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Proceedings Papers

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

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

Paper No: GT2022-82688

DOI: https://doi.org/10.1115/GT2022-82688

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Topics: Axial flow, Design, Nonlinear programming, Optimization, Turbines

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

Paper No: GT2022-83171

DOI: https://doi.org/10.1115/GT2022-83171

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Topics: Compressors, Speed of sound, Supercritical carbon dioxide

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

Paper No: GT2022-82424

DOI: https://doi.org/10.1115/GT2022-82424

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Topics: Design, Engines, Explosions, Shape optimization, Turbines

Journal Articles

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

J. Eng. Gas Turbines Power. October 2022, 144(10): 101015.

Paper No: GTP-22-1268

DOI: https://doi.org/10.1115/1.4055364

Published Online: September 12, 2022

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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

Alessandro Romei, Paolo Gaetani, Giacomo Persico

Proc. ASME. GT2021, Volume 10: Supercritical CO2, V010T30A028, June 7–11, 2021

Paper No: GT2021-60252

DOI: https://doi.org/10.1115/GT2021-60252

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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

Lorenzo Pinelli, Michele Marconcini, Roberto Pacciani, Paolo Gaetani, Giacomo Persico

J. Turbomach. September 2021, 143(9): 091011.

Paper No: TURBO-20-1381

DOI: https://doi.org/10.1115/1.4050600

Published Online: May 12, 2021

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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

Giacomo Persico, Paolo Gaetani, Alessandro Romei, Lorenzo Toni, Ernani Fulvio Bellobuono, Roberto Valente

J. Eng. Gas Turbines Power. April 2021, 143(4): 041007.

Paper No: GTP-20-1744

DOI: https://doi.org/10.1115/1.4049924

Published Online: February 24, 2021

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Topics: Compressors, Flow (Dynamics), Aerodynamics

Proceedings Papers

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

Lorenzo Pinelli, Michele Marconcini, Roberto Pacciani, Paolo Gaetani, Giacomo Persico

Proc. ASME. GT2020, Volume 2E: Turbomachinery, V02ET41A015, September 21–25, 2020

Paper No: GT2020-14725

DOI: https://doi.org/10.1115/GT2020-14725

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Topics: Convection, Entropy, High pressure (Physics), Turbines, Waves, Computational fluid dynamics, Engineering simulation, Simulation, Temperature, Fluctuations (Physics)

Proceedings Papers

Multi-Fidelity Surrogate-Based Optimization of Transonic and Supersonic Axial Turbine Profiles

Nassim Razaaly, Giacomo Persico, Pietro Marco Congedo

Proc. ASME. GT2020, Volume 2C: Turbomachinery, V02CT35A026, September 21–25, 2020

Paper No: GT2020-14972

DOI: https://doi.org/10.1115/GT2020-14972

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Topics: Optimization, Turbines, Computational fluid dynamics, Fluids, B-splines, Cascades (Fluid dynamics), Design, Flow (Dynamics), Geometry, High pressure (Physics)

Proceedings Papers

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

Giacomo Persico, Lorenzo Toni, Paolo Gaetani, Ernani Fulvio Bellobuono, Alessandro Romei, Roberto Valente

Proc. ASME. GT2020, Volume 11: Structures and Dynamics: Structural Mechanics, Vibration, and Damping; Supercritical CO2, V011T31A010, September 21–25, 2020

Paper No: GT2020-14988

DOI: https://doi.org/10.1115/GT2020-14988

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Topics: Aerodynamics, Carbon dioxide, Compressors, Supercritical carbon dioxide

Proceedings Papers

High-Fidelity Calculation of Floating Offshore Wind Turbines Under Pitching Motion

Andrea Ortolani, Giacomo Persico, Jernej Drofelnik, Adrian Jackson, M. Sergio Campobasso

Proc. ASME. GT2020, Volume 12: Wind Energy, V012T42A012, September 21–25, 2020

Paper No: GT2020-15552

DOI: https://doi.org/10.1115/GT2020-15552

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Topics: Floating wind turbines, Rotors, Computational fluid dynamics, Blades, Wakes, Aerodynamics, Engineering simulation, Simulation, Stress, Turbines

Journal Articles

Computational Fluid Dynamics Analysis of Floating Offshore Wind Turbines in Severe Pitching Conditions

Andrea Ortolani, Giacomo Persico, Jernej Drofelnik, Adrian Jackson, M. Sergio Campobasso

J. Eng. Gas Turbines Power. December 2020, 142(12): 121003.

Paper No: GTP-20-1409

DOI: https://doi.org/10.1115/1.4048776

Published Online: November 18, 2020

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Topics: Blades, Computational fluid dynamics, Flow (Dynamics), Rotors, Simulation, Turbines, Pressure

Journal Articles

Amplification of Operational Uncertainty Induced by Nonideal Flows in Supersonic Turbine Cascades

Alessandro Romei, Davide Vimercati, Alberto Guardone, Giacomo Persico

J. Eng. Gas Turbines Power. August 2020, 142(8): 081006.

Paper No: GTP-19-1764

DOI: https://doi.org/10.1115/1.4047770

Published Online: July 31, 2020

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Topics: Cascades (Fluid dynamics), Flow (Dynamics), Pressure, Turbines, Uncertainty, Temperature, Fluids, Cycles, Rotors, Shock (Mechanics)

Journal Articles

Computational and Experimental Study of Hot Streak Transport Within the First Stage of a Gas Turbine

