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Lorenzo Mazzei
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Proceedings Papers

Numerical Analysis of Convective Heat Transfer Processes and Performance Assessment of Lattice and Triply Periodic Minimal Surface Geometries

Niccolò Casini, Lorenzo Mazzei, Riccardo Da Soghe
Proc. ASME. GT2024, Volume 13: Heat Transfer: General Interest / Additive Manufacturing Impacts on Heat Transfer; Wind Energy, V013T13A041, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-129097
https://doi.org/10.1115/GT2024-129097
View Paper titled, Numerical Analysis of Convective Heat Transfer Processes and Performance Assessment of Lattice and Triply Periodic Minimal Surface Geometries
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Topics: Additive manufacturing, Computational fluid dynamics, Convection, Cooling, Gas turbines, Heat transfer, Numerical analysis, Triply periodic minimal surfaces
Proceedings Papers

Impact of Steady-State and Mixing Plane Assumptions: An Application to an Industrial Two-Stage High-Pressure Turbine

Lorenzo Mazzei, Niccolò Casini, Riccardo Da Soghe, Vittorio Michelassi, Alessandro Ciani, Tomasz Jurek, Luca Andrei
Proc. ASME. GT2024, Volume 12B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing, V12BT30A046, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-129052
https://doi.org/10.1115/GT2024-129052
View Paper titled, Impact of Steady-State and Mixing Plane Assumptions: An Application to an Industrial Two-Stage High-Pressure Turbine
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Topics: Aerodynamics, Computational fluid dynamics, Gas turbines, High pressure (Physics), Steady state, Turbines, Design, Cavities, Cooling, Flow (Dynamics)
Proceedings Papers

Characterization of ACC Losses Due to Wind and Design of Optimal Wind-Screens

Cosimo Bianchini, Riccardo Da Soghe, Lorenzo Giannini, Lorenzo Mazzei, Andrew Gardner, Jamie Wilde
Proc. ASME. GT2023, Volume 6: Education; Electric Power; Energy Storage; Fans and Blowers, V006T10A008, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-104135
https://doi.org/10.1115/GT2023-104135
View Paper titled, Characterization of ACC Losses Due to Wind and Design of Optimal Wind-Screens
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Topics: Design, Wind, Cooling, Blades, Fans, Fluids, Heat exchangers, Wind velocity, Computation, Computational fluid dynamics
Proceedings Papers

CFD Analysis of the Forces on a Steam Turbine Balance Seal Packing Ring

Cosimo Bianchini, Riccardo Da Soghe, Davide Bertini, Lorenzo Mazzei, Lorenzo Arcangeli, Lorenzo Cosi
Proc. ASME. GT2022, Volume 2: Coal, Biomass, Hydrogen, and Alternative Fuels; Controls, Diagnostics, and Instrumentation; Steam Turbine, V002T20A014, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-82896
https://doi.org/10.1115/GT2022-82896
View Paper titled, CFD Analysis of the Forces on a Steam Turbine Balance Seal Packing Ring
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Topics: Computational fluid dynamics, Packings (Cushioning), Steam turbines
Proceedings Papers

Assessment of Thickened Flame Model Coupled With Flamelet Generated Manifold on a Low-Swirl Partially Premixed Gaseous Lifted Flame

Leonardo Langone, Matteo Amerighi, Lorenzo Mazzei, Antonio Andreini, Stefano Orsino, Naseem Ansari, Rakesh Yadav
Proc. ASME. GT2022, Volume 3B: Combustion, Fuels, and Emissions, V03BT04A007, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-82122
https://doi.org/10.1115/GT2022-82122
View Paper titled, Assessment of Thickened Flame Model Coupled With Flamelet Generated Manifold on a Low-Swirl Partially Premixed Gaseous Lifted Flame
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Topics: Flamelet generated manifold, Flames, Combustion, Chemistry, Computation, Computational fluid dynamics, Computer simulation, Fuels, Large eddy simulation, Manifolds
Proceedings Papers

Effect of Jet-to-Plate Temperature Ratio on Flow and Heat Transfer Features of Active Clearance Control Systems

Riccardo Da Soghe, Lorenzo Mazzei, Lorenzo Tarchi, Niccolò Casini, Niccolò Castelli, Lorenzo Cocchi, Alessio Picchi, Bruno Facchini, Maxime Rotenberg
Proc. ASME. GT2022, Volume 6B: Heat Transfer — General Interest/Additive Manufacturing Impacts on Heat Transfer; Internal Air Systems; Internal Cooling, V06BT14A005, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-81791
https://doi.org/10.1115/GT2022-81791
View Paper titled, Effect of Jet-to-Plate Temperature Ratio on Flow and Heat Transfer Features of Active Clearance Control Systems
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Topics: Clearances (Engineering), Control systems, Flow (Dynamics), Heat transfer, Temperature
Proceedings Papers

