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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

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Topics: Blades, Flow (Dynamics), Flutter (Aerodynamics), Rotors, Steam turbines, Stress, Vibration

Proceedings Papers

CFD Analysis of the Forces on a Steam Turbine Balance Seal Packing Ring

Cosimo Bianchini, Riccardo Da Soghe, Davide Bertini, Lorenzo Mazzei, Lorenzo Arcangeli, Lorenzo Cosi

Proc. ASME. GT2022, Volume 2: Coal, Biomass, Hydrogen, and Alternative Fuels; Controls, Diagnostics, and Instrumentation; Steam Turbine, V002T20A014, June 13–17, 2022

Paper No: GT2022-82896

DOI: https://doi.org/10.1115/GT2022-82896

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Topics: Computational fluid dynamics, Packings (Cushioning), Steam turbines

Journal Articles

Nonlinear Vibration Analysis of Turbine Bladed Disks With Midspan Dampers

Erhan Ferhatoglu, Stefano Zucca, Daniele Botto, Jury Auciello, Lorenzo Arcangeli

J. Eng. Gas Turbines Power. April 2022, 144(4): 041021.

Paper No: GTP-21-1567

DOI: https://doi.org/10.1115/1.4053107

Published Online: February 21, 2022

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Topics: Blades, Dampers, Disks, Friction, Stress, Resonance, Nonlinear vibration, Turbines, Vibration

Proceedings Papers

Development of a Design Approach for the Optimization of Steam Turbine Exhaust System Performance Through CFD Modelling

Tommaso Diurno, Stella Grazia Tomasello, Tommaso Fondelli, Antonio Andreini, Bruno Facchini, Leonardo Nettis, Lorenzo Arcangeli

Proc. ASME. GT2021, Volume 8: Oil and Gas Applications; Steam Turbine, V008T22A013, June 7–11, 2021

Paper No: GT2021-59268

DOI: https://doi.org/10.1115/GT2021-59268

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Topics: Computational fluid dynamics, Design, Exhaust systems, Modeling, Optimization, Steam turbines, Geometry, Diffusers, Engineering simulation, Flow (Dynamics)

Proceedings Papers

Two Phase Flow CFD Modeling of a Steam Turbine Low Pressure Section: Comparison With Data and Correlations

Nicola Maceli, Lorenzo Arcangeli, Andrea Arnone

Proc. ASME. GT2021, Volume 8: Oil and Gas Applications; Steam Turbine, V008T22A016, June 7–11, 2021

Paper No: GT2021-59645

DOI: https://doi.org/10.1115/GT2021-59645

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Topics: Computational fluid dynamics, Modeling, Pressure, Steam turbines, Two-phase flow

Proceedings Papers

Numerical Investigation on the Aerodynamic Performance of a Low-Pressure Steam Turbine Exhaust Hood Using DOE Analysis

Tommaso Diurno, Tommaso Fondelli, Leonardo Nettis, Nicola Maceli, Lorenzo Arcangeli, Antonio Andreini, Bruno Facchini

Proc. ASME. GT2020, Volume 9: Oil and Gas Applications; Organic Rankine Cycle Power Systems; Steam Turbine, V009T23A023, September 21–25, 2020

Paper No: GT2020-15993

DOI: https://doi.org/10.1115/GT2020-15993

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Topics: Exhaust systems, Pressure, Steam turbines, Flow (Dynamics), Turbines, Design, Diffusers, Rotors, Simulation, Computational fluid dynamics

Proceedings Papers

Two Phase Flow CFD Modeling to Enhance Steam Turbines LP Stages Performance Predictability: Comparison With Data and Correlations

Nicola Maceli, Lorenzo Arcangeli, Andrea Arnone

Proc. ASME. GT2020, Volume 9: Oil and Gas Applications; Organic Rankine Cycle Power Systems; Steam Turbine, V009T23A029, September 21–25, 2020

Paper No: GT2020-16312

DOI: https://doi.org/10.1115/GT2020-16312

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Topics: Computational fluid dynamics, Modeling, Steam turbines, Two-phase flow

Proceedings Papers

Nonlinear Vibration Analysis of Turbine Bladed Disks With Mid-Span Dampers

Erhan Ferhatoglu, Stefano Zucca, Daniele Botto, Jury Auciello, Lorenzo Arcangeli

Proc. ASME. GT2020, Volume 11: Structures and Dynamics: Structural Mechanics, Vibration, and Damping; Supercritical CO2, V011T30A020, September 21–25, 2020

Paper No: GT2020-14942

DOI: https://doi.org/10.1115/GT2020-14942

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Topics: Dampers, Disks, Friction, Nonlinear vibration, Turbines, Vibration, Design, Blades, Damping, Airfoils

Journal Articles

Numerical Investigation on the Aerodynamic Performance of a Low-Pressure Steam Turbine Exhaust Hood Using Design of Experiment Analysis

