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Bruno Facchini
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Journal Articles

Assessment of Additive Manufactured Micro-Channel Characteristics: Impact of Hydraulic Diameter Evaluation

Accepted Manuscript
Tommaso Bacci, Alessio Picchi, Niccolò Castelli, Bruno Facchini, Francesco Morante, Luca Innocenti
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach.
Paper No: TURBO-24-1181
https://doi.org/10.1115/1.4066700
Published Online: September 25, 2024
View Article titled, Assessment of Additive Manufactured Micro-Channel Characteristics: Impact of Hydraulic Diameter Evaluation
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Topics: Additive manufacturing, Heat transfer, Microchannels, Turbochargers, Cooling, Heat transfer coefficients, Pressure, Design, Film cooling, Fluids
Journal Articles

Comparison of Rim Sealing Effectiveness in Different Geometrical Configurations

Accepted Manuscript
Lorenzo Orsini, Alessio Picchi, Bruno Facchini, Alessio Bonini, Luca Innocenti
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power.
Paper No: GTP-24-1525
https://doi.org/10.1115/1.4066536
Published Online: September 13, 2024
View Article titled, Comparison of Rim Sealing Effectiveness in Different Geometrical Configurations
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Topics: Sealing (Process), Blades, Engines, Flow (Dynamics), Cavities, Design, Experimental characterization, Geometry, Transients (Dynamics)
Proceedings Papers

Assessment of Additive Manufactured Micro-Channel Characteristics: Impact of Hydraulic Diameter Evaluation

Tommaso Bacci, Alessio Picchi, Niccolò Castelli, Bruno Facchini, Francesco Morante, Luca Innocenti
Proc. ASME. GT2024, Volume 13: Heat Transfer: General Interest / Additive Manufacturing Impacts on Heat Transfer; Wind Energy, V013T13A022, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-126159
https://doi.org/10.1115/GT2024-126159
View Paper titled, Assessment of Additive Manufactured Micro-Channel Characteristics: Impact of Hydraulic Diameter Evaluation
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Topics: Additive manufacturing, Microchannels, Cooling, Heat transfer coefficients, Pressure, Design, Fluids, Friction, Gas turbines, Heat transfer
Proceedings Papers

Experimental Study on Stability Enhancement of a Natural Gas GT Burner With Hydrogen Flame Piloting Operated With Simulated Exhaust Gas Recirculation

Sofia Galeotti, Alessio Picchi, Riccardo Becchi, Gianmarco Lemmi, Roberto Meloni, Giulia Babazzi, Nicola Giannini, Bruno Facchini, Antonio Andreini
Proc. ASME. GT2024, Volume 3B: Combustion, Fuels, and Emissions, V03BT04A045, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-128732
https://doi.org/10.1115/GT2024-128732
View Paper titled, Experimental Study on Stability Enhancement of a Natural Gas GT Burner With Hydrogen Flame Piloting Operated With Simulated Exhaust Gas Recirculation
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Topics: Exhaust gas recirculation, Flames, Hydrogen, Natural gas, Stability, Carbon capture and storage, Carbon dioxide, Combustion, Emissions, Gas turbines
Proceedings Papers

Optimization of a Novel Design-For-Additive-Manufacturing Film Cooling Hole

Niccolò Castelli, Alessio Picchi, Bruno Facchini, Lorenzo Winchler, Francesco Morante
Proc. ASME. GT2024, Volume 7: Heat Transfer: Combustors; Heat Transfer: Film Cooling, V007T12A039, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-128010
https://doi.org/10.1115/GT2024-128010
View Paper titled, Optimization of a Novel Design-For-Additive-Manufacturing Film Cooling Hole
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Topics: Additive manufacturing, Computerized tomography, Design, Film cooling, Manufacturing, Optimization
Proceedings Papers

Application of Internal Heat Transfer Inverse Problem Solution Method to Jet Array Impingement Cooling System

Riess Haslam, Tommaso Bacci, Alessio Picchi, Bruno Facchini
Proc. ASME. GT2024, Volume 8: Heat Transfer: Internal Air Systems; Heat Transfer: Internal Cooling; Industrial and Cogeneration, V008T15A022, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-127486
https://doi.org/10.1115/GT2024-127486
View Paper titled, Application of Internal Heat Transfer Inverse Problem Solution Method to Jet Array Impingement Cooling System
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Topics: Heat transfer, Impingement cooling, Inverse problems, Cooling systems, Flow (Dynamics), Heat conduction, Heat transfer coefficients, Temperature, Temperature measurement, Cooling
Proceedings Papers

Comparison of Rim Sealing Effectiveness in Different Geometrical Configurations

Lorenzo Orsini, Alessio Picchi, Bruno Facchini, Alessio Bonini, Luca Innocenti
Proc. ASME. GT2024, Volume 8: Heat Transfer: Internal Air Systems; Heat Transfer: Internal Cooling; Industrial and Cogeneration, V008T14A019, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-128735
https://doi.org/10.1115/GT2024-128735
View Paper titled, Comparison of Rim Sealing Effectiveness in Different Geometrical Configurations
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Topics: Cavities, Gas turbines, Sealing (Process)
Proceedings Papers

