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Journal Articles

Validation of an Analytical Model for the Acoustic Impedance Eduction of Multicavity Resonant Liners by a High-Fidelity Large Eddy Simulation Approach

Simone Giaccherini, Lorenzo Pinelli, Michele Marconcini, Roberto Pacciani, Andrea Arnone
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. August 2023, 145(8): 081002.
Paper No: TURBO-22-1270
DOI: https://doi.org/10.1115/1.4056984
Published Online: April 3, 2023
View Article titled, Validation of an Analytical Model for the Acoustic Impedance Eduction of Multicavity Resonant Liners by a High-Fidelity Large Eddy Simulation Approach
Click here to open pdf in another window PDF for Validation of an Analytical Model for the Acoustic Impedance Eduction of Multicavity Resonant Liners by a High-Fidelity Large Eddy Simulation Approach
Topics: Acoustics, Cavities, Flow (Dynamics), Large eddy simulation, Resonance, Simulation, Excitation, Noise (Sound), Impedance (Electricity)
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
View Paper titled, Impact of Operating Conditions on Rotor/Stator Interaction of a High-Pressure Ratio Centrifugal Compressor
Click here to open pdf in another window PDF for Impact of Operating Conditions on Rotor/Stator Interaction of a High-Pressure Ratio Centrifugal Compressor
Topics: Compressors, High pressure (Physics), Rotors, Stators, Design, Machinery, Acoustics, Chain, Computational fluid dynamics, Engineering simulation
Proceedings Papers

Validation of an Analytical Model for the Acoustic Impedance Eduction of Multi-Cavity Resonant Liners by a High-Fidelity LES Approach

Simone Giaccherini, Lorenzo Pinelli, Michele Marconcini, Roberto Pacciani, Andrea Arnone
Proc. ASME. GT2022, Volume 10C: Turbomachinery — Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V10CT33A007, June 13–17, 2022
Paper No: GT2022-81984
DOI: https://doi.org/10.1115/GT2022-81984
View Paper titled, Validation of an Analytical Model for the Acoustic Impedance Eduction of Multi-Cavity Resonant Liners by a High-Fidelity LES Approach
Click here to open pdf in another window PDF for Validation of an Analytical Model for the Acoustic Impedance Eduction of Multi-Cavity Resonant Liners by a High-Fidelity LES Approach
Topics: Acoustics, Cavities, Resonance, Design, Emissions, Engineering simulation, Noise (Sound), Simulation, Absorption, Air traffic control
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
Paper No: GT2022-82594
DOI: https://doi.org/10.1115/GT2022-82594
View Paper titled, The Effects of Swirling Flows in Entropy Wave Convection Through High Pressure Turbine Stage
Click here to open pdf in another window PDF for The Effects of Swirling Flows in Entropy Wave Convection Through High Pressure Turbine Stage
Topics: Convection, Entropy, High pressure (Physics), Swirling flow, Turbines, Waves, Combustion chambers, Computer simulation, Flow (Dynamics), Fluctuations (Physics)
Proceedings Papers

Numerical Investigation of Potential Flow Induced Vibrations of Steam Turbine Last Stage Rotor at Low Load Operation – Part 1: Sensitivity to Flutter Occurrence

Lorenzo Pinelli, Filippo Mariotti, Andrea Arnone, Michele Marconcini, Lorenzo Arcangeli, Lorenzo Ciuchicchi, Nicola Maceli
Proc. ASME. GT2022, Volume 2: Coal, Biomass, Hydrogen, and Alternative Fuels; Controls, Diagnostics, and Instrumentation; Steam Turbine, V002T20A013, June 13–17, 2022
Paper No: GT2022-82405
DOI: https://doi.org/10.1115/GT2022-82405
View Paper titled, Numerical Investigation of Potential Flow Induced Vibrations of Steam Turbine Last Stage Rotor at Low Load Operation – Part 1: Sensitivity to Flutter Occurrence
Click here to open pdf in another window PDF for Numerical Investigation of Potential Flow Induced Vibrations of Steam Turbine Last Stage Rotor at Low Load Operation – Part 1: Sensitivity to Flutter Occurrence
Topics: Blades, Flow (Dynamics), Flutter (Aerodynamics), Rotors, Steam turbines, Stress, Vibration
Proceedings Papers

