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Francesco Balduzzi
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Journal Articles

Analysis of the Flow-Field Distortions Induced by Pneumatic Pressure Probes in Test Bench Experiments on Centrifugal Compressors: Are We Testing Right?

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Alberto Baroni, Luca Romani, Francesco Balduzzi, Lorenzo Toni, Angelo Grimaldi, Elisabetta Belardini, Davide Biliotti, Alessandro Bianchini, Giovanni Ferrara
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. August 2025, 147(8): 081008.
Paper No: GTP-24-1711
https://doi.org/10.1115/1.4066991
Published Online: December 23, 2024
View Articletitled, Analysis of the Flow-Field Distortions Induced by Pneumatic Pressure Probes in Test Bench Experiments on Centrifugal Compressors: Are We Testing Right?
Open the PDF for Analysis of the Flow-Field Distortions Induced by Pneumatic Pressure Probes in Test Bench Experiments on Centrifugal Compressors: Are We Testing Right? in another window
Topics: Diffusers, Flow (Dynamics), Pressure, Probes, Compressors
Journal Articles

Selection Criteria for Rotor Number and Rotational Direction in Arrays of Closely Spaced Darrieus Turbines

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Omar Sherif Mohamed, Pier Francesco Melani, Giuseppe Soraperra, Alessandra Brighenti, Francesco Balduzzi, Alessandro Bianchini
Journal: Journal of Fluids Engineering
Publisher: ASME
Article Type: Research-Article
J. Fluids Eng. March 2025, 147(3): 031101.
Paper No: FE-24-1416
https://doi.org/10.1115/1.4067007
Published Online: November 21, 2024
View Articletitled, Selection Criteria for Rotor Number and Rotational Direction in Arrays of Closely Spaced Darrieus Turbines
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Topics: Computational fluid dynamics, Rotors, Turbines, Wakes, Blades, Flow (Dynamics)
Proceedings Papers

A Gas Flow Network Model for Predicting Ring Dynamics and Leakage in Dry-Running Pistons Seals for High-Pressure Hydrogen Storage

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Andrea Sassoli, Sandro Raspanti, Luca Romani, Alessio Capanni, Simone Bassani, Giovanni Ferrara, Francesco Balduzzi
Proc. ASME. GT2024, Volume 2: Ceramics and Ceramic Composites; Coal, Biomass, Hydrogen, and Alternative Fuels, V002T03A021, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-126694
https://doi.org/10.1115/GT2024-126694
View Paper titled, A Gas Flow Network Model for Predicting Ring Dynamics and Leakage in Dry-Running Pistons Seals for High-Pressure Hydrogen Storage
Open the PDF for A Gas Flow Network Model for Predicting Ring Dynamics and Leakage in Dry-Running Pistons Seals for High-Pressure Hydrogen Storage in another window
Topics: Dynamics (Mechanics), Gas flow, High pressure (Physics), Hydrogen storage, Leakage, Network models, Pistons, Wear, Compressors, Cylinders
Proceedings Papers

Influence of External Heat Transfer on the Thermo-Structural Stress of a Radial Turbine Wheel

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Francesco Balduzzi, Pierre-Alain Hoffer, Luigi Mosciaro, Daniele Mattiello, Silvio Rabbolini, Nicola Pini, Alessandro Bianchini, Giovanni Ferrara
Proc. ASME. GT2024, Volume 9: Manufacturing Materials and Metallurgy; Microturbines, Turbochargers, and Small Turbomachines; Oil & Gas Applications; Steam Turbine, V009T18A005, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-121990
https://doi.org/10.1115/GT2024-121990
View Paper titled, Influence of External Heat Transfer on the Thermo-Structural Stress of a Radial Turbine Wheel
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Topics: Heat transfer, Stress, Turbines, Turbochargers, Wheels
Proceedings Papers

Analysis of the Flow-Field Distortions Induced by Pneumatic Pressure Probes in Test Bench Experiments on Centrifugal Compressors: Are We Testing Right?

