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Proceedings Papers

Unsteady Investigation of Side Loading Effect on Single-Stage Centrifugal Compressors

Marco Bicchi, Fabrizio Lottini, Davide Biliotti, Massimiliano Ortiz Neri, Lorenzo Querini, Cosimo Bianchini
Proc. ASME. GT2024, Volume 12D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V12DT35A019, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-127932
https://doi.org/10.1115/GT2024-127932
View Paper titled, Unsteady Investigation of Side Loading Effect on Single-Stage Centrifugal Compressors
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Topics: Compressors, Computational fluid dynamics, Impellers, Magnetic bearings, Stress
Proceedings Papers

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

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?
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Topics: Compressors, Computational fluid dynamics, Diffusers, Flow (Dynamics), Pressure, Probes, Testing
Proceedings Papers

Numerical and Experimental Aeromechanic Study in High Frequency Domain of Hydrogen Compressor

Ravi Shanmugam Venkatachalam, Manjush Ganiger, Lorenzo Toni, Alberto Guglielmo, Davide Biliotti, Lorenzo Miris
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, V10AT21A002, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-122245
https://doi.org/10.1115/GT2024-122245
View Paper titled, Numerical and Experimental Aeromechanic Study in High Frequency Domain of Hydrogen Compressor
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Topics: Compression, Compressors, Hydrogen
Proceedings Papers

Supercritical CO2 Compressor and Expander Design for Industrial Waste-Heat Valorization

Lorenzo Toni, Valentina Bisio, Alberto Milani, Davide Biliotti, Ernani Fulvio Bellobuono, Roberto Valente, Matteo Dozzini, Manuele Bigi, Giulio Generini
Proc. ASME. GT2023, Volume 12: Supercritical CO2, V012T28A016, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-102558
https://doi.org/10.1115/GT2023-102558
View Paper titled, Supercritical CO2 Compressor and Expander Design for Industrial Waste-Heat Valorization
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Topics: Compressors, Design, Supercritical carbon dioxide, Testing, Waste heat
Proceedings Papers

Integrated Aero-Mechanical Design and Experimental Validation for Next Generation Compressors for Energy Transition

Lorenzo Toni, Alberto Guglielmo, Angelo Grimaldi, Francesco Cangioli, Davide Biliotti, Elisabetta Belardini, Giulia Meazzini, Lorenzo Miris
Proc. ASME. GT2023, Volume 13D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V13DT35A025, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-103817
https://doi.org/10.1115/GT2023-103817
View Paper titled, Integrated Aero-Mechanical Design and Experimental Validation for Next Generation Compressors for Energy Transition
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Topics: Aerodynamics, Compressors, Design, Design engineering
Proceedings Papers

Robust Design of a Vaned Diffuser in a Centrifugal Compressor Stage With a High Load Impeller

Andrea Agnolucci, Michele Marconcini, Davide Biliotti, Lorenzo Toni, Alberto Baroni, Luca Romani, Andrea Arnone
Proc. ASME. GT2023, Volume 13D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V13DT35A022, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-103585
https://doi.org/10.1115/GT2023-103585
View Paper titled, Robust Design of a Vaned Diffuser in a Centrifugal Compressor Stage With a High Load Impeller
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Topics: Compressors, Design, Diffusers, Impellers, Stress, Clearances (Engineering), High pressure (Physics), Geometry, Machinery, Manufacturing
Proceedings Papers

A Two-Step Approach for Centrifugal Compressor Performance Mapping Based on a Reduced-Order Model and an Evolutionary Algorithm

Marco Bicchi, Davide Biliotti, Lorenzo Toni, Michele Marconcini, Angelo Grimaldi, Andrea Arnone
Proc. ASME. GT2023, Volume 13D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V13DT35A009, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-102252
https://doi.org/10.1115/GT2023-102252
View Paper titled, A Two-Step Approach for Centrifugal Compressor Performance Mapping Based on a Reduced-Order Model and an Evolutionary Algorithm
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Topics: Compressors, Computational fluid dynamics, Evolutionary algorithms
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

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

Aerodynamic Design, Study, and Performance Mapping of a Radial-Axial Machine for Geothermal Power Plants in Energy Transition Applications

