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Journal Articles

Turbulence Measurements in Axial Turbines Using Fast Response Aerodynamic Pressure Probes

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Andrea Notaristefano, Giacomo Persico, Paolo Gaetani
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. August 2025, 147(8): 081012.
Paper No: TURBO-24-1336
https://doi.org/10.1115/1.4067440
Published Online: January 30, 2025
View Articletitled, Turbulence Measurements in Axial Turbines Using Fast Response Aerodynamic Pressure Probes
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Topics: Flow (Dynamics), Pressure, Probes, Turbines, Turbulence, Rotors, Combustion chambers, Blades, Stators
Journal Articles

Aerodynamic Study of a Horizontal Axis Wind Turbine in Surge Motion Under Angular Speed and Blade Pitch Controls

Open Access
Agnese Firpo, Andrea Giuseppe Sanvito, Vincenzo Dossena, Giacomo Persico
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. April 2025, 147(4): 041026.
Paper No: GTP-24-1600
https://doi.org/10.1115/1.4066708
Published Online: November 27, 2024
View Articletitled, Aerodynamic Study of a Horizontal Axis Wind Turbine in Surge Motion Under Angular Speed and Blade Pitch Controls
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Topics: Actuators, Additive manufacturing, Blades, Electromagnetic induction, Rotors, Surges, Stress, Turbines, Boundary element methods, Wakes
Journal Articles

A Computational Fluid Dynamics Study on the Performance of Modified H-Shaped VAWTs for Tilted Operation Condition

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Otman Kouaissah, Nicoletta Franchina, Giacomo Persico
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. May 2025, 147(5): 051017.
Paper No: GTP-24-1599
https://doi.org/10.1115/1.4066615
Published Online: November 22, 2024
View Articletitled, A Computational Fluid Dynamics Study on the Performance of Modified H-Shaped VAWTs for Tilted Operation Condition
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Topics: Blades, Computational fluid dynamics, Rotors, Vertical axis wind turbines, Wakes, Turbines, Machinery, Design, Flow (Dynamics), Wind turbines
Proceedings Papers

A CFD Study on the Performance of Modified H-Shaped VAWTs for Tilted Operation Condition

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Otman Kouaissah, Nicoletta Franchina, Giacomo Persico
Proc. ASME. GT2024, Volume 13: Heat Transfer: General Interest / Additive Manufacturing Impacts on Heat Transfer; Wind Energy, V013T37A009, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-124830
https://doi.org/10.1115/GT2024-124830
View Paper titled, A CFD Study on the Performance of Modified H-Shaped VAWTs for Tilted Operation Condition
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Topics: Computational fluid dynamics, Rotors, Vertical axis wind turbines, Wakes
Proceedings Papers

Aerodynamic Study of a Horizontal Axis Wind Turbine in Surge Motion Under Angular Speed and Blade Pitch Controls

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Agnese Firpo, Andrea G. Sanvito, Vincenzo Dossena, Giacomo Persico
Proc. ASME. GT2024, Volume 13: Heat Transfer: General Interest / Additive Manufacturing Impacts on Heat Transfer; Wind Energy, V013T37A020, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-129321
https://doi.org/10.1115/GT2024-129321
View Paper titled, Aerodynamic Study of a Horizontal Axis Wind Turbine in Surge Motion Under Angular Speed and Blade Pitch Controls
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Topics: Actuators, Blades, Floating wind turbines, Horizontal axis wind turbines, Surges, Electromagnetic induction, Resolution (Optics), Stress, Turbines, Wakes
Proceedings Papers

Turbulence Measurements in Axial Turbines Using Fast Response Aerodynamic Pressure Probes

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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
Journal Articles

Guidelines for the Aerodynamic Design of sCO 2 Centrifugal Compressor Stages

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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 Articletitled, 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
Journal Articles

Supercritical Carbon Dioxide Bottoming Cycles for Off-Shore Applications—An Optimization Study

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Giacomo Persico, David T. Sánchez, Dario Alfani, Paolo Silva, Rene Vijgen, Marco Ruggiero, Stefan Glos, Renaud Le Pierres, Ulrich Schmitz, Rasmus Rubycz, Albannie Cagnac, Scott Macadam, Dominique H. Orhon
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. November 2023, 145(11): 111017.
Paper No: GTP-23-1317
https://doi.org/10.1115/1.4063314
Published Online: September 29, 2023
View Articletitled, Supercritical Carbon Dioxide Bottoming Cycles for Off-Shore Applications—An Optimization Study
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Topics: Cycles, Optimization, Steam
Proceedings Papers

