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Journal Articles

Analysis of the Loss Production Mechanism Due to Cavity–Main Flow Interaction in a Low-Pressure Turbine Stage

Dario Barsi, Davide Lengani, Daniele Simoni, Giulio Venturino, Francesco Bertini, Matteo Giovannini, Filippo Rubechini

J. Turbomach. September 2022, 144(9): 091004.

Paper No: TURBO-22-1013

DOI: https://doi.org/10.1115/1.4053745

Published Online: March 4, 2022

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Topics: Cavities, Flow (Dynamics), Pressure, Turbines, Cavity flows

Proceedings Papers

A State-of-the-Art CFD Setup for Axial Compressors: Details and Validation

Lorenzo Cozzi, Filippo Rubechini, Andrea Arnone, Savino Depalo, Pio Astrua, Andrea Schneider, Marcello Benvenuto

Proc. ASME. GT2020, Volume 2C: Turbomachinery, V02CT35A009, September 21–25, 2020

Paper No: GT2020-14507

DOI: https://doi.org/10.1115/GT2020-14507

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Topics: Compressors, Computational fluid dynamics, Modeling, Turbomachinery, Flow (Dynamics), Gas turbines, Surges, Boundary-value problems, Clearances (Engineering), Combustion

Journal Articles

Improving Steady Computational Fluid Dynamics to Capture the Effects of Radial Mixing in Axial Compressors

Lorenzo Cozzi, Filippo Rubechini, Andrea Arnone, Andrea Schneider, Pio Astrua

J. Turbomach. September 2020, 142(9): 091005.

Paper No: TURBO-19-1196

DOI: https://doi.org/10.1115/1.4047394

Published Online: August 21, 2020

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Topics: Compressors, Flow (Dynamics), Simulation, Calibration, Reynolds-averaged Navier–Stokes equations, Computational fluid dynamics, Steady state, Blades, Clearances (Engineering), Design

Proceedings Papers

Reducing Secondary Flow Losses in Low-Pressure Turbines With Blade Fences: Part I — Design in an Engine-Like Environment

Filippo Rubechini, Matteo Giovannini, Andrea Arnone, Daniele Simoni, Francesco Bertini

Proc. ASME. GT2019, Volume 2B: Turbomachinery, V02BT40A020, June 17–21, 2019

Paper No: GT2019-91280

DOI: https://doi.org/10.1115/GT2019-91280

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Topics: Blades, Design, Engines, Flow (Dynamics), Pressure, Turbines, Artificial neural networks, Geometry, Stators, Aerodynamics

Proceedings Papers

Reducing Secondary Flow Losses in Low-Pressure Turbines With Blade Fences: Part II — Experimental Validation on Linear Cascades

Matteo Giovannini, Filippo Rubechini, Giorgio Amato, Andrea Arnone, Daniele Simoni, Vianney Yepmo, Francesca Satta, Francesco Bertini

Proc. ASME. GT2019, Volume 2B: Turbomachinery, V02BT40A021, June 17–21, 2019

Paper No: GT2019-91284

DOI: https://doi.org/10.1115/GT2019-91284

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Topics: Blades, Flow (Dynamics), Pressure, Turbines, Stators, Cascades (Fluid dynamics), Computational fluid dynamics, Engines, Aerodynamics, Design

Proceedings Papers

Improving Steady CFD to Capture the Effects of Radial Mixing in Axial Compressors

Lorenzo Cozzi, Filippo Rubechini, Andrea Arnone, Andrea Schneider, Pio Astrua

Proc. ASME. GT2019, Volume 2C: Turbomachinery, V02CT41A016, June 17–21, 2019

Paper No: GT2019-90363

DOI: https://doi.org/10.1115/GT2019-90363

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Topics: Compressors, Computational fluid dynamics, Flow (Dynamics), Simulation, Blades, Convection, Performance, Reynolds-averaged Navier–Stokes equations, Steady state, Vorticity

Journal Articles

Capturing Radial Mixing in Axial Compressors With Computational Fluid Dynamics

Lorenzo Cozzi, Filippo Rubechini, Matteo Giovannini, Michele Marconcini, Andrea Arnone, Andrea Schneider, Pio Astrua

