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Journal Articles

Validation of an Analytical Model for the Acoustic Impedance Eduction of Multi-Cavity Resonant Liners by a High-Fidelity LES Approach

Simone Giaccherini, Lorenzo Pinelli, Michele Marconcini, Roberto Pacciani, Andrea Arnone

J. Turbomach.

Paper No: TURBO-22-1270

DOI: https://doi.org/10.1115/1.4056984

Published Online: February 24, 2023

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Topics: Acoustics, Cavities, Design, Resonance, Turbochargers, Computational fluid dynamics, Emissions, Engineering simulation, Noise (Sound), Simulation

Proceedings Papers

Validation of an Analytical Model for the Acoustic Impedance Eduction of Multi-Cavity Resonant Liners by a High-Fidelity LES Approach

Simone Giaccherini, Lorenzo Pinelli, Michele Marconcini, Roberto Pacciani, Andrea Arnone

Proc. ASME. GT2022, Volume 10C: Turbomachinery — Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V10CT33A007, June 13–17, 2022

Paper No: GT2022-81984

DOI: https://doi.org/10.1115/GT2022-81984

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Topics: Acoustics, Cavities, Resonance, Design, Emissions, Engineering simulation, Noise (Sound), Simulation, Absorption, Air traffic control

Proceedings Papers

The Effects of Swirling Flows in Entropy Wave Convection Through High Pressure Turbine Stage

Lorenzo Pinelli, Michele Marconcini, Roberto Pacciani, Andrea Notaristefano, Paolo Gaetani

Proc. ASME. GT2022, Volume 10D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Turbomachinery General Interest; Unsteady Flows in Turbomachinery, V10DT37A020, June 13–17, 2022

Paper No: GT2022-82594

DOI: https://doi.org/10.1115/GT2022-82594

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Topics: Convection, Entropy, High pressure (Physics), Swirling flow, Turbines, Waves, Combustion chambers, Computer simulation, Flow (Dynamics), Fluctuations (Physics)

Proceedings Papers

Exploiting GPU-Based HPC Architectures to Accelerate an Unsteady CFD Solver for Turbomachinery Applications

Francesco Poli, Michele Marconcini, Roberto Pacciani, Donato Magarielli, Ennio Spano, Andrea Arnone

Proc. ASME. GT2022, Volume 10C: Turbomachinery — Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V10CT32A035, June 13–17, 2022

Paper No: GT2022-82569

DOI: https://doi.org/10.1115/GT2022-82569

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Topics: Architecture, Computational fluid dynamics, Graphics processing units, Turbomachinery, Hardware, Computer simulation, Engines, Aircraft engines, Computer software, Fuel consumption

Proceedings Papers

Impact of Operating Conditions on Rotor/Stator Interaction of a High-Pressure Ratio Centrifugal Compressor

Fabrizio Lottini, Andrea Agnolucci, Lorenzo Pinelli, Roberto Pacciani, Lorenzo Toni, Alberto Guglielmo, Angelo Grimaldi

Proc. ASME. GT2022, Volume 10B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing; Radial Turbomachinery Aerodynamics, V10BT35A007, June 13–17, 2022

Paper No: GT2022-82108

DOI: https://doi.org/10.1115/GT2022-82108

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Topics: Compressors, High pressure (Physics), Rotors, Stators, Design, Machinery, Acoustics, Chain, Computational fluid dynamics, Engineering simulation

Proceedings Papers

Multi-Objective Development of Machine-Learnt Closures for Fully Integrated Transition and Wake Mixing Predictions in Low Pressure Turbines

Harshal D. Akolekar, Fabian Waschkowski, Roberto Pacciani, Yaomin Zhao, Richard D. Sandberg

Proc. ASME. GT2022, Volume 10C: Turbomachinery — Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V10CT32A013, June 13–17, 2022

Paper No: GT2022-81091

DOI: https://doi.org/10.1115/GT2022-81091

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Topics: Machinery, Pressure, Turbines, Wakes, Blades, Computational fluid dynamics, Machine learning, Boundary layers, Reynolds number, Reynolds-averaged Navier–Stokes equations

Journal Articles

The Effects of Swirling Flows in Entropy Wave Convection Through High-Pressure Turbine Stage

Lorenzo Pinelli, Michele Marconcini, Roberto Pacciani, Andrea Notaristefano, Paolo Gaetani

J. Turbomach. March 2023, 145(3): 031004.

Paper No: TURBO-22-1236

DOI: https://doi.org/10.1115/1.4055613

Published Online: October 17, 2022

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Topics: Entropy, Flow (Dynamics), Stators, Swirling flow, Temperature, Turbines, Waves, Rotors, Noise (Sound), Blades

