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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
DOI: https://doi.org/10.1115/GT2022-81710
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Topics: Ball bearings, Bearings, Finite element model, Resonance, Rotors, Stiffness, Turbines, Modal analysis, Analytical methods, Computer simulation
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
DOI: https://doi.org/10.1115/GT2022-82784
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Topics: Rotors, Stiffness, Turbines, Dynamic response, Finite element analysis, Mechanical properties, Aircraft engines, Compression, Damage, Dynamic models
Proceedings Papers

Reduced Order Modeling of Forced Response in a Multistage Compressor Under Mistuning and Aerocoupling

Niklas Maroldt, Joerg R. Seume, Lukas Schwerdt, Lars Panning von-Scheidt, Jörg Wallaschek, Ricarda Berger, Raimund Rolfes
Proc. ASME. GT2022, Volume 8B: Structures and Dynamics — Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V08BT27A007, June 13–17, 2022
Paper No: GT2022-81090
DOI: https://doi.org/10.1115/GT2022-81090
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Topics: Compressors, Modeling, Vibration, Rotors, Blades, Damping, Engineering simulation, Fatigue life, High cycle fatigue, Simulation
Proceedings Papers

Non-Linear Damper-Blade Coupling Calculations Reduced to Essentials

Chiara Gastaldi, Muzio M. Gola
Proc. ASME. GT2022, Volume 8B: Structures and Dynamics — Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V08BT27A026, June 13–17, 2022
Paper No: GT2022-82830
DOI: https://doi.org/10.1115/GT2022-82830
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Topics: Blades, Dampers, Airfoils, Cycles, Finite element model, Rotation, Bending (Stress), Construction, Damping, Design
Proceedings Papers

The Mechanism and Quantitative Evaluation of Slip Damage of Bolted Joint With Spigot

Jie Hong, YongBo Ma, ShaoBao Feng, YanHong Ma
Proc. ASME. GT2022, Volume 8B: Structures and Dynamics — Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V08BT27A025, June 13–17, 2022
Paper No: GT2022-82788
DOI: https://doi.org/10.1115/GT2022-82788
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Topics: Bolted joints, Damage, Stiffness
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
Paper No: GT2022-82266
DOI: https://doi.org/10.1115/GT2022-82266
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Topics: Aerodynamics, Design, Turbines, Metals, Wheels, Geometry, Stiffness, Flow (Dynamics), Turbochargers, Computational fluid dynamics
Proceedings Papers

Refinement of a High Cycle Fatigue Decision-Gate Assessment for Additively Repaired Blades

Onome Scott-Emuakpor, Brian Runyon, Daniel Gillaugh, Lucas Smith, Philip Johnson
Proc. ASME. GT2022, Volume 7: Industrial and Cogeneration; Manufacturing Materials and Metallurgy; Microturbines, Turbochargers, and Small Turbomachines; Oil & Gas Applications, V007T17A024, June 13–17, 2022
Paper No: GT2022-83282
DOI: https://doi.org/10.1115/GT2022-83282
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Topics: Blades, Gas turbines, Gates (Closures), High cycle fatigue, Maintenance, Nondestructive evaluation, Titanium, Acceptance criteria, Lasers, Additive manufacturing
Proceedings Papers

Topological Optimisation and 3d Printing of a Bladed Disc

Vincent Barreau, Enora Denimal, Loic Salles
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, V08AT23A002, June 13–17, 2022
Paper No: GT2022-78141
DOI: https://doi.org/10.1115/GT2022-78141
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Topics: Additive manufacturing, Disks, Optimization, Topology, Blades, Engineering simulation, Errors, Geometry, Mechanical properties, Simulation
Proceedings Papers

A Stepped Shaft Labyrinth Seal vs. a Pocket Damper Seal: Leakage and Dynamic Force Coefficients Under Wet Gas Operation

José Torres, Luis San Andrés, Jing Yang
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, V08AT22A014, June 13–17, 2022
Paper No: GT2022-82280
DOI: https://doi.org/10.1115/GT2022-82280
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Topics: Dampers, Leakage, Clearances (Engineering), Compressors, Damping, Pressure, Two-phase flow, Blades, Computational fluid dynamics, Density
Proceedings Papers

A Comparison of Static and Rotordynamic Characteristics for Three Types of Impeller Front Seals in a Liquid Oxygen Turbopump

Zhihong Jin, Zhigang Li, Jun Li
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, V08AT22A016, June 13–17, 2022
Paper No: GT2022-82556
DOI: https://doi.org/10.1115/GT2022-82556
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Topics: Impellers, Oxygen, Leakage, Rotors, Computational fluid dynamics, Dampers, Fluids, Stability, Stators, Stress
Proceedings Papers

Aerodynamic Damping of Composite UHBR Fans Under the Consideration of Acoustic Intake Reflections

