion.
He worked as a research assistant at the Fluid Mechanics department at UPM applying Machine Learning techniques to geothermic problems. He completed his final thesis at ISAE-SUPAERO (Toulouse) working on the modelling of compressible effects on transonic flows with Deep Learning techniques, and he continued working there as a graduate researcher for 6 months. Currently, he is enrolled to a PhD program at Politecnico di Milano, in collaboration with Perkins Engines, working on the handling of dynamic meshes with topological changes and its application to Immersed Boundary Methods in order to accelerate the simulation of flows inside Internal Combustion engines.
Project Title: Methodology for automatic mesh refinement; application to simulation of combustion in dual-fuel engines
Objectives: (1) To test state-of-the-art methodologies for automatic mesh refinement to generate and treat dynamic grids in computational domains resembling dual-fuel engine geometries (2) To implement a novel methodology based on overset grids and automatic mesh refinement for efficient handling of dynamic grids with relevance to dual-fuel mixing and combustion simulations.
ESR14: Marija Stipic (AVL)
Marija earned her master’s degree in Mechanical Engineering from the University of Zagreb, Croatia, with the highest honours in December 2019. During her studies in the Faculty of Mechanical Engineering and Naval Architecture, she completed internships at BMW in Munich and at Siemens in Hamburg. In the final year of her study she conducted the master’s thesis in the field of computational fluid dynamics. Since March 2020, she is pursuing her PhD studies as an Early Stage Researcher of the EDEM project at AVL Graz with the degree granted by the Technical University of Munich.
Project Title: Scalable simulation of engine emissions for a wide range of fuels and operating points
Objectives: (1) Coupling of URANS simulations and LES with detailed dual-fuel chemical kinetics (2) Extension of URANS models for auto-ignition/flame propagation transition in dual-fuel combustion utilising the flame thickening approach
ESR15: Marilia Gabriela Justino Vaz (L’ORANGE)
Marilia Gabriela earned her bachelor’s degree in Metallurgical and Materials Engineering from Universidade Federal de Minas Gerais (UFMG) in Brazil, in 2015. During her undergraduate studies, she worked with CFD applied to ethanol engines and participated in two international exchange programs, in Portugal, and in France. Being keen on internal combustion engine development, she remained at UFMG and in 2018 she earned a master’s degree in Mechanical Engineering. In 2019 she worked on a contract basis for eleven months at Hochschule Heilbronn as a research engineer with numerical simulations and thermodynamic testing of variable compression ratio engines. Currently, she works at Woodward L’Orange in the EDEM project and is an external PhD student at CITY, University of London.
Project Title: Dual-fuel engine design concepts through effective CFD simulation tools.
Objectives: (1) To propose design concepts for novel dual-fuel engines for heavy-duty and marine dual-fuel engines (2) To optimize injection timing based on load and fuel mixture composition for maximum engine performance with reduced emissions