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Proceedings Papers

Experimental and Analytical Investigation of Labyrinth Seal Packing Ring Behavior in Contact With a Whirling Rotor

Tomohiko Tsukuda, Yoshifumi Iwasaki, Shogo Iwai, Tsuguhisa Tashima
Proc. ASME. GT2024, Volume 9: Manufacturing Materials and Metallurgy; Microturbines, Turbochargers, and Small Turbomachines; Oil & Gas Applications; Steam Turbine, V009T20A002, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-122313
https://doi.org/10.1115/GT2024-122313
View Paper titled, Experimental and Analytical Investigation of Labyrinth Seal Packing Ring Behavior in Contact With a Whirling Rotor
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Topics: Packing (Shipments), Packings (Cushioning), Rotors, Whirls, Temperature, Equations of motion, Springs, Heat, Rotor vibration, Steam turbines
Proceedings Papers

Characterization of Orientation Effects of Spring Energized Seals Using 2D Simulations

Stefan Roeseler, Erin Volpe, Ryan Plessinger, Tyler Noyes, Elaine Motyka, Michael Shealy, Jonathan Kweder
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, V10AT22A026, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-129228
https://doi.org/10.1115/GT2024-129228
View Paper titled, Characterization of Orientation Effects of Spring Energized Seals Using 2D Simulations
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Topics: Aerospace industry, Simulation, Springs
Proceedings Papers

Numerical Investigation of Friction Induced Interaction of Flutter Modes in a Realistic LPT Rotor

Salvador Rodríguez-Blanco, Javier González-Monge, Carlos Martel
Proc. ASME. GT2023, Volume 11A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics, V11AT21A014, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-103099
https://doi.org/10.1115/GT2023-103099
View Paper titled, Numerical Investigation of Friction Induced Interaction of Flutter Modes in a Realistic LPT Rotor
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Topics: Flutter (Aerodynamics), Friction, Rotors, Traveling waves, Bladed disks, Pressure, Turbines, Blades, Disks, Springs
Proceedings Papers

Performance Enhancement Kit for Existing Heavy-Duty MS5001 Machines

Abhimanyu Soman, Babu Santhana Gopalakrishnan, Srinivasan Raghavan, Sudha Venna
Proc. ASME. GT2023, Volume 8: Industrial and Cogeneration; Manufacturing Materials and Metallurgy, V008T16A004, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-103046
https://doi.org/10.1115/GT2023-103046
View Paper titled, Performance Enhancement Kit for Existing Heavy-Duty MS5001 Machines
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Topics: Machinery, Nozzles, Design, Maintenance, Reliability, Creep, Temperature, Wear, Alloys, Cantilevers
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
Publisher: American Society of Mechanical Engineers
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
Proceedings Papers

Searching for the Optimal Arrangement of Mistuned Blades Based on Solving the Traveling Salesman Problem for Simple Mass-Spring Linear System

Nikolay Serebriakov, Alexander Selivanov
Proc. ASME. GT2021, Volume 9B: Structures and Dynamics — Fatigue, Fracture, and Life Prediction; Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V09BT29A026, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-59927
https://doi.org/10.1115/GT2021-59927
View Paper titled, Searching for the Optimal Arrangement of Mistuned Blades Based on Solving the Traveling Salesman Problem for Simple Mass-Spring Linear System
Open the PDF for Searching for the Optimal Arrangement of Mistuned Blades Based on Solving the Traveling Salesman Problem for Simple Mass-Spring Linear System in another window
Topics: Blades, Linear systems, Springs, Disks, Algorithms, Construction, Manufacturing, Optimization, Resonance, Rotation
Proceedings Papers

Numerical Evaluation and High-Speed Rotating Test on Circular Arc Spring Dampers for Centrifugal Compressors

Ryota Takeuchi, Hidetsugu Ishimaru, Hideaki Yamashita, Takahiko Inoue, Shota Yabui, Tsuyoshi Inoue
Proc. ASME. GT2021, Volume 9A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics; Emerging Methods in Design and Engineering, V09AT24A012, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-58979
https://doi.org/10.1115/GT2021-58979
View Paper titled, Numerical Evaluation and High-Speed Rotating Test on Circular Arc Spring Dampers for Centrifugal Compressors
Open the PDF for Numerical Evaluation and High-Speed Rotating Test on Circular Arc Spring Dampers for Centrifugal Compressors in another window
Topics: Compressors, Dampers, Springs, Bearings, Damping, Evaluation methods, Fluid films, Rotors, Stability, Cavitation
Proceedings Papers