Fabrizio Lottini, Michele Marconcini, Andrea Arnone, Davide Biliotti, Alice Foschini
Proc. ASME. GT2023, Volume 13D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V13DT35A014, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-102867
https://doi.org/10.1115/GT2023-102867
View Paper titled, Aerodynamic Design, Study, and Performance Mapping of a Radial-Axial Machine for Geothermal Power Plants in Energy Transition Applications
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Topics: Design, Geothermal power stations, Machinery, Computational fluid dynamics, Architecture, Energy generation, Fluids, Geothermal engineering, Molecular weight, Power stations
Proceedings Papers

Numerical Investigation on Radial Turbines Aerodynamics Aimed at the Definition of Design Rules for Industrial Applications

Fabrizio Lottini, Michele Marconcini, Andrea Arnone, Davide Biliotti, Lorenzo Toni
Proc. ASME. GT2022, Volume 10B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing; Radial Turbomachinery Aerodynamics, V10BT35A009, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-82266
https://doi.org/10.1115/GT2022-82266
View Paper titled, Numerical Investigation on Radial Turbines Aerodynamics Aimed at the Definition of Design Rules for Industrial Applications
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Topics: Aerodynamics, Design, Turbines, Metals, Wheels, Geometry, Stiffness, Flow (Dynamics), Turbochargers, Computational fluid dynamics
Proceedings Papers

Field Testing and Operation of a 300 kW Active Magnetic Bearing Supported Turboexpander-Generator for Natural Gas Pressure Letdown

Rasish Khatri, Larry Hawkins, Jeremy Liu, Massimiliano Ortiz Neri, Francesco Cangioli, Davide Biliotti
Proc. ASME. GT2022, Volume 8A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics; Emerging Methods in Engineering Design, Analysis, and Additive Manufacturing; Fatigue, Fracture, and Life Prediction, V08AT22A015, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-82332
https://doi.org/10.1115/GT2022-82332
View Paper titled, Field Testing and Operation of a 300 kW Active Magnetic Bearing Supported Turboexpander-Generator for Natural Gas Pressure Letdown
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Topics: Bearings, Generators, Joules, Magnetic bearings, Natural gas, Pressure, Testing
Journal Articles

Design and Prototype Test Data for a 300 kW Active Magnetic Bearings-Supported Turbine Generator for Natural Gas Pressure Letdown

Rasish Khatri, Lawrence A. Hawkins, Massimiliano Ortiz Neri, Francesco Cangioli, Davide Biliotti
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. January 2020, 142(1): 011007.
Paper No: GTP-19-1411
https://doi.org/10.1115/1.4045277
Published Online: November 27, 2019
View Article titled, Design and Prototype Test Data for a 300 kW Active Magnetic Bearings-Supported Turbine Generator for Natural Gas Pressure Letdown
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Topics: Bearings, Design, Stress, Thrust, Pressure, Rotors, Generators, Magnetic bearings, Engineering prototypes, Transfer functions
Proceedings Papers

Design Considerations for High Pressure Turbo Expanders Supported by Active Magnetic Bearings

Alice Innocenti, Francesco Cangioli, Giuseppe Iurisci, Davide Biliotti
Proc. ASME. GT2019, Volume 7A: Structures and Dynamics, V07AT36A018, June 17–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-91492
https://doi.org/10.1115/GT2019-91492
View Paper titled, Design Considerations for High Pressure Turbo Expanders Supported by Active Magnetic Bearings
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Topics: Design, High pressure (Physics), Magnetic bearings, Turbochargers, Impellers, Pressure, Rotors, Computational fluid dynamics, Control systems, Density
Proceedings Papers

Design and Prototype Test Data for a 300 kW AMB-Supported Turbine Generator for Natural Gas Pressure Letdown

Rasish Khatri, Larry Hawkins, Massimiliano Ortiz Neri, Francesco Cangioli, Davide Biliotti
Proc. ASME. GT2019, Volume 7B: Structures and Dynamics, V07BT34A030, June 17–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-91172
https://doi.org/10.1115/GT2019-91172
View Paper titled, Design and Prototype Test Data for a 300 kW AMB-Supported Turbine Generator for Natural Gas Pressure Letdown
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Topics: Design, Engineering prototypes, Natural gas, Pressure, Turbogenerators, Bearings, Magnetic bearings, Generators, Dynamics (Mechanics), Machinery
Proceedings Papers

A New Approach to Performance Mapping of Radial Inflow Turbines

Davide Biliotti, Alberto Scotti Del Greco, Francesco Cangioli, Giuseppe Iurisci
Proc. ASME. GT2019, Volume 2B: Turbomachinery, V02BT44A019, June 17–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-91856
https://doi.org/10.1115/GT2019-91856
View Paper titled, A New Approach to Performance Mapping of Radial Inflow Turbines
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Topics: Inflow, Turbines, Torque, Inlet guide vanes, Flow (Dynamics), Pressure, Stress, Design, Machinery, Modeling
Journal Articles

