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Journal Articles

Effects of Upstream Wakes on the Boundary Layer Over a Low-Pressure Turbine Blade

Luca De Vincentiis, Kristina Ðurović, Davide Lengani, Daniele Simoni, Jan Pralits, Dan S. Henningson, Ardeshir Hanifi
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. May 2023, 145(5): 051011.
Paper No: TURBO-22-1239
DOI: https://doi.org/10.1115/1.4056108
Published Online: November 25, 2022
View Article titled, Effects of Upstream Wakes on the Boundary Layer Over a Low-Pressure Turbine Blade
Click here to open pdf in another window PDF for Effects of Upstream Wakes on the Boundary Layer Over a Low-Pressure Turbine Blade
Topics: Blades, Boundary layers, Cylinders, Flow (Dynamics), Pressure, Suction, Turbine blades, Turbulence, Wakes, Boundary-value problems
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
Paper No: GT2022-81357
DOI: https://doi.org/10.1115/GT2022-81357
View Paper titled, Evaluation of Different Regression Models Tuned With Experimental Turbine Cascade Data
Click here to open pdf in another window PDF for Evaluation of Different Regression Models Tuned With Experimental Turbine Cascade Data
Topics: Cascades (Fluid dynamics), Regression models, Turbines, Databases, Accounting, Collaboration, Errors, Flow (Dynamics), Modeling, Optimization
Proceedings Papers

Free-Stream Turbulence Induced Boundary-Layer Transition in Low-Pressure Turbines

Luca De Vincentiis, Kristina Ðurović, Davide Lengani, Daniele Simoni, Jan Pralits, Dan S. Henningson, Ardeshir Hanifi
Proc. ASME. GT2022, Volume 10D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Turbomachinery General Interest; Unsteady Flows in Turbomachinery, V10DT37A015, June 13–17, 2022
Paper No: GT2022-82103
DOI: https://doi.org/10.1115/GT2022-82103
View Paper titled, Free-Stream Turbulence Induced Boundary-Layer Transition in Low-Pressure Turbines
Click here to open pdf in another window PDF for Free-Stream Turbulence Induced Boundary-Layer Transition in Low-Pressure Turbines
Topics: Boundary layers, Pressure, Turbines, Turbulence, Wakes, Blades, Fluctuations (Physics), Rotors, Turbine blades, Boundary-value problems
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
Article Type: Research Papers
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
View Article titled, Analysis of the Loss Production Mechanism Due to Cavity–Main Flow Interaction in a Low-Pressure Turbine Stage
Click here to open pdf in another window PDF for Analysis of the Loss Production Mechanism Due to Cavity–Main Flow Interaction in a Low-Pressure Turbine Stage
Topics: Cavities, Flow (Dynamics), Pressure, Turbines, Cavity flows
Journal Articles

Free-Stream Turbulence-Induced Boundary-Layer Transition in Low-Pressure Turbines

Kristina Ðurović, Luca De Vincentiis, Daniele Simoni, Davide Lengani, Jan Pralits, Dan S. Henningson, Ardeshir Hanifi
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. August 2021, 143(8): 081015.
Paper No: TURBO-20-1371
DOI: https://doi.org/10.1115/1.4050450
Published Online: May 3, 2021
View Article titled, Free-Stream Turbulence-Induced Boundary-Layer Transition in Low-Pressure Turbines
Click here to open pdf in another window PDF for Free-Stream Turbulence-Induced Boundary-Layer Transition in Low-Pressure Turbines
Topics: Blades, Boundary layers, Flow (Dynamics), Pressure, Turbulence, Separation (Technology)
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
View Paper titled, A Bayesian Approach for the Identification of Cascade Loss Model Strategy
Click here to open pdf in another window PDF for A Bayesian Approach for the Identification of Cascade Loss Model Strategy
Topics: Cascades (Fluid dynamics), Accounting, Approximation, Design, Fittings, Flow (Dynamics), Inflow, Polynomials, Pressure, Probability
Proceedings Papers

Free-Stream Turbulence Induced Boundary-Layer Transition in Low-Pressure Turbines

Kristina Ðurović, Luca De Vincentiis, Daniele Simoni, Davide Lengani, Jan Pralits, Dan S. Henningson, Ardeshir Hanifi
Proc. ASME. GT2020, Volume 2E: Turbomachinery, V02ET41A036, September 21–25, 2020
Paper No: GT2020-15808
DOI: https://doi.org/10.1115/GT2020-15808
View Paper titled, Free-Stream Turbulence Induced Boundary-Layer Transition in Low-Pressure Turbines
Click here to open pdf in another window PDF for Free-Stream Turbulence Induced Boundary-Layer Transition in Low-Pressure Turbines
Topics: Boundary layers, Pressure, Turbines, Turbulence, Blades, Flow (Dynamics), Suction, Boundary-value problems, Bubbles, Cascades (Fluid dynamics)
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
View Paper titled, Reducing Secondary Flow Losses in Low-Pressure Turbines With Blade Fences: Part I — Design in an Engine-Like Environment
Click here to open pdf in another window PDF for Reducing Secondary Flow Losses in Low-Pressure Turbines With Blade Fences: Part I — Design in an Engine-Like Environment
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
View Paper titled, Reducing Secondary Flow Losses in Low-Pressure Turbines With Blade Fences: Part II — Experimental Validation on Linear Cascades
Click here to open pdf in another window PDF for Reducing Secondary Flow Losses in Low-Pressure Turbines With Blade Fences: Part II — Experimental Validation on Linear Cascades
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
Article Type: Research-Article
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
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
Click here to open pdf in another window PDF for Secondary Flows in Low-Pressure Turbines Cascades: Numerical and Experimental Investigation of the Impact of the Inner Part of the Boundary Layer
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
View Paper titled, Secondary Flows in LPT Cascades: Numerical and Experimental Investigation of the Impact of the Inner Part of the Boundary Layer
Click here to open pdf in another window PDF for Secondary Flows in LPT Cascades: Numerical and Experimental Investigation of the Impact of the Inner Part of the Boundary Layer
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
View Paper titled, Aerodynamic Loading Distribution Effects on Off-Design Performance of Highly Loaded LP Turbine Cascades Under Steady and Unsteady Incoming Flows
Click here to open pdf in another window PDF for Aerodynamic Loading Distribution Effects on Off-Design Performance of Highly Loaded LP Turbine Cascades Under Steady and Unsteady Incoming Flows
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
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
Click here to open pdf in another window PDF for 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
Topics: Blades, Engines, Flow (Dynamics), Rotors, Turbines, Stators, Wakes, Vortices, Arches, Design
Journal Articles

