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Proceedings Papers

POD-Based Surrogate Modeling Approximation for Aeroengines Nonlinear Unbalance Responses

Francesco D’Alessandro, Hugo Festjens, Gael Chevallier, Scott Cogan, Tariq Benamara, Caroline Sainvitu
Publisher: American Society of Mechanical Engineers
Proc. ASME. GT2023, Volume 11B: Structures and Dynamics — Emerging Methods in Engineering Design, Analysis, and Additive Manufacturing; Fatigue, Fracture, and Life Prediction; Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V11BT26A002, June 26–30, 2023
Paper No: GT2023-100656
https://doi.org/10.1115/GT2023-100656
View Paper titled, POD-Based Surrogate Modeling Approximation for Aeroengines Nonlinear Unbalance Responses
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Topics: Approximation, Metamodeling, Finite element model, Rotors, Calibration, Computer simulation, Damping, Design, Event history analysis, Experimental design
Proceedings Papers

Development and Experimental Validation of a Model-Based Balancing Prediction Method for Bowed Rotor

Damaso Checcacci, Riccardo Ferraro, Gabriele Girezzi, Nicola Mitaritonna, Claudio Orazi
Publisher: American Society of Mechanical Engineers
Proc. ASME. GT2023, Volume 11B: Structures and Dynamics — Emerging Methods in Engineering Design, Analysis, and Additive Manufacturing; Fatigue, Fracture, and Life Prediction; Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V11BT26A017, June 26–30, 2023
Paper No: GT2023-103686
https://doi.org/10.1115/GT2023-103686
View Paper titled, Development and Experimental Validation of a Model-Based Balancing Prediction Method for Bowed Rotor
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Topics: Rotor balancing, Rotordynamics, Rotors
Proceedings Papers

Super-Critical Carbon Dioxide Power Cycle for Waste Heat Recovery Utilizing Hermetic Oil-Free Turbomachinery: Cycle and Conceptual Turbomachinery Design

Bugra Ertas, Joseph Zierer, Aaron McClung, Dave Torrey, Rahul A. Bidkar, Doug Hofer, Vandana Rallabandi, Rajkeshar Singh, Xiaohua Zhang
Publisher: American Society of Mechanical Engineers
Proc. ASME. GT2023, Volume 12: Supercritical CO2, V012T28A033, June 26–30, 2023
Paper No: GT2023-104245
https://doi.org/10.1115/GT2023-104245
View Paper titled, Super-Critical Carbon Dioxide Power Cycle for Waste Heat Recovery Utilizing Hermetic Oil-Free Turbomachinery: Cycle and Conceptual Turbomachinery Design
Open the PDF for Super-Critical Carbon Dioxide Power Cycle for Waste Heat Recovery Utilizing Hermetic Oil-Free Turbomachinery: Cycle and Conceptual Turbomachinery Design in another window
Topics: Carbon dioxide, Cycles, Design, Heat recovery, Thermodynamic power cycles, Turbomachinery, Bearings, Gas turbines, Organic Rankine cycle, Power systems (Machinery)
Proceedings Papers

Investigation of the Applicability of Methods Approved for Steam to the Design of Labyrinth Seals in Turbines Operated With CO 2 in Supercritical State

Katharina Tegethoff, Christian Musch, Stefan Glos, Sebastian Schuster, Dieter Brillert
Publisher: American Society of Mechanical Engineers
Proc. ASME. GT2023, Volume 12: Supercritical CO2, V012T28A011, June 26–30, 2023
Paper No: GT2023-102220
https://doi.org/10.1115/GT2023-102220
View Paper titled, Investigation of the Applicability of Methods Approved for Steam to the Design of Labyrinth Seals in Turbines Operated With CO 2 in Supercritical State
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Topics: Carbon dioxide, Design, Steam, Turbines, Computational fluid dynamics, Steam turbines, Computer simulation, Density, Fluids, Heating
Proceedings Papers

Test Rig Concept for Evaluating the Performance of a CO 2 Immersed Electro-Mechanical Rotor System Utilizing Gas Bearings: Part-1 Mechanical and Electric Machine Design