Journal Articles

Integration of Machine Learning and Computational Fluid Dynamics to Develop Turbulence Models for Improved Low-Pressure Turbine Wake Mixing Prediction

Harshal D. Akolekar, Yaomin Zhao, Richard D. Sandberg, Roberto Pacciani

J. Turbomach. December 2021, 143(12): 121001.

Paper No: TURBO-20-1427

DOI: https://doi.org/10.1115/1.4051417

Published Online: June 23, 2021

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Topics: Blades, Computational fluid dynamics, Reynolds-averaged Navier–Stokes equations, Turbines, Wakes, Flow (Dynamics), Turbulence, Pressure, Model development, Machine learning

Journal Articles

Computational and Experimental Study of the Unsteady Convection of Entropy Waves Within a High-Pressure Turbine Stage

Lorenzo Pinelli, Michele Marconcini, Roberto Pacciani, Paolo Gaetani, Giacomo Persico

J. Turbomach. September 2021, 143(9): 091011.

Paper No: TURBO-20-1381

DOI: https://doi.org/10.1115/1.4050600

Published Online: May 12, 2021

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Topics: Blades, Entropy, Flow (Dynamics), Rotors, Stators, Temperature, Turbines, Waves, Fluctuations (Physics), Pressure

Proceedings Papers

Integration of Machine Learning and Computational Fluid Dynamics to Develop Turbulence Models for Improved Turbine Wake Mixing Prediction

Harshal D. Akolekar, Yaomin Zhao, Richard D. Sandberg, Roberto Pacciani

Proc. ASME. GT2020, Volume 2C: Turbomachinery, V02CT35A020, September 21–25, 2020

Paper No: GT2020-14732

DOI: https://doi.org/10.1115/GT2020-14732

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Topics: Computational fluid dynamics, Machine learning, Turbines, Turbulence, Wakes, Reynolds-averaged Navier–Stokes equations, Model development, Computer programming, Diffusion (Physics), Modeling

Proceedings Papers

Prediction of Tip Leakage Vortex Dynamics in an Axial Compressor Cascade Using RANS Analyses

Martina Ricci, Roberto Pacciani, Michele Marconcini, Andrea Arnone

Proc. ASME. GT2020, Volume 2C: Turbomachinery, V02CT35A021, September 21–25, 2020

Paper No: GT2020-14797

DOI: https://doi.org/10.1115/GT2020-14797

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Topics: Cascades (Fluid dynamics), Compressors, Dynamics (Mechanics), Leakage, Reynolds-averaged Navier–Stokes equations, Vortices, Blades, Design, Flow (Dynamics), Turbulence

Proceedings Papers

Computational and Experimental Study of the Unsteady Convection of Entropy Waves Within a High Pressure Turbine Stage

Lorenzo Pinelli, Michele Marconcini, Roberto Pacciani, Paolo Gaetani, Giacomo Persico

Proc. ASME. GT2020, Volume 2E: Turbomachinery, V02ET41A015, September 21–25, 2020

Paper No: GT2020-14725

DOI: https://doi.org/10.1115/GT2020-14725

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Topics: Convection, Entropy, High pressure (Physics), Turbines, Waves, Computational fluid dynamics, Engineering simulation, Simulation, Temperature, Fluctuations (Physics)

Journal Articles

Computational and Experimental Study of Hot Streak Transport Within the First Stage of a Gas Turbine

Paolo Gaetani, Giacomo Persico, Lorenzo Pinelli, Michele Marconcini, Roberto Pacciani

J. Turbomach. August 2020, 142(8): 081002.

Paper No: TURBO-19-1269

DOI: https://doi.org/10.1115/1.4045961

Published Online: July 28, 2020

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

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

CFD-Based Throughflow Analysis of Transonic Flows in Steam Turbines

Martina Ricci, Roberto Pacciani, Michele Marconcini, Paolo Macelloni, Stefano Cecchi, Claudio Bettini

Proc. ASME. GT2019, Volume 2C: Turbomachinery, V02CT41A021, June 17–21, 2019

Paper No: GT2019-90851

DOI: https://doi.org/10.1115/GT2019-90851

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Topics: Computational fluid dynamics, Steam turbines, Transonic flow, Flow (Dynamics), Pressure, Blades, Design, Gas flow, Leakage, Rotors

Proceedings Papers

Computational and Experimental Study of Hot Streak Transport Within the First Stage of a Gas Turbine

Paolo Gaetani, Giacomo Persico, Lorenzo Pinelli, Michele Marconcini, Roberto Pacciani

Proc. ASME. GT2019, Volume 2A: Turbomachinery, V02AT45A022, June 17–21, 2019

Paper No: GT2019-91276

DOI: https://doi.org/10.1115/GT2019-91276

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Topics: Gas turbines, Blades, Computational fluid dynamics, Engineering simulation, Flow (Dynamics), Simulation, Temperature, Rotors, Stators, Turbines

