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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

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

Paper No: GT2022-82266

DOI: https://doi.org/10.1115/GT2022-82266

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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

Paper No: GT2022-82108

DOI: https://doi.org/10.1115/GT2022-82108

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Topics: Compressors, High pressure (Physics), Rotors, Stators, Design, Machinery, Acoustics, Chain, Computational fluid dynamics, Engineering simulation

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

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

Paper No: GT2021-59998

DOI: https://doi.org/10.1115/GT2021-59998

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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

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

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

Journal Articles

Effects of Impeller Squealer Tip on Centrifugal Compressor Performance

Riccardo Da Soghe, Cosimo Bianchini, Dante Tommaso Rubino, Lorenzo Toni

J. Eng. Gas Turbines Power. March 2017, 139(3): 032603.

Paper No: GTP-16-1284

DOI: https://doi.org/10.1115/1.4034541

Published Online: October 11, 2016

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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

Paper No: GT2016-56003

DOI: https://doi.org/10.1115/GT2016-56003

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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

Paper No: GT2014-25349

DOI: https://doi.org/10.1115/GT2014-25349

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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

Paper No: GT2014-26712

DOI: https://doi.org/10.1115/GT2014-26712

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Topics: Compressors, Engineering simulation, Simulation, Surges, Flow (Dynamics), Pressure, Cycles, Fluctuations (Physics), Simulation results, Stability

Proceedings Papers

Influence of Cavity Flows Modeling on Centrifugal Compressor Stages Performance Prediction Across Different Flow Coefficient Impellers

Emanuele Guidotti, Lorenzo Toni, Dante Tommaso Rubino, Libero Tapinassi, Giovanni Naldi, V. V. N. K. Satish Koyyalamudi, Sridhar Prasad

Proc. ASME. GT2014, Volume 2D: Turbomachinery, V02DT42A018, June 16–20, 2014

Paper No: GT2014-25830

DOI: https://doi.org/10.1115/GT2014-25830

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Topics: Cavity flows, Compressors, Flow (Dynamics), Impellers, Modeling, Computational fluid dynamics, Blades, Cavities, Computer simulation, Design

Proceedings Papers

Effects due to the Temperature Measurement Section on the Performance Estimation of a Centrifugal Compressor Stage

Alessandro Bianchini, Giovanni Ferrara, Lorenzo Ferrari, Valeria Ballarini, Lorenzo Bianchi, Libero Tapinassi, Lorenzo Toni

Proc. ASME. GT2011, Volume 3: Controls, Diagnostics and Instrumentation; Education; Electric Power; Microturbines and Small Turbomachinery; Solar Brayton and Rankine Cycle, 409-418, June 6–10, 2011

Paper No: GT2011-46509

DOI: https://doi.org/10.1115/GT2011-46509

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Topics: Compressors, Temperature measurement, Impellers, Heat, Temperature, Computer simulation, Flow (Dynamics), Inertia (Mechanics), Machinery, Temperature sensors

Proceedings Papers

Experimental and Numerical Analysis of the Flow Field in the Impeller of a Centrifugal Compressor Stage at Design Point

Emanuele Guidotti, Libero Tapinassi, Lorenzo Toni, Lorenzo Bianchi, Paolo Gaetani, Giacomo Persico

Proc. ASME. GT2011, Volume 7: Turbomachinery, Parts A, B, and C, 1845-1856, June 6–10, 2011

Paper No: GT2011-45036

DOI: https://doi.org/10.1115/GT2011-45036

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Topics: Compressors, Design, Flow (Dynamics), Impellers, Numerical analysis, Computational fluid dynamics, Pressure, Cavities, Probes, Approximation

Journal Articles

Effects Due to the Temperature Measurement Section on the Performance Estimation of a Centrifugal Compressor Stage

Alessandro Bianchini, Giovanni Ferrara, Lorenzo Ferrari, Valeria Ballarini, Lorenzo Bianchi, Libero Tapinassi, Lorenzo Toni

J. Eng. Gas Turbines Power. March 2012, 134(3): 032402.

DOI: https://doi.org/10.1115/1.4004722

Published Online: January 9, 2012

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Topics: Compressors, Errors, Flow (Dynamics), Heat, Impellers, Temperature, Temperature measurement, Thermocouples, Sensors, Probes

Journal Articles

Adiabatic and Overall Effectiveness Measurements of an Effusion Cooling Array for Turbine Endwall Application

Bruno Facchini, Lorenzo Tarchi, Lorenzo Toni, Alberto Ceccherini

J. Turbomach. October 2010, 132(4): 041008.

DOI: https://doi.org/10.1115/1.3213555

Published Online: April 29, 2010

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Topics: Cooling, Flow (Dynamics), Mach number, Turbines, Turbulence, Temperature, Coolants, Finite element methods, Geometry, Anisotropy

Proceedings Papers

Investigation of Circular and Shaped Effusion Cooling Arrays for Combustor Liner Application—Part 1: Experimental Analysis

Bruno Facchini, Lorenzo Tarchi, Lorenzo Toni, Giuseppe Cinque, Salvatore Colantuoni

Proc. ASME. GT2009, Volume 3: Heat Transfer, Parts A and B, 1409-1418, June 8–12, 2009

Paper No: GT2009-60037

DOI: https://doi.org/10.1115/GT2009-60037

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Topics: Combustion chambers, Cooling, Experimental analysis, Coolants, Heat, Plates (structures), Convection, Drilling, Electrical conductivity, Finite element methods

Proceedings Papers

Combined Effect of Slot Injection, Effusion Array and Dilution Hole on the Cooling Performance of a Real Combustor Liner

Alberto Ceccherini, Bruno Facchini, Lorenzo Tarchi, Lorenzo Toni, Daniele Coutandin

Proc. ASME. GT2009, Volume 3: Heat Transfer, Parts A and B, 1431-1440, June 8–12, 2009

Paper No: GT2009-60047

DOI: https://doi.org/10.1115/GT2009-60047

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Topics: Combustion chambers, Cooling, Coolants, Computational fluid dynamics, Engines, Flow (Dynamics), Annulus, Cross-flow, Ducts, Experimental analysis

Journal citation

NARROW

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

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

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

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

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

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

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

Effects of Impeller Squealer Tip on Centrifugal Compressor Performance

Effects of Impeller Squealer Tip on Centrifugal Compressor Performance

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

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

Influence of Cavity Flows Modeling on Centrifugal Compressor Stages Performance Prediction Across Different Flow Coefficient Impellers

Effects due to the Temperature Measurement Section on the Performance Estimation of a Centrifugal Compressor Stage

Experimental and Numerical Analysis of the Flow Field in the Impeller of a Centrifugal Compressor Stage at Design Point

Effects Due to the Temperature Measurement Section on the Performance Estimation of a Centrifugal Compressor Stage

Adiabatic and Overall Effectiveness Measurements of an Effusion Cooling Array for Turbine Endwall Application

Investigation of Circular and Shaped Effusion Cooling Arrays for Combustor Liner Application—Part 1: Experimental Analysis

Combined Effect of Slot Injection, Effusion Array and Dilution Hole on the Cooling Performance of a Real Combustor Liner

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