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Paolo Gaetani
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Journal Articles

Advanced Design of a Transition Duct for Supersonic Inlet Turbines in Rotating Detonation Engines

Accepted Manuscript
Noraiz Mushtaq, Matteo Pini, Paolo Gaetani
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach.
Paper No: TURBO-24-1306
https://doi.org/10.1115/1.4067242
Published Online: November 21, 2024
View Article titled, Advanced Design of a Transition Duct for Supersonic Inlet Turbines in Rotating Detonation Engines
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Topics: Computational fluid dynamics, Design, Ducts, Engines, Explosions, Turbines, Turbochargers, Flow (Dynamics), Simulation, Boundary layers
Proceedings Papers

Turbulence Measurements in Axial Turbines Using Fast Response Aerodynamic Pressure Probes

Andrea Notaristefano, Giacomo Persico, Paolo Gaetani
Proc. ASME. GT2024, Volume 12B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing, V12BT30A034, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-127179
https://doi.org/10.1115/GT2024-127179
View Paper titled, Turbulence Measurements in Axial Turbines Using Fast Response Aerodynamic Pressure Probes
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Topics: Combustion chambers, Flow (Dynamics), Pressure, Probes, Turbines, Turbulence
Proceedings Papers

Advanced Design of a Transition Duct for Supersonic Inlet Turbines in Rotating Detonation Engines

Noraiz Mushtaq, Matteo Pini, Paolo Gaetani
Proc. ASME. GT2024, Volume 12C: Turbomachinery — Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V12CT33A014, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-128218
https://doi.org/10.1115/GT2024-128218
View Paper titled, Advanced Design of a Transition Duct for Supersonic Inlet Turbines in Rotating Detonation Engines
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Topics: Design, Ducts, Engines, Explosions, Turbines
Proceedings Papers

Understanding Entropy Wave Evolution in High-Pressure Turbines: the Role of Hot Spot Position and Features

Lorenzo Pinelli, Giovanni Giannini, Michele Marconcini, Roberto Pacciani, Andrea Notaristefano, Paolo Gaetani
Proc. ASME. GT2024, Volume 12D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V12DT36A015, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-127446
https://doi.org/10.1115/GT2024-127446
View Paper titled, Understanding Entropy Wave Evolution in High-Pressure Turbines: the Role of Hot Spot Position and Features
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Topics: Combustion chambers, Entropy, High pressure (Physics), Turbines, Waves
Journal Articles

Modeling of Combustor Non-Uniformities Evolution Through a High-Pressure Turbine Stage

Andrea Notaristefano, Paolo Gaetani
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. June 2024, 146(6): 061008.
Paper No: TURBO-23-1247
https://doi.org/10.1115/1.4064223
Published Online: January 29, 2024
View Article titled, Modeling of Combustor Non-Uniformities Evolution Through a High-Pressure Turbine Stage
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Topics: Combustion chambers, Flow (Dynamics), Modeling, Pressure, Stators, Temperature, Turbines, Rotors, Aerodynamics, Blades
Journal Articles

The Impact of the Off-Design Conditions on the Entropy Wave Interaction With a High-Pressure Turbine Stage

Lorenzo Pinelli, Giovanni Giannini, Michele Marconcini, Roberto Pacciani, Andrea Notaristefano, Paolo Gaetani
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. April 2024, 146(4): 041003.
Paper No: TURBO-23-1243
https://doi.org/10.1115/1.4064085
Published Online: December 15, 2023
View Article titled, The Impact of the Off-Design Conditions on the Entropy Wave Interaction With a High-Pressure Turbine Stage
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Topics: Blades, Design, Entropy, Flow (Dynamics), Fluctuations (Physics), Pressure, Rotors, Stress, Temperature, Turbines
Journal Articles

The Effect of Upstream Unsteadiness on the Unstarting of a Supersonic Inlet Turbine

Noraiz Mushtaq, Paolo Gaetani
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. April 2024, 146(4): 041005.
Paper No: TURBO-23-1248
https://doi.org/10.1115/1.4064135
Published Online: December 15, 2023
View Article titled, The Effect of Upstream Unsteadiness on the Unstarting of a Supersonic Inlet Turbine
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Topics: Mach number, Shock (Mechanics), Shock waves, Simulation, Turbines, Flow (Dynamics), Dynamics (Mechanics), Computational fluid dynamics, Waves, Blades
Journal Articles

