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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

J. Eng. Gas Turbines Power. May 2023, 145(5): 051006.

Paper No: GTP-22-1467

DOI: https://doi.org/10.1115/1.4055872

Published Online: December 20, 2022

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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

Paper No: GT2022-83199

DOI: https://doi.org/10.1115/GT2022-83199

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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

Paper No: GT2022-82139

DOI: https://doi.org/10.1115/GT2022-82139

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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

J. Turbomach. August 2022, 144(8): 081003.

Paper No: TURBO-20-1174

DOI: https://doi.org/10.1115/1.4053533

Published Online: March 3, 2022

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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

J. Turbomach. August 2022, 144(8): 081009.

Paper No: TURBO-21-1256

DOI: https://doi.org/10.1115/1.4053656

Published Online: March 3, 2022

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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

Paper No: GT2021-58736

DOI: https://doi.org/10.1115/GT2021-58736

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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

J. Turbomach. June 2021, 143(6): 061016.

Paper No: TURBO-19-1311

DOI: https://doi.org/10.1115/1.4048795

Published Online: May 19, 2021

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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

Paper No: GT2020-15928

DOI: https://doi.org/10.1115/GT2020-15928

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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

Paper No: GT2020-15484

DOI: https://doi.org/10.1115/GT2020-15484

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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

J. Turbomach. November 2020, 142(11): 111009.

Paper No: TURBO-20-1041

DOI: https://doi.org/10.1115/1.4048162

Published Online: October 16, 2020

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Topics: Blades, Compressors, Energy dissipation, Flow (Dynamics), Pressure, Simulation, Turbomachinery, Turbulence, Wakes, Reynolds-averaged Navier–Stokes equations

Journal Articles

Impact of Turbine Center Frame Wakes on Downstream Rows in Heavy-Duty Low-Pressure Turbine

Sara Biagiotti, Juri Bellucci, Michele Marconcini, Andrea Arnone, Gino Baldi, Mirko Ignesti, Vittorio Michelassi, Libero Tapinassi

J. Turbomach. January 2020, 142(1): 011006.

Paper No: TURBO-19-1160

DOI: https://doi.org/10.1115/1.4045348

Published Online: December 17, 2019

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Topics: Blades, Design, Pressure, Stress, Turbines, Wakes, Nozzle guide vanes, Computational fluid dynamics, Flow (Dynamics)

Journal Articles

Large-Eddy Simulation and RANS Analysis of the End-Wall Flow in a Linear Low-Pressure Turbine Cascade, Part I: Flow and Secondary Vorticity Fields Under Varying Inlet Condition

Richard Pichler, Yaomin Zhao, Richard Sandberg, Vittorio Michelassi, Roberto Pacciani, Michele Marconcini, Andrea Arnone

J. Turbomach. December 2019, 141(12): 121005.

Paper No: TURBO-19-1065

DOI: https://doi.org/10.1115/1.4045080

Published Online: November 8, 2019

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Topics: Boundary layers, Flow (Dynamics), Large eddy simulation, Pressure, Reynolds-averaged Navier–Stokes equations, Blades, Vortices, Turbines, Simulation, Cascades (Fluid dynamics)

Proceedings Papers

Analysis of the Self-Excited Dynamics of a Heavy-Duty Annular Combustion Chamber by Large-Eddy Simulation

Vittorio Michelassi, Roberto Meloni, Giovanni Riccio, Gianni Ceccherini

Proc. ASME. GT2019, Volume 4A: Combustion, Fuels, and Emissions, V04AT04A045, June 17–21, 2019

Paper No: GT2019-90793

DOI: https://doi.org/10.1115/GT2019-90793

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Topics: Combustion chambers, Dynamics (Mechanics), Large eddy simulation, Combustion, Flow (Dynamics), Design, Engineering simulation, Gas turbines, Simulation, Test facilities

Proceedings Papers

A Passive Flow Control to Mitigate the Corner Separation in an Axial Compressor by a Slotted Rotor Blade

Sungho Yoon, Rao Ajay, Venkata Chaluvadi, Vittorio Michelassi, Ramakrishna Mallina

Proc. ASME. GT2019, Volume 2A: Turbomachinery, V02AT39A017, June 17–21, 2019

Paper No: GT2019-90754

DOI: https://doi.org/10.1115/GT2019-90754

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Topics: Blades, Compressors, Corners (Structural elements), Flow control, Rotors, Separation (Technology), Flow (Dynamics), Suction, Momentum, Pressure

Proceedings Papers

Impact of Turbine Center Frame Wakes on Downstream Rows in Heavy Duty Low Pressure Turbine

