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Proceedings Papers

Low Data Prognostic Model for Rolling Element Bearing Remaining Useful Life

Edoardo Gheller, Sivachakaravarthy Natarajan, Abyjith Pazhoor, Steven Chatterton, Andrea Vania, Paolo Pennacchi
Proc. ASME. GT2024, Volume 4: Controls, Diagnostics, and Instrumentation, V004T05A035, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-127841
https://doi.org/10.1115/GT2024-127841
View Paper titled, Low Data Prognostic Model for Rolling Element Bearing Remaining Useful Life
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Topics: Rolling bearings, Service life (Equipment), Bearings, Failure, Algorithms, Damage, Maintenance, Delays, Filters, Gas turbines
Proceedings Papers

CFD Modelling and Experimental Validation of Temperature Profile at Pad Leading Edge of Tilting Pad Journal Bearings

Andrea Riva, Edoardo Gheller, Steven Chatterton, Paolo Emilio Lino Maria Pennacchi
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, V10AT22A024, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-128675
https://doi.org/10.1115/GT2024-128675
View Paper titled, CFD Modelling and Experimental Validation of Temperature Profile at Pad Leading Edge of Tilting Pad Journal Bearings
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Topics: Computational fluid dynamics, Journal bearings, Lubrication, Modeling, Temperature profiles
Proceedings Papers

Large Axial Vibrations in Turbomachines: Non-Linear Behaviour of Double Sided Lubricated Thrust Bearing

Ludovico Dassi, Steven Chatterton, Edoardo Gheller, Paolo Pennacchi
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, V10AT22A007, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-124990
https://doi.org/10.1115/GT2024-124990
View Paper titled, Large Axial Vibrations in Turbomachines: Non-Linear Behaviour of Double Sided Lubricated Thrust Bearing
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Topics: Nonlinear dynamics, Thrust bearings, Turbomachinery, Vibration, Machinery, Bearings, Clearances (Engineering), Bifurcation, Compressors, Flow (Dynamics)
Proceedings Papers

Prediction of a Crack Propagation in a Steam Turbine Rotor

Steven Chatterton, Paolo Pennacchi, Andrea Vania, Ludovico Dassi
Proc. ASME. GT2024, Volume 10B: Structures and Dynamics — Fatigue, Fracture, and Life Prediction; Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V10BT26A016, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-127943
https://doi.org/10.1115/GT2024-127943
View Paper titled, Prediction of a Crack Propagation in a Steam Turbine Rotor
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Topics: Crack propagation, Fatigue, Fracture (Materials), Machinery, Rotors, Steam turbines, Vibration, Condition monitoring, Damage, Inspection
Journal Articles

Tilting Pad Journal Bearing Computational Fluid Dynamic Parametric Modeling for New Energy Transition Challenges

Edoardo Gheller, Vishnu Vardhan Reddy, Satish Koyyalamudi, Steven Chatterton, Daniele Panara, Paolo Pennacchi
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. April 2024, 146(4): 041019.
Paper No: GTP-23-1347
https://doi.org/10.1115/1.4063831
Published Online: December 26, 2023
View Article titled, Tilting Pad Journal Bearing Computational Fluid Dynamic Parametric Modeling for New Energy Transition Challenges
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Topics: Bearings, Computational fluid dynamics, Equilibrium (Physics), Journal bearings, Modeling, Temperature, Turbulence, Pressure, Flow (Dynamics)
Journal Articles

Machine Learning-Based Optimizer for Tilting Pad Journal Bearing Inlet Flowrate

Edoardo Gheller, Steven Chatterton, Daniele Panara, Gabriele Turini, Paolo Pennacchi
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. December 2023, 145(12): 121017.
Paper No: GTP-23-1323
https://doi.org/10.1115/1.4063532
Published Online: October 26, 2023
View Article titled, Machine Learning-Based Optimizer for Tilting Pad Journal Bearing Inlet Flowrate
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Topics: Artificial neural networks, Bearings, Optimization, Temperature, Journal bearings, Stress, Probes
Proceedings Papers

Tilting Pad Journal Bearing CFD Parametric Modeling for New Energy Transition Challenges

