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Proceedings Papers

Analysis of Unsteady Loss Sensitivity to Incidence Angle Variation in Low Pressure Turbine

Matteo Dellacasagrande, Davide Lengani, Daniele Simoni, Marina Ubaldi, Angelo Alberto Granata, Matteo Giovannini, Filippo Rubechini, Francesco Bertini
Proc. ASME. GT2023, Volume 13B: Turbomachinery — Axial Flow Turbine Aerodynamics, V13BT30A037, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-103770
https://doi.org/10.1115/GT2023-103770
View Paper titled, Analysis of Unsteady Loss Sensitivity to Incidence Angle Variation in Low Pressure Turbine
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Topics: Pressure, Turbines, Wakes, Flow (Dynamics), Unsteady flow, Blades, Boundary layers, Cascades (Fluid dynamics), Inflow, Engineering design processes
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
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. September 2022, 144(9): 091004.
Paper No: TURBO-22-1013
https://doi.org/10.1115/1.4053745
Published Online: March 4, 2022
View Article titled, Analysis of the Loss Production Mechanism Due to Cavity–Main Flow Interaction in a Low-Pressure Turbine Stage
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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
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-14507
https://doi.org/10.1115/GT2020-14507
View Paper titled, A State-of-the-Art CFD Setup for Axial Compressors: Details and Validation
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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
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. September 2020, 142(9): 091005.
Paper No: TURBO-19-1196
https://doi.org/10.1115/1.4047394
Published Online: August 21, 2020
View Article titled, Improving Steady Computational Fluid Dynamics to Capture the Effects of Radial Mixing in Axial Compressors
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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
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-91280
https://doi.org/10.1115/GT2019-91280
View Paper titled, Reducing Secondary Flow Losses in Low-Pressure Turbines With Blade Fences: Part I — Design in an Engine-Like Environment
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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
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-91284
https://doi.org/10.1115/GT2019-91284
View Paper titled, Reducing Secondary Flow Losses in Low-Pressure Turbines With Blade Fences: Part II — Experimental Validation on Linear Cascades
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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
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-90363
https://doi.org/10.1115/GT2019-90363
View Paper titled, Improving Steady CFD to Capture the Effects of Radial Mixing in Axial Compressors
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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
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. March 2019, 141(3): 031012.
Paper No: TURBO-18-1184
https://doi.org/10.1115/1.4041738
Published Online: January 21, 2019
View Article titled, Capturing Radial Mixing in Axial Compressors With Computational Fluid Dynamics
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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
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. November 2018, 140(11): 111002.
Paper No: TURBO-18-1192
https://doi.org/10.1115/1.4041378
Published Online: October 8, 2018
View Article titled, Secondary Flows in Low-Pressure Turbines Cascades: Numerical and Experimental Investigation of the Impact of the Inner Part of the Boundary Layer
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Topics: Blades, Boundary layers, Cascades (Fluid dynamics), Flow (Dynamics), Pressure, Computational fluid dynamics
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
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-75942
https://doi.org/10.1115/GT2018-75942
View Paper titled, Capturing Radial Mixing in Axial Compressors With CFD
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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
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-76737
https://doi.org/10.1115/GT2018-76737
View Paper titled, Secondary Flows in LPT Cascades: Numerical and Experimental Investigation of the Impact of the Inner Part of the Boundary Layer
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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

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
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-76528
https://doi.org/10.1115/GT2018-76528
View Paper titled, Modeling Partial Admission in Control Stages of Small Steam Turbines With CFD
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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

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
Publisher: American Society of Mechanical Engineers
Paper No: GT2017-63240
https://doi.org/10.1115/GT2017-63240
View Paper titled, Facing the Challenges in CFD Modelling of Multistage Axial Compressors
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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
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. May 2017, 139(5): 052603.
Paper No: GTP-16-1390
https://doi.org/10.1115/1.4035158
Published Online: January 4, 2017
View Article titled, Numerical and Experimental Investigation of Axial Gap Variation in High-Pressure Steam Turbine Stages
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Topics: Blades, Flow (Dynamics), Pressure, Rotors, Turbines, Steam turbines, High pressure (Physics), Stators, Computational fluid dynamics
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
Publisher: American Society of Mechanical Engineers
Paper No: GT2016-57746
https://doi.org/10.1115/GT2016-57746
View Paper titled, Analysis of a LPT Rotor Blade for a Geared Engine: Part I — Aero-Mechanical Design and Validation
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Topics: Blades, Design, Engines, Rotors, Artificial neural networks, Stress, Turbine blades, Turbines, Turbulence, Boundary-value problems
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
Publisher: American Society of Mechanical Engineers
Paper No: GT2016-56547
https://doi.org/10.1115/GT2016-56547
View Paper titled, Numerical and Experimental Investigation of Axial Gap Variation in High Pressure Steam Turbine Stages
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Topics: High pressure (Physics), Steam turbines, Flow (Dynamics), Blades, Chords (Trusses), Rotors, Boundary-value problems, Engineering simulation, Numerical analysis, Pressure
Journal Articles

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

Matteo Giovannini, Michele Marconcini, Filippo Rubechini, Andrea Arnone, Francesco Bertini
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. November 2016, 138(11): 111001.
Paper No: TURBO-16-1009
https://doi.org/10.1115/1.4033259
Published Online: May 10, 2016
View Article titled, Scaling Three-Dimensional Low-Pressure Turbine Blades for Low-Speed Testing
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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
Publisher: American Society of Mechanical Engineers
Paper No: GT2015-43122
https://doi.org/10.1115/GT2015-43122
View Paper titled, Some Experiences About the Impact of Unsteadiness in Turbine Flows
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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
Publisher: American Society of Mechanical Engineers
Paper No: GT2015-42176
https://doi.org/10.1115/GT2015-42176
View Paper titled, Scaling 3D Low-Pressure Turbine Blades for Low-Speed Testing
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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
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. May 2015, 137(5): 052602.
Paper No: GTP-14-1433
https://doi.org/10.1115/1.4028667
Published Online: May 1, 2015
View Article titled, Accounting for Unsteady Interaction in Transonic Stages
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Topics: Blades, Flow (Dynamics), Nozzles, Rotors, Shock (Mechanics), Turbines, Steady state, Compressors, Computational fluid dynamics, Pressure