A Simplified Model Predicting the Kelvin–Helmholtz Instability Frequency for Laminar Separated Flows

Daniele Simoni, Marina Ubaldi, Pietro Zunino
Journal: Journal of Turbomachinery
Article Type: Technical Briefs
J. Turbomach. April 2016, 138(4): 044501.
Paper No: TURBO-15-1014
DOI: https://doi.org/10.1115/1.4032162
Published Online: December 29, 2015
View Article titled, A Simplified Model Predicting the Kelvin–Helmholtz Instability Frequency for Laminar Separated Flows
Click here to open pdf in another window PDF for A Simplified Model Predicting the Kelvin–Helmholtz Instability Frequency for Laminar Separated Flows
Topics: Boundary layers, Flow (Dynamics), Pressure gradient, Reynolds number, Separation (Technology), Shear (Mechanics), Stability, Waves, Airfoils, Blades
Proceedings Papers

Radial Inflow Turbine Design Through Multi-Disciplinary Optimisation Technique

Dario Barsi, Andrea Perrone, Luca Ratto, Daniele Simoni, Pietro Zunino
Proc. ASME. GT2015, Volume 8: Microturbines, Turbochargers and Small Turbomachines; Steam Turbines, V008T23A009, June 15–19, 2015
Paper No: GT2015-42702
DOI: https://doi.org/10.1115/GT2015-42702
View Paper titled, Radial Inflow Turbine Design Through Multi-Disciplinary Optimisation Technique
Click here to open pdf in another window PDF for Radial Inflow Turbine Design Through Multi-Disciplinary Optimisation Technique
Topics: Design, Inflow, Optimization, Turbines, Finite element analysis, Blades, Computational fluid dynamics, Mesh generation, Aerodynamics, Artificial neural networks
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
View Paper titled, Phase-Locked Investigation of Secondary Flows Perturbed by Passing Wakes in a High-Lift LPT Turbine Cascade
Click here to open pdf in another window PDF for Phase-Locked Investigation of Secondary Flows Perturbed by Passing Wakes in a High-Lift LPT Turbine Cascade
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
Article Type: Research-Article
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
View Article titled, Off-Design Performance of a Highly Loaded Low Pressure Turbine Cascade Under Steady and Unsteady Incoming Flow Conditions
Click here to open pdf in another window PDF for Off-Design Performance of a Highly Loaded Low Pressure Turbine Cascade Under Steady and Unsteady Incoming Flow Conditions
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
View Paper titled, Off-Design Performance of a Highly Loaded LP Turbine Cascade Under Steady and Unsteady Incoming Flow Conditions
Click here to open pdf in another window PDF for Off-Design Performance of a Highly Loaded LP Turbine Cascade Under Steady and Unsteady Incoming Flow Conditions
Topics: Cascades (Fluid dynamics), Design, Flow (Dynamics), Turbines, Inflow, Pressure, Blades, Wakes, Aerodynamics, Bearings
Proceedings Papers

Endwall Effusion Cooling System Behaviour Within a High-Pressure Turbine Cascade: Part 1—Aerodynamic Measurements

Marco Sacchi, Daniele Simoni, Marina Ubaldi, Pietro Zunino, Stefano Zecchi
Proc. ASME. GT2010, Volume 4: Heat Transfer, Parts A and B, 1585-1594, June 14–18, 2010
Paper No: GT2010-22931
DOI: https://doi.org/10.1115/GT2010-22931
View Paper titled, Endwall Effusion Cooling System Behaviour Within a High-Pressure Turbine Cascade: Part 1—Aerodynamic Measurements
Click here to open pdf in another window PDF for Endwall Effusion Cooling System Behaviour Within a High-Pressure Turbine Cascade: Part 1—Aerodynamic Measurements
Topics: Cascades (Fluid dynamics), Cooling systems, High pressure (Physics), Turbines, Flow (Dynamics), Blades, Cooling, Jets, Pressure, Aerodynamics
Proceedings Papers

Boundary Layer Development on a High-Lift LP Turbine Profile Under Passing-Wakes Conditions

Francesca Satta, Daniele Simoni, Marina Ubaldi, Pietro Zunino, Francesco Bertini
Proc. ASME. GT2009, Volume 7: Turbomachinery, Parts A and B, 1753-1764, June 8–12, 2009
Paper No: GT2009-59889
DOI: https://doi.org/10.1115/GT2009-59889
View Paper titled, Boundary Layer Development on a High-Lift LP Turbine Profile Under Passing-Wakes Conditions
Click here to open pdf in another window PDF for Boundary Layer Development on a High-Lift LP Turbine Profile Under Passing-Wakes Conditions
Topics: Boundary layers, Turbines, Wakes, Reynolds number, Bubbles, Inflow, Rods, Separation (Technology), Suction, Unsteady flow