1-20 of 32
Knudsen number
Close
Save search
Follow your search
Access your saved searches in your account
Would you like to receive an alert when new items match your search?
Close Modal
Sort by
Proceedings Papers

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

Available to Purchase

Jason Wilkes, Farhan Ahmed Omer, Thomas Kerr
Proc. ASME. GT2023, Volume 11A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics, V11AT22A035, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-103960
https://doi.org/10.1115/GT2023-103960
View Paper titled, Development of a 250,000 Lb Thrust Bearing Test Rig With Experimental Results
Open the PDF for Development of a 250,000 Lb Thrust Bearing Test Rig With Experimental Results in another window
Topics: Thrust bearings, Bearings, Stress, Rollers, Cooling, Design, Displacement, Drag (Fluid dynamics), Engines, Failure
Proceedings Papers

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

Available to Purchase

Jose Torres, Luis San Andrés
Proc. ASME. GT2023, Volume 11A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics, V11AT22A002, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
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
Open the PDF for Leakage and Rotordynamic Force Coefficients of a Labyrinth Seal and a Pocket Damper Seal Operating With Wet Gas in another window
Topics: Dampers, Leakage, Clearances (Engineering), Damping, Uncertainty, Cavities, Compressors, Design, Engineers, Errors
Proceedings Papers

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

Available to Purchase

Bugra Ertas, Keith Gary, Tom Adcock
Proc. ASME. GT2023, Volume 11A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics, V11AT22A038, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-104108
https://doi.org/10.1115/GT2023-104108
View Paper titled, Identification of Dynamic Force Coefficients for an Additively Manufactured Hermetic Squeeze Film Bearing Support Damper Utilizing a Pass-Through Channel
Open the PDF for Identification of Dynamic Force Coefficients for an Additively Manufactured Hermetic Squeeze Film Bearing Support Damper Utilizing a Pass-Through Channel in another window
Topics: Additive manufacturing, Bearings, Dampers, Stiffness, Damping, Design, Fluid structure interaction, Computational fluid dynamics, Dynamic testing (Engineering), Finite element analysis
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

Available to Purchase

Bugra Ertas, John Powers, Keith Gary, Dave Torrey, Joseph Zierer, Peggy Baehmann, Vandana Rallabandi, Tom Adcock, Nevin Anandika, Rahul A. Bidkar
Proc. ASME. GT2023, Volume 12: Supercritical CO2, V012T28A030, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
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

Novel Approach for Optical Characterization of Thrust Collar Lubricated Area: Experimental and Numerical Results

Available to Purchase

Thomas Kerr, Adolfo Delgado
Proc. ASME. GT2020, Volume 10A: Structures and Dynamics, V10AT25A025, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-15467
https://doi.org/10.1115/GT2020-15467
View Paper titled, Novel Approach for Optical Characterization of Thrust Collar Lubricated Area: Experimental and Numerical Results
Open the PDF for Novel Approach for Optical Characterization of Thrust Collar Lubricated Area: Experimental and Numerical Results in another window
Topics: Thrust, Cavitation, Stress, Turbulence, Computational fluid dynamics, Modeling, Pressure, Algorithms, Bearings, Compressors
Proceedings Papers

A General-Purpose Test Facility for Evaluating Gas Lubricated Thrust Bearings

Available to Purchase

Keith Gary, Bugra Ertas, Adolfo Delgado
Proc. ASME. GT2020, Volume 10A: Structures and Dynamics, V10AT25A027, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-15520
https://doi.org/10.1115/GT2020-15520
View Paper titled, A General-Purpose Test Facility for Evaluating Gas Lubricated Thrust Bearings
Open the PDF for A General-Purpose Test Facility for Evaluating Gas Lubricated Thrust Bearings in another window
Topics: Test facilities, Thrust bearings, Bearings, Fluids, Design, Gas turbines, Hydrostatics, Lubricants, Stress, Testing
Proceedings Papers

Numerical Investigation for Characteristics and Oil-Air Distributions of a Tilting-Pad Journal Bearing Under Different Loads

