Topics: Bladed disks , Finite element analysis , Fluid structure interaction , Pressure , Blades , Computational fluid dynamics , Fluids , Stress , Boundary-value problems , Deformation

Acoustoelastic Modes in a Rotor-Cavity System With Superposed Through Flow

Tina Unglaube, Dieter Brillert

GT 2023; V11AT21A007https://doi.org/10.1115/GT2023-102214

Abstract

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Topics: Cavities , Flow (Dynamics) , Fluid structure interaction , Rotors , Stators

Experimental Investigation of Synchronous Flow Induced Blade Vibrations on a Radial Turbine - Part 2: Influence of Different Inlet Guide Vane Configurations

Marios Sasakaros, Markus Schafferus, Manfred Wirsum, Arthur Zobel, Damian Vogt, Alex Nakos, Bernd Beirow

GT 2023; V11AT21A008https://doi.org/10.1115/GT2023-102243

Abstract

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Topics: Blades , Flow (Dynamics) , Inlet guide vanes , Turbines , Vibration

Experiments on Tuned UHBR Open-Test-Case Fan ECL5/CATANA: Stability Limit

Anne-Lise Fiquet, Alexandra P. Schneider, Benoit Paoletti, Xavier Ottavy, Christoph Brandstetter

GT 2023; V11AT21A009https://doi.org/10.1115/GT2023-102537

Abstract

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Topics: Stability , Vibration , Blades , Architecture , Chords (Trusses) , Clearances (Engineering) , Composite materials , Compressors , Engineering simulation , Fans

A Frequency-Time Partitioned Approach for Computing Fan Blade Flutter Induced Limit Cycle Oscillations With Nonlinear Friction on Contact Interfaces

Nicolas Ombret, Renaud Daon, Alain Dugeai, Fabrice Thouverez, Laurent Blanc

GT 2023; V11AT21A010https://doi.org/10.1115/GT2023-102568

Abstract

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Topics: Blades , Flutter (Aerodynamics) , Friction , Limit cycles , Oscillations

Experimental Validation of a Seal Flutter Model

Roque Corral, Michele Greco

GT 2023; V11AT21A011https://doi.org/10.1115/GT2023-102600

Abstract

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Topics: Flutter (Aerodynamics) , Engineering simulation , Pressure , Simulation , Cavities , Centrifugal force , Clearances (Engineering) , Computer simulation , Deformation , Flow (Dynamics)

Mistuning Strategy on Long Blades to Mitigate Flutter

Lorenzo Pinelli, Andrea Arnone, Lorenzo Peruzzi, Claudio Bettini, Conrad Finzel, Rudolf Kellerer

GT 2023; V11AT21A012https://doi.org/10.1115/GT2023-102933

Abstract

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Topics: Blades , Flutter (Aerodynamics) , Design , Combined cycles , Computational fluid dynamics , Emissions , Energy generation , Flow (Dynamics) , Fuel consumption , Machinery

Experimental Investigation of Synchronous Flow Induced Blade Vibrations on a Radial Turbine - Part 1: Nominal Inlet Guide Vane

Markus Schafferus, Marios Sasakaros, Manfred Wirsum, Arthur Zobel, Damian Vogt, Alex Nakos, Bernd Beirow

GT 2023; V11AT21A013https://doi.org/10.1115/GT2023-103037

Abstract

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Topics: Blades , Flow (Dynamics) , Inlet guide vanes , Turbines , Vibration

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

Salvador Rodríguez-Blanco, Javier González-Monge, Carlos Martel

GT 2023; V11AT21A014https://doi.org/10.1115/GT2023-103099

Abstract

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Topics: Flutter (Aerodynamics) , Friction , Rotors , Traveling waves , Bladed disks , Pressure , Turbines , Blades , Disks , Springs

Investigation of Rear Blisk Drum Dynamics Under Consideration of Multi-Stage Coupling

Marco Gambitta, Bernd Beirow, Thomas Klauke

GT 2023; V11AT21A015https://doi.org/10.1115/GT2023-103756

Abstract

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Topics: Bladed disks , Dynamics (Mechanics) , Compressors , Geometry , Vibration , Blades , Collaboration , Design engineering , Disks , Structural dynamics

