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Mirko Baratta
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Journal Articles

Evaluation of No x Emissions Associated to Non-Premixed Combustion of H 2 /Natural Gas Blends in a 40 MW Heavy-Duty Gas Turbine

Salvatore Carusotto, Giovanni Labrini, Simone Salvadori, Mirko Baratta, Francesco Cardile, Marco Toppino, Massimo Valsania, Daniela Misul
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. December 2023, 145(12): 121020.
Paper No: GTP-23-1363
https://doi.org/10.1115/1.4063525
Published Online: October 26, 2023
View Article titled, Evaluation of No x Emissions Associated to Non-Premixed Combustion of H 2 /Natural Gas Blends in a 40 MW Heavy-Duty Gas Turbine
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Topics: Combustion, Combustion chambers, Emissions, Fuels, Gas turbines, Hydrogen, Nitrogen oxides, Temperature, Compressed natural gas, Stress
Proceedings Papers

Evaluation of NOx Emissions Associated to Non-Premixed Combustion of H2/Natural Gas Blends in a 40MW Heavy-Duty Gas Turbine

Salvatore Carusotto, Simone Salvadori, Mirko Baratta, Daniela Misul, Giovanni Labrini, Francesco Cardile, Marco Toppino, Massimo Valsania
Proc. ASME. GT2023, Volume 3B: Combustion, Fuels, and Emissions, V03BT04A056, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-103822
https://doi.org/10.1115/GT2023-103822
View Paper titled, Evaluation of NOx Emissions Associated to Non-Premixed Combustion of H2/Natural Gas Blends in a 40MW Heavy-Duty Gas Turbine
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Topics: Combustion, Emissions, Gas turbines, Hydrogen, Natural gas, Nitrogen oxides
Proceedings Papers

Effect of Self-Sustained Pulsation of Coolant Flow on Adiabatic Effectiveness and Net Heat Flux Reduction on a Flat Plate

Nicola Rosafio, Simone Salvadori, Daniela Anna Misul, Mirko Baratta, Mauro Carnevale, Christian Saumweber
Proc. ASME. GT2021, Volume 5A: Heat Transfer — Combustors; Film Cooling, V05AT12A022, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-59663
https://doi.org/10.1115/GT2021-59663
View Paper titled, Effect of Self-Sustained Pulsation of Coolant Flow on Adiabatic Effectiveness and Net Heat Flux Reduction on a Flat Plate
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Topics: Coolants, Flat plates, Flow (Dynamics), Heat flux, Cooling, Cooling systems, Film cooling, Computer software, Design, Flow separation
Proceedings Papers

Redesign of the TG20 Heavy-Duty Gas Turbine to Increase Turbine Inlet Temperature and Global Efficiency

Mirko Baratta, Francesco Cardile, Daniela Anna Misul, Nicola Rosafio, Simone Salvadori, Luca Forno, Marco Toppino
Proc. ASME. GT2020, Volume 2C: Turbomachinery, V02CT35A033, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-15269
https://doi.org/10.1115/GT2020-15269
View Paper titled, Redesign of the TG20 Heavy-Duty Gas Turbine to Increase Turbine Inlet Temperature and Global Efficiency
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Topics: Computational fluid dynamics, Cooling, Gas turbines, Heat transfer, Temperature, Turbines
Proceedings Papers

Potential of the Variable Valve Actuation (VVA) Strategy on a Heavy Duty CNG Engine

Mirko Baratta, Roberto Finesso, Daniela Misul, Ezio Spessa, Yifei Tong, Cesare Peletto
Proc. ASME. ESDA2014, Volume 1: Applied Mechanics; Automotive Systems; Biomedical Biotechnology Engineering; Computational Mechanics; Design; Digital Manufacturing; Education; Marine and Aerospace Applications, V001T02A008, July 25–27, 2014
Publisher: American Society of Mechanical Engineers
Paper No: ESDA2014-20217
https://doi.org/10.1115/ESDA2014-20217
View Paper titled, Potential of the Variable Valve Actuation (VVA) Strategy on a Heavy Duty CNG Engine
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Topics: Engines, Valves, Turbochargers, Fuel consumption, Stress, Combustion, Emissions, Engineering simulation, Simulation, Torque
Journal Articles

