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Silvia Ravelli
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Proceedings Papers

Thermodynamic Optimization of Load-Following Operation in a Decarbonized Combined Cycle Power Plant Under Net-Zero Scenarios

Silvia Ravelli
Proc. ASME. GT2024, Volume 2: Ceramics and Ceramic Composites; Coal, Biomass, Hydrogen, and Alternative Fuels, V002T03A027, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-127796
https://doi.org/10.1115/GT2024-127796
View Paper titled, Thermodynamic Optimization of Load-Following Operation in a Decarbonized Combined Cycle Power Plant Under Net-Zero Scenarios
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Topics: Carbon capture and storage, Combined cycle power stations, Combined cycles, Hydrogen, Optimization, Stress
Journal Articles

Thermodynamic Optimization of Load-Following Operation in a Decarbonized Combined Cycle Power Plant Under Net-Zero Scenarios

Silvia Ravelli
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. October 2024, 146(10): 101020.
Paper No: GTP-24-1227
https://doi.org/10.1115/1.4065920
Published Online: August 16, 2024
View Article titled, Thermodynamic Optimization of Load-Following Operation in a Decarbonized Combined Cycle Power Plant Under Net-Zero Scenarios
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Topics: Carbon capture and storage, Combined cycles, Exhaust gas recirculation, Fuels, Hydrogen, Optimization, Stress, Carbon dioxide, Natural gas, Exhaust systems
Includes: Supplementary data
Journal Articles

Reducing the Energy Penalty of Retrofit Decarbonization in Combined Cycle Power Plants

Silvia Ravelli
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. December 2023, 145(12): 121003.
Paper No: GTP-23-1335
https://doi.org/10.1115/1.4063317
Published Online: October 3, 2023
View Article titled, Reducing the Energy Penalty of Retrofit Decarbonization in Combined Cycle Power Plants
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Topics: Carbon capture and storage, Carbon dioxide, Exhaust gas recirculation, Fuels, Hydrogen, Stress, Emissions, Flue gases, Temperature, Co-firing
Includes: Supplementary data
Proceedings Papers

Reducing the Energy Penalty of Retrofit Decarbonization in Combined Cycle Power Plants

Silvia Ravelli
Proc. ASME. GT2023, Volume 2: Ceramics and Ceramic Composites; Coal, Biomass, Hydrogen, and Alternative Fuels, V002T03A021, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-103511
https://doi.org/10.1115/GT2023-103511
View Paper titled, Reducing the Energy Penalty of Retrofit Decarbonization in Combined Cycle Power Plants
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Topics: Carbon capture and storage, Carbon dioxide, Co-firing, Combined cycle power stations, Combined cycles, Combustion, Combustion systems, Emissions, Energy generation, Exhaust gas recirculation
Proceedings Papers

Thermodynamic Assessment of Exhaust Gas Recirculation in High-Volume Hydrogen Gas Turbines in Combined Cycle Mode

Silvia Ravelli
Proc. ASME. GT2022, Volume 2: Coal, Biomass, Hydrogen, and Alternative Fuels; Controls, Diagnostics, and Instrumentation; Steam Turbine, V002T03A020, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-83250
https://doi.org/10.1115/GT2022-83250
View Paper titled, Thermodynamic Assessment of Exhaust Gas Recirculation in High-Volume Hydrogen Gas Turbines in Combined Cycle Mode
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Topics: Combined cycles, Exhaust gas recirculation, Gas turbines, Hydrogen, Stress
Journal Articles

Thermodynamic Assessment of Exhaust Gas Recirculation in High-Volume Hydrogen Gas Turbines in Combined Cycle Mode

Silvia Ravelli
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. November 2022, 144(11): 111012.
Paper No: GTP-22-1299
https://doi.org/10.1115/1.4055353
Published Online: September 22, 2022
View Article titled, Thermodynamic Assessment of Exhaust Gas Recirculation in High-Volume Hydrogen Gas Turbines in Combined Cycle Mode
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Topics: Exhaust gas recirculation, Hydrogen, Stress, Flow (Dynamics), Fuels, Temperature, Carbon dioxide
Proceedings Papers

Part-Load Operation of Gas Turbines Induced by Co-Gasification of Coal and Biomass in an Integrated Gasification Combined Cycle Power Plant

Silvia Ravelli
Proc. ASME. GT2021, Volume 6: Ceramics and Ceramic Composites; Coal, Biomass, Hydrogen, and Alternative Fuels; Microturbines, Turbochargers, and Small Turbomachines, V006T03A011, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-59830
https://doi.org/10.1115/GT2021-59830
View Paper titled, Part-Load Operation of Gas Turbines Induced by Co-Gasification of Coal and Biomass in an Integrated Gasification Combined Cycle Power Plant
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Topics: Biomass, Coal, Fuel gasification, Gas turbines, Integrated gasification combined cycle power stations, Stress
Journal Articles