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Alberto Baroni, Luca Romani, Francesco Balduzzi, Lorenzo Toni, Angelo Grimaldi, Elisabetta Belardini, Davide Biliotti, Alessandro Bianchini, Giovanni Ferrara
Proc. ASME. GT2024, Volume 12D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V12DT35A008, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-124021
https://doi.org/10.1115/GT2024-124021
View Paper titled, Analysis of the Flow-Field Distortions Induced by Pneumatic Pressure Probes in Test Bench Experiments on Centrifugal Compressors: Are We Testing Right?
Open the PDF for Analysis of the Flow-Field Distortions Induced by Pneumatic Pressure Probes in Test Bench Experiments on Centrifugal Compressors: Are We Testing Right? in another window
Topics: Compressors, Computational fluid dynamics, Diffusers, Flow (Dynamics), Pressure, Probes, Testing
Proceedings Papers

Design Guidelines for Arrays of Closely Spaced Darrieus Turbines

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Omar Sherif Mohamed, Pier Francesco Melani, Giuseppe Soraperra, Alessandra Brighenti, Francesco Balduzzi, Alessandro Bianchini
Proc. ASME. GT2024, Volume 13: Heat Transfer: General Interest / Additive Manufacturing Impacts on Heat Transfer; Wind Energy, V013T37A006, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-121978
https://doi.org/10.1115/GT2024-121978
View Paper titled, Design Guidelines for Arrays of Closely Spaced Darrieus Turbines
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Topics: Computational fluid dynamics, Design, Rotors, Turbines
Journal Articles

A Computationally Efficient Method for the Thermo-Structural Analysis of a Turbocharger Turbine Wheel Under Engine Transient Operation

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Francesco Balduzzi, Iacopo Catalani, Nicola Pini, Luigi Mosciaro, Daniele Mattiello, Silvio Rabbolini, Pierre-Alain Hoffer, Alessandro Bianchini, Giovanni Ferrara
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. December 2023, 145(12): 121002.
Paper No: GTP-23-1334
https://doi.org/10.1115/1.4063379
Published Online: October 3, 2023
View Articletitled, A Computationally Efficient Method for the Thermo-Structural Analysis of a Turbocharger Turbine Wheel Under Engine Transient Operation
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Topics: Stress, Temperature, Transients (Dynamics), Turbines, Wheels, Steady state, Fluids, Turbochargers, Engines, Computational fluid dynamics
Proceedings Papers

A Computationally Efficient Method for the Thermo-Structural Analysis of a Turbocharger Turbine Wheel Under Engine Transient Operation

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Iacopo Catalani, Francesco Balduzzi, Alessandro Bianchini, Giovanni Ferrara, Nicola Pini, Luigi Mosciaro, Daniele Mattiello, Silvio Rabbolini, Pierre-Alain Hoffer
Proc. ASME. GT2023, Volume 9: Microturbines, Turbochargers, and Small Turbomachines; Oil and Gas Applications, V009T18A007, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-102204
https://doi.org/10.1115/GT2023-102204
View Paper titled, A Computationally Efficient Method for the Thermo-Structural Analysis of a Turbocharger Turbine Wheel Under Engine Transient Operation
Open the PDF for A Computationally Efficient Method for the Thermo-Structural Analysis of a Turbocharger Turbine Wheel Under Engine Transient Operation in another window
Topics: Computational fluid dynamics, Engines, Transients (Dynamics), Turbines, Turbochargers, Wheels
Proceedings Papers

A Critical Analysis on the Impact of External Losses on the Performance of a Centrifugal Compressor Stage – Experimental and Multi-Fidelity Numerical Assessment

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Alberto Baroni, Iacopo Catalani, Luca Romani, Marco Bicchi, Francesco Balduzzi, Michele Marconcini, Alessandro Bianchini, Andrea Arnone, Giovanni Ferrara, Lorenzo Toni, Davide Biliotti
Proc. ASME. GT2023, Volume 13D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V13DT35A012, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-102488
https://doi.org/10.1115/GT2023-102488
View Paper titled, A Critical Analysis on the Impact of External Losses on the Performance of a Centrifugal Compressor Stage – Experimental and Multi-Fidelity Numerical Assessment
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Topics: Compressors, Computational fluid dynamics, Design, Flow (Dynamics), Cavities, Engineering simulation, Simulation, Computer simulation, Leakage, Leakage flows
Proceedings Papers

Parametric Design of Radial Guide Vanes for Power Augmentation of Darrieus-Type Vertical-Axis Wind Turbines

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Pier Francesco Melani, Francesco Balduzzi, Giovanni Ferrara, Alessandro Bianchini, Roberto Bissanti, Palmiro Bissanti
Proc. ASME. GT2022, Volume 11: Wind Energy, V011T38A020, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-82867
https://doi.org/10.1115/GT2022-82867
View Paper titled, Parametric Design of Radial Guide Vanes for Power Augmentation of Darrieus-Type Vertical-Axis Wind Turbines
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Topics: Guide vanes, Parametric design, Vertical axis wind turbines, Flow (Dynamics), Simulation, Blades, Design, Engineering simulation, Rotors, Turbines
Journal Articles

Assessment of a Computationally Efficient Method for Industrial Simulations of Transient Heat Transfer During Autoclave Curing

