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Francesco Bertini
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Proceedings Papers

A Collaborative Framework for Design and Validation of Next-Generation Transonic Low-Pressure Turbines

Bogdan Cernat, Alexandre Halby, Sergio Lavagnoli, Filippo Rubechini, Stefano Guidolotti, Ardeshir Hanifi, Mihai Mihaescu, Davide Lengani, Francesco Bertini
Proc. ASME. GT2024, Volume 12B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing, V12BT30A014, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-123820
https://doi.org/10.1115/GT2024-123820
View Paper titled, A Collaborative Framework for Design and Validation of Next-Generation Transonic Low-Pressure Turbines
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Topics: Design, Pressure, Turbines
Journal Articles

Improvements in the Prediction of Steady and Unsteady Transition and Mixing in Low-Pressure Turbines by Means of Machine-Learnt Closures

Roberto Pacciani, Michele Marconcini, Andrea Arnone, Francesco Bertini, Ennio Spano, Simone Rosa Taddei, Richard D. Sandberg
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. May 2024, 146(5): 051009.
Paper No: TURBO-23-1186
https://doi.org/10.1115/1.4064312
Published Online: January 16, 2024
View Article titled, Improvements in the Prediction of Steady and Unsteady Transition and Mixing in Low-Pressure Turbines by Means of Machine-Learnt Closures
Open the PDF for Improvements in the Prediction of Steady and Unsteady Transition and Mixing in Low-Pressure Turbines by Means of Machine-Learnt Closures in another window
Topics: Blades, Boundary layers, Cascades (Fluid dynamics), Machinery, Pressure, Reynolds number, Reynolds-averaged Navier–Stokes equations, Turbines, Turbulence, Wakes
Proceedings Papers

Development and Testing of a Universal High Lift Power Turbine for the LM2500+ Engine

David Guerrero, Aspi Wadia, Francesco Bertini, Angel Elorriaga, Yonatan Lopez, Juan Paredes, Massimiliano Airaudo, Dion Duckett, Alfredo Ruiz
Proc. ASME. GT2023, Volume 8: Industrial and Cogeneration; Manufacturing Materials and Metallurgy, V008T16A006, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-103655
https://doi.org/10.1115/GT2023-103655
View Paper titled, Development and Testing of a Universal High Lift Power Turbine for the LM2500+ Engine
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Topics: Engines, Gas turbines, Testing, Turbines, Design, Aircraft engines, Airfoils, Combustion chambers, Compressors, Emissions
Proceedings Papers

Improvements in the Prediction of Steady and Unsteady Transition and Mixing in Low Pressure Turbines by Means of Machine-Learnt Closures

Roberto Pacciani, Michele Marconcini, Andrea Arnone, Francesco Bertini, Ennio Spano, Simone Rosa Taddei, Richard D. Sandberg
Proc. ASME. GT2023, Volume 13B: Turbomachinery — Axial Flow Turbine Aerodynamics, V13BT30A025, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-102985
https://doi.org/10.1115/GT2023-102985
View Paper titled, Improvements in the Prediction of Steady and Unsteady Transition and Mixing in Low Pressure Turbines by Means of Machine-Learnt Closures
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Topics: Machinery, Pressure, Turbines, Wakes, Turbulence, Cascades (Fluid dynamics), Boundary layers, Inflow, Kinetic energy, Modeling
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
Proceedings Papers

Evaluation of Different Regression Models Tuned With Experimental Turbine Cascade Data

Matteo Dellacasagrande, Davide Lengani, Pietro Paliotta, Daniele Petronio, Daniele Simoni, Francesco Bertini
Proc. ASME. GT2022, Volume 10B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing; Radial Turbomachinery Aerodynamics, V10BT30A011, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-81357
https://doi.org/10.1115/GT2022-81357
View Paper titled, Evaluation of Different Regression Models Tuned With Experimental Turbine Cascade Data
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Topics: Cascades (Fluid dynamics), Regression models, Turbines, Databases, Accounting, Collaboration, Errors, Flow (Dynamics), Modeling, Optimization
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 Bayesian Approach for the Identification of Cascade Loss Model Strategy

Daniele Simoni, Davide Lengani, Daniele Petronio, Francesco Bertini
Proc. ASME. GT2020, Volume 2B: Turbomachinery, V02BT33A010, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-14625
https://doi.org/10.1115/GT2020-14625
View Paper titled, A Bayesian Approach for the Identification of Cascade Loss Model Strategy
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Topics: Cascades (Fluid dynamics), Accounting, Approximation, Design, Fittings, Flow (Dynamics), Inflow, Polynomials, Pressure, Probability
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
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