Fast and Integrated Tools for Forced Response Prediction: An Application to a Transonic Compressor Rotor Blisk

Lorenzo Pinelli, Alberto Bandini, Michele Marconcini, Andrea Amedei, Enrico Meli, Andrea Rindi
Proc. ASME. GT2022, Volume 8A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics; Emerging Methods in Engineering Design, Analysis, and Additive Manufacturing; Fatigue, Fracture, and Life Prediction, V08AT21A012, June 13–17, 2022
Paper No: GT2022-81975
DOI: https://doi.org/10.1115/GT2022-81975
View Paper titled, Fast and Integrated Tools for Forced Response Prediction: An Application to a Transonic Compressor Rotor Blisk
Click here to open pdf in another window PDF for Fast and Integrated Tools for Forced Response Prediction: An Application to a Transonic Compressor Rotor Blisk
Topics: Compressors, Rotors, Blades, Computational fluid dynamics, Design, Finite element methods, Finite element model, Mode shapes, Chain, Diluents
Journal Articles

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

Lorenzo Pinelli, Michele Marconcini, Roberto Pacciani, Andrea Notaristefano, Paolo Gaetani
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. March 2023, 145(3): 031004.
Paper No: TURBO-22-1236
DOI: https://doi.org/10.1115/1.4055613
Published Online: October 17, 2022
View Article titled, The Effects of Swirling Flows in Entropy Wave Convection Through High-Pressure Turbine Stage
Click here to open pdf in another window PDF for The Effects of Swirling Flows in Entropy Wave Convection Through High-Pressure Turbine Stage
Topics: Entropy, Flow (Dynamics), Stators, Swirling flow, Temperature, Turbines, Waves, Rotors, Noise (Sound), Blades
Journal Articles

Innovative Design, Structural Optimization, and Additive Manufacturing of New-Generation Turbine Blades

Lorenzo Pinelli, Andrea Amedei, Enrico Meli, Federico Vanti, Benedetta Romani, Gianluigi Benvenuti, Marco Fabbrini, Nicolò Morganti, Andrea Rindi, Andrea Arnone
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. January 2022, 144(1): 011006.
Paper No: TURBO-20-1302
DOI: https://doi.org/10.1115/1.4051936
Published Online: September 7, 2021
View Article titled, Innovative Design, Structural Optimization, and Additive Manufacturing of New-Generation Turbine Blades
Click here to open pdf in another window PDF for Innovative Design, Structural Optimization, and Additive Manufacturing of New-Generation Turbine Blades
Topics: Additive manufacturing, Blades, Computational fluid dynamics, Damping, Design, Finite element methods, Finite element model, Geometry, Optimization, Rotors
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
Journal: Journal of Turbomachinery
Article Type: Research Papers
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
View Article titled, Computational and Experimental Study of the Unsteady Convection of Entropy Waves Within a High-Pressure Turbine Stage
Click here to open pdf in another window PDF for Computational and Experimental Study of the Unsteady Convection of Entropy Waves Within a High-Pressure Turbine Stage
Topics: Blades, Entropy, Flow (Dynamics), Rotors, Stators, Temperature, Turbines, Waves, Fluctuations (Physics), Pressure
Proceedings Papers

Innovative Design, Structural Optimization and Additive Manufacturing of New-Generation Turbine Blades

Andrea Amedei, Enrico Meli, Andrea Rindi, Benedetta Romani, Lorenzo Pinelli, Federico Vanti, Andrea Arnone, Gianluigi Benvenuti, Marco Fabbrini, Nicolò Morganti
Proc. ASME. GT2020, Volume 2C: Turbomachinery, V02CT35A004, September 21–25, 2020
Paper No: GT2020-14418
DOI: https://doi.org/10.1115/GT2020-14418
View Paper titled, Innovative Design, Structural Optimization and Additive Manufacturing of New-Generation Turbine Blades
Click here to open pdf in another window PDF for Innovative Design, Structural Optimization and Additive Manufacturing of New-Generation Turbine Blades
Topics: Additive manufacturing, Design, Fluid structure interaction, Structural optimization, Topology, Turbine blades
Proceedings Papers