Effects of H 2 Addition to Compressed Natural Gas Blends on Cycle-to-Cycle and Cylinder-to-Cylinder Combustion Variation in a Spark-Ignition Engine

Mirko Baratta, Stefano d'Ambrosio, Daniela Misul, Ezio Spessa
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. May 2014, 136(5): 051502.
Paper No: GTP-13-1090
https://doi.org/10.1115/1.4026163
Published Online: January 2, 2014
View Article titled, Effects of H 2 Addition to Compressed Natural Gas Blends on Cycle-to-Cycle and Cylinder-to-Cylinder Combustion Variation in a Spark-Ignition Engine
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Topics: Combustion, Cylinders, Engines, Hydrogen, Fuels, Cycles, Natural gas, Stress
Proceedings Papers

Fluid-Dynamic Characterization of a CNG Injection System

Mirko Baratta, Daniela Misul, Ezio Spessa, Giuseppe Gazzilli, Andrea Gerini
Proc. ASME. ICES2012, ASME 2012 Internal Combustion Engine Division Spring Technical Conference, 829-836, May 6–9, 2012
Publisher: American Society of Mechanical Engineers
Paper No: ICES2012-81176
https://doi.org/10.1115/ICES2012-81176
View Paper titled, Fluid-Dynamic Characterization of a CNG Injection System
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Topics: Fluids, Pressure, Rails, Engines, Fuels, Flow (Dynamics), Air pollution control, Design, Dynamic response, Dynamics (Mechanics)
Proceedings Papers

Effects of H2 Addition to CNG Blends on Cycle-to-Cycle and Cylinder-to-Cylinder Combustion Variation in an SI Engine

Mirko Baratta, Stefano d’Ambrosio, Daniela Misul, Ezio Spessa
Proc. ASME. ICES2012, ASME 2012 Internal Combustion Engine Division Spring Technical Conference, 189-202, May 6–9, 2012
Publisher: American Society of Mechanical Engineers
Paper No: ICES2012-81187
https://doi.org/10.1115/ICES2012-81187
View Paper titled, Effects of H2 Addition to CNG Blends on Cycle-to-Cycle and Cylinder-to-Cylinder Combustion Variation in an SI Engine
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Topics: Combustion, Cycles, Cylinders, Spark-ignition engine, Engines, Hydrogen, Pressure, Combustion chambers, Computer software, Computer-aided design
Proceedings Papers

DI-CNG Injector Characterization at Small Energizing Times by Means of Numerical Simulation

Mirko Baratta, Andrea E. Catania, Nicola Rapetto, Alois Fuerhapter, Matthias Gerlich, Wolfgang Zoels
Proc. ASME. ICES2012, ASME 2012 Internal Combustion Engine Division Spring Technical Conference, 851-862, May 6–9, 2012
Publisher: American Society of Mechanical Engineers
Paper No: ICES2012-81186
https://doi.org/10.1115/ICES2012-81186
View Paper titled, DI-CNG Injector Characterization at Small Energizing Times by Means of Numerical Simulation
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Topics: Computer simulation, Ejectors, Flow (Dynamics), Fuels, Needles, Engines, Geometry, Nozzles, Combustion chambers, Computational fluid dynamics
Journal Articles

Multidimensional Modeling of Natural Gas Jet and Mixture Formation in Direct Injection Spark Ignition Engines—Development and Validation of a Virtual Injector Model

Mirko Baratta, Andrea E. Catania, Francesco C. Pesce
Journal: Journal of Fluids Engineering
Publisher: ASME
Article Type: Research Papers
J. Fluids Eng. April 2011, 133(4): 041304.
https://doi.org/10.1115/1.4003877
Published Online: May 12, 2011
View Article titled, Multidimensional Modeling of Natural Gas Jet and Mixture Formation in Direct Injection Spark Ignition Engines—Development and Validation of a Virtual Injector Model
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Topics: Ejectors, Flow (Dynamics), Needles, Nozzles, Combustion chambers, Computer simulation, Simulation, Pressure, Engines, Methane
Journal Articles