Design of a Linear Compressor Cascade for Influence Coefficient Method Flutter Testing

Julian Gambel, Dieter Peitsch, Sabine Schneider

GT 2023; V11AT21A016https://doi.org/10.1115/GT2023-103758

Abstract

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Topics: Aerodynamics , Cascades (Fluid dynamics) , Compressors , Design , Flutter (Aerodynamics) , Mode shapes , Stability , Testing

Forced Response Analysis of a Highly-Loaded Low-Pressure Compressor Stage With Inlet Distortions

Riccardo Toracchio, Sina Stapelfeldt, Koen Hillewaert, Fabrizio Fontaneto

GT 2023; V11AT21A017https://doi.org/10.1115/GT2023-103881

Abstract

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Topics: Compressors , Pressure

Study on the Transient Dynamic Characteristics of the Pitch-Regulated Device for Coaxilcopter Under Aerodynamic Loads

Qingkai Meng, Zhifang Ke, Wei Wei, Molei Zhao, Jinghan Tu, Qingdong Yan

GT 2023; V11AT21A018https://doi.org/10.1115/GT2023-103937

Abstract

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Topics: Rotors , Stress , Transients (Dynamics)

Aeroacoustic Effects on the Forcing of Fan and Compressor Blades Due to Distortion

Hans Mårtensson, Mattias Billson

GT 2023; V11AT21A019https://doi.org/10.1115/GT2023-104081

Abstract

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Topics: Blades , Compressors

A Computationally Efficient Method for Predicting Tip Clearance Effects on the Natural Frequency of Submerged Discs and Inducers

Cody Langston, Timothy Wray, Andrew Brown

GT 2023; V11AT21A020https://doi.org/10.1115/GT2023-104243

Abstract

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Topics: Clearances (Engineering) , Disks , Fluids

Structures and Dynamics: Bearing and Seal Dynamics

Dynamic Forced Performance of an O-Rings Sealed Squeeze Film Damper Lubricated With a Low Supply Pressure and a Simple Method to Quantify Air Ingestion

Bryan Rodríguez, Luis San Andrés

GT 2023; V11AT22A001https://doi.org/10.1115/GT2023-100495

Abstract

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Topics: Dampers , Damping , Pressure , Seals

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

Jose Torres, Luis San Andrés

GT 2023; V11AT22A002https://doi.org/10.1115/GT2023-100555

Abstract

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Topics: Dampers , Leakage , Clearances (Engineering) , Damping , Uncertainty , Cavities , Compressors , Design , Engineers , Errors

Design and Parameter Identification of a Compliantly Damped Porous Carbon Hybrid Gas Bearing

Suryanarayan Balaji, Adolfo Delgado, Sang-Guk Kang, Chol-Bum M. Kweon

GT 2023; V11AT22A003https://doi.org/10.1115/GT2023-100904

Abstract

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Topics: Bearings , Carbon , Dampers , Design , Gas bearings , Rotors , Stiffness

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

GT 2023; V11AT22A004https://doi.org/10.1115/GT2023-101046

Abstract

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Topics: Computational fluid dynamics , Equilibrium (Physics) , Journal bearings , Modeling

Effects of Conical Cavity on the Load Capacity of Externally Pressurized Steam-Lubricated Journal Bearing

Zhansheng Liu, Jinlei Qi, Xiangyu Yu

GT 2023; V11AT22A005https://doi.org/10.1115/GT2023-101381

Abstract

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Topics: Cavities , Cycles , Journal bearings , Steam , Steam turbines , Stress

Effect of Air-Liquid Homogeneous Mixture on the Linear Dynamic Characteristics of a Hydrostatic Journal Bearing

Anthony Voitus, Mihai Arghir, Mohamed-Amine Hassini

GT 2023; V11AT22A006https://doi.org/10.1115/GT2023-101410

Abstract

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Topics: Bearings , Flow (Dynamics) , Hydrostatics , Journal bearings

Static Characteristics Analysis of Textured Thrust Bearing Based on the Multigrid Algorithm

Kefan Xu, Guanghui Zhang, Wenlong Sun, Jiazhen Han

GT 2023; V11AT22A007https://doi.org/10.1115/GT2023-101497

Abstract

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Topics: Algorithms , Thrust bearings