Formulation and Validation of a Novel Actuator Line Model for FOWT Applications

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Andrea G. Sanvito, Giacomo Persico, Agnese Firpo, Paolo Schito, Vincenzo Dossena, Alberto Zasso
Proc. ASME. GT2023, Volume 14: Wind Energy, V014T37A014, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-104149
https://doi.org/10.1115/GT2023-104149
View Paper titled, Formulation and Validation of a Novel Actuator Line Model for FOWT Applications
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Topics: Actuators
Proceedings Papers

sCO 2 Bottoming Cycle for Off-Shore Applications – An Optimization Study

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Giacomo Persico, David T. Sanchez, Dario Alfani, Paolo Silva, Rene Vijgen, Marco Ruggiero, Stefan Glos, Renaud Le Pierres, Ulrich Schmitz, Rasmus Rubycz, Albannie Cagnac, Scott Macadam, Dominique H. Orhon
Proc. ASME. GT2023, Volume 12: Supercritical CO2, V012T28A017, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-102913
https://doi.org/10.1115/GT2023-102913
View Paper titled, sCO 2 Bottoming Cycle for Off-Shore Applications – An Optimization Study
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Topics: Cycles, Ocean engineering, Optimization
Proceedings Papers

A Strategy for the Design of ORC Multi-Stage Axial Turbines for Geothermal Energy Conversion

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Marco Manfredi, Giacomo Persico, Vincenzo Dossena, Lorenzo Cosi, Annalisa Forte, Lorenzo Arcangeli
Proc. ASME. GT2023, Volume 13B: Turbomachinery — Axial Flow Turbine Aerodynamics, V13BT30A042, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-104116
https://doi.org/10.1115/GT2023-104116
View Paper titled, A Strategy for the Design of ORC Multi-Stage Axial Turbines for Geothermal Energy Conversion
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Topics: Design, Geothermal power, Modeling, Organic Rankine cycle, Turbines
Proceedings Papers

Guidelines for the Aerodynamic Design of sCO 2 Centrifugal Compressor Stages

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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

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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 Articletitled, 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
Proceedings Papers

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

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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

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

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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
Proceedings Papers

Mean-Line Design and Optimization of Axial-Flow Turbines Based on Mixed Integer Nonlinear Programming

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Vincenzo Dipierro, Matteo Martinelli, Giacomo Persico, Emanuele Martelli
Proc. ASME. GT2022, Volume 10D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Turbomachinery General Interest; Unsteady Flows in Turbomachinery, V10DT34A016, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-82688
https://doi.org/10.1115/GT2022-82688
View Paper titled, Mean-Line Design and Optimization of Axial-Flow Turbines Based on Mixed Integer Nonlinear Programming
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Topics: Axial flow, Design, Nonlinear programming, Optimization, Turbines
Journal Articles

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

Available to Purchase
Lorenzo Toni, Ernani Fulvio Bellobuono, Roberto Valente, 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. October 2022, 144(10): 101015.
Paper No: GTP-22-1268
https://doi.org/10.1115/1.4055364
Published Online: September 12, 2022
View Articletitled, Computational and Experimental Assessment of a MW-Scale Supercritical CO 2 Compressor Operating in Multiple Near-Critical Conditions
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Topics: Compressors, Flow (Dynamics), Pressure, Speed of sound, Temperature, Simulation, Two-phase flow, Equilibrium (Physics)
Proceedings Papers

On sCO 2 Compressor Performance Maps at Variable Intake Thermodynamic Conditions

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Alessandro Romei, Paolo Gaetani, Giacomo Persico
Proc. ASME. GT2021, Volume 10: Supercritical CO2, V010T30A028, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-60252
https://doi.org/10.1115/GT2021-60252
View Paper titled, On sCO 2 Compressor Performance Maps at Variable Intake Thermodynamic Conditions
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Topics: Compressors, Flow (Dynamics), Carbon dioxide, Compressibility, Mach number, Blades, Design, Engineering simulation, Fluids, Simulation
Journal Articles

Computational and Experimental Study of the Unsteady Convection of Entropy Waves Within a High-Pressure Turbine Stage

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Lorenzo Pinelli, Michele Marconcini, Roberto Pacciani, Paolo Gaetani, Giacomo Persico
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. September 2021, 143(9): 091011.
Paper No: TURBO-20-1381
https://doi.org/10.1115/1.4050600
Published Online: May 12, 2021
View Articletitled, Computational and Experimental Study of the Unsteady Convection of Entropy Waves Within a High-Pressure Turbine Stage
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Topics: Blades, Entropy, Flow (Dynamics), Rotors, Stators, Temperature, Turbines, Waves, Fluctuations (Physics), Pressure
Journal Articles

Implications of Phase Change on the Aerodynamics of Centrifugal Compressors for Supercritical Carbon Dioxide Applications

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Giacomo Persico, Paolo Gaetani, Alessandro Romei, Lorenzo Toni, Ernani Fulvio Bellobuono, Roberto Valente
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. April 2021, 143(4): 041007.
Paper No: GTP-20-1744
https://doi.org/10.1115/1.4049924
Published Online: February 24, 2021
View Articletitled, Implications of Phase Change on the Aerodynamics of Centrifugal Compressors for Supercritical Carbon Dioxide Applications
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Topics: Compressors, Flow (Dynamics), Aerodynamics