Premixed-Diffusive Multizone Model for Combustion Diagnostics in Conventional and PCCI Diesel Engines

Mirko Baratta, Andrea E. Catania, Alessandro Ferrari, Roberto Finesso, Ezio Spessa
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research Papers
J. Eng. Gas Turbines Power. October 2011, 133(10): 102801.
https://doi.org/10.1115/1.4003048
Published Online: April 25, 2011
View Article titled, Premixed-Diffusive Multizone Model for Combustion Diagnostics in Conventional and PCCI Diesel Engines
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Topics: Combustion, Exhaust gas recirculation, Diesel engines, Fuels, Temperature, Cylinders, Oxidation, Engines
Proceedings Papers

CNG Injector Nozzle Design and Flow Prediction

Mirko Baratta, Andrea E. Catania, Francesco C. Pesce
Proc. ASME. ICEF2010, ASME 2010 Internal Combustion Engine Division Fall Technical Conference, 795-800, September 12–15, 2010
Publisher: American Society of Mechanical Engineers
Paper No: ICEF2010-35104
https://doi.org/10.1115/ICEF2010-35104
View Paper titled, CNG Injector Nozzle Design and Flow Prediction
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Topics: Design, Ejectors, Flow (Dynamics), Nozzles, Needles, Pressure, Wear, Computer simulation, Engines, Fuels
Proceedings Papers

Computational and Experimental Analysis of Direct CNG Injection and Mixture Formation in a Spark Ignition Research Engine

Mirko Baratta, Andrea E. Catania, Francesco C. Pesce
Proc. ASME. ICEF2010, ASME 2010 Internal Combustion Engine Division Fall Technical Conference, 777-793, September 12–15, 2010
Publisher: American Society of Mechanical Engineers
Paper No: ICEF2010-35103
https://doi.org/10.1115/ICEF2010-35103
View Paper titled, Computational and Experimental Analysis of Direct CNG Injection and Mixture Formation in a Spark Ignition Research Engine
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Topics: Engines, Experimental analysis, Ignition, Cycles, Ejectors, Combustion chambers, Cylinders, Combustion, Computer simulation, Fluorescence
Proceedings Papers

Turbocharged CNG Engines for Urban Transportation: Evaluation of Turbolag Reduction Strategies by Means of Computational Analyses

Mirko Baratta, Ezio Spessa
Proc. ASME. ICES2009, ASME 2009 Internal Combustion Engine Division Spring Technical Conference, 573-582, May 3–6, 2009
Publisher: American Society of Mechanical Engineers
Paper No: ICES2009-76067
https://doi.org/10.1115/ICES2009-76067
View Paper titled, Turbocharged CNG Engines for Urban Transportation: Evaluation of Turbolag Reduction Strategies by Means of Computational Analyses
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Topics: Cities, Engines, Transportation systems, Valves, Exhaust systems, Fuels, Stress, Transients (Dynamics), Buses, Combustion
Proceedings Papers

Multidimensional Modeling of Natural Gas Jet and Mixture Formation in DI SI Engines: Development and Validation of a Virtual Injector Model

Mirko Baratta, Andrea E. Catania, Francesco C. Pesce
Proc. ASME. ICES2009, ASME 2009 Internal Combustion Engine Division Spring Technical Conference, 583-596, May 3–6, 2009
Publisher: American Society of Mechanical Engineers
Paper No: ICES2009-76082
https://doi.org/10.1115/ICES2009-76082
View Paper titled, Multidimensional Modeling of Natural Gas Jet and Mixture Formation in DI SI Engines: Development and Validation of a Virtual Injector Model
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Topics: Ejectors, Modeling, Natural gas, Spark-ignition engine, Computer simulation, Flow (Dynamics), Nozzles, Valves, Combustion, Combustion chambers
Proceedings Papers

Prediction of Combustion Velocities, Indicated-Cycle Pressure in the Closed-Valve Phase and Operating Condition Effects on Performance and Emissions of CNG and Gasoline SI Engines