Development and Validation of a Numerical Multiphysics Algorithm for Wall Condensation Heat Transfer for Steam Turbines Starting Phases

Isacco Rafanelli, Antonio Andreini, Bruno Facchini, Tommaso Diurno, Stella Grazia Tomasello, Gabriele Girezzi
Proc. ASME. GT2024, Volume 9: Manufacturing Materials and Metallurgy; Microturbines, Turbochargers, and Small Turbomachines; Oil & Gas Applications; Steam Turbine, V009T20A006, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-124013
https://doi.org/10.1115/GT2024-124013
View Paper titled, Development and Validation of a Numerical Multiphysics Algorithm for Wall Condensation Heat Transfer for Steam Turbines Starting Phases
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Topics: Algorithms, Condensation, Heat transfer, Steam turbines
Journal Articles

Experimental Analysis of Additively Manufactured Latticework Coupons

Niccolò Castelli, Umberto Sandri, Alessio Picchi, Bruno Facchini, Francesco Morante, Simone Cubeda
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. June 2024, 146(6): 061001.
Paper No: TURBO-23-1297
https://doi.org/10.1115/1.4064320
Published Online: January 16, 2024
View Article titled, Experimental Analysis of Additively Manufactured Latticework Coupons
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Topics: Additive manufacturing, Computerized tomography, Cooling, Fins, Flow (Dynamics), Friction, Geometry, Heat transfer, Reynolds number, Kagome
Proceedings Papers

Evaluation of Cooling Requirements for Rotating Detonation Combustors

Umberto Sandri, Shreyas Ramanagar Sridhara, Antonio Andreini, Myles D. Bohon, Alessio Picchi, Bruno Facchini
Proc. ASME. GT2023, Volume 7A: Heat Transfer — Combustors; Film Cooling, V07AT11A001, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-101717
https://doi.org/10.1115/GT2023-101717
View Paper titled, Evaluation of Cooling Requirements for Rotating Detonation Combustors
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Topics: Combustion chambers, Convection, Cooling, Explosions, Heat, Stress
Proceedings Papers

Heat Transfer Coefficient and Adiabatic Effectiveness Measurements on a Nozzle Guide Vane With a Single Row of Cylindrical Holes

Sofia Galeotti, Tommaso Bacci, Alessio Picchi, Bruno Facchini, Simone Cubeda
Proc. ASME. GT2023, Volume 7A: Heat Transfer — Combustors; Film Cooling, V07AT12A012, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-102549
https://doi.org/10.1115/GT2023-102549
View Paper titled, Heat Transfer Coefficient and Adiabatic Effectiveness Measurements on a Nozzle Guide Vane With a Single Row of Cylindrical Holes
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Topics: Heat transfer coefficients, Nozzle guide vanes, Suction, Film cooling, Pressure, Cascades (Fluid dynamics), Computer simulation, Databases, Free stream turbulence, Gas flow
Proceedings Papers

Experimental Analysis of Additive Manufactured Latticework Coupons

Niccolò Castelli, Umberto Sandri, Alessio Picchi, Bruno Facchini, Francesco Morante, Simone Cubeda
Proc. ASME. GT2023, Volume 7B: Heat Transfer — General Interest/Additive Manufacturing Impacts on Heat Transfer; Internal Air Systems; Internal Cooling, V07BT13A010, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-102445
https://doi.org/10.1115/GT2023-102445
View Paper titled, Experimental Analysis of Additive Manufactured Latticework Coupons
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Topics: Additive manufacturing, Computerized tomography, Cooling, Experimental analysis, Friction, Heat transfer
Proceedings Papers

Impact of the Purge Flow Density Ratio on the Rim Sealing Effectiveness in Hot Gas Ingestion Measurements

Lorenzo Orsini, Alessio Picchi, Bruno Facchini, Alessio Bonini, Luca Innocenti
Proc. ASME. GT2023, Volume 7B: Heat Transfer — General Interest/Additive Manufacturing Impacts on Heat Transfer; Internal Air Systems; Internal Cooling, V07BT14A023, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-103873
https://doi.org/10.1115/GT2023-103873
View Paper titled, Impact of the Purge Flow Density Ratio on the Rim Sealing Effectiveness in Hot Gas Ingestion Measurements
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Topics: Cavities, Density, Flow (Dynamics), Gas turbines, Sealing (Process)
Proceedings Papers

On the Use of PSP to Determine the Rim Sealing Effectiveness

Lorenzo Orsini, Alessio Picchi, Bruno Facchini, Alessio Bonini, Luca Innocenti
Proc. ASME. GT2023, Volume 7B: Heat Transfer — General Interest/Additive Manufacturing Impacts on Heat Transfer; Internal Air Systems; Internal Cooling, V07BT14A022, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-103820
https://doi.org/10.1115/GT2023-103820
View Paper titled, On the Use of PSP to Determine the Rim Sealing Effectiveness
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Topics: Cavities, Gas turbines, Sealing (Process), Flow (Dynamics), Pressure, Oxygen, Rotors, Stators, Carbon dioxide, Modeling
Journal Articles