J. Turbomach. March 2019, 141(3): 031012.

Paper No: TURBO-18-1184

DOI: https://doi.org/10.1115/1.4041738

Published Online: January 21, 2019

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Topics: Compressors, Flow (Dynamics), Vorticity, Clearances (Engineering), Simulation, Blades, Steady state, Fluids, Computational fluid dynamics

Journal Articles

Secondary Flows in Low-Pressure Turbines Cascades: Numerical and Experimental Investigation of the Impact of the Inner Part of the Boundary Layer

Matteo Giovannini, Filippo Rubechini, Michele Marconcini, Daniele Simoni, Vianney Yepmo, Francesco Bertini

J. Turbomach. November 2018, 140(11): 111002.

Paper No: TURBO-18-1192

DOI: https://doi.org/10.1115/1.4041378

Published Online: October 8, 2018

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Topics: Blades, Boundary layers, Cascades (Fluid dynamics), Flow (Dynamics), Pressure, Computational fluid dynamics

Proceedings Papers

Modeling Partial Admission in Control Stages of Small Steam Turbines With CFD

Juri Bellucci, Filippo Rubechini, Andrea Arnone

Proc. ASME. GT2018, Volume 8: Microturbines, Turbochargers, and Small Turbomachines; Steam Turbines, V008T29A029, June 11–15, 2018

Paper No: GT2018-76528

DOI: https://doi.org/10.1115/GT2018-76528

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Topics: Computational fluid dynamics, Modeling, Steam turbines, Nozzles, Engineering simulation, Flow (Dynamics), Mechanical behavior, Numerical analysis, Shapes, Shock (Mechanics)

Proceedings Papers

Capturing Radial Mixing in Axial Compressors With CFD

Lorenzo Cozzi, Filippo Rubechini, Matteo Giovannini, Michele Marconcini, Andrea Arnone, Andrea Schneider, Pio Astrua

Proc. ASME. GT2018, Volume 2C: Turbomachinery, V02CT42A025, June 11–15, 2018

Paper No: GT2018-75942

DOI: https://doi.org/10.1115/GT2018-75942

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Topics: Compressors, Computational fluid dynamics, Flow (Dynamics), Steady state, Clearances (Engineering), Reynolds-averaged Navier–Stokes equations, Vorticity, Blades, Fluids, Accounting

Proceedings Papers

Secondary Flows in LPT Cascades: Numerical and Experimental Investigation of the Impact of the Inner Part of the Boundary Layer

Matteo Giovannini, Filippo Rubechini, Michele Marconcini, Daniele Simoni, Vianney Yepmo, Francesco Bertini

Proc. ASME. GT2018, Volume 2B: Turbomachinery, V02BT41A027, June 11–15, 2018

Paper No: GT2018-76737

DOI: https://doi.org/10.1115/GT2018-76737

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Topics: Boundary layers, Flow (Dynamics), Cascades (Fluid dynamics), Design, Pressure, Shapes, Turbines, Computational fluid dynamics, Engines, Reynolds-averaged Navier–Stokes equations

Proceedings Papers

Facing the Challenges in CFD Modelling of Multistage Axial Compressors

Lorenzo Cozzi, Filippo Rubechini, Michele Marconcini, Andrea Arnone, Pio Astrua, Andrea Schneider, Andrea Silingardi

Proc. ASME. GT2017, Volume 2B: Turbomachinery, V02BT41A007, June 26–30, 2017

Paper No: GT2017-63240

DOI: https://doi.org/10.1115/GT2017-63240

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Topics: Compressors, Computational fluid dynamics, Modeling, Flow (Dynamics), Machinery, Computation, Rotors, Stators, Steady state, Clearances (Engineering)

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

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

Analysis of a LPT Rotor Blade for a Geared Engine: Part I — Aero-Mechanical Design and Validation

Matteo Giovannini, Filippo Rubechini, Michele Marconcini, Andrea Arnone, Francesco Bertini