Stress-Blended Eddy Simulation of Coherent Unsteadiness in Pressure Side Film Cooling Applied to a First Stage Turbine Vane

Silvia Ravelli, Giovanna Barigozzi
Journal: ASME Journal of Heat and Mass Transfer
Publisher: ASME
Article Type: Research-Article
J. Heat Mass Transfer. September 2018, 140(9): 092201.
Paper No: HT-17-1461
https://doi.org/10.1115/1.4039763
Published Online: May 22, 2018
View Article titled, Stress-Blended Eddy Simulation of Coherent Unsteadiness in Pressure Side Film Cooling Applied to a First Stage Turbine Vane
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Topics: Coolants, Cooling, Eddies (Fluid dynamics), Film cooling, Flow (Dynamics), Mach number, Pressure, Simulation, Stress, Temperature
Includes: Supplementary data
Journal Articles

Assessment of Transition Modeling and Compressibility Effects in a Linear Cascade of Turbine Nozzle Guide Vanes

Silvia Ravelli, Giovanna Barigozzi, Ernesto Casartelli, Luca Mangani
Journal: Journal of Fluids Engineering
Publisher: ASME
Article Type: Research-Article
J. Fluids Eng. May 2017, 139(5): 051104.
Paper No: FE-16-1656
https://doi.org/10.1115/1.4035462
Published Online: March 16, 2017
View Article titled, Assessment of Transition Modeling and Compressibility Effects in a Linear Cascade of Turbine Nozzle Guide Vanes
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Topics: Boundary layers, Flow (Dynamics), Mach number, Modeling, Turbulence, Simulation, Computational fluid dynamics, Cascades (Fluid dynamics), Turbines, Nozzle guide vanes
Journal Articles

Application of Unsteady Computational Fluid Dynamics Methods to Trailing Edge Cutback Film Cooling

Silvia Ravelli, Giovanna Barigozzi
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. December 2014, 136(12): 121006.
Paper No: TURBO-14-1142
https://doi.org/10.1115/1.4028238
Published Online: August 26, 2014
View Article titled, Application of Unsteady Computational Fluid Dynamics Methods to Trailing Edge Cutback Film Cooling
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Topics: Computational fluid dynamics, Coolants, Cooling, Film cooling, Flow (Dynamics), Reynolds-averaged Navier–Stokes equations, Simulation, Vortices, Turbulence, Vortex shedding
Journal Articles

Simulation of Solarized Combined Cycles: Comparison Between Hybrid Gas Turbine and ISCC Plants

Giovanna Barigozzi, Giuseppe Franchini, Antonio Perdichizzi, Silvia Ravelli
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. March 2014, 136(3): 031701.
Paper No: GTP-13-1337
https://doi.org/10.1115/1.4025836
Published Online: November 19, 2013
View Article titled, Simulation of Solarized Combined Cycles: Comparison Between Hybrid Gas Turbine and ISCC Plants
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Topics: Solar energy, Design, Combined cycles, Simulation, Steam, Temperature
Journal Articles

Evaluation of CFD Predictions Using Thermal Field Measurements on a Simulated Film Cooled Turbine Blade Leading Edge

Sibi Mathew, Silvia Ravelli, David G. Bogard
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. January 2013, 135(1): 011021.
Paper No: TURBO-11-1133
https://doi.org/10.1115/1.4006397
Published Online: October 30, 2012
View Article titled, Evaluation of CFD Predictions Using Thermal Field Measurements on a Simulated Film Cooled Turbine Blade Leading Edge
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Topics: Computational fluid dynamics, Coolants, Flow (Dynamics), Simulation, Temperature, Turbine blades, Turbulence, Separation (Technology), Film cooling, Engineering simulation
Journal Articles

Pressure Side and Cutback Trailing Edge Film Cooling in a Linear Nozzle Vane Cascade at Different Mach Numbers

Giovanna Barigozzi, Antonio Perdichizzi, Silvia Ravelli
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. September 2012, 134(5): 051037.
https://doi.org/10.1115/1.4004825
Published Online: June 5, 2012
View Article titled, Pressure Side and Cutback Trailing Edge Film Cooling in a Linear Nozzle Vane Cascade at Different Mach Numbers
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Topics: Boundary layers, Cascades (Fluid dynamics), Coolants, Cooling, Film cooling, Flow (Dynamics), Mach number, Pressure, Nozzles, Blades
Proceedings Papers