Edoardo Gheller, Vishnu Vardhan Reddy, Satish Koyyalamudi, Steven Chatterton, Daniele Panara, Paolo Pennacchi
Proc. ASME. GT2023, Volume 11A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics, V11AT22A004, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-101046
https://doi.org/10.1115/GT2023-101046
View Paper titled, Tilting Pad Journal Bearing CFD Parametric Modeling for New Energy Transition Challenges
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Topics: Computational fluid dynamics, Equilibrium (Physics), Journal bearings, Modeling
Proceedings Papers

Machine Learning Based Optimizer for Tilting Pad Journal Bearing Inlet Flowrate

Edoardo Gheller, Steven Chatterton, Daniele Panara, Gabriele Turini, Paolo Pennacchi
Proc. ASME. GT2023, Volume 11A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics, V11AT22A015, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-102562
https://doi.org/10.1115/GT2023-102562
View Paper titled, Machine Learning Based Optimizer for Tilting Pad Journal Bearing Inlet Flowrate
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Topics: Artificial neural networks, Journal bearings, Machine learning, Optimization
Proceedings Papers

Squeeze Film Dampers Design and Application in High-Speed Radial Outflow Turbines for Small Size Organic Rankine Cycles

Edoardo Gheller, Steven Chatterton, Federico Bassi, Michele Scala, Ludovico Dassi, Paolo Pennacchi
Proc. ASME. GT2023, Volume 11A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics, V11AT22A016, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-102567
https://doi.org/10.1115/GT2023-102567
View Paper titled, Squeeze Film Dampers Design and Application in High-Speed Radial Outflow Turbines for Small Size Organic Rankine Cycles
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Topics: Dampers, Design, Organic Rankine cycle, Outflow, Turbines
Journal Articles

Theoretical and Experimental Comparisons for Rotordynamic Coefficients of a Multiscratched Tilting Pad Journal Bearing

Mohamed-Amine Hassini, Silun Zhang, Steven Chatterton, Paolo Pennacchi
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. February 2023, 145(2): 021008.
Paper No: GTP-22-1312
https://doi.org/10.1115/1.4055482
Published Online: November 28, 2022
View Article titled, Theoretical and Experimental Comparisons for Rotordynamic Coefficients of a Multiscratched Tilting Pad Journal Bearing
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Topics: Bearings, Film thickness, Journal bearings, Pressure, Rotors, Stiffness, Stress, Temperature, Displacement, Damping
Proceedings Papers

Theoretical and Experimental Comparisons for Rotordynamic Coefficients of a Multi-Scratched Tilting Pad Journal Bearing

Mohamed-Amine Hassini, Silun Zhang, Steven Chatterton, Paolo Pennacchi
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, V08AT22A022, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-83354
https://doi.org/10.1115/GT2022-83354
View Paper titled, Theoretical and Experimental Comparisons for Rotordynamic Coefficients of a Multi-Scratched Tilting Pad Journal Bearing
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Topics: Journal bearings
Proceedings Papers

Intelligent Defect Diagnosis of Spiral Bevel Gears Under Different Operating Conditions Using ANN and KNN Classifiers

Syed Muhammad Tayyab, Paolo Pennacchi, Steven Chatterton, Eram Asghar
Proc. ASME. IMECE2021, Volume 7A: Dynamics, Vibration, and Control, V07AT07A051, November 1–5, 2021
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2021-70016
https://doi.org/10.1115/IMECE2021-70016
View Paper titled, Intelligent Defect Diagnosis of Spiral Bevel Gears Under Different Operating Conditions Using ANN and KNN Classifiers
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Topics: Artificial intelligence, Artificial neural networks, Flaw detection, Spiral bevel gears
Journal Articles

An Unconventional Method for the Diagnosis and Study of Generator Rotor Thermal Bows

Steven Chatterton, Paolo Pennacchi, Andrea Vania
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. January 2022, 144(1): 011024.
Paper No: GTP-21-1407
https://doi.org/10.1115/1.4052079
Published Online: October 20, 2021
View Article titled, An Unconventional Method for the Diagnosis and Study of Generator Rotor Thermal Bows
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Topics: Generators, Regression models, Rotors, Vibration
Proceedings Papers