Proc. ASME. GT2016, Volume 2B: Turbomachinery, V02BT38A053, June 13–17, 2016

Paper No: GT2016-57746

DOI: https://doi.org/10.1115/GT2016-57746

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Topics: Blades, Design, Engines, Rotors, Artificial neural networks, Stress, Turbine blades, Turbines, Turbulence, Boundary-value problems

Journal Articles

Scaling Three-Dimensional Low-Pressure Turbine Blades for Low-Speed Testing

Matteo Giovannini, Michele Marconcini, Filippo Rubechini, Andrea Arnone, Francesco Bertini

J. Turbomach. November 2016, 138(11): 111001.

Paper No: TURBO-16-1009

DOI: https://doi.org/10.1115/1.4033259

Published Online: May 10, 2016

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Topics: Blades, Design, Flow (Dynamics), Pressure, Rotors, Optimization, Turbines

Proceedings Papers

Some Experiences About the Impact of Unsteadiness in Turbine Flows

Juri Bellucci, Filippo Rubechini, Andrea Arnone

Proc. ASME. GT2015, Volume 2A: Turbomachinery, V02AT38A026, June 15–19, 2015

Paper No: GT2015-43122

DOI: https://doi.org/10.1115/GT2015-43122

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Topics: Flow (Dynamics), Turbines, Steady state, Design, Rotors, Stators, Aerodynamics, Approximation, Blades, Fluids

Proceedings Papers

Scaling 3D Low-Pressure Turbine Blades for Low-Speed Testing

Matteo Giovannini, Michele Marconcini, Filippo Rubechini, Andrea Arnone, Francesco Bertini

Proc. ASME. GT2015, Volume 2B: Turbomachinery, V02BT39A011, June 15–19, 2015

Paper No: GT2015-42176

DOI: https://doi.org/10.1115/GT2015-42176

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Topics: Pressure, Testing, Turbine blades, Design, Blades, Flow (Dynamics), Engines, Rotors, Turbines, Boundary layers

Journal Articles

Accounting for Unsteady Interaction in Transonic Stages

Filippo Rubechini, Michele Marconcini, Matteo Giovannini, Juri Bellucci, Andrea Arnone

J. Eng. Gas Turbines Power. May 2015, 137(5): 052602.

Paper No: GTP-14-1433

DOI: https://doi.org/10.1115/1.4028667

Published Online: May 1, 2015

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Topics: Blades, Flow (Dynamics), Nozzles, Rotors, Shock (Mechanics), Turbines, Steady state, Compressors, Computational fluid dynamics, Pressure

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

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Journal citation

NARROW

Analysis of the Loss Production Mechanism Due to Cavity–Main Flow Interaction in a Low-Pressure Turbine Stage

A State-of-the-Art CFD Setup for Axial Compressors: Details and Validation

Improving Steady Computational Fluid Dynamics to Capture the Effects of Radial Mixing in Axial Compressors

Reducing Secondary Flow Losses in Low-Pressure Turbines With Blade Fences: Part I — Design in an Engine-Like Environment

Reducing Secondary Flow Losses in Low-Pressure Turbines With Blade Fences: Part II — Experimental Validation on Linear Cascades

Improving Steady CFD to Capture the Effects of Radial Mixing in Axial Compressors

Capturing Radial Mixing in Axial Compressors With Computational Fluid Dynamics

Secondary Flows in Low-Pressure Turbines Cascades: Numerical and Experimental Investigation of the Impact of the Inner Part of the Boundary Layer

Modeling Partial Admission in Control Stages of Small Steam Turbines With CFD

Capturing Radial Mixing in Axial Compressors With CFD

Secondary Flows in LPT Cascades: Numerical and Experimental Investigation of the Impact of the Inner Part of the Boundary Layer

Facing the Challenges in CFD Modelling of Multistage Axial Compressors

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

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

Analysis of a LPT Rotor Blade for a Geared Engine: Part I — Aero-Mechanical Design and Validation

Scaling Three-Dimensional Low-Pressure Turbine Blades for Low-Speed Testing

Some Experiences About the Impact of Unsteadiness in Turbine Flows

Scaling 3D Low-Pressure Turbine Blades for Low-Speed Testing

Accounting for Unsteady Interaction in Transonic Stages

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

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