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Stefano Ubertini
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Proceedings Papers

Design, Construction, Start-Up and First Experimental Trials of a Test Rig for Single Fuel Cells

Umberto Desideri, Piero Lunghi, Stefano Ubertini
Proc. ASME. IMECE2001, Advanced Energy Systems, 409-416, November 11–16, 2001
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2001/AES-23650
https://doi.org/10.1115/IMECE2001/AES-23650
View Paper titled, Design, Construction, Start-Up and First Experimental Trials of a Test Rig for Single Fuel Cells
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Topics: Construction, Design, Fuel cells, Current density, Experimental characterization, Flow (Dynamics), Fuels, Modeling, Molten carbonate fuel cells, Temperature
Proceedings Papers

Thermodynamic Analysis of a Molten Carbonate Fuel Cell System Using Waste Derived Fuel Gas

Umberto Desideri, Piero Lunghi, Stefano Ubertini
Proc. ASME. IMECE2000, Advanced Energy Systems, 267-275, November 5–10, 2000
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2000-1318
https://doi.org/10.1115/IMECE2000-1318
View Paper titled, Thermodynamic Analysis of a Molten Carbonate Fuel Cell System Using Waste Derived Fuel Gas
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Topics: Gaseous fuels, Molten carbonate fuel cells, Fuels, Fuel cells, Fuel gasification, Municipal solid wastes, Emissions, Energy / power systems, Energy generation, Flow (Dynamics)
Proceedings Papers

Flow Field Measurements in an Annular Gas Turbine Exhaust Diffuser With Struts

Umberto Desideri, Stefano Ubertini
Proc. ASME. GT1999, Volume 4: Manufacturing Materials and Metallurgy; Ceramics; Structures and Dynamics; Controls, Diagnostics and Instrumentation; Education; IGTI Scholar Award; General, V004T04A026, June 7–10, 1999
Publisher: American Society of Mechanical Engineers
Paper No: 99-GT-418
https://doi.org/10.1115/99-GT-418
View Paper titled, Flow Field Measurements in an Annular Gas Turbine Exhaust Diffuser With Struts
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Topics: Diffusers, Exhaust systems, Flow (Dynamics), Gas turbines, Turbulence, Design, Probes, Displacement, Rotation, Stepper motors
Proceedings Papers

Energy Audits in the Service Sector Buildings

Antonella Zanfardino, Luca Andreassi, Fabrizio Martini, Stefano Ubertini
Proc. ASME. ESDA2014, Volume 2: Dynamics, Vibration and Control; Energy; Fluids Engineering; Micro and Nano Manufacturing, V002T09A006, July 25–27, 2014
Publisher: American Society of Mechanical Engineers
Paper No: ESDA2014-20113
https://doi.org/10.1115/ESDA2014-20113
View Paper titled, Energy Audits in the Service Sector Buildings
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Topics: Structures, Energy consumption, Energy efficiency, Air conditioning, Computer programming, Dimensions, Economics , Energy management, Energy policy, Hot water
Proceedings Papers

Efficiency Upgrading of an Ambient Pressure MCFC Plant Through the Introduction of an Indirect Heated Gas Turbine

Piero Lunghi, Stefano Ubertini
Proc. ASME. GT2001, Volume 2: Coal, Biomass and Alternative Fuels; Combustion and Fuels; Oil and Gas Applications; Cycle Innovations, V002T04A016, June 4–7, 2001
Publisher: American Society of Mechanical Engineers
Paper No: 2001-GT-0381
https://doi.org/10.1115/2001-GT-0381
View Paper titled, Efficiency Upgrading of an Ambient Pressure MCFC Plant Through the Introduction of an Indirect Heated Gas Turbine
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Topics: Gas turbines, Molten carbonate fuel cells, Pressure, Cycles, Fuel cells, Combustion gases, Energy generation, Turbines, Combustion, Heat
Journal Articles

Comparing Energy and Cost Optimization in Distributed Energy Systems Management

Andrea Luigi Facci, Luca Andreassi, Fabrizio Martini, Stefano Ubertini
Journal: Journal of Energy Resources Technology
Publisher: ASME
Article Type: Research-Article
J. Energy Resour. Technol. September 2014, 136(3): 032001.
Paper No: JERT-13-1251
https://doi.org/10.1115/1.4027155
Published Online: April 17, 2014
View Article titled, Comparing Energy and Cost Optimization in Distributed Energy Systems Management
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Topics: Boilers, Distributed power generation, Energy consumption, Optimization, Stress, Modeling, Heat, Fuels, Flux (Metallurgy), Dynamic programming
Proceedings Papers

Optimization of CHCP Operation Strategy: Cost vs Primary Energy Consumption Minimization

