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Proceedings Papers

Innovative Cavity Modeling for Centrifugal Compressors Aeromechanical Analysis

Marco Batisti, Lorenzo Pinelli, Lorenzo Toni, Alberto Guglielmo, Michele Marconcini, Andrea Arnone
Proc. ASME. GT2024, Volume 12D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V12DT35A025, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-128815
https://doi.org/10.1115/GT2024-128815
View Paper titled, Innovative Cavity Modeling for Centrifugal Compressors Aeromechanical Analysis
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Topics: Acoustics, Cavities, Compressors, Modeling
Proceedings Papers

Analysis of the Flow-Field Distortions Induced by Pneumatic Pressure Probes in Test Bench Experiments on Centrifugal Compressors: Are We Testing Right?

Alberto Baroni, Luca Romani, Francesco Balduzzi, Lorenzo Toni, Angelo Grimaldi, Elisabetta Belardini, Davide Biliotti, Alessandro Bianchini, Giovanni Ferrara
Proc. ASME. GT2024, Volume 12D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V12DT35A008, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-124021
https://doi.org/10.1115/GT2024-124021
View Paper titled, Analysis of the Flow-Field Distortions Induced by Pneumatic Pressure Probes in Test Bench Experiments on Centrifugal Compressors: Are We Testing Right?
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Topics: Compressors, Computational fluid dynamics, Diffusers, Flow (Dynamics), Pressure, Probes, Testing
Proceedings Papers

Numerical and Experimental Aeromechanic Study in High Frequency Domain of Hydrogen Compressor

Ravi Shanmugam Venkatachalam, Manjush Ganiger, Lorenzo Toni, Alberto Guglielmo, Davide Biliotti, Lorenzo Miris
Proc. ASME. GT2024, Volume 10A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics; Emerging Methods in Engineering Design, Analysis, and Additive Manufacturing, V10AT21A002, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-122245
https://doi.org/10.1115/GT2024-122245
View Paper titled, Numerical and Experimental Aeromechanic Study in High Frequency Domain of Hydrogen Compressor
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Topics: Compression, Compressors, Hydrogen
Proceedings Papers

On the Feasibility of Helicity-Based Corrections of Turbulence Models for Improving RANS Predictions of Centrifugal Compressor Stages

Alessandro Pela, Michele Marconcini, Andrea Arnone, Lorenzo Toni, Roberto Valente, Andrea Agnolucci, Angelo Grimaldi, Roberto Pacciani
Proc. ASME. GT2023, Volume 13D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V13DT35A026, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-103852
https://doi.org/10.1115/GT2023-103852
View Paper titled, On the Feasibility of Helicity-Based Corrections of Turbulence Models for Improving RANS Predictions of Centrifugal Compressor Stages
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Topics: Compressors, Computational fluid dynamics, Helicity, Modeling, Reynolds-averaged Navier–Stokes equations, Turbulence
Proceedings Papers

Integrated Aero-Mechanical Design and Experimental Validation for Next Generation Compressors for Energy Transition

Lorenzo Toni, Alberto Guglielmo, Angelo Grimaldi, Francesco Cangioli, Davide Biliotti, Elisabetta Belardini, Giulia Meazzini, Lorenzo Miris
Proc. ASME. GT2023, Volume 13D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V13DT35A025, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-103817
https://doi.org/10.1115/GT2023-103817
View Paper titled, Integrated Aero-Mechanical Design and Experimental Validation for Next Generation Compressors for Energy Transition
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Topics: Aerodynamics, Compressors, Design, Design engineering
Proceedings Papers

Robust Design of a Vaned Diffuser in a Centrifugal Compressor Stage With a High Load Impeller

Andrea Agnolucci, Michele Marconcini, Davide Biliotti, Lorenzo Toni, Alberto Baroni, Luca Romani, Andrea Arnone
Proc. ASME. GT2023, Volume 13D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V13DT35A022, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-103585
https://doi.org/10.1115/GT2023-103585
View Paper titled, Robust Design of a Vaned Diffuser in a Centrifugal Compressor Stage With a High Load Impeller
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Topics: Compressors, Design, Diffusers, Impellers, Stress, Clearances (Engineering), High pressure (Physics), Geometry, Machinery, Manufacturing
Proceedings Papers