Pressure Side and Cutback Trailing Edge Film Cooling in a Linear Nozzle Vane Cascade at Different Mach Numbers

Giovanna Barigozzi, Antonio Perdichizzi, Silvia Ravelli
Proc. ASME. GT2011, Volume 5: Heat Transfer, Parts A and B, 399-411, June 6–10, 2011
Publisher: American Society of Mechanical Engineers
Paper No: GT2011-45898
https://doi.org/10.1115/GT2011-45898
View Paper titled, Pressure Side and Cutback Trailing Edge Film Cooling in a Linear Nozzle Vane Cascade at Different Mach Numbers
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Topics: Cascades (Fluid dynamics), Film cooling, Mach number, Nozzles, Pressure, Cooling, Coolants, Boundary layers, Doppler measurement, Flow (Dynamics)
Proceedings Papers

Evaluation of CFD Predictions Using Thermal Field Measurements on a Simulated Film Cooled Turbine Blade Leading Edge

Sibi Mathew, Silvia Ravelli, David G. Bogard
Proc. ASME. GT2011, Volume 5: Heat Transfer, Parts A and B, 619-628, June 6–10, 2011
Publisher: American Society of Mechanical Engineers
Paper No: GT2011-46619
https://doi.org/10.1115/GT2011-46619
View Paper titled, Evaluation of CFD Predictions Using Thermal Field Measurements on a Simulated Film Cooled Turbine Blade Leading Edge
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Topics: Computational fluid dynamics, Turbine blades, Coolants, Separation (Technology), Turbulence, Cooling, Flow (Dynamics), Airfoils, Design, Film cooling
Journal Articles

Effects of Trenched Holes on Film Cooling of a Contoured Endwall Nozzle Vane

Giovanna Barigozzi, Giuseppe Franchini, Antonio Perdichizzi, Silvia Ravelli
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. July 2012, 134(4): 041009.
https://doi.org/10.1115/1.4003658
Published Online: July 20, 2011
View Article titled, Effects of Trenched Holes on Film Cooling of a Contoured Endwall Nozzle Vane
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Topics: Coolants, Cooling, Film cooling, Flow (Dynamics), Nozzles, Pressure, Turbulence, Cascades (Fluid dynamics), Momentum
Proceedings Papers

Accuracy of Conventional Adiabatic Effectiveness and Heat Transfer Augmentation Factors in Predicting Heat Flux Into a Turbine Blade Leading Edge

Laurene D. Dobrowolski, David G. Bogard, Silvia Ravelli
Proc. ASME. GT2010, Volume 4: Heat Transfer, Parts A and B, 1795-1803, June 14–18, 2010
Publisher: American Society of Mechanical Engineers
Paper No: GT2010-23438
https://doi.org/10.1115/GT2010-23438
View Paper titled, Accuracy of Conventional Adiabatic Effectiveness and Heat Transfer Augmentation Factors in Predicting Heat Flux Into a Turbine Blade Leading Edge
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Topics: Heat flux, Heat transfer, Turbine blades, Simulation, Heat transfer coefficients, Wall temperature, Computer simulation, Density, Flux (Metallurgy), Heat
Proceedings Papers

Evaluating the Effects of Internal Impingement Cooling on a Film Cooled Turbine Blade Leading Edge

Silvia Ravelli, Laurene Dobrowolski, David G. Bogard
Proc. ASME. GT2010, Volume 4: Heat Transfer, Parts A and B, 1655-1665, June 14–18, 2010
Publisher: American Society of Mechanical Engineers
Paper No: GT2010-23002
https://doi.org/10.1115/GT2010-23002
View Paper titled, Evaluating the Effects of Internal Impingement Cooling on a Film Cooled Turbine Blade Leading Edge
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Topics: Impingement cooling, Turbine blades, Coolants, Cooling, Computer simulation, Density, Engineering simulation, Geometry, Jets, Simulation
Proceedings Papers

Effects of Trenched Holes on Film Cooling of a Contoured Endwall Nozzle Vane

Giovanna Barigozzi, Giuseppe Franchini, Antonio Perdichizzi, Silvia Ravelli
Proc. ASME. GT2010, Volume 4: Heat Transfer, Parts A and B, 1323-1334, June 14–18, 2010
Publisher: American Society of Mechanical Engineers
Paper No: GT2010-22117
https://doi.org/10.1115/GT2010-22117
View Paper titled, Effects of Trenched Holes on Film Cooling of a Contoured Endwall Nozzle Vane
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Topics: Film cooling, Nozzles, Coolants, Flow (Dynamics), Cooling, Energy dissipation, Kinetic energy, Pressure, Probes, Turbulence