Journal Articles

Computational Fluid Dynamics-Based Throughflow Analysis of Transonic Flows in Steam Turbines

Martina Ricci, Roberto Pacciani, Michele Marconcini, Paolo Macelloni, Stefano Cecchi, Claudio Bettini

J. Turbomach. November 2019, 141(11): 111005.

Paper No: TURBO-19-1161

DOI: https://doi.org/10.1115/1.4044871

Published Online: October 10, 2019

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Topics: Blades, Computational fluid dynamics, Flow (Dynamics), Pressure, Steam turbines, Turbines, Rotors, Design, Supersonic flow

Journal Articles

Large Eddy Simulation and RANS Analysis of the End-Wall Flow in a Linear Low-Pressure-Turbine Cascade—Part II: Loss Generation

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

J. Turbomach. May 2019, 141(5): 051004.

Paper No: TURBO-18-1214

DOI: https://doi.org/10.1115/1.4042208

Published Online: January 21, 2019

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

Proceedings Papers

LES and RANS Analysis of the End-Wall Flow in a Linear LPT Cascade With Variable Inlet Conditions: Part II — Loss Generation

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

Proc. ASME. GT2018, Volume 2B: Turbomachinery, V02BT41A024, June 11–15, 2018

Paper No: GT2018-76450

DOI: https://doi.org/10.1115/GT2018-76450

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Topics: Cascades (Fluid dynamics), Flow (Dynamics), Reynolds-averaged Navier–Stokes equations, Boundary layers, Design, Blades, Pressure, Turbines, Vortices, Computational fluid dynamics

Proceedings Papers

Low-Pressure Turbine Cascade Performance Calculations With Incidence Variation and Periodic Unsteady Inflow Conditions

Michele Marconcini, Roberto Pacciani, Andrea Arnone, Francesco Bertini

Proc. ASME. GT2015, Volume 2A: Turbomachinery, V02AT38A006, June 15–19, 2015

Paper No: GT2015-42276

DOI: https://doi.org/10.1115/GT2015-42276

View Paper

Topics: Cascades (Fluid dynamics), Inflow, Pressure, Turbines, Boundary-value problems, Design, Flow (Dynamics), Reynolds number, Boundary layers, Computation

Journal citation

NARROW

Manuscript

Validation of an Analytical Model for the Acoustic Impedance Eduction of Multi-Cavity Resonant Liners by a High-Fidelity LES Approach

Validation of an Analytical Model for the Acoustic Impedance Eduction of Multi-Cavity Resonant Liners by a High-Fidelity LES Approach

The Effects of Swirling Flows in Entropy Wave Convection Through High Pressure Turbine Stage

Exploiting GPU-Based HPC Architectures to Accelerate an Unsteady CFD Solver for Turbomachinery Applications

Impact of Operating Conditions on Rotor/Stator Interaction of a High-Pressure Ratio Centrifugal Compressor

Multi-Objective Development of Machine-Learnt Closures for Fully Integrated Transition and Wake Mixing Predictions in Low Pressure Turbines

The Effects of Swirling Flows in Entropy Wave Convection Through High-Pressure Turbine Stage

Integration of Machine Learning and Computational Fluid Dynamics to Develop Turbulence Models for Improved Low-Pressure Turbine Wake Mixing Prediction

Computational and Experimental Study of the Unsteady Convection of Entropy Waves Within a High-Pressure Turbine Stage

Integration of Machine Learning and Computational Fluid Dynamics to Develop Turbulence Models for Improved Turbine Wake Mixing Prediction

Prediction of Tip Leakage Vortex Dynamics in an Axial Compressor Cascade Using RANS Analyses

Computational and Experimental Study of the Unsteady Convection of Entropy Waves Within a High Pressure Turbine Stage

Computational and Experimental Study of Hot Streak Transport Within the First Stage of a Gas 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

CFD-Based Throughflow Analysis of Transonic Flows in Steam Turbines

Computational and Experimental Study of Hot Streak Transport Within the First Stage of a Gas Turbine

Computational Fluid Dynamics-Based Throughflow Analysis of Transonic Flows in Steam Turbines

Large Eddy Simulation and RANS Analysis of the End-Wall Flow in a Linear Low-Pressure-Turbine Cascade—Part II: Loss Generation

LES and RANS Analysis of the End-Wall Flow in a Linear LPT Cascade With Variable Inlet Conditions: Part II — Loss Generation

Low-Pressure Turbine Cascade Performance Calculations With Incidence Variation and Periodic Unsteady Inflow Conditions

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