Optimization of an Oil Film Journal Bearing for Temperature Reduction

Steven Chatterton, Paolo Pennacchi, Andrea Vania, Phuoc Vinh Dang
Proc. ASME. GT2021, Volume 9A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics; Emerging Methods in Design and Engineering, V09AT24A023, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-60159
https://doi.org/10.1115/GT2021-60159
View Paper titled, Optimization of an Oil Film Journal Bearing for Temperature Reduction
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Topics: Computer simulation, Journal bearings, Optimization, Temperature
Proceedings Papers

An Unconventional Method for the Diagnosis and Study of Generator Rotor Thermal Bows

Steven Chatterton, Paolo Pennacchi, Andrea Vania
Proc. ASME. GT2021, Volume 9B: Structures and Dynamics — Fatigue, Fracture, and Life Prediction; Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V09BT28A006, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-60036
https://doi.org/10.1115/GT2021-60036
View Paper titled, An Unconventional Method for the Diagnosis and Study of Generator Rotor Thermal Bows
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Topics: Generators, Machinery, Regression models, Rotors, Vibration
Proceedings Papers

Effect of Scratches on a Tilting-Pad Journal Bearing

Steven Chatterton, Paolo Pennacchi, Andrea Vania, Mohamed Amine Hassini, Antoine Kuczkowiak
Proc. ASME. GT2020, Volume 10B: Structures and Dynamics, V10BT29A006, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-14700
https://doi.org/10.1115/GT2020-14700
View Paper titled, Effect of Scratches on a Tilting-Pad Journal Bearing
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Topics: Bearings, Journal bearings
Proceedings Papers

LM9000 Free Power Turbine: Advanced Test Bench

Manfredi Mazzola, Andrea Bulleri, Paolo Pennacchi, Steven Chatterton
Proc. ASME. GT2020, Volume 9: Oil and Gas Applications; Organic Rankine Cycle Power Systems; Steam Turbine, V009T21A008, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-15213
https://doi.org/10.1115/GT2020-15213
View Paper titled, LM9000 Free Power Turbine: Advanced Test Bench
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Topics: Design, Ocean engineering, Turbines, Weight (Mass), Dimensions, Generators, Aviation, Ball bearings, Engines, Gas turbines
Proceedings Papers

A Model-Based Prediction of Balancing Behavior of Rotors Above the Speed Range in Available Balancing Systems

Paolo Pennacchi, Riccardo Ferraro, Steven Chatterton, Damaso Checcacci
Proc. ASME. GT2020, Volume 10B: Structures and Dynamics, V10BT29A015, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-15136
https://doi.org/10.1115/GT2020-15136
View Paper titled, A Model-Based Prediction of Balancing Behavior of Rotors Above the Speed Range in Available Balancing Systems
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Topics: Modeling, Rotor balancing, Rotordynamics, Rotors
Proceedings Papers

On the Effects of a Shaft Crack Propagation on the Dynamic Behavior of a Steam Turbine

Steven Chatterton, Paolo Pennacchi, Andrea Vania
Proc. ASME. GT2020, Volume 10B: Structures and Dynamics, V10BT29A003, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-14207
https://doi.org/10.1115/GT2020-14207
View Paper titled, On the Effects of a Shaft Crack Propagation on the Dynamic Behavior of a Steam Turbine
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Topics: Crack propagation, Fracture (Materials), Machinery, Steam turbines, Vibration, Cross section (Physics), Condition monitoring, Fatigue cracks, Fault diagnosis, Probes
Journal Articles

Rotordynamic Characterization of a Staggered Labyrinth Seal: Experimental Test Data and Comparison With Predictions

Filippo Cangioli, Giuseppe Vannini, Paolo Pennacchi, Lorenzo Ciuchicchi, Leonardo Nettis, Steven Chatterton
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. January 2019, 141(1): 011009.
Paper No: GTP-18-1293
https://doi.org/10.1115/1.4040688
Published Online: September 14, 2018
View Article titled, Rotordynamic Characterization of a Staggered Labyrinth Seal: Experimental Test Data and Comparison With Predictions
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Topics: Cavities, Flow (Dynamics), Leakage, Pressure, Rotors, Damping, Fluids, Stiffness, Momentum, Clearances (Engineering)