Search Results - "Baratta, Mirko"

High-Performance Hydrogen-Fueled Internal Combustion Engines: Feasibility Study and Optimization via 1D-CFD Modeling by Misul, Daniela A., Scopelliti, Alex, Baratta, Mirko

“…Hydrogen-powered mobility is believed to be crucial in the future, as hydrogen constitutes a promising solution to make up for the non-programmable character…”
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Experimental and CFD Investigation of Fuel Mixing in an Optical-Access Direct-Injection NG Engine and Correlation with Test Rig Combustion and Performance Data by Misul, Daniela, Baratta, Mirko, Xu, Jiajie, Fuerhapter, Alois, Heindl, Rene

“…The present paper is the result of a cooperation between Politecnico di Torino and AVL List Gmbh within a recent collaborative research project funded by the…”
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Conjugate Heat Transfer Analysis of the Aero-Thermal Impact of Different Feeding Geometries for Internal Cooling in Lifetime Extension Processes for Heavy-Duty Gas Turbines by Laveneziana, Lorenzo, Rosafio, Nicola, Salvadori, Simone, Misul, Daniela, Baratta, Mirko, Forno, Luca, Valsania, Massimo, Toppino, Marco

“…Regulations from the European Union move towards a constant reduction of pollutant emissions to match the single-digit goal by 2050. Original equipment…”
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CFD modelling of natural gas combustion in IC engines under different EGR dilution and H2-doping conditions by Baratta, Mirko, Chiriches, Silvestru, Goel, Prashant, Misul, Daniela

“…•An accurate and efficient CFD model for NG engines is presented.•Natural gas doping with hydrogen decreases the combustion Karlowitz number.•An increase in…”
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Combustion Characterization in a Diffusive Gas Turbine Burner for Hydrogen-Compliant Applications by Carusotto, Salvatore, Goel, Prashant, Baratta, Mirko, Misul, Daniela Anna, Salvadori, Simone, Cardile, Francesco, Forno, Luca, Toppino, Marco, Valsania, Massimo

“…The target of net-zero emissions set by the 2015 Paris Agreement has strongly commissioned the energy production sector to promote decarbonization, renewable…”
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Modelling Aspects in the Simulation of the Diffusive Flame in A Bluff-Body Geometry by Di Mauro, Alessandro, Ravetto, Marco, Goel, Prashant, Baratta, Mirko, Misul, Daniela Anna, Salvadori, Simone, Rothbauer, Rainer, Gretter, Riccardo

“…Gas turbines are expected to play a key role in the energy production scenario in the future, and the introduction of carbon-free fuels is fundamental for the…”
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Mixture formation analysis in a direct-injection NG SI engine under different injection timings by Baratta, Mirko, Rapetto, Nicola

“…•The mixture formation process in a direct-injection NG engine is investigated.•Experimental and CFD results are presented and discussed in detail.•The effect…”
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Development and application of a method for characterizing mixture formation in a port-injection natural gas engine by Baratta, Mirko, Misul, Daniela, Xu, Jiajie

“…•A study of mixture formation in port-fuel, natural gas engines is presented.•Gas fuel injection is numerically modeled by a source cell method.•The model is…”
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Development of a method for the estimation of the behavior of a CNG engine over the NEDC cycle and its application to quantify for the effect of hydrogen addition to methane operations by Baratta, Mirko, Misul, Daniela

“…•A reduced number of engine operating points was selected to simulate the NEDC cycle.•A thorough experimental and numerical analysis was carried out for the…”
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Combustion chamber design for a high-performance natural gas engine: CFD modeling and experimental investigation by Baratta, Mirko, Misul, Daniela, Viglione, Ludovico, Xu, Jiajie

“…•The combined optimization of cylinder head and compression ratio is carried out.•The configuration with mask allows an increase in the tumble and…”
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Fluid-dynamic and numerical aspects in the simulation of direct CNG injection in spark-ignition engines by Baratta, Mirko, Rapetto, Nicola

“…•The strategy for the simulation of direct gas injection in engines is optimized.•An accurate numerical models is developed and validated.•The grid and…”
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Multi-zone thermodynamic modeling of combustion and emission formation in CNG engines using detailed chemical kinetics by Baratta, Mirko, Ferrari, Alessandro, Zhang, Qing

“…•A multi-zone combustion model with chemical kinetics is validated considering experimental data.•The model allows detailed results to be obtained of all the…”
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Development and assessment of a new methodology for end of combustion detection and its application to cycle resolved heat release analysis in IC engines by Baratta, Mirko, Misul, Daniela

“…► A new methodology based on heat release intensity was developed to detect the end of combustion. ► The method is accurate and consistent for heat release…”
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Experimental and numerical approaches for the quantification of tumble intensity in high-performance SI engines by Baratta, Mirko, Misul, Daniela, Spessa, Ezio, Viglione, Ludovico, Carpegna, Giorgio, Perna, Francesco

“…•The tumble flow in a SI engine was studied both experimentally and numerically.•An HWA-based technique was successfully developed.•The intrusiveness of the…”
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Development of a High Performance Natural Gas Engine with Direct Gas Injection and Variable Valve Actuation by Baratta, Mirko, Misul, Daniela, Xu, Jiajie, Fuerhapter, Alois, Heindl, Rene, Peletto, Cesare, Preuhs, Jean, Salemi, Patrick

“…Natural gas is a promising alternative fuel for internal combustion engine application due to its low carbon content and high knock resistance. Performance of…”
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Comparison between Internal and External EGR Performance on a Heavy Duty Diesel Engine by Means of a Refined 1D Fluid-Dynamic Engine Model by Baratta, Mirko, Finesso, Roberto, Misul, Daniela, Spessa, Ezio

“…The potential of internal EGR (iEGR) and external EGR (eEGR) in reducing the engine-out NOx emissions in a heavy-duty diesel engine has been investigated by…”
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Investigation into the Potentials of a Dedicated Multi-Point Injection System for a Production NG Single-Point Heavy-Duty Engine by Baratta, Mirko, Kheshtinejad, Hamed, Laurenzano, Danilo, Maino, Claudio, Misul, Daniela Anna

“…CNG is at present retaining a growing interest as a factual alternative to traditional fuels for SI engines, thanks to its high potentials in reducing the…”
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Multi-Dimensional Modeling of Direct Natural-Gas Injection and Mixture Formation in a Stratified-Charge SI Engine with Centrally Mounted Injector by Baratta, Mirko, Catania, Andrea E, Spessa, Ezio, Herrmann, Lothar, Roessler, Klaus

“…Direct injection (DI) of natural gas (NG) at high pressure conditions has emerged as a high-potential strategy for improving SI engine performance. Besides, DI…”
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Use of an Innovative Predictive Heat Release Model Combined to a 1D Fluid-Dynamic Model for the Simulation of a Heavy Duty Diesel Engine by Baratta, Mirko, Finesso, Roberto, Kheshtinejad, Hamed, Misul, Daniela, Spessa, Ezio, Yang, Yixin, Arcidiacono, Massimo

“…An innovative 0D predictive combustion model for the simulation of the HRR (heat release rate) in DI diesel engines was assessed and implemented in a 1D…”
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Modelling aspects of a CNG injection system to predict its behavior under steady state conditions and throughout driving cycle simulations by Baratta, Mirko, Kheshtinejad, Hamed, Laurenzano, Danilo, Misul, Daniela, Brunetti, Stefano

“…Alternative fuels such as compressed natural gas (CNG) have lately gained an increasing interest due to the even more stringent emission regulations and…”
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