Heat Transfer Coefficient and Adiabatic Wall Temperature Measurements on High-Pressure Turbine Nozzle Guide Vanes With Representative Inlet Swirl and Temperature Distortions

Tommaso Bacci, Alessio Picchi, Giulia Babazzi, Bruno Facchini, Simone Cubeda
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. July 2023, 145(7): 071010.
Paper No: TURBO-22-1143
https://doi.org/10.1115/1.4056713
Published Online: February 10, 2023
View Article titled, Heat Transfer Coefficient and Adiabatic Wall Temperature Measurements on High-Pressure Turbine Nozzle Guide Vanes With Representative Inlet Swirl and Temperature Distortions
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Topics: Combustion chambers, Flow (Dynamics), Heat transfer coefficients, Nozzle guide vanes, Temperature, Turbines, Wall temperature, High pressure (Physics), Cascades (Fluid dynamics), Boundary-value problems
Proceedings Papers

Numerical Investigation of Potential Flow Induced Vibrations of Steam Turbine Last Stage Rotor at Low Load Operation - Part 2: Rotating Instabilities Detection

Tommaso Diurno, Antonio Andreini, Bruno Facchini, Nicola Maceli, Lorenzo Arcengeli
Proc. ASME. GT2022, Volume 2: Coal, Biomass, Hydrogen, and Alternative Fuels; Controls, Diagnostics, and Instrumentation; Steam Turbine, V002T20A011, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-81921
https://doi.org/10.1115/GT2022-81921
View Paper titled, Numerical Investigation of Potential Flow Induced Vibrations of Steam Turbine Last Stage Rotor at Low Load Operation - Part 2: Rotating Instabilities Detection
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Topics: Computational fluid dynamics, Exhaust systems, Flow (Dynamics), Rotors, Steam turbines, Stress, Vibration
Proceedings Papers

Film Cooling and Cold Streaks Tracking on a Fully Cooled Nozzle Guide Vane Under Representative Combustor Outflow Conditions

Giulia Babazzi, Tommaso Bacci, Alessio Picchi, Bruno Facchini, Simone Cubeda
Proc. ASME. GT2022, Volume 6A: Heat Transfer — Combustors; Film Cooling, V06AT12A014, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-81360
https://doi.org/10.1115/GT2022-81360
View Paper titled, Film Cooling and Cold Streaks Tracking on a Fully Cooled Nozzle Guide Vane Under Representative Combustor Outflow Conditions
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Topics: Combustion chambers, Film cooling, Nozzle guide vanes, Outflow, Cascades (Fluid dynamics), Design, Flow (Dynamics), Temperature, Turbines, Cooling systems
Proceedings Papers

Numerical Prediction of Heat Transfer Coefficient and Adiabatic Effectiveness on a Nozzle Guide Vane With Representative Combustor Outflow

Stella Grazia Tomasello, Antonio Andreini, Tommaso Bacci, Bruno Facchini, Simone Cubeda, Luca Andrei
Proc. ASME. GT2022, Volume 6A: Heat Transfer — Combustors; Film Cooling, V06AT11A004, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-82128
https://doi.org/10.1115/GT2022-82128
View Paper titled, Numerical Prediction of Heat Transfer Coefficient and Adiabatic Effectiveness on a Nozzle Guide Vane With Representative Combustor Outflow
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Topics: Combustion chambers, Gas turbines, Heat transfer coefficients, Nozzle guide vanes, Outflow, Reynolds-averaged Navier–Stokes equations, Turbines
Proceedings Papers

Effect of Jet-to-Plate Temperature Ratio on Flow and Heat Transfer Features of Active Clearance Control Systems

Riccardo Da Soghe, Lorenzo Mazzei, Lorenzo Tarchi, Niccolò Casini, Niccolò Castelli, Lorenzo Cocchi, Alessio Picchi, Bruno Facchini, Maxime Rotenberg
Proc. ASME. GT2022, Volume 6B: Heat Transfer — General Interest/Additive Manufacturing Impacts on Heat Transfer; Internal Air Systems; Internal Cooling, V06BT14A005, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-81791
https://doi.org/10.1115/GT2022-81791
View Paper titled, Effect of Jet-to-Plate Temperature Ratio on Flow and Heat Transfer Features of Active Clearance Control Systems
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Topics: Clearances (Engineering), Control systems, Flow (Dynamics), Heat transfer, Temperature
Journal Articles

Reduced-Order Models for Effusion Modeling in Gas Turbine Combustors

Simone Paccati, Lorenzo Mazzei, Antonio Andreini, Bruno Facchini
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. August 2022, 144(8): 081013.
Paper No: TURBO-21-1210
https://doi.org/10.1115/1.4053837
Published Online: March 4, 2022
View Article titled, Reduced-Order Models for Effusion Modeling in Gas Turbine Combustors
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Topics: Combustion chambers, Computational fluid dynamics, Coolants, Flow (Dynamics), Modeling, Reynolds-averaged Navier–Stokes equations, Simulation, Turbulence, Experimental design, Gas turbines