Mistuning Effects on the Nonlinear Friction Saturation of Flutter Vibration Amplitude

Carlos Martel, Salvador Rodríguez
Proc. ASME. GT2020, Volume 10A: Structures and Dynamics, V10AT24A018, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-15442
https://doi.org/10.1115/GT2020-15442
View Paper titled, Mistuning Effects on the Nonlinear Friction Saturation of Flutter Vibration Amplitude
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Topics: Flutter (Aerodynamics), Friction, Vibration, Blades, Disks, Springs, Engineering simulation, Rotors, Simulation, Traveling waves
Proceedings Papers

Squeeze Film Damper Bearing With Double-Ended Beam Springs: Part II — Experimental Validation

Wei Li, Christopher Braman, Brian Hantz, Manish Thorat, Brian Pettinato
Proc. ASME. GT2020, Volume 10A: Structures and Dynamics, V10AT25A026, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-15491
https://doi.org/10.1115/GT2020-15491
View Paper titled, Squeeze Film Damper Bearing With Double-Ended Beam Springs: Part II — Experimental Validation
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Topics: Bearings, Dampers, Fatigue testing, Modal analysis, Rotors, Springs
Proceedings Papers

Additively Manufactured Compliant Hybrid Gas Thrust Bearing for sCO 2 Turbomachinery: Design and Proof of Concept Testing

Bugra Ertas
Proc. ASME. GT2020, Volume 10A: Structures and Dynamics, V10AT25A017, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-14959
https://doi.org/10.1115/GT2020-14959
View Paper titled, Additively Manufactured Compliant Hybrid Gas Thrust Bearing for sCO 2 Turbomachinery: Design and Proof of Concept Testing
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Topics: Additive manufacturing, Design, Testing, Thrust bearings, Turbomachinery, Bearings, Thrust, Deflection, Stiffness, Clearances (Engineering)
Proceedings Papers

Squeeze Film Damper Bearing With Double-Ended Beam Centering Springs: Part I — Design and Analysis

Wei Li, Christopher Braman, Brian Hantz, Manish Thorat, Brian Pettinato
Proc. ASME. GT2020, Volume 10A: Structures and Dynamics, V10AT25A038, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-16329
https://doi.org/10.1115/GT2020-16329
View Paper titled, Squeeze Film Damper Bearing With Double-Ended Beam Centering Springs: Part I — Design and Analysis
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Topics: Bearings, Dampers, Design, Rotors, Springs
Proceedings Papers

Experimental Evaluation of Dynamic Characteristics of Circular Arc Spring Dampers for Rotating Machinery

Ryota Takeuchi, Hidetsugu Ishimaru, Hideaki Yamashita, Shota Yabui, Tsuyoshi Inoue
Proc. ASME. GT2020, Volume 10B: Structures and Dynamics, V10BT29A014, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-15113
https://doi.org/10.1115/GT2020-15113
View Paper titled, Experimental Evaluation of Dynamic Characteristics of Circular Arc Spring Dampers for Rotating Machinery
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Topics: Dampers, Machinery, Springs, Damping, Design, Electrical discharge machining, Excitation, Fluid films, Shock absorbers, Vibration
Proceedings Papers

Mass Spring Interlocked Bladed Disk Model

Oscar Córdoba
Proc. ASME. GT2020, Volume 10B: Structures and Dynamics, V10BT26A011, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-15923
https://doi.org/10.1115/GT2020-15923
View Paper titled, Mass Spring Interlocked Bladed Disk Model
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Topics: Disks, Springs, Blades, Cantilevers, Stiffness, Boundary-value problems, Polynomials, Vibration
Proceedings Papers