Aeromechanical Characterization of a Last Stage Steam Blade at Low Load Operation: Part 2 — Computational Modelling and Comparison

Lorenzo Pinelli, Federico Vanti, Lorenzo Peruzzi, Andrea Arnone, Andrea Bessone, Claudio Bettini, Roberto Guida, Michela Marré Brunenghi, Vaclav Slama
Proc. ASME. GT2020, Volume 10A: Structures and Dynamics, V10AT24A017, September 21–25, 2020
Paper No: GT2020-15409
DOI: https://doi.org/10.1115/GT2020-15409
View Paper titled, Aeromechanical Characterization of a Last Stage Steam Blade at Low Load Operation: Part 2 — Computational Modelling and Comparison
Click here to open pdf in another window PDF for Aeromechanical Characterization of a Last Stage Steam Blade at Low Load Operation: Part 2 — Computational Modelling and Comparison
Topics: Blades, Modeling, Steam, Stress, Damping, Computational fluid dynamics, Flutter (Aerodynamics), Pressure, Steam turbines, Simulation
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
View Paper titled, Computational and Experimental Study of the Unsteady Convection of Entropy Waves Within a High Pressure Turbine Stage
Click here to open pdf in another window PDF for Computational and Experimental Study of the Unsteady Convection of Entropy Waves Within a High Pressure Turbine Stage
Topics: Convection, Entropy, High pressure (Physics), Turbines, Waves, Computational fluid dynamics, Engineering simulation, Simulation, Temperature, Fluctuations (Physics)
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
Journal: Journal of Turbomachinery
Article Type: Research Papers
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
View Article titled, Computational and Experimental Study of Hot Streak Transport Within the First Stage of a Gas Turbine
Click here to open pdf in another window PDF for Computational and Experimental Study of Hot Streak Transport Within the First Stage of a Gas Turbine
Topics: Blades, Flow (Dynamics), Gas turbines, Rotors, Stators, Temperature, Turbines, Pressure, Computational fluid dynamics, Simulation
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
View Paper titled, Computational and Experimental Study of Hot Streak Transport Within the First Stage of a Gas Turbine
Click here to open pdf in another window PDF for Computational and Experimental Study of Hot Streak Transport Within the First Stage of a Gas Turbine
Topics: Gas turbines, Blades, Computational fluid dynamics, Engineering simulation, Flow (Dynamics), Simulation, Temperature, Rotors, Stators, Turbines
Proceedings Papers

Influence of Tip Shroud Modeling on the Flutter Stability of a Low Pressure Turbine Rotor

Lorenzo Pinelli, Federico Vanti, Andrea Arnone, Benjamin Beßling, Damian M. Vogt
Proc. ASME. GT2019, Volume 7A: Structures and Dynamics, V07AT36A012, June 17–21, 2019
Paper No: GT2019-91204
DOI: https://doi.org/10.1115/GT2019-91204
View Paper titled, Influence of Tip Shroud Modeling on the Flutter Stability of a Low Pressure Turbine Rotor
Click here to open pdf in another window PDF for Influence of Tip Shroud Modeling on the Flutter Stability of a Low Pressure Turbine Rotor
Topics: Flutter (Aerodynamics), Modeling, Pressure, Rotors, Stability, Turbines, Blades, Finite element methods, Finite element model, Computational fluid dynamics
Proceedings Papers

Aeroelastic Optimization of an Industrial Compressor Rotor Blade Geometry

Federico Vanti, Lorenzo Pinelli, Andrea Arnone, Andrea Schneider, Pio Astrua, Enrico Puppo
Proc. ASME. GT2018, Volume 2D: Turbomachinery, V02DT46A016, June 11–15, 2018
Paper No: GT2018-76474
DOI: https://doi.org/10.1115/GT2018-76474
View Paper titled, Aeroelastic Optimization of an Industrial Compressor Rotor Blade Geometry
Click here to open pdf in another window PDF for Aeroelastic Optimization of an Industrial Compressor Rotor Blade Geometry
Topics: Blades, Compressors, Geometry, Optimization, Rotors, Flutter (Aerodynamics), Artificial neural networks, Algorithms, Computational fluid dynamics, Databases
Proceedings Papers