Guidelines for the Aerodynamic Design of sCO 2 Centrifugal Compressor Stages

Alessandro Romei, Paolo Gaetani, Giacomo Persico
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. November 2023, 145(11): 111014.
Paper No: GTP-23-1310
https://doi.org/10.1115/1.4063311
Published Online: September 29, 2023
View Article titled, Guidelines for the Aerodynamic Design of sCO 2 Centrifugal Compressor Stages
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Topics: Blades, Compressors, Design, Flow (Dynamics), Impellers, Two-phase flow, Fluids, Optimization, Shapes
Proceedings Papers

The Impact of the Off-Design Conditions on the Entropy Wave Interaction With a High-Pressure Turbine Stage

Lorenzo Pinelli, Giovanni Giannini, Michele Marconcini, Roberto Pacciani, Andrea Notaristefano, Paolo Gaetani
Proc. ASME. GT2023, Volume 13D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V13DT36A019, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-102837
https://doi.org/10.1115/GT2023-102837
View Paper titled, The Impact of the Off-Design Conditions on the Entropy Wave Interaction With a High-Pressure Turbine Stage
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Topics: Design, Entropy, High pressure (Physics), Turbines, Waves, Emissions, Noise (Sound), Rotors, Combustion chambers, Engines
Proceedings Papers

Modelling of Combustor Non-Uniformities Evolution Through a High-Pressure Turbine Stage

Andrea Notaristefano, Paolo Gaetani
Proc. ASME. GT2023, Volume 13B: Turbomachinery — Axial Flow Turbine Aerodynamics, V13BT30A018, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-102601
https://doi.org/10.1115/GT2023-102601
View Paper titled, Modelling of Combustor Non-Uniformities Evolution Through a High-Pressure Turbine Stage
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Topics: Combustion chambers, Entropy, High pressure (Physics), Modeling, Turbines, Waves
Proceedings Papers

The Effect of Upstream Unsteadiness on the Unstarting of a Supersonic Inlet Turbine

Noraiz Mushtaq, Paolo Gaetani
Proc. ASME. GT2023, Volume 13B: Turbomachinery — Axial Flow Turbine Aerodynamics, V13BT30A041, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-103883
https://doi.org/10.1115/GT2023-103883
View Paper titled, The Effect of Upstream Unsteadiness on the Unstarting of a Supersonic Inlet Turbine
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Topics: Engines, Explosions, Shock waves, Turbines
Proceedings Papers

Guidelines for the Aerodynamic Design of sCO 2 Centrifugal Compressor Stages

Alessandro Romei, Paolo Gaetani, Giacomo Persico
Proc. ASME. GT2023, Volume 12: Supercritical CO2, V012T28A010, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-102106
https://doi.org/10.1115/GT2023-102106
View Paper titled, Guidelines for the Aerodynamic Design of sCO 2 Centrifugal Compressor Stages
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Topics: Compressors, Design, Flow (Dynamics), Carbon dioxide, Optimization, Shapes, Aerodynamics, Compressibility, Density, Engineering design processes
Journal Articles

The Role of Endwall Shape Optimization in the Design of Supersonic Turbines for Rotating Detonation Engines

Noraiz Mushtaq, Giacomo Persico, Paolo Gaetani
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. August 2023, 145(8): 081015.
Paper No: TURBO-22-1161
https://doi.org/10.1115/1.4062277
Published Online: May 22, 2023
View Article titled, The Role of Endwall Shape Optimization in the Design of Supersonic Turbines for Rotating Detonation Engines
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Topics: Blades, Design, Flow (Dynamics), Rotors, Shape optimization, Stators, Turbines, Optimization, Explosions, Mach number
Journal Articles

The Role of Turbine Operating Conditions on Combustor–Turbine Interaction—Part I: Change in Expansion Ratio