Jan Gößling, Joerg R. Seume, Jan Peter Flüh, Nicola Paletta, Torben Eggers, Jens Friedrichs, Nunzio Natale
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, V08AT21A008, June 13–17, 2022
Paper No: GT2022-81777
DOI: https://doi.org/10.1115/GT2022-81777
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Topics: Acoustics, Composite materials, Damping, Fans, Reflection, Blades, Engines, Fibers, Rotors, Stiffness
Proceedings Papers

Negative Centering Forces of Wet-Gas Hole-Pattern Seals at Low Excitation Frequencies

Min Zhang, Dara W. Childs
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, V08AT22A024, June 13–17, 2022
Paper No: GT2022-83504
DOI: https://doi.org/10.1115/GT2022-83504
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Topics: Excitation, Pressure, Stiffness, Compression, Damping, Dimensions, Flow (Dynamics), Leakage, Testing
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
DOI: https://doi.org/10.1115/GT2022-83164
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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
DOI: https://doi.org/10.1115/GT2022-79563
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Topics: Compressors, Dampers, Design, Vibration, Density, Carbon dioxide, Engineering prototypes, Fluids, Pistons, Stability
Proceedings Papers

Preliminary Numerical Validation of the Frequency Response Method on the Study of Aero-Damping in a Linear Oscillating Compressor Cascade

Xin Tong, Fanfu Yin, Xin Shen, Xiaoqing Qiang, Hua Ouyang
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, V08AT21A018, June 13–17, 2022
Paper No: GT2022-82382
DOI: https://doi.org/10.1115/GT2022-82382
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Topics: Cascades (Fluid dynamics), Compressors, Damping, Frequency response, Oscillations, Stiffness
Proceedings Papers

Rotordynamic Force Coefficient Prediction of an Unshrouded Radial Inflow Expander and Labyrinth Seal Using Transient Computational Fluid Dynamic Analysis

Chris D. Kulhanek, Hector A. Delgado, Michael P. Marshall, J. Jeffrey Moore, Joseph Lillard, Yunbae 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, V08AT22A021, June 13–17, 2022
Paper No: GT2022-83257
DOI: https://doi.org/10.1115/GT2022-83257
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Topics: Computational fluid dynamics, Inflow, Stiffness, Transients (Dynamics)
Proceedings Papers

Measured Leakage and Rotordynamic Force Coefficients for Two Liquid Annular Seal Configurations: Smooth-Rotor/Grooved-Stator Versus Grooved-Rotor/Smooth-Stator

Dara W. Childs, Jing Yang, Luis San Andrés, Jose M. Torres Rueda, J. Alex Moreland
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, V08AT22A004, June 13–17, 2022
Paper No: GT2022-80073
DOI: https://doi.org/10.1115/GT2022-80073
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Topics: Leakage, Rotors, Stators, Damping, Geometry, Pressure, Pumps, Stability, Brakes, Clearances (Engineering)
Proceedings Papers

Validation of New Numerical Analysis Tools for Nonlinear Forced Response in Anisotropy-Mistuned Bladed Disks With Friction Joints

Adam Koscso, Andreas Hartung, E. P. Petrov
Proc. ASME. GT2022, Volume 8B: Structures and Dynamics — Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V08BT27A014, June 13–17, 2022
Paper No: GT2022-82040
DOI: https://doi.org/10.1115/GT2022-82040
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Topics: Anisotropy, Disks, Friction, Numerical analysis, Blades, Aircraft engines, Computational methods, Crystals, Dampers, Excitation
Proceedings Papers

Centrifugal Compressor Stage Efficiency and Rotor Stiffness Augmentation via Artificial Neural Networks

Andrea Agnolucci, Michele Marconcini, Andrea Arnone, Lorenzo Toni, Angelo Grimaldi, Marco Giachi
Proc. ASME. GT2021, Volume 2D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V02DT37A014, June 7–11, 2021
Paper No: GT2021-59998
DOI: https://doi.org/10.1115/GT2021-59998
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Topics: Artificial neural networks, Compressors, Rotors, Stiffness, Optimization, Impellers, Design, Diffusers, Reynolds-averaged Navier–Stokes equations
Proceedings Papers

Experimental and Numerical Investigations of the Effects of Real Shape Modeling and Non-Equilibrium Condensation Modeling on the Flow Pattern in Steam Turbine

Soichiro Tabata, Yasuhiro Sasao, Kiyoshi Segawa
Proc. ASME. GT2021, Volume 8: Oil and Gas Applications; Steam Turbine, V008T22A001, June 7–11, 2021
Paper No: GT2021-01754
DOI: https://doi.org/10.1115/GT2021-01754
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Topics: Condensation, Equilibrium (Physics), Flow (Dynamics), Modeling, Shapes, Steam turbines, Computational fluid dynamics, Blades, Computation, Pipes