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Iacopo Catalani, Francesco Balduzzi, Stefano Mariani, Giovanni Ferrara, Alessandro Bianchini
Journal: Journal of Pressure Vessel Technology
Publisher: ASME
Article Type: Technical Briefs
J. Pressure Vessel Technol. April 2022, 144(2): 024504.
Paper No: PVT-21-1027
https://doi.org/10.1115/1.4052119
Published Online: November 18, 2021
View Articletitled, Assessment of a Computationally Efficient Method for Industrial Simulations of Transient Heat Transfer During Autoclave Curing
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Topics: Hardening (Curing), Heat transfer, Simulation, Steady state, Temperature, Transients (Dynamics), Boundary-value problems, Transient heat transfer, Composite materials, Fluids
Journal Articles

A Robust Procedure to Implement Dynamic Stall Models Into Actuator Line Methods for the Simulation of Vertical-Axis Wind Turbines

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Pier Francesco Melani, Francesco Balduzzi, Alessandro Bianchini
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. November 2021, 143(11): 111008.
Paper No: GTP-21-1279
https://doi.org/10.1115/1.4051909
Published Online: September 27, 2021
View Articletitled, A Robust Procedure to Implement Dynamic Stall Models Into Actuator Line Methods for the Simulation of Vertical-Axis Wind Turbines
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Topics: Actuators, Airfoils, Blades, Computational fluid dynamics, Flow (Dynamics), Rotors, Simulation, Turbines, Vertical axis wind turbines, Drag (Fluid dynamics)
Proceedings Papers

Aerodynamic Optimization of a Turbocharger Unit Based on the Overall Efficiency Enhancement of an Internal Combustion Engine for Stationary Power Production

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Iacopo Catalani, Andrea Agnolucci, Francesco Balduzzi, Alessandro Bianchini, Andrea Arnone, Giovanni Ferrara, Giovanni Vichi, Alessandro Bellissima, Ryota Minamino, Go Asai
Proc. ASME. GT2021, Volume 6: Ceramics and Ceramic Composites; Coal, Biomass, Hydrogen, and Alternative Fuels; Microturbines, Turbochargers, and Small Turbomachines, V006T19A004, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-58843
https://doi.org/10.1115/GT2021-58843
View Paper titled, Aerodynamic Optimization of a Turbocharger Unit Based on the Overall Efficiency Enhancement of an Internal Combustion Engine for Stationary Power Production
Open the PDF for Aerodynamic Optimization of a Turbocharger Unit Based on the Overall Efficiency Enhancement of an Internal Combustion Engine for Stationary Power Production in another window
Topics: Energy generation, Internal combustion engines, Optimization, Turbochargers, Engines, Compressors, Simulation, Turbines, Aerodynamics, Automotive industry
Proceedings Papers

A Robust Procedure to Implement Dynamic Stall Models Into Actuator Line Methods for the Simulation of Vertical-Axis Wind Turbines

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Pier Francesco Melani, Francesco Balduzzi, Alessandro Bianchini
Proc. ASME. GT2021, Volume 1: Aircraft Engine; Fans and Blowers; Marine; Wind Energy; Scholar Lecture, V001T40A001, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-59102
https://doi.org/10.1115/GT2021-59102
View Paper titled, A Robust Procedure to Implement Dynamic Stall Models Into Actuator Line Methods for the Simulation of Vertical-Axis Wind Turbines
Open the PDF for A Robust Procedure to Implement Dynamic Stall Models Into Actuator Line Methods for the Simulation of Vertical-Axis Wind Turbines in another window
Topics: Actuators, Simulation, Vertical axis wind turbines, Flow (Dynamics), Blades, Computational fluid dynamics, Signals, Turbines, Filtration, Inflow
Journal Articles

Combined Numerical and Experimental Study on the Use of Gurney Flaps for the Performance Enhancement of NACA0021 Airfoil in Static and Dynamic Conditions

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Francesco Balduzzi, David Holst, Pier Francesco Melani, Felix Wegner, Christian Navid Nayeri, Giovanni Ferrara, Christian Oliver Paschereit, Alessandro Bianchini
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. February 2021, 143(2): 021004.
Paper No: GTP-20-1410
https://doi.org/10.1115/1.4048908
Published Online: January 13, 2021
View Articletitled, Combined Numerical and Experimental Study on the Use of Gurney Flaps for the Performance Enhancement of NACA0021 Airfoil in Static and Dynamic Conditions
Open the PDF for Combined Numerical and Experimental Study on the Use of Gurney Flaps for the Performance Enhancement of NACA0021 Airfoil in Static and Dynamic Conditions in another window
Topics: Airfoils, Blades, Computational fluid dynamics, Wind tunnels, Drag (Fluid dynamics), Flow (Dynamics), Vertical axis wind turbines, Reynolds number, Simulation
Proceedings Papers

