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Journal Articles

Characteristics of Deterministic and Stochastic Unsteadiness of Trailing Edge Cutback Film Cooling Flows

Xiao He, Francesco Montomoli, Vittorio Michelassi, Andrea Panizza, Leonardo Pulga
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. January 2025, 147(1): 011009.
Paper No: TURBO-24-1115
https://doi.org/10.1115/1.4066276
Published Online: September 3, 2024
View Article titled, Characteristics of Deterministic and Stochastic Unsteadiness of Trailing Edge Cutback Film Cooling Flows
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Topics: Anisotropy, Cooling, Film cooling, Flow (Dynamics), Heat flux, Reynolds-averaged Navier–Stokes equations, Stress tensors, Turbulence, Vortex shedding, Kinetic energy
Proceedings Papers

Characteristics of Deterministic and Stochastic Unsteadiness of Trailing Edge Cutback Film Cooling Flows

Xiao He, Francesco Montomoli, Vittorio Michelassi, Andrea Panizza, Leonardo Pulga
Proc. ASME. GT2024, Volume 7: Heat Transfer: Combustors; Heat Transfer: Film Cooling, V007T12A011, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-123002
https://doi.org/10.1115/GT2024-123002
View Paper titled, Characteristics of Deterministic and Stochastic Unsteadiness of Trailing Edge Cutback Film Cooling Flows
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Topics: Film cooling, Flow (Dynamics), Heat flux, Stress tensors, Cooling, Errors, Anisotropy, Cooling systems, Design, Detached eddy simulation
Proceedings Papers

Understanding the Aerodynamic Damping Behavior of an Industrial Axial Compressor Rotor With Multi-Row Effects

Lorenzo Pinelli, Dario Vienni, Libero Tapinassi, Vittorio Michelassi, Corrado Burberi, Salvatore Lorusso, Mirko Ignesti, Michele Marconcini
Proc. ASME. GT2024, Volume 10A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics; Emerging Methods in Engineering Design, Analysis, and Additive Manufacturing, V10AT21A016, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-128729
https://doi.org/10.1115/GT2024-128729
View Paper titled, Understanding the Aerodynamic Damping Behavior of an Industrial Axial Compressor Rotor With Multi-Row Effects
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Topics: Compressors, Damping, Rotors
Proceedings Papers

Impact of Different Equations of State in the Turboexpander Design for Allam Cycle

Emanuela Alfarano, Vittorio Michelassi, Francesco Fantozzi
Proc. ASME. GT2024, Volume 11: Supercritical CO2, V011T28A029, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-127937
https://doi.org/10.1115/GT2024-127937
View Paper titled, Impact of Different Equations of State in the Turboexpander Design for Allam Cycle
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Topics: Cycles, Design, Energy generation, Equations of state, Turbines
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)
Journal Articles

Axial Compressor Transonic Rotor Shock Interaction With Upstream Stator Row

Vittorio Michelassi, Corrado Burberi, Satish Koyyalamudi, Salvatore Lorusso, Alberto Scotti Del Greco
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. September 2024, 146(9): 091011.
Paper No: TURBO-23-1320
https://doi.org/10.1115/1.4065203
Published Online: April 16, 2024
View Article titled, Axial Compressor Transonic Rotor Shock Interaction With Upstream Stator Row
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Topics: Compressors, Computational fluid dynamics, Design, Pressure, Rotors, Shock (Mechanics), Stators, Flow (Dynamics), Mach number
Proceedings Papers

Analysis of Combustor-Turbine Interaction by Using Coupled and Decoupled Scale-Resolving Simulations Under Representative Operating Conditions

Stella Grazia Tomasello, Antonio Andreini, Roberto Meloni, Simone Cubeda, Luca Andrei, Vittorio Michelassi
Proc. ASME. GT2023, Volume 7A: Heat Transfer — Combustors; Film Cooling, V07AT11A007, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-103853
https://doi.org/10.1115/GT2023-103853
View Paper titled, Analysis of Combustor-Turbine Interaction by Using Coupled and Decoupled Scale-Resolving Simulations Under Representative Operating Conditions
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Topics: Combustion chambers, Computational fluid dynamics, Simulation, Turbines
Proceedings Papers