Modeling Complex Contact Conditions and Their Effect on Blade Dynamics

Chiara Gastaldi, Johann Gross, Maren Scheel, Teresa M. Berruti, Malte Krack
Proc. ASME. GT2020, Volume 11: Structures and Dynamics: Structural Mechanics, Vibration, and Damping; Supercritical CO2, V011T30A011, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-14630
https://doi.org/10.1115/GT2020-14630
View Paper titled, Modeling Complex Contact Conditions and Their Effect on Blade Dynamics
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Topics: Blades, Dynamics (Mechanics), Modeling, Dampers, Disks, Friction, Pressure, Springs, Coulombs, Design
Proceedings Papers

Experimental Results of Local Shear Stresses and Friction Torque in an Open Rotor-Stator Disc System

Alexander Kuntze, Stefan Odenbach, Wieland Uffrecht
Proc. ASME. GT2020, Volume 7C: Heat Transfer, V07CT14A021, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-15498
https://doi.org/10.1115/GT2020-15498
View Paper titled, Experimental Results of Local Shear Stresses and Friction Torque in an Open Rotor-Stator Disc System
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Topics: Disks, Friction, Rotors, Shear stress, Stators, Torque, Sensors, Displacement, Heat transfer coefficients, Reynolds number
Proceedings Papers

Asymptotic Description of Forced Response Vibration Saturation by Friction Forces

Carlos Martel, Juan A. Martín
Proc. ASME. GT2019, Volume 7B: Structures and Dynamics, V07BT35A009, June 17–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-90765
https://doi.org/10.1115/GT2019-90765
View Paper titled, Asymptotic Description of Forced Response Vibration Saturation by Friction Forces
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Topics: Friction, Vibration, Disks, Blades, Oscillations, Springs, Boundary-value problems, Computation, Dampers, Damping
Proceedings Papers

Dynamic Analysis and Optimization on Assembly Parameters of Rod Fastening Rotor System With Manufacturing Tolerances

Bingxi Zhao, Qi Yuan, Pu Li
Proc. ASME. GT2019, Volume 7A: Structures and Dynamics, V07AT33A002, June 17–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-90256
https://doi.org/10.1115/GT2019-90256
View Paper titled, Dynamic Analysis and Optimization on Assembly Parameters of Rod Fastening Rotor System With Manufacturing Tolerances
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Topics: Dynamic analysis, Manufacturing, Optimization, Rotors, Disks, Pressure, Stiffness, Bearings, Errors, Tie rods
Proceedings Papers

Simulation, Test and Mitigation of 1/2X Forward Whirl Following Rotor Drop Onto Auxiliary Bearings

Xiao Kang, Alan Palazzolo
Proc. ASME. GT2019, Volume 7B: Structures and Dynamics, V07BT34A034, June 17–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-91645
https://doi.org/10.1115/GT2019-91645
View Paper titled, Simulation, Test and Mitigation of 1/2X Forward Whirl Following Rotor Drop Onto Auxiliary Bearings
Open the PDF for Simulation, Test and Mitigation of 1/2X Forward Whirl Following Rotor Drop Onto Auxiliary Bearings in another window
Topics: Bearings, Rotors, Simulation, Whirls, Vibration, Ball bearings, Simulation models, Spin (Aerodynamics), Dampers, Elastomers
Proceedings Papers

Critical Speeds Analysis for Dual Rotor Turbofan Engine Using Finite Element Method

Kai Sun, Zhao Wan, Huiying Song, Shaohui Wang
Proc. ASME. GT2019, Volume 1: Aircraft Engine; Fans and Blowers; Marine; Honors and Awards, V001T01A023, June 17–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-91508
https://doi.org/10.1115/GT2019-91508
View Paper titled, Critical Speeds Analysis for Dual Rotor Turbofan Engine Using Finite Element Method
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Topics: Engines, Finite element methods, Rotors, Turbofans, Bearings, Aircraft engines, Finite element analysis, Blades, Disks, Jet engines
Proceedings Papers

Numerical Analysis of Lift Generation in a Radial Segmented Gas Seal

Mihai Arghir, Samia Dahite
Proc. ASME. GT2019, Volume 5B: Heat Transfer, V05BT15A005, June 17–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-90492
https://doi.org/10.1115/GT2019-90492
View Paper titled, Numerical Analysis of Lift Generation in a Radial Segmented Gas Seal
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Topics: Bearings, Carbon, Lift (Fluid dynamics), Numerical analysis, Power presses, Rotors, Springs, Thrust bearings