Bugra Ertas, John Powers, Keith Gary, Dave Torrey, Joseph Zierer, Peggy Baehmann, Vandana Rallabandi, Tom Adcock, Nevin Anandika, Rahul A. Bidkar
Publisher: American Society of Mechanical Engineers
Proc. ASME. GT2023, Volume 12: Supercritical CO2, V012T28A030, June 26–30, 2023
Paper No: GT2023-104093
https://doi.org/10.1115/GT2023-104093
View Paper titled, Test Rig Concept for Evaluating the Performance of a CO 2 Immersed Electro-Mechanical Rotor System Utilizing Gas Bearings: Part-1 Mechanical and Electric Machine Design
Open the PDF for Test Rig Concept for Evaluating the Performance of a CO 2 Immersed Electro-Mechanical Rotor System Utilizing Gas Bearings: Part-1 Mechanical and Electric Machine Design in another window
Topics: Carbon dioxide, Gas bearings, Machine design, Rotors, Stress, Design, Rotordynamics, Thrust bearings, Turbomachinery, Bearing design
Proceedings Papers

Cloud Based Predictive Monitoring System for Steam Industrial Turbogenerator

Antonio Sanguineti, Roberto Venuti, Antonio Violante, Adriano Busi, Francesco Malavasi
Publisher: American Society of Mechanical Engineers
Proc. ASME. GT2023, Volume 4: Controls, Diagnostics, and Instrumentation, V004T05A020, June 26–30, 2023
Paper No: GT2023-102617
https://doi.org/10.1115/GT2023-102617
View Paper titled, Cloud Based Predictive Monitoring System for Steam Industrial Turbogenerator
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Topics: Monitoring systems, Steam, Turbogenerators, Biomass, Control systems, Instrumentation, Machinery, Maintenance, Sensors, Algorithms
Proceedings Papers

Rotordynamics of a Rotor Supported by Foil Bearings Under Various Housing Excitation

Woongeon Lee, Daejong Kim
Publisher: American Society of Mechanical Engineers
Proc. ASME. GT2023, Volume 9: Microturbines, Turbochargers, and Small Turbomachines; Oil and Gas Applications, V009T18A012, June 26–30, 2023
Paper No: GT2023-103344
https://doi.org/10.1115/GT2023-103344
View Paper titled, Rotordynamics of a Rotor Supported by Foil Bearings Under Various Housing Excitation
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Topics: Air compressors, Excitation, Foil bearings, Fuel cells, Rotordynamics, Rotors, Simulation
Proceedings Papers

Turbomachinery for Laboratory-Scale Demonstration of Pumped Thermal Energy Storage System

Aaron Rimpel, Joshua Just, Natalie Smith
Publisher: American Society of Mechanical Engineers
Proc. ASME. GT2023, Volume 9: Microturbines, Turbochargers, and Small Turbomachines; Oil and Gas Applications, V009T18A014, June 26–30, 2023
Paper No: GT2023-104045
https://doi.org/10.1115/GT2023-104045
View Paper titled, Turbomachinery for Laboratory-Scale Demonstration of Pumped Thermal Energy Storage System
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Topics: Design, Energy storage, Thermal energy storage, Turbomachinery, Cycles, Heat engines, Heat pumps, Machinery, Manufacturing, Temperature
Proceedings Papers

Leakage and Rotordynamic Force Coefficients of a Labyrinth Seal and a Pocket Damper Seal Operating With Wet Gas

Jose Torres, Luis San Andrés
Publisher: American Society of Mechanical Engineers
Proc. ASME. GT2023, Volume 11A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics, V11AT22A002, June 26–30, 2023
Paper No: GT2023-100555
https://doi.org/10.1115/GT2023-100555
View Paper titled, Leakage and Rotordynamic Force Coefficients of a Labyrinth Seal and a Pocket Damper Seal Operating With Wet Gas
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Topics: Dampers, Leakage, Clearances (Engineering), Damping, Uncertainty, Cavities, Compressors, Design, Engineers, Errors
Proceedings Papers