A Two-Step Approach for Centrifugal Compressor Performance Mapping Based on a Reduced-Order Model and an Evolutionary Algorithm

Marco Bicchi, Davide Biliotti, Lorenzo Toni, Michele Marconcini, Angelo Grimaldi, Andrea Arnone
Proc. ASME. GT2023, Volume 13D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V13DT35A009, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-102252
https://doi.org/10.1115/GT2023-102252
View Paper titled, A Two-Step Approach for Centrifugal Compressor Performance Mapping Based on a Reduced-Order Model and an Evolutionary Algorithm
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Topics: Compressors, Computational fluid dynamics, Evolutionary algorithms
Proceedings Papers

A Critical Analysis on the Impact of External Losses on the Performance of a Centrifugal Compressor Stage – Experimental and Multi-Fidelity Numerical Assessment

Alberto Baroni, Iacopo Catalani, Luca Romani, Marco Bicchi, Francesco Balduzzi, Michele Marconcini, Alessandro Bianchini, Andrea Arnone, Giovanni Ferrara, Lorenzo Toni, Davide Biliotti
Proc. ASME. GT2023, Volume 13D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V13DT35A012, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-102488
https://doi.org/10.1115/GT2023-102488
View Paper titled, A Critical Analysis on the Impact of External Losses on the Performance of a Centrifugal Compressor Stage – Experimental and Multi-Fidelity Numerical Assessment
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Topics: Compressors, Computational fluid dynamics, Design, Flow (Dynamics), Cavities, Engineering simulation, Simulation, Computer simulation, Leakage, Leakage flows
Proceedings Papers

Supercritical CO2 Compressor and Expander Design for Industrial Waste-Heat Valorization

Lorenzo Toni, Valentina Bisio, Alberto Milani, Davide Biliotti, Ernani Fulvio Bellobuono, Roberto Valente, Matteo Dozzini, Manuele Bigi, Giulio Generini
Proc. ASME. GT2023, Volume 12: Supercritical CO2, V012T28A016, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-102558
https://doi.org/10.1115/GT2023-102558
View Paper titled, Supercritical CO2 Compressor and Expander Design for Industrial Waste-Heat Valorization
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Topics: Compressors, Design, Supercritical carbon dioxide, Testing, Waste heat
Proceedings Papers

Numerical Investigation on Radial Turbines Aerodynamics Aimed at the Definition of Design Rules for Industrial Applications

Fabrizio Lottini, Michele Marconcini, Andrea Arnone, Davide Biliotti, Lorenzo Toni
Proc. ASME. GT2022, Volume 10B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing; Radial Turbomachinery Aerodynamics, V10BT35A009, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-82266
https://doi.org/10.1115/GT2022-82266
View Paper titled, Numerical Investigation on Radial Turbines Aerodynamics Aimed at the Definition of Design Rules for Industrial Applications
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Topics: Aerodynamics, Design, Turbines, Metals, Wheels, Geometry, Stiffness, Flow (Dynamics), Turbochargers, Computational fluid dynamics
Proceedings Papers

Impact of Operating Conditions on Rotor/Stator Interaction of a High-Pressure Ratio Centrifugal Compressor

Fabrizio Lottini, Andrea Agnolucci, Lorenzo Pinelli, Roberto Pacciani, Lorenzo Toni, Alberto Guglielmo, Angelo Grimaldi
Proc. ASME. GT2022, Volume 10B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing; Radial Turbomachinery Aerodynamics, V10BT35A007, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-82108
https://doi.org/10.1115/GT2022-82108
View Paper titled, Impact of Operating Conditions on Rotor/Stator Interaction of a High-Pressure Ratio Centrifugal Compressor
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Topics: Compressors, High pressure (Physics), Rotors, Stators, Design, Machinery, Acoustics, Chain, Computational fluid dynamics, Engineering simulation
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
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
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 Article 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, Flow (Dynamics), Pressure, Speed of sound, Temperature, Simulation, Two-phase flow, Equilibrium (Physics)
Proceedings Papers

Centrifugal Compressor Stage Efficiency and Rotor Stiffness Augmentation via Artificial Neural Networks