Experimental Investigation of a Large Tilting-Pad Journal Bearing With a Direct-Bonded Sub-Millimeter PEEK Lining

Michael Stottrop, Alexander Engels, Christoph Weißbacher, Beate Bender

GT 2023; V11AT22A008https://doi.org/10.1115/GT2023-101502

Abstract

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Topics: Bearings , Journal bearings , Linings (Textiles) , Polymers , Turbines

Field Performance of an Innovative AMB-Supported Turboexpander-Generator for Natural Gas Pressure Letdown

Jeremy Liu, Ovais Najeeb, Larry Hawkins, Rasish Khatri

GT 2023; V11AT22A009https://doi.org/10.1115/GT2023-102053

Abstract

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Topics: Generators , Magnetic bearings , Natural gas , Pressure

On the Influence of Bearing Modeling Details on the Dynamical System Effects of a Mid-Size Turbocharger Rotor

Arthur Zobel, Christopher Fuhrer, Damian M. Vogt, Alex Nakos, Bernd Beirow, Alexander Blessing, Carolin Zippack

GT 2023; V11AT22A010https://doi.org/10.1115/GT2023-102098

Abstract

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Topics: Bearings , Dynamic systems , Modeling , Rotors , Turbochargers , Compressors , Turbines , Wheels , Damping , Excitation

The Impact of Thermal Load and Turbulent Flow on Minimum Film Thickness of a Large Tilting-Pad Journal Bearing

Daniel Vetter, Thomas Hagemann, Hubert Schwarze

GT 2023; V11AT22A011https://doi.org/10.1115/GT2023-102244

Abstract

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Topics: Film thickness , Journal bearings , Thermal loads , Turbulence

Pressure Actuated Leaf Seal Design and Test for sCO2 Applications

Clayton Grondahl, Rich Armstrong

GT 2023; V11AT22A012https://doi.org/10.1115/GT2023-102258

Abstract

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Topics: Design , Pressure , Leakage , Sealing (Process) , Cycles , Dynamic testing (Engineering) , Dynamic testing (Materials) , Energy conversion , Leakage flows , Turbomachinery

Computational Fluid Dynamics Analysis and Experimental Results for the Dynamic Performance of Two Long Smooth Surface Annular Seals Operating With a Liquid in Air Mixture

Jing Yang, Dung L. Tran, Luis San Andrés

GT 2023; V11AT22A013https://doi.org/10.1115/GT2023-102302

Abstract

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Topics: Computational fluid dynamics

CFD Analysis and Experimental Validation of a sCO₂ Pocket Damper Seal

Manjush Ganiger, Giuseppe Vannini, Manuele Bigi, R. Vidyasagar, Filippo Cangioli

GT 2023; V11AT22A014https://doi.org/10.1115/GT2023-102395

Abstract

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Topics: Computational fluid dynamics , Dampers , Pistons

Machine Learning Based Optimizer for Tilting Pad Journal Bearing Inlet Flowrate

Edoardo Gheller, Steven Chatterton, Daniele Panara, Gabriele Turini, Paolo Pennacchi

GT 2023; V11AT22A015https://doi.org/10.1115/GT2023-102562

Abstract

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Topics: Artificial neural networks , Journal bearings , Machine learning , Optimization

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

GT 2023; V11AT22A016https://doi.org/10.1115/GT2023-102567

Abstract

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Topics: Dampers , Design , Organic Rankine cycle , Outflow , Turbines

A Novel Testing Methodology to Predict the Endurance of Ball Joints in Absence of Lubrication at High Temperature

Federico Bucciarelli, Giuseppe Macoretta, Bernardo Disma Monelli, Marco Beghini, Federico Conforti, Michelangelo Bellacci, Enrico Giusti

GT 2023; V11AT22A017https://doi.org/10.1115/GT2023-102586

Abstract

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Topics: High temperature , Lubrication , Nozzle guide vanes , Testing

Design of a New Bench for High Temperature Static and Endurance Testing of Nozzle Guide Vane Bushing

Federico Bucciarelli, Enrico Giusti, Michelangelo Bellacci, Damaso Checcacci, Francesco Maestrale, Salvatore Manconi