A Three-Dimensional Time-Accurate Computational Fluid Dynamics Simulation of the Flow Field Inside a Vaneless Diffuser During Rotating Stall Conditions

Michele Marconcini, Alessandro Bianchini, Matteo Checcucci, Giovanni Ferrara, Andrea Arnone, Lorenzo Ferrari, Davide Biliotti, Dante Tommaso Rubino
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. February 2017, 139(2): 021001.
Paper No: TURBO-16-1160
https://doi.org/10.1115/1.4034633
Published Online: September 27, 2016
View Article titled, A Three-Dimensional Time-Accurate Computational Fluid Dynamics Simulation of the Flow Field Inside a Vaneless Diffuser During Rotating Stall Conditions
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Topics: Diffusers, Flow (Dynamics), Impellers, Pressure, Simulation, Vaneless diffusers, Computational fluid dynamics
Proceedings Papers

A 3D Time-Accurate CFD Simulation of the Flow Field Inside a Vaneless Diffuser During Rotating Stall Conditions

Michele Marconcini, Alessandro Bianchini, Matteo Checcucci, Giovanni Ferrara, Andrea Arnone, Lorenzo Ferrari, Davide Biliotti, Dante Tommaso Rubino
Proc. ASME. GT2016, Volume 2D: Turbomachinery, V02DT42A029, June 13–17, 2016
Publisher: American Society of Mechanical Engineers
Paper No: GT2016-57604
https://doi.org/10.1115/GT2016-57604
View Paper titled, A 3D Time-Accurate CFD Simulation of the Flow Field Inside a Vaneless Diffuser During Rotating Stall Conditions
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Topics: Computational fluid dynamics, Flow (Dynamics), Simulation, Vaneless diffusers, Impellers, Diffusers, Engineering simulation, Pressure, Aerodynamics, Compressors
Journal Articles

Experimental Analysis of the Pressure Field Inside a Vaneless Diffuser From Rotating Stall Inception to Surge

Alessandro Bianchini, Davide Biliotti, Dante Tommaso Rubino, Lorenzo Ferrari, Giovanni Ferrara
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. November 2015, 137(11): 111007.
Paper No: TURBO-15-1117
https://doi.org/10.1115/1.4031354
Published Online: September 16, 2015
View Article titled, Experimental Analysis of the Pressure Field Inside a Vaneless Diffuser From Rotating Stall Inception to Surge
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Topics: Diffusers, Flow (Dynamics), Pressure, Surges, Vaneless diffusers, Stall inception, Probes
Proceedings Papers

Experimental Analysis of the Pressure Field Inside a Vaneless Diffuser From Rotating Stall Inception to Surge

Alessandro Bianchini, Davide Biliotti, Dante Tommaso Rubino, Lorenzo Ferrari, Giovanni Ferrara
Proc. ASME. GT2015, Volume 2C: Turbomachinery, V02CT42A010, June 15–19, 2015
Publisher: American Society of Mechanical Engineers
Paper No: GT2015-42282
https://doi.org/10.1115/GT2015-42282
View Paper titled, Experimental Analysis of the Pressure Field Inside a Vaneless Diffuser From Rotating Stall Inception to Surge
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Topics: Experimental analysis, Pressure, Stall inception, Surges, Vaneless diffusers, Diffusers, Compressors, Machinery, Probes, Flow (Dynamics)
Proceedings Papers

Some Guidelines for the Experimental Characterization of Vaneless Diffuser Rotating Stall in Stages of Industrial Centrifugal Compressors

Alessandro Bianchini, Davide Biliotti, Marco Giachi, Elisabetta Belardini, Libero Tapinassi, Lorenzo Ferrari, Giovanni Ferrara
Proc. ASME. GT2014, Volume 2D: Turbomachinery, V02DT42A028, June 16–20, 2014
Publisher: American Society of Mechanical Engineers
Paper No: GT2014-26401
https://doi.org/10.1115/GT2014-26401
View Paper titled, Some Guidelines for the Experimental Characterization of Vaneless Diffuser Rotating Stall in Stages of Industrial Centrifugal Compressors
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Topics: Compressors, Experimental characterization, Vaneless diffusers, Pressure, Pressure measurement, Probes, Sensors, Design, Diffusers, High pressure (Physics)