Mirko Baratta, Elena Caristo, Andrea E. Catania, Ezio Spessa
Proc. ASME. ICEF2007, ASME 2007 Internal Combustion Engine Division Fall Technical Conference, 285-300, October 14–17, 2007
Publisher: American Society of Mechanical Engineers
Paper No: ICEF2007-1731
https://doi.org/10.1115/ICEF2007-1731
View Paper titled, Prediction of Combustion Velocities, Indicated-Cycle Pressure in the Closed-Valve Phase and Operating Condition Effects on Performance and Emissions of CNG and Gasoline SI Engines
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Topics: Combustion, Cycles, Emissions, Gasoline, Pressure, Spark-ignition engine, Valves, Engines, Turbulence, Flames
Proceedings Papers

Multidimensional Predictions of In-Cylinder Turbulent Flows: Contribution to the Assessment of k-ε Turbulence Model Variants for Bowl-in-Piston Engines

Andrea E. Catania, Mirko Baratta, Ezio Spessa, Rui L. Liu
Proc. ASME. ICES2003, Design, Application, Performance and Emissions of Modern Internal Combustion Engine Systems and Components, 437-449, May 11–14, 2003
Publisher: American Society of Mechanical Engineers
Paper No: ICES2003-0629
https://doi.org/10.1115/ICES2003-0629
View Paper titled, Multidimensional Predictions of In-Cylinder Turbulent Flows: Contribution to the Assessment of k-ε Turbulence Model Variants for Bowl-in-Piston Engines
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Topics: Cylinders, Engines, Pistons, Turbulence, Flow (Dynamics), Compression, Emissions, Modeling, Pressure, Simulation
Proceedings Papers

Nonlinear Versus Linear Stress-Strain Relations in Engine Turbulence Modeling Under Swirl and Squish Flow Conditions

Mirko Baratta, Andrea E. Catania, Stefano d’Ambrosio
Proc. ASME. ICEF2004, ASME 2004 Internal Combustion Engine Division Fall Technical Conference, 467-477, October 24–27, 2004
Publisher: American Society of Mechanical Engineers
Paper No: ICEF2004-0958
https://doi.org/10.1115/ICEF2004-0958
View Paper titled, Nonlinear Versus Linear Stress-Strain Relations in Engine Turbulence Modeling Under Swirl and Squish Flow Conditions
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Topics: Anisotropy, Engines, Flow (Dynamics), Modeling, Stress-strain relations, Turbulence
Proceedings Papers

Analysis of Cyclic Variability in a Bi-Fuel Engine by Means of a ‘Cycle-Resolved’ Diagnostic Technique

Mirko Baratta, Stefano d’Ambrosio, Ezio Spessa, Alberto Vassallo
Proc. ASME. ICEF2005, ASME 2005 Internal Combustion Engine Division Fall Technical Conference (ICEF2005), 175-191, September 11–14, 2005
Publisher: American Society of Mechanical Engineers
Paper No: ICEF2005-1214
https://doi.org/10.1115/ICEF2005-1214
View Paper titled, Analysis of Cyclic Variability in a Bi-Fuel Engine by Means of a ‘Cycle-Resolved’ Diagnostic Technique
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Topics: Cycles, Engines, Fuels, Combustion, Pressure, Delays, Exhaust systems, Flames, Gasoline, Heat transfer
Proceedings Papers

Flame Propagation Speed in SI Engines: Modeling and Experimental Assessment

Mirko Baratta, Andrea E. Catania, Ezio Spessa, Alberto Vassallo
Proc. ASME. ICEF2005, ASME 2005 Internal Combustion Engine Division Fall Technical Conference (ICEF2005), 193-208, September 11–14, 2005
Publisher: American Society of Mechanical Engineers
Paper No: ICEF2005-1216
https://doi.org/10.1115/ICEF2005-1216
View Paper titled, Flame Propagation Speed in SI Engines: Modeling and Experimental Assessment
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Topics: Flames, Modeling, Spark-ignition engine, Combustion, Cylinders, Engines, Fuels, Turbulence, Cycles, Heat