GT 2023; V11AT22A018https://doi.org/10.1115/GT2023-102595

Abstract

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Topics: Bushings , Design , High temperature , Nozzle guide vanes , Testing

A Full Three-Dimensional Transient Fluid-Structure Interaction Model for the Dynamic Characteristics Predictions of Bump-Type Gas Foil Journal Bearings

Zhuocong Li, Zhigang Li, Jun Li

GT 2023; V11AT22A019https://doi.org/10.1115/GT2023-102802

Abstract

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Topics: Fluid structure interaction , Journal bearings , Rotors , Transients (Dynamics) , Whirls

Experimental Study on the Difference of Direct Damping Coefficients for Piston Ring End-Sealed Squeeze Film Damper With an Offset Groove

Guanghui Zhang, Yanzhong Huang, Wenlong Sun, Yang Guo, Wenjie Gong

GT 2023; V11AT22A020https://doi.org/10.1115/GT2023-102849

Abstract

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Topics: Dampers , Damping , Piston rings

Experimental Characterization of a Two Stage Brush Seals: Leakage and Torque Measurements

Pascal Jolly, Mihai Arghir, Olivier Bonneau, Rémi Coirier, Giuseppe Fiore

GT 2023; V11AT22A021https://doi.org/10.1115/GT2023-102971

Abstract

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Topics: Experimental characterization , Leakage , Permeability , Torque , Torque measurement , Wear

Dynamic Characterization of an Adaptive Film-Riding Seal

Joshua Bird, Patrick Keogh, Carl Sangan, Aaron Bowsher, Peter Crudgington, James Scobie

GT 2023; V11AT22A022https://doi.org/10.1115/GT2023-103118

Abstract

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Topics: Clearances (Engineering) , Computer simulation , Damping , Design , Displacement , Eddies (Fluid dynamics) , Eddy currents (Electricity) , Fluid films , Fluids , High pressure (Physics)

Measurement of Temperature and Load vs. Bearing Displacement in a Thrust Foil Bearing: Differences Between Light Load and High Load Operation

Luis San Andrés, Azael Duran-Castillo, Oscar de Santiago, Juan Jauregui, Daniel Lubell

GT 2023; V11AT22A023https://doi.org/10.1115/GT2023-103154

Abstract

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Topics: Bearings , Displacement , Foil bearings , Stress , Temperature measurement , Thrust

Dynamic Performance of Liquid Smooth Annular Seal Operating in the Transition Regime

Seung-Hyeop Hyun, Adolfo Delgado

GT 2023; V11AT22A024https://doi.org/10.1115/GT2023-103158

Abstract

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Topics: Damping , Excitation , Flow (Dynamics) , Leakage , Pressure , Reynolds number , Rotors , Stiffness , Turbulence

Effect of Reduced Oil Flow Rate on the Performance of a Load on Pad Journal Bearing: Flooded vs. Evacuated Conditions

Luis San Andrés, Zihan Ouyang, Yudi Qin

GT 2023; V11AT22A025https://doi.org/10.1115/GT2023-103242

Abstract

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Topics: Bearings , Flow (Dynamics) , Journal bearings , Stress , Drag (Fluid dynamics) , Damping , Temperature , Babbitt metal , Energy consumption , Failure

Research on Robustness Analysis and Evaluation Method of Inter-Shaft Bearing-Rear Journal of Low Press Turbine System

Fangming Liu, Jie Hong, Yanhong Ma, Xueqi Chen

GT 2023; V11AT22A026https://doi.org/10.1115/GT2023-103469

Abstract

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Topics: Bearings , Damage , Evaluation methods , Robustness , Stiffness , Turbines

Transient Tip Clearance Prediction Model Considering Transient Radial Temperature Distribution of Discs in a Gas Turbine Engine

Jie Wei, Heli Yang, Pengbo Zheng, Baotong Wang, Xinqian Zheng

GT 2023; V11AT22A027https://doi.org/10.1115/GT2023-103522

Abstract

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Topics: Clearances (Engineering) , Disks , Fluids , Gas turbines , Temperature distribution , Transient heat transfer , Transients (Dynamics)

Numerical Investigations of Sector-Shaped Hybrid Fluid Film Thrust Bearing for High-Speed sCO2 Turbomachinery