Pressure Actuated Leaf Seal Design and Test for sCO2 Applications

Clayton Grondahl, Rich Armstrong
Publisher: American Society of Mechanical Engineers
Proc. ASME. GT2023, Volume 11A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics, V11AT22A012, June 26–30, 2023
Paper No: GT2023-102258
https://doi.org/10.1115/GT2023-102258
View Paper titled, Pressure Actuated Leaf Seal Design and Test for sCO2 Applications
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Topics: Design, Pressure, Leakage, Sealing (Process), Cycles, Dynamic testing (Engineering), Dynamic testing (Materials), Energy conversion, Leakage flows, Turbomachinery
Proceedings Papers

JoeRot - Rotor Dynamics Toolbox Based on Complex Transfer Matrix Method

Hüseyin Tarık Niş, Ahmet Yıldız, Alican Kılıçaslan
Publisher: American Society of Mechanical Engineers
Proc. ASME. GT2023, Volume 11B: Structures and Dynamics — Emerging Methods in Engineering Design, Analysis, and Additive Manufacturing; Fatigue, Fracture, and Life Prediction; Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V11BT26A001, June 26–30, 2023
Paper No: GT2023-100631
https://doi.org/10.1115/GT2023-100631
View Paper titled, JoeRot - Rotor Dynamics Toolbox Based on Complex Transfer Matrix Method
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Topics: Finite element methods, Modeling, Rotordynamics
Proceedings Papers

Nonlinear Response of the Rotor Supported by Gas Journal Bearings Considering Stationary and Rotating Herringbone Grooves

Roman Kochurov, Leonid Moroz, Volodymyr Martynenko
Publisher: American Society of Mechanical Engineers
Proc. ASME. GT2023, Volume 11B: Structures and Dynamics — Emerging Methods in Engineering Design, Analysis, and Additive Manufacturing; Fatigue, Fracture, and Life Prediction; Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V11BT26A008, June 26–30, 2023
Paper No: GT2023-102296
https://doi.org/10.1115/GT2023-102296
View Paper titled, Nonlinear Response of the Rotor Supported by Gas Journal Bearings Considering Stationary and Rotating Herringbone Grooves
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Topics: Bearings, Journal bearings, Rotors, Stability, Design, Finite element analysis, Transient analysis, Engineers, Machinery, Rotordynamics
Proceedings Papers

Experimental Force Coefficients for a Fully-Partitioned Pocket Damper Seal and Comparison to Other Two Seal Types

Adolfo Delgado, Luis San Andrés, Jing Yang, Jonathan Thiele
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, V08AT22A020, June 13–17, 2022
Paper No: GT2022-83164
https://doi.org/10.1115/GT2022-83164
View Paper titled, Experimental Force Coefficients for a Fully-Partitioned Pocket Damper Seal and Comparison to Other Two Seal Types
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Topics: Dampers, Leakage, Stiffness, Compressors, Damping, Blades, Pressure, Rotors, Computational fluid dynamics, Databases
Proceedings Papers

Rotordynamic Design and Experimental Validation of a sCO2 Centrifugal Compressor Equipped With a Pocket Damper Seal

Giuseppe Vannini, Matteo Dozzini, Filippo Cangioli
Proc. ASME. GT2022, Volume 8B: Structures and Dynamics — Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V08BT26A001, June 13–17, 2022
Paper No: GT2022-79563
https://doi.org/10.1115/GT2022-79563
View Paper titled, Rotordynamic Design and Experimental Validation of a sCO2 Centrifugal Compressor Equipped With a Pocket Damper Seal
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Topics: Compressors, Dampers, Design, Vibration, Density, Carbon dioxide, Engineering prototypes, Fluids, Pistons, Stability
Proceedings Papers

A Nonlinear Rotordynamics Model for Automotive Turbochargers Coupled to a Physical Model for a (Semi) Floating Ring Bearing System