Sara Biagiotti, Juri Bellucci, Michele Marconcini, Andrea Arnone, Gino Baldi, Mirko Ignesti, Vittorio Michelassi, Libero Tapinassi

Proc. ASME. GT2019, Volume 2A: Turbomachinery, V02AT45A007, June 17–21, 2019

Paper No: GT2019-90721

DOI: https://doi.org/10.1115/GT2019-90721

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Topics: Pressure, Turbines, Wakes, Design, Blades, Rotors, Nozzle guide vanes, Stress, Annulus, Computation

Proceedings Papers

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

Alberto Scotti Del Greco, Tomasz Jurek, Daniele Di Benedetto, Vittorio Michelassi, Giacomo Ragni, Enrico Beghini, Maria Vittoria Borghesi

Proc. ASME. GT2019, Volume 2B: Turbomachinery, V02BT40A017, June 17–21, 2019

Paper No: GT2019-91262

DOI: https://doi.org/10.1115/GT2019-91262

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Topics: Design, Diffusers, Exhaust systems, Gas turbines, Mechanical drives, Testing, Turbines, Engines, Aircraft engines, Computational fluid dynamics

Proceedings Papers

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

John Leggett, Edward Richardson, Stephan Priebe, Aamir Shabbir, Vittorio Michelassi, Richard Sandberg

Proc. ASME. GT2019, Volume 2A: Turbomachinery, V02AT45A021, June 17–21, 2019

Paper No: GT2019-91253

DOI: https://doi.org/10.1115/GT2019-91253

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Topics: Flow (Dynamics), Turbomachinery, Compressors, Cascades (Fluid dynamics), Pressure, Reynolds-averaged Navier–Stokes equations, Wakes, Blades, Energy dissipation, Engines

Proceedings Papers

The Impact of Model Assumptions on the CFD Assisted Design of Gas Turbine Packages

Gabriele Lucherini, Vittorio Michelassi, Stefano Minotti

Proc. ASME. GT2019, Volume 9: Oil and Gas Applications; Supercritical CO2 Power Cycles; Wind Energy, V009T27A020, June 17–21, 2019

Paper No: GT2019-90871

DOI: https://doi.org/10.1115/GT2019-90871

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Topics: Computational fluid dynamics, Design, Gas turbines, Flow (Dynamics), Leakage, Temperature, Simulation, Ventilation, Acoustics, Diffusion (Physics)

Journal Articles

Analysis of the Self-Excited Dynamics of a Heavy-Duty Annular Combustion Chamber by Large-Eddy Simulation

Roberto Meloni, Gianni Ceccherini, Vittorio Michelassi, Giovanni Riccio

J. Eng. Gas Turbines Power. November 2019, 141(11): 111016.

Paper No: GTP-19-1311

DOI: https://doi.org/10.1115/1.4044929

Published Online: October 18, 2019

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Topics: Combustion, Combustion chambers, Dynamics (Mechanics), Fuels, Large eddy simulation, Pressure, Flames, Temperature, Flow (Dynamics)

Journal Articles

Aeroderivative Mechanical Drive Gas Turbines: The Design of Intermediate Pressure Turbines

Alberto Scotti Del Greco, Vittorio Michelassi, Stefano Francini, Daniele Di Benedetto, Mahendran Manoharan

J. Turbomach. August 2019, 141(8): 081007.

Paper No: TURBO-18-1354

DOI: https://doi.org/10.1115/1.4043120

Published Online: March 28, 2019

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Topics: Design, Flow (Dynamics), Pressure, Turbines, Gas turbines, Computational fluid dynamics, Stators, Blades, Rotors

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Journal citation

NARROW

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

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

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

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

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

Numerical Model for Condensing Steam Through Labyrinth Seal

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

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

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

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

Impact of Turbine Center Frame Wakes on Downstream Rows in Heavy-Duty Low-Pressure Turbine

Large-Eddy Simulation and RANS Analysis of the End-Wall Flow in a Linear Low-Pressure Turbine Cascade, Part I: Flow and Secondary Vorticity Fields Under Varying Inlet Condition

Analysis of the Self-Excited Dynamics of a Heavy-Duty Annular Combustion Chamber by Large-Eddy Simulation

A Passive Flow Control to Mitigate the Corner Separation in an Axial Compressor by a Slotted Rotor Blade

Impact of Turbine Center Frame Wakes on Downstream Rows in Heavy Duty Low Pressure Turbine

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

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

The Impact of Model Assumptions on the CFD Assisted Design of Gas Turbine Packages

Analysis of the Self-Excited Dynamics of a Heavy-Duty Annular Combustion Chamber by Large-Eddy Simulation

Aeroderivative Mechanical Drive Gas Turbines: The Design of Intermediate Pressure Turbines

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