Design Procedure of a Rotating Cavity Rig for Hot Gas Ingestion Investigation

Lorenzo Orsini, Alessio Picchi, Alessio Bonini, Luca Innocenti, Daniele Di Benedetto, Riccardo Da Soghe, Lorenzo Mazzei
Proc. ASME. GT2022, Volume 6B: Heat Transfer — General Interest/Additive Manufacturing Impacts on Heat Transfer; Internal Air Systems; Internal Cooling, V06BT14A011, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-82676
https://doi.org/10.1115/GT2022-82676
View Paper titled, Design Procedure of a Rotating Cavity Rig for Hot Gas Ingestion Investigation
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Topics: Cavities, Design
Proceedings Papers

Calibration of a CFD Methodology for the Simulation of Additively Manufactured Components Accounting for the Effects of Diameter and Printing Direction on Friction and Heat Transfer

Lorenzo Mazzei, Riccardo Da Soghe, Cosimo Bianchini
Proc. ASME. GT2022, Volume 6B: Heat Transfer — General Interest/Additive Manufacturing Impacts on Heat Transfer; Internal Air Systems; Internal Cooling, V06BT13A012, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-82391
https://doi.org/10.1115/GT2022-82391
View Paper titled, Calibration of a CFD Methodology for the Simulation of Additively Manufactured Components Accounting for the Effects of Diameter and Printing Direction on Friction and Heat Transfer
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Topics: Accounting, Additive manufacturing, Calibration, Computational fluid dynamics, Cooling, Friction, Gas turbines, Heat transfer, Printing, Simulation
Journal Articles

Reduced-Order Models for Effusion Modeling in Gas Turbine Combustors

Simone Paccati, Lorenzo Mazzei, Antonio Andreini, Bruno Facchini
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. August 2022, 144(8): 081013.
Paper No: TURBO-21-1210
https://doi.org/10.1115/1.4053837
Published Online: March 4, 2022
View Article titled, Reduced-Order Models for Effusion Modeling in Gas Turbine Combustors
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Topics: Combustion chambers, Computational fluid dynamics, Coolants, Flow (Dynamics), Modeling, Reynolds-averaged Navier–Stokes equations, Simulation, Turbulence, Experimental design, Gas turbines
Journal Articles

Calibration of a Computational Fluid Dynamics Methodology for the Simulation of Roughness Effects on Friction and Heat Transfer in Additive Manufactured Components

Lorenzo Mazzei, Riccardo Da Soghe, Cosimo Bianchini
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. August 2022, 144(8): 081002.
Paper No: TURBO-21-1242
https://doi.org/10.1115/1.4053493
Published Online: March 3, 2022
View Article titled, Calibration of a Computational Fluid Dynamics Methodology for the Simulation of Roughness Effects on Friction and Heat Transfer in Additive Manufactured Components
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Topics: Computational fluid dynamics, Friction, Heat transfer, Surface roughness, Calibration, Additive manufacturing, Simulation
Journal Articles

Effect of Jet-to-Jet Distance and Pipe Position on Flow and Heat Transfer Features of Active Clearance Control Systems

Lorenzo Cocchi, Alessio Picchi, Bruno Facchini, Riccardo Da Soghe, Lorenzo Mazzei, Lorenzo Tarchi, Laurent Descamps, Maxime Rotenberg
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. April 2022, 144(4): 041010.
Paper No: GTP-21-1543
https://doi.org/10.1115/1.4052953
Published Online: January 21, 2022
View Article titled, Effect of Jet-to-Jet Distance and Pipe Position on Flow and Heat Transfer Features of Active Clearance Control Systems
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Topics: Flow (Dynamics), Heat transfer, Pipes, Rotation, Geometry
Journal Articles

On the Extrapolation of Rim Sealing Performance From Test Bench to Real Engine: A Numerical Survey

Riccardo Da Soghe, Cosimo Bianchini, Lorenzo Mazzei, Alessio Bonini, Luca Innocenti, Daniele Di Benedetto, Lorenzo Orsini
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. April 2022, 144(4): 041001.
Paper No: GTP-21-1493
https://doi.org/10.1115/1.4052879
Published Online: January 4, 2022
View Article titled, On the Extrapolation of Rim Sealing Performance From Test Bench to Real Engine: A Numerical Survey
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Topics: Computational fluid dynamics, Engines, Flow (Dynamics), Sealing (Process), Pressure, Geometry
Proceedings Papers

Effect of Jet-to-Jet Distance and Pipe Position on Flow and Heat Transfer Features of Active Clearance Control Systems

Lorenzo Cocchi, Alessio Picchi, Bruno Facchini, Riccardo Da Soghe, Lorenzo Mazzei, Lorenzo Tarchi, Laurent Descamps, Maxime Rotenberg
Proc. ASME. GT2021, Volume 5B: Heat Transfer — General Interest; Internal Air Systems; Internal Cooling, V05BT14A007, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-59158
https://doi.org/10.1115/GT2021-59158
View Paper titled, Effect of Jet-to-Jet Distance and Pipe Position on Flow and Heat Transfer Features of Active Clearance Control Systems
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Topics: Clearances (Engineering), Control systems, Cooling, Flow (Dynamics), Heat transfer, Pipes
Proceedings Papers

Calibration of a CFD Methodology for the Simulation of Roughness Effects on Friction and Heat Transfer in Additive Manufactured Components