Wonbae Jung, Luis San Andrés, Jungbae Kim
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, V08AT22A003, June 13–17, 2022
Paper No: GT2022-79386
https://doi.org/10.1115/GT2022-79386
View Paper titled, A Nonlinear Rotordynamics Model for Automotive Turbochargers Coupled to a Physical Model for a (Semi) Floating Ring Bearing System
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Topics: Bearings, Rotordynamics, Turbochargers
Proceedings Papers

Condition Monitoring Insight Using Bayesian Inference and Rotor Dynamics Modelling for Rotating Machinery

Greg Nelson, Iain Palmer
Proc. ASME. GT2022, Volume 8B: Structures and Dynamics — Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V08BT25A002, June 13–17, 2022
Paper No: GT2022-80976
https://doi.org/10.1115/GT2022-80976
View Paper titled, Condition Monitoring Insight Using Bayesian Inference and Rotor Dynamics Modelling for Rotating Machinery
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Topics: Condition monitoring, Machinery, Modeling, Rotordynamics, Vibration, Bearings, Clearances (Engineering), Compressors, Digital twin, Finite element model
Proceedings Papers

Measured and Predicted Temperature Differentials Within a Rotor at a Tilting-Pad-Journal Bearing Associated With the Morton Effect

Chris D. Kulhanek, Seth Cunningham, Hector A. Delgado, Jeff Moore, Justin R. Hollingsworth
Proc. ASME. GT2022, Volume 8B: Structures and Dynamics — Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V08BT26A015, June 13–17, 2022
Paper No: GT2022-83237
https://doi.org/10.1115/GT2022-83237
View Paper titled, Measured and Predicted Temperature Differentials Within a Rotor at a Tilting-Pad-Journal Bearing Associated With the Morton Effect
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Topics: Bearings, Journal bearings, Rotors, Temperature, Vibration, Temperature measurement, Clearances (Engineering), Design, Resistance thermometers, Rotordynamics
Proceedings Papers

Mixed Whirl Modes in Numerical Rotordynamics Analysis

Konrad Juethner, Ted Rose, J. S. Kumar, Jianming Cao, Gregory M. Savela, Chris J. Zuck, Parag H. Mathuria
Proc. ASME. GT2022, Volume 8B: Structures and Dynamics — Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V08BT26A004, June 13–17, 2022
Paper No: GT2022-79755
https://doi.org/10.1115/GT2022-79755
View Paper titled, Mixed Whirl Modes in Numerical Rotordynamics Analysis
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Topics: Rotordynamics, Whirls, Rotors, Design, Eigenvalues, Stability, Algorithms, Economics , Fatigue, Finite element analysis
Proceedings Papers

Research on the Nonlinear Behavior of the Turbine Rotor Assembled by Rabbet Joints

Zhuoluo Han, Yifeng Li, Yongfeng Wang, Jie Hong
Proc. ASME. GT2022, Volume 8B: Structures and Dynamics — Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V08BT26A013, June 13–17, 2022
Paper No: GT2022-82784
https://doi.org/10.1115/GT2022-82784
View Paper titled, Research on the Nonlinear Behavior of the Turbine Rotor Assembled by Rabbet Joints
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Topics: Rotors, Stiffness, Turbines, Dynamic response, Finite element analysis, Mechanical properties, Aircraft engines, Compression, Damage, Dynamic models
Proceedings Papers

Experimental Validation of a Rotor-Bearings System Model for Tesla Turbines Resonances Prediction

Carlo Alberto Niccolini Marmont Du Haut Champ, Paolo Silvestri, Federico Reggio
Proc. ASME. GT2022, Volume 4: Cycle Innovations; Cycle Innovations: Energy Storage, V004T06A015, June 13–17, 2022
Paper No: GT2022-81710
https://doi.org/10.1115/GT2022-81710
View Paper titled, Experimental Validation of a Rotor-Bearings System Model for Tesla Turbines Resonances Prediction
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Topics: Ball bearings, Bearings, Finite element model, Resonance, Rotors, Stiffness, Turbines, Modal analysis, Analytical methods, Computer simulation