Andrea Luigi Facci, Luca Andreassi, Fabrizio Martini, Stefano Ubertini
Proc. ASME. IMECE2013, Volume 6A: Energy, V06AT07A035, November 15–21, 2013
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2013-64965
https://doi.org/10.1115/IMECE2013-64965
View Paper titled, Optimization of CHCP Operation Strategy: Cost vs Primary Energy Consumption Minimization
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Topics: Energy consumption, Optimization, Stress, Dynamic programming, Economics , Energy conversion, Fuels, Internal combustion engines, Optimization algorithms, Power stations
Proceedings Papers

Lattice-Boltzmann Simulations of Hull Impacting Water

Alessandro De Rosis, Francesco Ubertini, Maurizio Porfiri, Stefano Ubertini
Proc. ASME. DSCC2012-MOVIC2012, Volume 2: Legged Locomotion; Mechatronic Systems; Mechatronics; Mechatronics for Aquatic Environments; MEMS Control; Model Predictive Control; Modeling and Model-Based Control of Advanced IC Engines; Modeling and Simulation; Multi-Agent and Cooperative Systems; Musculoskeletal Dynamic Systems; Nano Systems; Nonlinear Systems; Nonlinear Systems and Control; Optimal Control; Pattern Recognition and Intelligent Systems; Power and Renewable Energy Systems; Powertrain Systems, 163-170, October 17–19, 2012
Publisher: American Society of Mechanical Engineers
Paper No: DSCC2012-MOVIC2012-8545
https://doi.org/10.1115/DSCC2012-MOVIC2012-8545
View Paper titled, Lattice-Boltzmann Simulations of Hull Impacting Water
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Topics: Engineering simulation, Hull, Lattice Boltzmann methods, Simulation, Water, Wedges, Flow (Dynamics), Fluids, Particulate matter
Proceedings Papers

Lattice Boltzmann Simulation of Diesel Injection

Giacomo Falcucci, Elio Jannelli, Stefano Ubertini, Gino Bella, Alessandro De Maio, Silvia Palpacelli
Proc. ASME. HT2012, Volume 2: Heat Transfer Enhancement for Practical Applications; Fire and Combustion; Multi-Phase Systems; Heat Transfer in Electronic Equipment; Low Temperature Heat Transfer; Computational Heat Transfer, 391-399, July 8–12, 2012
Publisher: American Society of Mechanical Engineers
Paper No: HT2012-58175
https://doi.org/10.1115/HT2012-58175
View Paper titled, Lattice Boltzmann Simulation of Diesel Injection
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Topics: Diesel, Lattice Boltzmann methods, Simulation, Fuels, Cavitation, Combustion, Combustion chambers, Drops, Ejectors, Emissions
Journal Articles

SOFC Management in Distributed Energy Systems

Daniele Chiappini, Andrea Luigi Facci, Laura Tribioli, Stefano Ubertini
Journal: Journal of Electrochemical Energy Conversion and Storage
Publisher: ASME
Article Type: Research Papers
J. Electrochem. En. Conv. Stor. June 2011, 8(3): 031015.
https://doi.org/10.1115/1.4002907
Published Online: March 1, 2011
View Article titled, SOFC Management in Distributed Energy Systems
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Topics: Fuel cells, Fuels, Power stations, Solid oxide fuel cells, Stress, Distributed power generation, Heat, Temperature
Journal Articles

Ultralow Carbon Dioxide Emission MCFC Based Power Plant

Daniele Chiappini, Luca Andreassi, Elio Jannelli, Stefano Ubertini
Journal: Journal of Electrochemical Energy Conversion and Storage
Publisher: ASME
Article Type: Research Papers
J. Electrochem. En. Conv. Stor. June 2011, 8(3): 031003.
https://doi.org/10.1115/1.4002903
Published Online: February 16, 2011
View Article titled, Ultralow Carbon Dioxide Emission MCFC Based Power Plant
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Topics: Carbon dioxide, Fuel cells, Molten carbonate fuel cells, Power stations, Anodes, Flow (Dynamics), Exhaust systems
Proceedings Papers

Ultra Low Carbon Dioxide Emission MCFC Based Power Plant

Luca Andreassi, Daniele Chiappini, Elio Jannelli, Stefano Ubertini
Proc. ASME. IMECE2009, Volume 6: Emerging Technologies: Alternative Energy Systems; Energy Systems: Analysis, Thermodynamics and Sustainability, 683-693, November 13–19, 2009
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2009-12648
https://doi.org/10.1115/IMECE2009-12648
View Paper titled, Ultra Low Carbon Dioxide Emission MCFC Based Power Plant
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Topics: Carbon dioxide, Emissions, Molten carbonate fuel cells, Power stations, Fuel cells, Energy generation, Gas turbines, Anodes, Combustion, Condensation
Journal Articles