Paolo Gaetani, Giacomo Persico, Lorenzo Pinelli, Michele Marconcini, Roberto Pacciani

J. Turbomach. August 2020, 142(8): 081002.

Paper No: TURBO-19-1269

DOI: https://doi.org/10.1115/1.4045961

Published Online: July 28, 2020

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Topics: Blades, Flow (Dynamics), Gas turbines, Rotors, Stators, Temperature, Turbines, Pressure, Computational fluid dynamics, Simulation

Journal Articles

The Role of Turbomachinery Performance in the Optimization of Supercritical Carbon Dioxide Power Systems

Alessandro Romei, Paolo Gaetani, Andrea Giostri, Giacomo Persico

J. Turbomach. July 2020, 142(7): 071001.

Paper No: TURBO-19-1283

DOI: https://doi.org/10.1115/1.4046182

Published Online: June 11, 2020

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Topics: Compressors, Cycles, Pressure, Turbines, Turbomachinery, Design, Optimization, Power systems (Machinery), Flow (Dynamics)

Proceedings Papers

The Role of Turbomachinery Performance in the Optimization of Supercritical Carbon Dioxide Power Systems

Alessandro Romei, Paolo Gaetani, Andrea Giostri, Giacomo Persico

Proc. ASME. GT2019, Volume 9: Oil and Gas Applications; Supercritical CO2 Power Cycles; Wind Energy, V009T38A020, June 17–21, 2019

Paper No: GT2019-91189

DOI: https://doi.org/10.1115/GT2019-91189

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Topics: Optimization, Power systems (Machinery), Supercritical carbon dioxide, Turbomachinery, Cycles, Compressors, Pressure, Machinery, Accounting, Compression

Proceedings Papers

Computational and Experimental Study of Hot Streak Transport Within the First Stage of a Gas Turbine

Paolo Gaetani, Giacomo Persico, Lorenzo Pinelli, Michele Marconcini, Roberto Pacciani

Proc. ASME. GT2019, Volume 2A: Turbomachinery, V02AT45A022, June 17–21, 2019

Paper No: GT2019-91276

DOI: https://doi.org/10.1115/GT2019-91276

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Topics: Gas turbines, Blades, Computational fluid dynamics, Engineering simulation, Flow (Dynamics), Simulation, Temperature, Rotors, Stators, Turbines

Journal Articles

Assessing the Sensitivity of Stall-Regulated Wind Turbine Power to Blade Design Using High-Fidelity Computational Fluid Dynamics

Andrea G. Sanvito, Giacomo Persico, M. Sergio Campobasso

J. Eng. Gas Turbines Power. October 2019, 141(10): 101022.

Paper No: GTP-19-1345

DOI: https://doi.org/10.1115/1.4044731

Published Online: September 24, 2019

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Topics: Blades, Computational fluid dynamics, Design, Rotors, Wind velocity, Airfoils, Simulation, Flow (Dynamics), Horizontal axis wind turbines, Aerodynamics

Journal Articles

High-Fidelity Shape Optimization of Non-Conventional Turbomachinery by Surrogate Evolutionary Strategies

Giacomo Persico, Pablo Rodriguez-Fernandez, Alessandro Romei

J. Turbomach. August 2019, 141(8): 081010.

Paper No: TURBO-17-1220

DOI: https://doi.org/10.1115/1.4043252

Published Online: April 2, 2019

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Topics: Blades, Cascades (Fluid dynamics), Computational fluid dynamics, Design, Flow (Dynamics), Optimization, Turbomachinery, Shape optimization, Pressure, Turbines

Journal Articles

Assessment of Deterministic Shape Optimizations Within a Stochastic Framework for Supersonic Organic Rankine Cycle Nozzle Cascades

Alessandro Romei, Pietro Marco Congedo, Giacomo Persico

J. Eng. Gas Turbines Power. July 2019, 141(7): 071019.

Paper No: GTP-18-1509

DOI: https://doi.org/10.1115/1.4042925

Published Online: March 13, 2019

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Topics: Blades, Cascades (Fluid dynamics), Flow (Dynamics), Optimization, Pressure, Uncertainty, Uncertainty quantification, Nozzles, Design, Organic Rankine cycle

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Journal citation

NARROW

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

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

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

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

On sCO 2 Compressor Performance Maps at Variable Intake Thermodynamic Conditions

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

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

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

Multi-Fidelity Surrogate-Based Optimization of Transonic and Supersonic Axial Turbine Profiles

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

High-Fidelity Calculation of Floating Offshore Wind Turbines Under Pitching Motion

Computational Fluid Dynamics Analysis of Floating Offshore Wind Turbines in Severe Pitching Conditions

Amplification of Operational Uncertainty Induced by Nonideal Flows in Supersonic Turbine Cascades

Computational and Experimental Study of Hot Streak Transport Within the First Stage of a Gas Turbine

The Role of Turbomachinery Performance in the Optimization of Supercritical Carbon Dioxide Power Systems

The Role of Turbomachinery Performance in the Optimization of Supercritical Carbon Dioxide Power Systems

Computational and Experimental Study of Hot Streak Transport Within the First Stage of a Gas Turbine

Assessing the Sensitivity of Stall-Regulated Wind Turbine Power to Blade Design Using High-Fidelity Computational Fluid Dynamics

High-Fidelity Shape Optimization of Non-Conventional Turbomachinery by Surrogate Evolutionary Strategies

Assessment of Deterministic Shape Optimizations Within a Stochastic Framework for Supersonic Organic Rankine Cycle Nozzle Cascades

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