Tommaso Diurno, Tommaso Fondelli, Leonardo Nettis, Nicola Maceli, Lorenzo Arcangeli, Antonio Andreini, Bruno Facchini

J. Eng. Gas Turbines Power. November 2020, 142(11): 111006.

Paper No: GTP-20-1450

DOI: https://doi.org/10.1115/1.4048567

Published Online: October 20, 2020

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Topics: Diffusers, Exhaust systems, Flow (Dynamics), Geometry, Pressure, Rotors, Experimental design

Proceedings Papers

Numerical and Experimental Aerodynamic Investigation of a Low Pressure Steam Turbine Module

Juri Bellucci, Lorenzo Peruzzi, Andrea Arnone, Lorenzo Arcangeli, Nicola Maceli

Proc. ASME. GT2019, Volume 8: Microturbines, Turbochargers, and Small Turbomachines; Steam Turbines, V008T29A024, June 17–21, 2019

Paper No: GT2019-91279

DOI: https://doi.org/10.1115/GT2019-91279

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Topics: Pressure, Steam turbines, Steam, Boundary-value problems, Computation, Computational fluid dynamics, Engineering simulation, Equilibrium (Physics), Flow (Dynamics), Geometry

Proceedings Papers

Experimental and Numerical Investigation of the Performance Impact of a Heavily Off-Design Inlet Swirl Angle in a Steam Turbine Stage

Berardo Paradiso, Giacomo Gatti, Alessandro Mora, Vincenzo Dossena, Lorenzo Arcangeli, Nicola Maceli, Juri Bellucci

Proc. ASME. GT2017, Volume 8: Microturbines, Turbochargers and Small Turbomachines; Steam Turbines, V008T29A031, June 26–30, 2017

Paper No: GT2017-64561

DOI: https://doi.org/10.1115/GT2017-64561

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Topics: Design, Steam turbines, Machinery, Blades, Computer simulation, Flanges, Probes, Boundary-value problems, Computational fluid dynamics, Entropy

Journal Articles

Numerical and Experimental Investigation of Axial Gap Variation in High-Pressure Steam Turbine Stages

Juri Bellucci, Filippo Rubechini, Andrea Arnone, Lorenzo Arcangeli, Nicola Maceli, Berardo Paradiso, Giacomo Gatti

J. Eng. Gas Turbines Power. May 2017, 139(5): 052603.

Paper No: GTP-16-1390

DOI: https://doi.org/10.1115/1.4035158

Published Online: January 4, 2017

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Topics: Blades, Flow (Dynamics), Pressure, Rotors, Turbines, Steam turbines, High pressure (Physics), Stators, Computational fluid dynamics

Journal Articles

An Experimental Study of the Aerodynamic Forcing Function in a 1.5 Steam Turbine Stage

Giacomo Gatti, Paolo Gaetani, Berardo Paradiso, Vincenzo Dossena, Juri Bellucci, Lorenzo Arcangeli, Nicola Maceli

J. Eng. Gas Turbines Power. May 2017, 139(5): 052503.

Paper No: GTP-16-1355

DOI: https://doi.org/10.1115/1.4034967

Published Online: December 1, 2016

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Topics: Blades, Flow (Dynamics), Pressure, Rotors, Stators, Turbines, Steam turbines

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

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Topics: Blades, Damping, High pressure (Physics), Steam turbines, Flutter (Aerodynamics), Stability, Design, Geometry, Shapes

Proceedings Papers

An Experimental Study of the Aerodynamic Forcing Function in a 1.5 Steam Turbine Stage

Giacomo Gatti, Paolo Gaetani, Berardo Paradiso, Vincenzo Dossena, Lorenzo Arcangeli, Nicola Maceli, Juri Bellucci

Proc. ASME. GT2016, Volume 8: Microturbines, Turbochargers and Small Turbomachines; Steam Turbines, V008T26A020, June 13–17, 2016

Paper No: GT2016-56939

DOI: https://doi.org/10.1115/GT2016-56939

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Topics: Algorithms, Blades, Computation, Engineering simulation, Flow (Dynamics), Pressure, Pressure measurement, Probes, Rotors, Sensors

Proceedings Papers

Numerical and Experimental Investigation of Axial Gap Variation in High Pressure Steam Turbine Stages

Juri Bellucci, Filippo Rubechini, Andrea Arnone, Lorenzo Arcangeli, Nicola Maceli, Berardo Paradiso, Giacomo Gatti

Proc. ASME. GT2016, Volume 8: Microturbines, Turbochargers and Small Turbomachines; Steam Turbines, V008T26A015, June 13–17, 2016

Paper No: GT2016-56547

DOI: https://doi.org/10.1115/GT2016-56547

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Topics: High pressure (Physics), Steam turbines, Flow (Dynamics), Blades, Chords (Trusses), Rotors, Boundary-value problems, Engineering simulation, Numerical analysis, Pressure