Andrea Agnolucci, Michele Marconcini, Andrea Arnone, Lorenzo Toni, Angelo Grimaldi, Marco Giachi
Proc. ASME. GT2021, Volume 2D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V02DT37A014, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-59998
https://doi.org/10.1115/GT2021-59998
View Paper titled, Centrifugal Compressor Stage Efficiency and Rotor Stiffness Augmentation via Artificial Neural Networks
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Topics: Artificial neural networks, Compressors, Rotors, Stiffness, Optimization, Impellers, Design, Diffusers, Reynolds-averaged Navier–Stokes equations
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
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 Article titled, Implications of Phase Change on the Aerodynamics of Centrifugal Compressors for Supercritical Carbon Dioxide Applications
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Topics: Compressors, Flow (Dynamics), Aerodynamics
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
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-14988
https://doi.org/10.1115/GT2020-14988
View Paper titled, Implications of Phase Change on the Aerodynamics of Centrifugal Compressors for Supercritical Carbon Dioxide Applications
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Topics: Aerodynamics, Carbon dioxide, Compressors, Supercritical carbon dioxide
Journal Articles

Effects of Impeller Squealer Tip on Centrifugal Compressor Performance

Riccardo Da Soghe, Cosimo Bianchini, Dante Tommaso Rubino, Lorenzo Toni
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. March 2017, 139(3): 032603.
Paper No: GTP-16-1284
https://doi.org/10.1115/1.4034541
Published Online: October 11, 2016
View Article titled, Effects of Impeller Squealer Tip on Centrifugal Compressor Performance
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Topics: Computational fluid dynamics, Design, Flow (Dynamics), Geometry, Impellers, Cavities, Compressors, Blades, Pressure, Entropy
Proceedings Papers

Effects of Impeller Squealer Tip on Centrifugal Compressor Performance

Riccardo Da Soghe, Cosimo Bianchini, Lorenzo Toni, Dante Tommaso Rubino
Proc. ASME. GT2016, Volume 2D: Turbomachinery, V02DT42A001, June 13–17, 2016
Publisher: American Society of Mechanical Engineers
Paper No: GT2016-56003
https://doi.org/10.1115/GT2016-56003
View Paper titled, Effects of Impeller Squealer Tip on Centrifugal Compressor Performance
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Topics: Compressors, Impellers, Computational fluid dynamics, Geometry, Cavities, Clearances (Engineering), Computation, Design, Experimental design, Flow (Dynamics)
Proceedings Papers

Development of Test Stand for Measuring Aerodynamic, Erosion, and Rotordynamic Performance of a Centrifugal Compressor Under Wet Gas Conditions

Matteo Bertoneri, Melissa Wilcox, Lorenzo Toni, Griffin Beck
Proc. ASME. GT2014, Volume 3B: Oil and Gas Applications; Organic Rankine Cycle Power Systems; Supercritical CO2 Power Cycles; Wind Energy, V03BT25A011, June 16–20, 2014
Publisher: American Society of Mechanical Engineers
Paper No: GT2014-25349
https://doi.org/10.1115/GT2014-25349
View Paper titled, Development of Test Stand for Measuring Aerodynamic, Erosion, and Rotordynamic Performance of a Centrifugal Compressor Under Wet Gas Conditions
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Topics: Compressors, Erosion, Compression, Flow (Dynamics), Instrumentation, Mach number, Multiphase flow, Petroleum industry, Stress, Suction
Proceedings Papers

Predictability of Rotating Stall and Surge in a Centrifugal Compressor Stage With Dynamic Simulations

Néstor González Díez, Jan P. M. Smeulers, Libero Tapinassi, Alberto Scotti Del Greco, Lorenzo Toni
Proc. ASME. GT2014, Volume 2D: Turbomachinery, V02DT44A032, June 16–20, 2014
Publisher: American Society of Mechanical Engineers
Paper No: GT2014-26712
https://doi.org/10.1115/GT2014-26712
View Paper titled, Predictability of Rotating Stall and Surge in a Centrifugal Compressor Stage With Dynamic Simulations
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Topics: Compressors, Engineering simulation, Simulation, Surges, Flow (Dynamics), Pressure, Cycles, Fluctuations (Physics), Simulation results, Stability