Towards Structural Topology Optimization of Rotor Blisks

Enrico Boccini, Enrico Meli, Andrea Rindi, Lorenzo Pinelli, Lorenzo Peruzzi, Andrea Arnone
Proc. ASME. GT2018, Volume 7A: Structures and Dynamics, V07AT30A008, June 11–15, 2018
Paper No: GT2018-76482
DOI: https://doi.org/10.1115/GT2018-76482
View Paper titled, Towards Structural Topology Optimization of Rotor Blisks
Click here to open pdf in another window PDF for Towards Structural Topology Optimization of Rotor Blisks
Topics: Optimization, Rotors, Topology, Stators, Blades, Design, Geometry, Stress, Turbomachinery, Additive manufacturing
Proceedings Papers

Numerical Aerodynamic Damping Evaluation of High-Pressure Steam Turbine Blades for Aeromechanical Characterization

Lorenzo Peruzzi, Juri Bellucci, Lorenzo Pinelli, Andrea Arnone, Lorenzo Arcangeli, Lorenzo Cosi, Marco Mazzucco
Proc. ASME. GT2016, Volume 8: Microturbines, Turbochargers and Small Turbomachines; Steam Turbines, V008T26A012, June 13–17, 2016
Paper No: GT2016-56378
DOI: https://doi.org/10.1115/GT2016-56378
View Paper titled, Numerical Aerodynamic Damping Evaluation of High-Pressure Steam Turbine Blades for Aeromechanical Characterization
Click here to open pdf in another window PDF for Numerical Aerodynamic Damping Evaluation of High-Pressure Steam Turbine Blades for Aeromechanical Characterization
Topics: Blades, Damping, High pressure (Physics), Steam turbines, Flutter (Aerodynamics), Stability, Design, Geometry, Shapes
Proceedings Papers

On the Numerical Evaluation of Tone Noise Emissions Generated by a Turbine Stage: An In-Depth Comparison Among Different Computational Methods

Lorenzo Pinelli, Francesco Poli, Andrea Arnone, Sébastien Guérin, Axel Holewa, José Ramón Fernández Aparicio, Ricardo Puente, Davide Torzo, Christophe Favre, Paolo Gaetani, Giacomo Persico
Proc. ASME. GT2015, Volume 2B: Turbomachinery, V02BT41A002, June 15–19, 2015
Paper No: GT2015-42376
DOI: https://doi.org/10.1115/GT2015-42376
View Paper titled, On the Numerical Evaluation of Tone Noise Emissions Generated by a Turbine Stage: An In-Depth Comparison Among Different Computational Methods
Click here to open pdf in another window PDF for On the Numerical Evaluation of Tone Noise Emissions Generated by a Turbine Stage: An In-Depth Comparison Among Different Computational Methods
Topics: Computational methods, Emissions, Noise (Sound), Turbines, Acoustics, Waves, Engineering simulation, Simulation, Blades, Boundary-value problems
Proceedings Papers

Validation of a 3D Linearized Method for Turbomachinery Tone Noise Analysis

Lorenzo Pinelli, Francesco Poli, Michele Marconcini, Andrea Arnone, Ennio Spano, Davide Torzo
Proc. ASME. GT2011, Volume 7: Turbomachinery, Parts A, B, and C, 1033-1042, June 6–10, 2011
Paper No: GT2011-45886
DOI: https://doi.org/10.1115/GT2011-45886
View Paper titled, Validation of a 3D Linearized Method for Turbomachinery Tone Noise Analysis
Click here to open pdf in another window PDF for Validation of a 3D Linearized Method for Turbomachinery Tone Noise Analysis
Topics: Noise (Sound), Turbomachinery, Acoustics, Turbines, Pressure, Accounting, Blades, Boundary-value problems, Deflection, Emissions