Andrea Notaristefano, Paolo Gaetani
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. May 2023, 145(5): 051001.
Paper No: TURBO-22-1163
https://doi.org/10.1115/1.4055642
Published Online: November 8, 2022
View Article titled, The Role of Turbine Operating Conditions on Combustor–Turbine Interaction—Part I: Change in Expansion Ratio
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Topics: Blades, Combustion chambers, Flow (Dynamics), Pressure, Rotors, Stators, Temperature, Turbines, Aerodynamics
Journal Articles

The Role of Turbine Operating Conditions on Combustor–Turbine Interaction—Part II: Loading Effects

Andrea Notaristefano, Paolo Gaetani
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. May 2023, 145(5): 051002.
Paper No: TURBO-22-1164
https://doi.org/10.1115/1.4055643
Published Online: November 8, 2022
View Article titled, The Role of Turbine Operating Conditions on Combustor–Turbine Interaction—Part II: Loading Effects
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Topics: Blades, Combustion chambers, Flow (Dynamics), Rotors, Stators, Temperature, Turbines, Swirling flow, Pressure, Aerodynamics
Proceedings Papers

The Role of Endwall Shape Optimization in the Design of Supersonic Turbines for Rotating Detonation Engines

Noraiz Mushtaq, Giacomo Persico, Paolo Gaetani
Proc. ASME. GT2022, Volume 10B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing; Radial Turbomachinery Aerodynamics, V10BT30A023, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-82424
https://doi.org/10.1115/GT2022-82424
View Paper titled, The Role of Endwall Shape Optimization in the Design of Supersonic Turbines for Rotating Detonation Engines
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Topics: Design, Engines, Explosions, Shape optimization, Turbines
Proceedings Papers

The Role of Turbine Operating Conditions on Combustor-Turbine Interaction – Part 2: Loading Effects

Andrea Notaristefano, Paolo Gaetani
Proc. ASME. GT2022, Volume 10D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Turbomachinery General Interest; Unsteady Flows in Turbomachinery, V10DT37A016, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-82256
https://doi.org/10.1115/GT2022-82256
View Paper titled, The Role of Turbine Operating Conditions on Combustor-Turbine Interaction – Part 2: Loading Effects
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Topics: Combustion chambers, Entropy, Turbines, Waves
Proceedings Papers

The Role of Turbine Operating Conditions on Combustor-Turbine Interaction – Part 1: Change in Expansion Ratio

Andrea Notaristefano, Paolo Gaetani
Proc. ASME. GT2022, Volume 10D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Turbomachinery General Interest; Unsteady Flows in Turbomachinery, V10DT37A012, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-81707
https://doi.org/10.1115/GT2022-81707
View Paper titled, The Role of Turbine Operating Conditions on Combustor-Turbine Interaction – Part 1: Change in Expansion Ratio
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Topics: Combustion chambers, Entropy, Turbines, Waves
Proceedings Papers

The Effects of Swirling Flows in Entropy Wave Convection Through High Pressure Turbine Stage

Lorenzo Pinelli, Michele Marconcini, Roberto Pacciani, Andrea Notaristefano, Paolo Gaetani
Proc. ASME. GT2022, Volume 10D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Turbomachinery General Interest; Unsteady Flows in Turbomachinery, V10DT37A020, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-82594
https://doi.org/10.1115/GT2022-82594
View Paper titled, The Effects of Swirling Flows in Entropy Wave Convection Through High Pressure Turbine Stage
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Topics: Convection, Entropy, High pressure (Physics), Swirling flow, Turbines, Waves, Combustion chambers, Computer simulation, Flow (Dynamics), Fluctuations (Physics)
Proceedings Papers

Computational and Experimental Assessment of a MW-Scale Supercritical CO 2 Compressor Operating in Multiple Near-Critical Conditions

Lorenzo Toni, Ernani Fulvio Bellobuono, Roberto Valente, Alessandro Romei, Paolo Gaetani, Giacomo Persico
Proc. ASME. GT2022, Volume 9: Supercritical CO2, V009T28A021, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-83171
https://doi.org/10.1115/GT2022-83171
View Paper titled, Computational and Experimental Assessment of a MW-Scale Supercritical CO 2 Compressor Operating in Multiple Near-Critical Conditions
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Topics: Compressors, Speed of sound, Supercritical carbon dioxide