Lorenzo Mazzei, Riccardo Da Soghe, Cosimo Bianchini
Proc. ASME. GT2021, Volume 5B: Heat Transfer — General Interest; Internal Air Systems; Internal Cooling, V05BT13A010, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-59603
https://doi.org/10.1115/GT2021-59603
View Paper titled, Calibration of a CFD Methodology for the Simulation of Roughness Effects on Friction and Heat Transfer in Additive Manufactured Components
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Topics: Additive manufacturing, Calibration, Computational fluid dynamics, Friction, Gas turbines, Heat transfer, Simulation, Surface roughness
Proceedings Papers

Assessment of CFD Models for Multiphase Heat Transfer in Different Boiling Regimes

Cosimo Bianchini, Riccardo Da Soghe, Lorenzo Mazzei, Giuseppe Caggiano, Maddalena Angelucci
Proc. ASME. GT2021, Volume 5B: Heat Transfer — General Interest; Internal Air Systems; Internal Cooling, V05BT13A012, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-59658
https://doi.org/10.1115/GT2021-59658
View Paper titled, Assessment of CFD Models for Multiphase Heat Transfer in Different Boiling Regimes
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Topics: Boiling, Computational fluid dynamics, Heat transfer
Proceedings Papers

On the Extrapolation of Rim Sealing Performance From Test Bench to Real Engine: A Numerical Survey

Riccardo Da Soghe, Cosimo Bianchini, Lorenzo Mazzei, Alessio Bonini, Luca Innocenti, Daniele Di Benedetto, Lorenzo Orsini
Proc. ASME. GT2021, Volume 5B: Heat Transfer — General Interest; Internal Air Systems; Internal Cooling, V05BT14A004, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-59076
https://doi.org/10.1115/GT2021-59076
View Paper titled, On the Extrapolation of Rim Sealing Performance From Test Bench to Real Engine: A Numerical Survey
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Topics: Engines, Sealing (Process), Computation, Flow (Dynamics), Annulus, Geometry, Blades, Computational fluid dynamics, Design, Mach number
Journal Articles

Development of Experimental and Numerical Methods for the Analysis of Active Clearance Control Systems

Riccardo Da Soghe, Lorenzo Mazzei, Lorenzo Tarchi, Lorenzo Cocchi, Alessio Picchi, Bruno Facchini, Laurent Descamps, Julian Girardeau, Matthieu Simon
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. February 2021, 143(2): 021018.
Paper No: GTP-20-1564
https://doi.org/10.1115/1.4049354
Published Online: January 28, 2021
View Article titled, Development of Experimental and Numerical Methods for the Analysis of Active Clearance Control Systems
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Topics: Clearances (Engineering), Computational fluid dynamics, Design, Flow (Dynamics), Heat conduction, Heat transfer, Jets, Pressure, Reynolds number, Reynolds-averaged Navier–Stokes equations
Proceedings Papers

Design of a Non-Reactive Warm Rig With Real Lean-Premix Combustor Swirlers and Film-Cooled First Stage Nozzles

Simone Cubeda, Tommaso Bacci, Lorenzo Mazzei, Simone Salvadori, Bruno Facchini, Lorenzo Fiorineschi, Yary Volpe
Proc. ASME. GT2020, Volume 7A: Heat Transfer, V07AT11A001, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-14186
https://doi.org/10.1115/GT2020-14186
View Paper titled, Design of a Non-Reactive Warm Rig With Real Lean-Premix Combustor Swirlers and Film-Cooled First Stage Nozzles
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Topics: Combustion chambers, Design, Gas turbines, Nozzles, Swirling flow, Turbines
Proceedings Papers

Application of Uncertainty Quantification Methods to the Prediction of Effusion Cooled Combustor Liner Temperature

Andrea Gamannossi, Alberto Amerini, Matteo Poggiali, Carlo Alberto Elmi, Lorenzo Mazzei, Antonio Andreini
Proc. ASME. GT2020, Volume 7A: Heat Transfer, V07AT11A005, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-14793
https://doi.org/10.1115/GT2020-14793
View Paper titled, Application of Uncertainty Quantification Methods to the Prediction of Effusion Cooled Combustor Liner Temperature
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Topics: Chaos, Combustion chambers, Gas turbines, Polynomials, Temperature, Uncertainty quantification
Proceedings Papers

Numerical Modeling of Gaseous Partially Premixed Low-Swirl Lifted Flame at Elevated Pressure

Leonardo Langone, Julia Sedlmaier, Pier Carlo Nassini, Lorenzo Mazzei, Stefan Harth, Antonio Andreini
Proc. ASME. GT2020, Volume 4B: Combustion, Fuels, and Emissions, V04BT04A068, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-16305
https://doi.org/10.1115/GT2020-16305
View Paper titled, Numerical Modeling of Gaseous Partially Premixed Low-Swirl Lifted Flame at Elevated Pressure
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Topics: Computer simulation, Flames, Pressure, Nozzles, Emissions, Gas turbines, Chemiluminescence, Combustion, Computer software, Ejectors