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Journal Articles

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

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Tommaso Bacci, Alessio Picchi, Niccolo’ Castelli, Bruno Facchini, Francesco Morante, Luca Innocenti
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. March 2025, 147(3): 031009.
Paper No: TURBO-24-1181
https://doi.org/10.1115/1.4066700
Published Online: October 15, 2024
View Articletitled, Assessment of Additive Manufactured Micro-Channel Characteristics: Impact of Hydraulic Diameter Evaluation
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Topics: Additive manufacturing, Friction, Heat transfer, Microchannels, Surface roughness, Pressure, Shapes, Reynolds number, Cooling, Skin
Proceedings Papers

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

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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

Thickened Flame Model Extension for Dual Gas GT Combustion: Validation Against Single Cup Atmospheric Test

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Roberto Meloni, Giulia Babazzi, Nicola Giannini, Simone Castellani, Pier Carlo Nassini, Alessio Picchi, Sofia Galeotti, Riccardo Becchi, Antonio Andreini
Proc. ASME. GT2024, Volume 3A: Combustion, Fuels, and Emissions, V03AT04A011, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-122234
https://doi.org/10.1115/GT2024-122234
View Paper titled, Thickened Flame Model Extension for Dual Gas GT Combustion: Validation Against Single Cup Atmospheric Test
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Topics: Combustion, Flames
Proceedings Papers

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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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

Prediction of the Flame Characteristics of an Industrial Gas Turbine Operated With CO2-Diluted Air Through an LES-Based CFD Analysis: A Comparison Between FGM and ATF

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Gianmarco Lemmi, Simone Castellani, Sofia Galeotti, Alessio Picchi, Riccardo Becchi, Antonio Andreini, Giulia Babazzi, Roberto Meloni
Proc. ASME. GT2024, Volume 3B: Combustion, Fuels, and Emissions, V03BT04A008, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-127404
https://doi.org/10.1115/GT2024-127404
View Paper titled, Prediction of the Flame Characteristics of an Industrial Gas Turbine Operated With CO2-Diluted Air Through an LES-Based CFD Analysis: A Comparison Between FGM and ATF
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Topics: Carbon dioxide, Computational fluid dynamics, Exhaust gas recirculation, Flamelet generated manifold, Flames, Industrial gases, Turbines
Proceedings Papers

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

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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

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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

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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)
Journal Articles

Experimental Analysis of Additively Manufactured Latticework Coupons

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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 Articletitled, 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

Experimental Analysis of Additive Manufactured Latticework Coupons

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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

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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

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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
Proceedings Papers

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

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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

Evaluation of Cooling Requirements for Rotating Detonation Combustors

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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
Journal Articles

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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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 Articletitled, Heat Transfer Coefficient and Adiabatic Wall Temperature Measurements on High-Pressure Turbine Nozzle Guide Vanes With Representative Inlet Swirl and Temperature Distortions
Open the PDF for Heat Transfer Coefficient and Adiabatic Wall Temperature Measurements on High-Pressure Turbine Nozzle Guide Vanes With Representative Inlet Swirl and Temperature Distortions in another window
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

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

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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

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

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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
Proceedings Papers

Design Procedure of a Rotating Cavity Rig for Hot Gas Ingestion Investigation

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Lorenzo Orsini, Alessio Picchi, Alessio Bonini, Luca Innocenti, Daniele Di Benedetto, Riccardo Da Soghe, Lorenzo Mazzei
Proc. ASME. GT2022, Volume 6B: Heat Transfer — General Interest/Additive Manufacturing Impacts on Heat Transfer; Internal Air Systems; Internal Cooling, V06BT14A011, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-82676
https://doi.org/10.1115/GT2022-82676
View Paper titled, Design Procedure of a Rotating Cavity Rig for Hot Gas Ingestion Investigation
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Topics: Cavities, Design
Journal Articles

Analysis of Swirl Number Effects on Effusion Flow Behavior Using Time-Resolved Particle Image Velocimetry

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Tommaso Lenzi, Alessio Picchi, Antonio Andreini, Bruno Facchini
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. August 2022, 144(8): 081001.
Paper No: TURBO-21-1275
https://doi.org/10.1115/1.4053490
Published Online: March 3, 2022
View Articletitled, Analysis of Swirl Number Effects on Effusion Flow Behavior Using Time-Resolved Particle Image Velocimetry
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Topics: Coolants, Flow (Dynamics), Jets, Swirling flow, Tin, Turbulence, Oscillations
Journal Articles

Effect of Jet-to-Jet Distance and Pipe Position on Flow and Heat Transfer Features of Active Clearance Control Systems

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Lorenzo Cocchi, Alessio Picchi, Bruno Facchini, Riccardo Da Soghe, Lorenzo Mazzei, Lorenzo Tarchi, Laurent Descamps, Maxime Rotenberg
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. April 2022, 144(4): 041010.
Paper No: GTP-21-1543
https://doi.org/10.1115/1.4052953
Published Online: January 21, 2022
View Articletitled, Effect of Jet-to-Jet Distance and Pipe Position on Flow and Heat Transfer Features of Active Clearance Control Systems
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Topics: Flow (Dynamics), Heat transfer, Pipes, Rotation, Geometry