Proceedings Papers

Flow Evolution in a One and a Half Axial Steam Turbine Stage Under Different Operating Conditions

Berardo Paradiso, Alessandro Mora, Vincenzo Dossena, Giacomo Gatti, Andrea Nesti, Lorenzo Arcangeli, Nicola Maceli

Proc. ASME. GT2015, Volume 2A: Turbomachinery, V02AT38A029, June 15–19, 2015

Paper No: GT2015-43201

DOI: https://doi.org/10.1115/GT2015-43201

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Topics: Flow (Dynamics), Steam turbines, Probes, Rotors, Stators, Inlet guide vanes, Pressure, Computational fluid dynamics, Design, Experimental methods

Proceedings Papers

The Influence of Roughness on a High-Pressure Steam Turbine Stage: An Experimental and Numerical Study

Juri Bellucci, Filippo Rubechini, Michele Marconcini, Andrea Arnone, Lorenzo Arcangeli, Nicola Maceli, Vincenzo Dossena

Proc. ASME. GT2014, Volume 1B: Marine; Microturbines, Turbochargers and Small Turbomachines; Steam Turbines, V01BT27A015, June 16–20, 2014

Paper No: GT2014-25540

DOI: https://doi.org/10.1115/GT2014-25540

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Topics: High pressure (Physics), Steam turbines, Surface roughness, Blades, Cascades (Fluid dynamics), Computation, Computational fluid dynamics, Reliability, Reynolds number, Rotors

Journal Articles

The Influence of Roughness on a High-Pressure Steam Turbine Stage: An Experimental and Numerical Study

Juri Bellucci, Filippo Rubechini, Michele Marconcini, Andrea Arnone, Lorenzo Arcangeli, Nicola Maceli, Vincenzo Dossena

J. Eng. Gas Turbines Power. January 2015, 137(1): 012602.

Paper No: GTP-14-1228

DOI: https://doi.org/10.1115/1.4028205

Published Online: August 26, 2014

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Topics: Blades, Cascades (Fluid dynamics), Reynolds number, Surface roughness, Flow (Dynamics), Turbulence, Steam turbines, Computational fluid dynamics, Computation, High pressure (Physics)

Proceedings Papers

Using CFD to Enhance the Preliminary Design of High-Pressure Steam Turbines

Juri Bellucci, Federica Sazzini, Filippo Rubechini, Andrea Arnone, Lorenzo Arcangeli, Nicola Maceli

Proc. ASME. GT2013, Volume 5B: Oil and Gas Applications; Steam Turbines, V05BT25A004, June 3–7, 2013

Paper No: GT2013-94071

DOI: https://doi.org/10.1115/GT2013-94071

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Topics: Computational fluid dynamics, Design, High pressure (Physics), Steam turbines, Flow (Dynamics), Blades, Computation, Clearances (Engineering), Enthalpy, Machinery

Journal citation

NARROW

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

CFD Analysis of the Forces on a Steam Turbine Balance Seal Packing Ring

Nonlinear Vibration Analysis of Turbine Bladed Disks With Midspan Dampers

Development of a Design Approach for the Optimization of Steam Turbine Exhaust System Performance Through CFD Modelling

Two Phase Flow CFD Modeling of a Steam Turbine Low Pressure Section: Comparison With Data and Correlations

Numerical Investigation on the Aerodynamic Performance of a Low-Pressure Steam Turbine Exhaust Hood Using DOE Analysis

Two Phase Flow CFD Modeling to Enhance Steam Turbines LP Stages Performance Predictability: Comparison With Data and Correlations

Nonlinear Vibration Analysis of Turbine Bladed Disks With Mid-Span Dampers

Numerical Investigation on the Aerodynamic Performance of a Low-Pressure Steam Turbine Exhaust Hood Using Design of Experiment Analysis

Numerical and Experimental Aerodynamic Investigation of a Low Pressure Steam Turbine Module

Experimental and Numerical Investigation of the Performance Impact of a Heavily Off-Design Inlet Swirl Angle in a Steam Turbine Stage

Numerical and Experimental Investigation of Axial Gap Variation in High-Pressure Steam Turbine Stages

An Experimental Study of the Aerodynamic Forcing Function in a 1.5 Steam Turbine Stage

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

An Experimental Study of the Aerodynamic Forcing Function in a 1.5 Steam Turbine Stage

Numerical and Experimental Investigation of Axial Gap Variation in High Pressure Steam Turbine Stages

Flow Evolution in a One and a Half Axial Steam Turbine Stage Under Different Operating Conditions

The Influence of Roughness on a High-Pressure Steam Turbine Stage: An Experimental and Numerical Study

The Influence of Roughness on a High-Pressure Steam Turbine Stage: An Experimental and Numerical Study

Using CFD to Enhance the Preliminary Design of High-Pressure Steam Turbines

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