Axial Compressor Transonic Rotor Shock Interaction With Upstream Stator Row

V. V. N. K. Satish Koyyalamudi, Corrado Burberi, Salvatore Lorusso, Vittorio Michelassi, Alberto Scotti Del Greco
Proc. ASME. GT2023, Volume 13A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V13AT29A034, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-103109
https://doi.org/10.1115/GT2023-103109
View Paper titled, Axial Compressor Transonic Rotor Shock Interaction With Upstream Stator Row
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Topics: Boundary layers, Compressors, Rotors, Shock (Mechanics), Stators
Proceedings Papers

CFD Model and Design for Gas Turbine Inlet Plenum With EGR

Ravindra Devi, Salvatore Lorusso, Vittorio Michelassi, Alberto Scotti Del Greco
Proc. ASME. GT2023, Volume 13C: Turbomachinery — Deposition, Erosion, Fouling, and Icing; Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V13CT32A020, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-102373
https://doi.org/10.1115/GT2023-102373
View Paper titled, CFD Model and Design for Gas Turbine Inlet Plenum With EGR
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Topics: Carbon capture and storage, Computational fluid dynamics, Design, Exhaust gas recirculation, Flow (Dynamics), Gas turbines, Modeling, Retrofitting
Proceedings Papers

Numerical Investigation of Liquid Film Formation and Erosion Risk in an Axial Compressor Subject to Water Washing by Means of a Droplets Distribution Statistical Analysis

Giuliano Agati, Domenico Borello, Adriano Evangelisti, Serena Gabriele, Vittorio Michelassi, Paolo Venturini
Proc. ASME. GT2023, Volume 13C: Turbomachinery — Deposition, Erosion, Fouling, and Icing; Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V13CT31A011, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-103854
https://doi.org/10.1115/GT2023-103854
View Paper titled, Numerical Investigation of Liquid Film Formation and Erosion Risk in an Axial Compressor Subject to Water Washing by Means of a Droplets Distribution Statistical Analysis
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Topics: Compressors, Drops, Erosion, Liquid films, Risk, Statistical analysis, Water
Journal Articles

Techno-Economic Comparison of Several Technologies for Waste Heat Recovery of Gas Turbine Exhausts

Alessandra Ghilardi, Guido Francesco Frate, Andrea Baccioli, Dario Ulivieri, Lorenzo Ferrari, Umberto Desideri, Lorenzo Cosi, Simone Amidei, Vittorio Michelassi
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. May 2023, 145(5): 051006.
Paper No: GTP-22-1467
https://doi.org/10.1115/1.4055872
Published Online: December 20, 2022
View Article titled, Techno-Economic Comparison of Several Technologies for Waste Heat Recovery of Gas Turbine Exhausts
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Topics: Cycles, Organic Rankine cycle, Temperature, Water, Economics , Carbon dioxide, Fluids, Exhaust systems, Turbines, Cascades (Fluid dynamics)
Proceedings Papers

Techno-Economic Comparison of Several Technologies for the Waste Heat Recovery From Gas Turbine Exhausts

Alessandra Ghilardi, Guido Francesco Frate, Andrea Baccioli, Dario Ulivieri, Lorenzo Ferrari, Umberto Desideri, Lorenzo Cosi, Simone Amidei, Vittorio Michelassi
Proc. ASME. GT2022, Volume 4: Cycle Innovations; Cycle Innovations: Energy Storage, V004T06A033, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-83199
https://doi.org/10.1115/GT2022-83199
View Paper titled, Techno-Economic Comparison of Several Technologies for the Waste Heat Recovery From Gas Turbine Exhausts
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Topics: Economics , Gas turbines, Heat recovery, Cycles, Organic Rankine cycle, Rankine cycle, Water, Carbon dioxide, Exhaust systems, Steam
Proceedings Papers

Numerical Study of Combustor-Turbine Interaction by Using Hybrid RANS-LES Approach

Stella Grazia Tomasello, Antonio Andreini, Roberto Meloni, Simone Cubeda, Luca Andrei, Vittorio Michelassi
Proc. ASME. GT2022, Volume 6A: Heat Transfer — Combustors; Film Cooling, V06AT11A005, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-82139
https://doi.org/10.1115/GT2022-82139
View Paper titled, Numerical Study of Combustor-Turbine Interaction by Using Hybrid RANS-LES Approach
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Topics: Combustion chambers, Gas turbines, Reynolds-averaged Navier–Stokes equations, Turbines
Journal Articles

Machine Learning for the Development of Data-Driven Turbulence Closures in Coolant Systems