Modeling Carbon Monoxide Direct Oxidation in Solid Oxide Fuel Cells

Luca Andreassi, Claudia Toro, Stefano Ubertini
Journal: Journal of Electrochemical Energy Conversion and Storage
Publisher: ASME
Article Type: Special Section On The 2Nd European Fuel Cell Technology And Applications Conference
J. Electrochem. En. Conv. Stor. May 2009, 6(2): 021307.
https://doi.org/10.1115/1.3080552
Published Online: March 4, 2009
View Article titled, Modeling Carbon Monoxide Direct Oxidation in Solid Oxide Fuel Cells
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Topics: Anodes, Carbon, Fuels, Hydrogen, Oxidation, Solid oxide fuel cells, Fuel cells, Electrolytes, Diffusion (Physics)
Journal Articles

European Fuel Cell Technology and Applications, December 2007

Roberto Bove, Stefano Ubertini
Journal: Journal of Electrochemical Energy Conversion and Storage
Publisher: ASME
Article Type: Guest Editorial
J. Electrochem. En. Conv. Stor. May 2009, 6(2): 020301.
https://doi.org/10.1115/1.3080716
Published Online: March 3, 2009
View Article titled, European Fuel Cell Technology and Applications, December 2007
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Topics: Fuel cell technology, Fuel cells
Proceedings Papers

Feasibility and Performance of an Ambient Pressure MCFC Combined With a Commercial Gas Turbine

Umberto Desideri, Piero Lunghi, Stefano Ubertini
Proc. ASME. GT2002, Volume 2: Turbo Expo 2002, Parts A and B, 869-876, June 3–6, 2002
Publisher: American Society of Mechanical Engineers
Paper No: GT2002-30650
https://doi.org/10.1115/GT2002-30650
View Paper titled, Feasibility and Performance of an Ambient Pressure MCFC Combined With a Commercial Gas Turbine
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Topics: Gas turbines, Molten carbonate fuel cells, Pressure, Combustion, Cycles, Fuel cells, High temperature, Design, Electric power generation, Energy / power systems
Proceedings Papers

Energy Production and Performance of a Large Photovoltaic Roof

Stefano Ubertini, Umberto Desideri
Proc. ASME. IJPGC2003, 2003 International Joint Power Generation Conference, 913-918, June 16–19, 2003
Publisher: American Society of Mechanical Engineers
Paper No: IJPGC2003-40100
https://doi.org/10.1115/IJPGC2003-40100
View Paper titled, Energy Production and Performance of a Large Photovoltaic Roof
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Topics: Energy generation, Roofs, Power stations, Temperature, Electric power generation, Photovoltaic power systems, Power systems (Machinery), Radiation (Physics)
Proceedings Papers

Evaluating the Performances of Advanced Powertrains

Massimo Feola, Fabrizio Martini, Stefano Ubertini
Proc. ASME. ESDA2004, Volume 2, 429-436, July 19–22, 2004
Publisher: American Society of Mechanical Engineers
Paper No: ESDA2004-58081
https://doi.org/10.1115/ESDA2004-58081
View Paper titled, Evaluating the Performances of Advanced Powertrains
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Topics: Air pollution, Batteries, Chemical energy, Computer simulation, Electric vehicles, Emissions, Energy conversion, Energy storage, Engineering prototypes, Engines
Proceedings Papers

Injection Pressure Fluctuations Model Applied to a Multi-Dimensional Code for Diesel Engines Simulation

Stefano Ubertini
Proc. ASME. ESDA2004, Volume 2, 437-445, July 19–22, 2004
Publisher: American Society of Mechanical Engineers
Paper No: ESDA2004-58232
https://doi.org/10.1115/ESDA2004-58232
View Paper titled, Injection Pressure Fluctuations Model Applied to a Multi-Dimensional Code for Diesel Engines Simulation
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Topics: Diesel engines, Fluctuations (Physics), Pressure, Simulation, Sprays, Fuels, Combustion, Ejectors, Chemistry, Cycles
Proceedings Papers

Computational Fluid Dynamics Through an Unstructured Lattice Boltzmann Scheme

Stefano Ubertini
Proc. ASME. IMECE2003, Fluids Engineering, 203-214, November 15–21, 2003
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2003-41194
https://doi.org/10.1115/IMECE2003-41194
View Paper titled, Computational Fluid Dynamics Through an Unstructured Lattice Boltzmann Scheme
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Topics: Computational fluid dynamics, Lattice Boltzmann methods, Flow (Dynamics), Fluid dynamics, Approximation, Boundary-value problems, Bubbly flow, Density, Engineering simulation, Multiphase flow
Journal Articles

Injection Pressure Fluctuations Model Applied to a Multidimensional Code for Diesel Engines Simulation

Stefano Ubertini
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Technical Papers
J. Eng. Gas Turbines Power. July 2006, 128(3): 694–701.
https://doi.org/10.1115/1.2135813
Published Online: September 23, 2005
View Article titled, Injection Pressure Fluctuations Model Applied to a Multidimensional Code for Diesel Engines Simulation
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Topics: Fluctuations (Physics), Fuels, Pressure, Sprays, Ejectors, Rails, Flow (Dynamics), Diesel engines