Influence of Key Design Parameters on the Aerodynamic Performance of a Centrifugal Compressor Volute for Turbocharger Applications

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Pier Francesco Melani, Francesco Balduzzi, Alessandro Bianchini, Giovanni Ferrara, Pierre-Alain Hoffer, Stephane Montesino, Mattia Brenner
Proc. ASME. GT2020, Volume 8: Industrial and Cogeneration; Manufacturing Materials and Metallurgy; Marine; Microturbines, Turbochargers, and Small Turbomachines, V008T20A018, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-15195
https://doi.org/10.1115/GT2020-15195
View Paper titled, Influence of Key Design Parameters on the Aerodynamic Performance of a Centrifugal Compressor Volute for Turbocharger Applications
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Topics: Compressors, Design, Turbochargers, Shapes, Flow (Dynamics), Computational fluid dynamics, Computer-aided design, Diffusers, Engineering prototypes, Fluid dynamics
Proceedings Papers

Combined Numerical and Experimental Study on the Use of Gurney Flaps for the Performance Enhancement of NACA0021 Airfoil in Static and Dynamic Conditions

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Francesco Balduzzi, David Holst, Pier Francesco Melani, Felix Wegner, Christian Navid Nayeri, Giovanni Ferrara, Christian Oliver Paschereit, Alessandro Bianchini
Proc. ASME. GT2020, Volume 12: Wind Energy, V012T42A006, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-15196
https://doi.org/10.1115/GT2020-15196
View Paper titled, Combined Numerical and Experimental Study on the Use of Gurney Flaps for the Performance Enhancement of NACA0021 Airfoil in Static and Dynamic Conditions
Open the PDF for Combined Numerical and Experimental Study on the Use of Gurney Flaps for the Performance Enhancement of NACA0021 Airfoil in Static and Dynamic Conditions in another window
Topics: Airfoils, Reynolds number, Chords (Trusses), Wind energy, Blades, Computational fluid dynamics, Computer simulation, Construction, Cycles, Design
Proceedings Papers

Flow-Driven Design Optimization of Centrifugal Compressor Volutes for Turbochargers

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Andrea Tanganelli, Giulia Andreini, Matteo Rossini, Francesco Balduzzi, Alessandro Bianchini, Giovanni Ferrara
Proc. ASME. GT2019, Volume 8: Microturbines, Turbochargers, and Small Turbomachines; Steam Turbines, V008T26A010, June 17–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-90867
https://doi.org/10.1115/GT2019-90867
View Paper titled, Flow-Driven Design Optimization of Centrifugal Compressor Volutes for Turbochargers
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Topics: Compressors, Design, Flow (Dynamics), Optimization, Turbochargers, Shapes, Entropy, Computational fluid dynamics, Pressure, Vehicles
Proceedings Papers

Static and Dynamic Analysis of a NACA 0021 Airfoil Section at Low Reynolds Numbers: Drag and Moment Coefficients

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David Holst, Francesco Balduzzi, Alessandro Bianchini, Christian Navid Nayeri, Christian Oliver Paschereit, Giovanni Ferrara
Proc. ASME. GT2019, Volume 9: Oil and Gas Applications; Supercritical CO2 Power Cycles; Wind Energy, V009T48A002, June 17–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-90500
https://doi.org/10.1115/GT2019-90500
View Paper titled, Static and Dynamic Analysis of a NACA 0021 Airfoil Section at Low Reynolds Numbers: Drag and Moment Coefficients
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Topics: Airfoils, Drag (Fluid dynamics), Dynamic analysis, Reynolds number, Vertical axis wind turbines, Tunnels, Wind tunnels, Aviation, Blades, Computational fluid dynamics
Proceedings Papers

Development and Validation of a Hybrid Simulation Model for Darrieus Vertical-Axis Wind Turbines

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Alessandro Bianchini, Francesco Balduzzi, Leopold Haack, Simone Bigalli, Bernhard Müller, Giovanni Ferrara
Proc. ASME. GT2019, Volume 9: Oil and Gas Applications; Supercritical CO2 Power Cycles; Wind Energy, V009T48A009, June 17–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-91218
https://doi.org/10.1115/GT2019-91218
View Paper titled, Development and Validation of a Hybrid Simulation Model for Darrieus Vertical-Axis Wind Turbines
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Topics: Simulation models, Vertical axis wind turbines, Turbines, Airfoils, Blades, Computational fluid dynamics, Rotors, Actuators, Chords (Trusses), Design