James Hammond, Francesco Montomoli, Marco Pietropaoli, Richard D. Sandberg, Vittorio Michelassi
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. August 2022, 144(8): 081003.
Paper No: TURBO-20-1174
https://doi.org/10.1115/1.4053533
Published Online: March 3, 2022
View Article titled, Machine Learning for the Development of Data-Driven Turbulence Closures in Coolant Systems
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Topics: Anisotropy, Design, Errors, Flow (Dynamics), Geometry, Heat transfer, Reynolds-averaged Navier–Stokes equations, Tensors, Testing, Turbulence
Journal Articles

Analysis of Measured and Predicted Turbine Maps From Start-Up to Design Point

Alberto Scotti del Greco, Sara Biagiotti, Vittorio Michelassi, Tomasz Jurek, Daniele Di Benedetto, Stefano Francini, Michele Marconcini
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. August 2022, 144(8): 081009.
Paper No: TURBO-21-1256
https://doi.org/10.1115/1.4053656
Published Online: March 3, 2022
View Article titled, Analysis of Measured and Predicted Turbine Maps From Start-Up to Design Point
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Topics: Blades, Computational fluid dynamics, Design, Flow (Dynamics), Pressure, Rotors, Turbines, Torque
Proceedings Papers

Numerical Model for Condensing Steam Through Labyrinth Seal

Ravindra G. Devi, Satyanarayanan Seshadri, Vittorio Michelassi
Proc. ASME. GT2021, Volume 8: Oil and Gas Applications; Steam Turbine, V008T22A007, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-58736
https://doi.org/10.1115/GT2021-58736
View Paper titled, Numerical Model for Condensing Steam Through Labyrinth Seal
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Topics: Computer simulation, Condensation, Drops, Leakage flows, Nucleation (Physics), Steam, Condensed matter, Flow (Dynamics), Subcooling, Computational fluid dynamics
Journal Articles

Design, Testing, and Performance Impact of Exhaust Diffusers in Aero-Derivative Gas Turbines for Mechanical Drive Applications

Alberto Scotti Del Greco, Tomasz Jurek, Vittorio Michelassi, Daniele Di Benedetto
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. June 2021, 143(6): 061016.
Paper No: TURBO-19-1311
https://doi.org/10.1115/1.4048795
Published Online: May 19, 2021
View Article titled, Design, Testing, and Performance Impact of Exhaust Diffusers in Aero-Derivative Gas Turbines for Mechanical Drive Applications
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Topics: Computational fluid dynamics, Design, Diffusers, Exhaust systems, Flow (Dynamics), Pressure, Turbines, Gas turbines, Mechanical drives
Proceedings Papers

Machine Learning for the Development of Data Driven Turbulence Closures in Coolant Systems

James Hammond, Francesco Montomoli, Marco Pietropaoli, Richard D. Sandberg, Vittorio Michelassi
Proc. ASME. GT2020, Volume 7A: Heat Transfer, V07AT15A026, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-15928
https://doi.org/10.1115/GT2020-15928
View Paper titled, Machine Learning for the Development of Data Driven Turbulence Closures in Coolant Systems
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Topics: Coolants, Machine learning, Turbulence, Design, Cooling, Geometry, Heat transfer, Reynolds-averaged Navier–Stokes equations, Additive manufacturing, Computer programming
Proceedings Papers

Analysis of Measured and Predicted Turbine Maps From Start-Up to Design Point

Alberto Scotti del Greco, Sara Biagiotti, Vittorio Michelassi, Tomasz Jurek, Daniele Di Benedetto, Stefano Francini, Michele Marconcini
Proc. ASME. GT2020, Volume 2B: Turbomachinery, V02BT33A023, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-15484
https://doi.org/10.1115/GT2020-15484
View Paper titled, Analysis of Measured and Predicted Turbine Maps From Start-Up to Design Point
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Topics: Computational fluid dynamics, Design, Turbines
Journal Articles

Loss Analysis of Unsteady Turbomachinery Flows Based on the Mechanical Work Potential

John Leggett, Edward Richardson, Stephan Priebe, Aamir Shabbir, Vittorio Michelassi, Richard Sandberg
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. November 2020, 142(11): 111009.
Paper No: TURBO-20-1041
https://doi.org/10.1115/1.4048162
Published Online: October 16, 2020
View Article titled, Loss Analysis of Unsteady Turbomachinery Flows Based on the Mechanical Work Potential
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Topics: Blades, Compressors, Energy dissipation, Flow (Dynamics), Pressure, Simulation, Turbomachinery, Turbulence, Wakes, Reynolds-averaged Navier–Stokes equations