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

Analysis of a LPT Rotor Blade for a Geared Engine: Part II — Characterization of the Time-Varying Flow Field in a Single Stage Research Turbine

Daniele Infantino, Francesca Satta, Daniele Simoni, Marina Ubaldi, Pietro Zunino, Francesco Bertini
Proc. ASME. GT2016, Volume 2B: Turbomachinery, V02BT38A051, June 13–17, 2016
Publisher: American Society of Mechanical Engineers
Paper No: GT2016-57725
https://doi.org/10.1115/GT2016-57725
View Paper titled, Analysis of a LPT Rotor Blade for a Geared Engine: Part II — Characterization of the Time-Varying Flow Field in a Single Stage Research Turbine
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Topics: Blades, Engines, Flow (Dynamics), Rotors, Turbines, Stators, Wakes, Vortices, Arches, Design
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

Aerodynamic Loading Distribution Effects on Off-Design Performance of Highly Loaded LP Turbine Cascades Under Steady and Unsteady Incoming Flows

Marco Berrino, Daniele Simoni, Marina Ubaldi, Pietro Zunino, Francesco Bertini
Proc. ASME. GT2016, Volume 2B: Turbomachinery, V02BT38A048, June 13–17, 2016
Publisher: American Society of Mechanical Engineers
Paper No: GT2016-57580
https://doi.org/10.1115/GT2016-57580
View Paper titled, Aerodynamic Loading Distribution Effects on Off-Design Performance of Highly Loaded LP Turbine Cascades Under Steady and Unsteady Incoming Flows
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Topics: Design, Flow (Dynamics), Turbines, Reynolds number, Boundary layers, Cascades (Fluid dynamics), Inflow, Robustness, Blades, Physics
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

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
Proceedings Papers

Low-Pressure Turbine Cascade Performance Calculations With Incidence Variation and Periodic Unsteady Inflow Conditions

Michele Marconcini, Roberto Pacciani, Andrea Arnone, Francesco Bertini
Proc. ASME. GT2015, Volume 2A: Turbomachinery, V02AT38A006, June 15–19, 2015
Publisher: American Society of Mechanical Engineers
Paper No: GT2015-42276
https://doi.org/10.1115/GT2015-42276
View Paper titled, Low-Pressure Turbine Cascade Performance Calculations With Incidence Variation and Periodic Unsteady Inflow Conditions
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Topics: Cascades (Fluid dynamics), Inflow, Pressure, Turbines, Boundary-value problems, Design, Flow (Dynamics), Reynolds number, Boundary layers, Computation
Proceedings Papers

Phase-Locked Investigation of Secondary Flows Perturbed by Passing Wakes in a High-Lift LPT Turbine Cascade

Daniele Infantino, Francesca Satta, Daniele Simoni, Marina Ubaldi, Pietro Zunino, Francesco Bertini
Proc. ASME. GT2015, Volume 2C: Turbomachinery, V02CT44A008, June 15–19, 2015
Publisher: American Society of Mechanical Engineers
Paper No: GT2015-42480
https://doi.org/10.1115/GT2015-42480
View Paper titled, Phase-Locked Investigation of Secondary Flows Perturbed by Passing Wakes in a High-Lift LPT Turbine Cascade
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Topics: Cascades (Fluid dynamics), Flow (Dynamics), Turbines, Wakes, Turbulence, Vortices, Aerodynamics, Blades, Displacement, Pressure
Journal Articles

Off-Design Performance of a Highly Loaded Low Pressure Turbine Cascade Under Steady and Unsteady Incoming Flow Conditions

Daniele Simoni, Marco Berrino, Marina Ubaldi, Pietro Zunino, Francesco Bertini
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. July 2015, 137(7): 071009.
Paper No: TURBO-14-1280
https://doi.org/10.1115/1.4029200
Published Online: July 1, 2015
View Article titled, Off-Design Performance of a Highly Loaded Low Pressure Turbine Cascade Under Steady and Unsteady Incoming Flow Conditions
Open the PDF for Off-Design Performance of a Highly Loaded Low Pressure Turbine Cascade Under Steady and Unsteady Incoming Flow Conditions in another window
Topics: Blades, Boundary layers, Cascades (Fluid dynamics), Design, Flow (Dynamics), Inflow, Pressure, Suction, Wakes, Turbulence