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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 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

Paper No: GT2020-14625

DOI: https://doi.org/10.1115/GT2020-14625

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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

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

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

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

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

Paper No: GT2016-57580

DOI: https://doi.org/10.1115/GT2016-57580

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Topics: Design, Flow (Dynamics), Turbines, Reynolds number, Boundary layers, Cascades (Fluid dynamics), Inflow, Robustness, Blades, Physics

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

Paper No: GT2016-57725

DOI: https://doi.org/10.1115/GT2016-57725

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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

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

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

Paper No: GT2015-42276

DOI: https://doi.org/10.1115/GT2015-42276

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Topics: Cascades (Fluid dynamics), Inflow, Pressure, Turbines, Boundary-value problems, Design, Flow (Dynamics), Reynolds number, Boundary layers, Computation

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

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

Paper No: GT2015-42480

DOI: https://doi.org/10.1115/GT2015-42480

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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

J. Turbomach. July 2015, 137(7): 071009.

Paper No: TURBO-14-1280

DOI: https://doi.org/10.1115/1.4029200

Published Online: July 1, 2015

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Topics: Blades, Boundary layers, Cascades (Fluid dynamics), Design, Flow (Dynamics), Inflow, Pressure, Suction, Wakes, Turbulence

Proceedings Papers

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

Marco Berrino, Daniele Simoni, Marina Ubaldi, Pietro Zunino, Francesco Bertini

Proc. ASME. GT2014, Volume 2D: Turbomachinery, V02DT44A005, June 16–20, 2014

Paper No: GT2014-25396

DOI: https://doi.org/10.1115/GT2014-25396

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Topics: Cascades (Fluid dynamics), Design, Flow (Dynamics), Turbines, Inflow, Pressure, Blades, Wakes, Aerodynamics, Bearings

Proceedings Papers

Predicting High-Lift LP Turbine Cascades Flows Using Transition-Sensitive Turbulence Closures

Roberto Pacciani, Michele Marconcini, Andrea Arnone, Francesco Bertini

Proc. ASME. GT2013, Volume 6B: Turbomachinery, V06BT37A039, June 3–7, 2013

Paper No: GT2013-95605

DOI: https://doi.org/10.1115/GT2013-95605

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Topics: Flow (Dynamics), Turbines, Turbulence, Computation, Inflow, Suction, Wakes, Blades, Boundary layers, Boundary-value problems

Proceedings Papers

A Critical Numerical Review of Loss Correlation Models and Smith Diagram for Modern Low Pressure Turbine Stages

Francesco Bertini, Enrico Ampellio, Michele Marconcini, Matteo Giovannini

Proc. ASME. GT2013, Volume 6B: Turbomachinery, V06BT37A018, June 3–7, 2013

Paper No: GT2013-94849

DOI: https://doi.org/10.1115/GT2013-94849

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Topics: Pressure, Turbines, Design, Blades, Computational fluid dynamics, Clearances (Engineering), Deflection, Flow (Dynamics), Optimization, Rapid tooling

Journal Articles

Predicting High-Lift Low-Pressure Turbine Cascades Flow Using Transition-Sensitive Turbulence Closures

Roberto Pacciani, Michele Marconcini, Andrea Arnone, Francesco Bertini

J. Turbomach. May 2014, 136(5): 051007.

Paper No: TURBO-13-1098

DOI: https://doi.org/10.1115/1.4025224

Published Online: September 27, 2013

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Topics: Cascades (Fluid dynamics), Flow (Dynamics), Reynolds number, Turbines, Turbulence, Boundary layers, Blades, Pressure, Wakes, Separation (Technology)

Proceedings Papers

A Path Towards the Aerodynamic Robust Design of Low Pressure Turbines

Francesco Bertini, Martina Credi, Michele Marconcini, Matteo Giovannini

Proc. ASME. GT2012, Volume 8: Turbomachinery, Parts A, B, and C, 1497-1507, June 11–15, 2012

Paper No: GT2012-69456

DOI: https://doi.org/10.1115/GT2012-69456

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Topics: Design, Pressure, Turbines, Engines, Aircraft engines, Boundary-value problems, Computer simulation, Cycles, Fuel consumption, Fuels

Proceedings Papers

URANS Analysis of Wake-Induced Effects in High-Lift, Low Reynolds Number Cascade Flows

Roberto Pacciani, Michele Marconcini, Andrea Arnone, Francesco Bertini

Proc. ASME. GT2012, Volume 8: Turbomachinery, Parts A, B, and C, 1521-1530, June 11–15, 2012

Paper No: GT2012-69479

DOI: https://doi.org/10.1115/GT2012-69479

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Topics: Cascades (Fluid dynamics), Flow (Dynamics), Reynolds number, Wakes, Turbulence, Turbines, Turbomachinery, Aircraft engines, Blades, Boundary layers

Journal citation

NARROW

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

A Bayesian Approach for the Identification of Cascade Loss Model Strategy

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

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

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

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

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

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

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

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

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

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

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

Predicting High-Lift LP Turbine Cascades Flows Using Transition-Sensitive Turbulence Closures

A Critical Numerical Review of Loss Correlation Models and Smith Diagram for Modern Low Pressure Turbine Stages

Predicting High-Lift Low-Pressure Turbine Cascades Flow Using Transition-Sensitive Turbulence Closures

A Path Towards the Aerodynamic Robust Design of Low Pressure Turbines

URANS Analysis of Wake-Induced Effects in High-Lift, Low Reynolds Number Cascade Flows

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