Ashutosh Patel, Pramod Kumar

GT 2023; V11AT22A028https://doi.org/10.1115/GT2023-103582

Abstract

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Topics: Discharge coefficient , Fluid films , Supercritical carbon dioxide , Thrust bearings , Turbomachinery

Elastic and Damping Characterization of Open-Pore Metal Foams Filled or Not With an Elastomer for Vibration Control in Turbomachinery

Endri Laçaj, Pascal Jolly, Jean Bouyer, Pascal Doumalin

GT 2023; V11AT22A029https://doi.org/10.1115/GT2023-103683

Abstract

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Topics: Bearings , Composite materials , Damping , Elastomers , Metal foams , Turbomachinery , Vibration , Vibration control

An Algorithm for Starved Lubricated Journal Bearings With Optionally Locked Lube Oil Feed Grooves

Thomas Hagemann, Daniel Vetter, Hubert Schwarze

GT 2023; V11AT22A030https://doi.org/10.1115/GT2023-103732

Abstract

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Topics: Algorithms , Cavitation , Journal bearings

Review of Technologies Used in Gas Journal Bearing Test Rigs

Aaron Rimpel, Ali Shakil, Thomas Kerr, Robert Lipham

GT 2023; V11AT22A031https://doi.org/10.1115/GT2023-103827

Abstract

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Topics: Gas bearings , Journal bearings

High Speed Rotary Atomizer Supported on Porous Type Gas Bearings: Challenges Faced, Operability Demonstration and Load Testing

Vishal Wadhvani, Claude Bazergui, Paul Mehan, Michael Smith, Anthony Michael

GT 2023; V11AT22A032https://doi.org/10.1115/GT2023-103885

Abstract

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Topics: Gas bearings , Stress , Testing

3D Modelling of a Hydraulic Seal With an Oil Feed, Focussing on the Effect of the Jet on the Behaviour of Oil in the Trough

Achinie Warusevitane, Rajab Omar, Kathy Johnson, Stephen Ambrose

GT 2023; V11AT22A033https://doi.org/10.1115/GT2023-103935

Abstract

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Topics: Aircraft engines , Cavities , Centrifugal force , Computational fluid dynamics , Computer simulation , Drops , Film thickness , Flow (Dynamics) , Fluids , Fuel oils

Effect of Centrifugal Force of Gas Film on the Load Capacity of Thrust Gas Bearing

Daejong Kim

GT 2023; V11AT22A034https://doi.org/10.1115/GT2023-103950

Abstract

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Topics: Bearings , Centrifugal force , Gas bearings , Stress , Thrust , Thrust bearings

Development of a 250,000 Lb Thrust Bearing Test Rig With Experimental Results

Jason Wilkes, Farhan Ahmed Omer, Thomas Kerr

GT 2023; V11AT22A035https://doi.org/10.1115/GT2023-103960

Abstract

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Topics: Thrust bearings , Bearings , Stress , Rollers , Cooling , Design , Displacement , Drag (Fluid dynamics) , Engines , Failure

On the Performance of Hydrostatic Journal Bearings in Air, Water, and Liquid Nitrogen: Measurements and Predictions

Hyunsung Jung, Kyuman Kim, Keun Ryu

GT 2023; V11AT22A036https://doi.org/10.1115/GT2023-104040

Abstract

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Topics: Bearings , Hydrostatics , Journal bearings , Nitrogen , Stress , Water

Experimental Force Coefficients of a Hydrostatic Thrust Bearing and Comparisons to Predictions

Homin Lim, Keun Ryu

GT 2023; V11AT22A037https://doi.org/10.1115/GT2023-104057

Abstract

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Topics: Bearings , Fluid films , Hammers , Hydrostatics , Stress , Thrust bearings

Identification of Dynamic Force Coefficients for an Additively Manufactured Hermetic Squeeze Film Bearing Support Damper Utilizing a Pass-Through Channel

Bugra Ertas, Keith Gary, Tom Adcock

GT 2023; V11AT22A038https://doi.org/10.1115/GT2023-104108

Abstract

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Topics: Additive manufacturing , Bearings , Dampers , Stiffness , Damping , Design , Fluid structure interaction , Computational fluid dynamics , Dynamic testing (Engineering) , Finite element analysis