Available to Purchase

Aoshuang Ding, Xuesong Li
Proc. ASME. GT2020, Volume 10A: Structures and Dynamics, V10AT25A024, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-15151
https://doi.org/10.1115/GT2020-15151
View Paper titled, Numerical Investigation for Characteristics and Oil-Air Distributions of a Tilting-Pad Journal Bearing Under Different Loads
Open the PDF for Numerical Investigation for Characteristics and Oil-Air Distributions of a Tilting-Pad Journal Bearing Under Different Loads in another window
Topics: Bearings, Cavitation, Journal bearings, Stress, Flow (Dynamics), Turbulence, Film thickness, Knudsen number, Rotors, Simulation results
Proceedings Papers

Improvement and Analysis for a Gaseous Cavitation Model Applied in a Tilting-Pad Journal Bearing

Available to Purchase

Aoshuang Ding, Xuesong Li, Yuhong Li
Proc. ASME. GT2019, Volume 7B: Structures and Dynamics, V07BT34A017, June 17–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-90626
https://doi.org/10.1115/GT2019-90626
View Paper titled, Improvement and Analysis for a Gaseous Cavitation Model Applied in a Tilting-Pad Journal Bearing
Open the PDF for Improvement and Analysis for a Gaseous Cavitation Model Applied in a Tilting-Pad Journal Bearing in another window
Topics: Cavitation, Journal bearings, Transients (Dynamics), Bearings, Equilibrium (Physics), Engineering simulation, Pressure, Simulation, Stress, Knudsen number
Proceedings Papers

Numerical Investigation for Characteristics and Oil-Air Distributions of Oil Film in a Tilting-Pad Journal Bearing

Available to Purchase

Aoshuang Ding, Yaobing Xiao
Proc. ASME. GT2018, Volume 7B: Structures and Dynamics, V07BT34A027, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-75888
https://doi.org/10.1115/GT2018-75888
View Paper titled, Numerical Investigation for Characteristics and Oil-Air Distributions of Oil Film in a Tilting-Pad Journal Bearing
Open the PDF for Numerical Investigation for Characteristics and Oil-Air Distributions of Oil Film in a Tilting-Pad Journal Bearing in another window
Topics: Journal bearings, Cavitation, Shear stress, Bearings, Pressure, Rotors, Stress, Air flow, Computer simulation, High pressure (Physics)
Proceedings Papers

A Thermoelastohydrodynamic Analysis for the Static Performance of High-Speed Heavy Load Tilting-Pad Journal Bearing Operating in the Turbulent Flow Regime and Comparisons to Test Data

Available to Purchase

Hirotoshi Arihara, Yuki Kameyama, Yoshitaka Baba, Luis San Andrés
Proc. ASME. GT2018, Volume 7B: Structures and Dynamics, V07BT34A047, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-77151
https://doi.org/10.1115/GT2018-77151
View Paper titled, A Thermoelastohydrodynamic Analysis for the Static Performance of High-Speed Heavy Load Tilting-Pad Journal Bearing Operating in the Turbulent Flow Regime and Comparisons to Test Data
Open the PDF for A Thermoelastohydrodynamic Analysis for the Static Performance of High-Speed Heavy Load Tilting-Pad Journal Bearing Operating in the Turbulent Flow Regime and Comparisons to Test Data in another window
Topics: Journal bearings, Stress, Turbulence, Temperature, Bearings, Pressure, Deformation, Flow (Dynamics), Rotors, Clearances (Engineering)
Proceedings Papers

Assessment of Bearing Heat Generation Prediction by the Program ADORE With Respect to Experimental Results and SHABERTH Predictions

Available to Purchase

Brian D. Nicholson, Garry D. Givan, Kevin L. Thompson, Justin Mason, Pradeep K. Gupta, Hitesh K. Trivedi
Proc. ASME. GT2017, Volume 1: Aircraft Engine; Fans and Blowers; Marine; Honors and Awards, V001T01A001, June 26–30, 2017
Publisher: American Society of Mechanical Engineers
Paper No: GT2017-63010
https://doi.org/10.1115/GT2017-63010
View Paper titled, Assessment of Bearing Heat Generation Prediction by the Program ADORE With Respect to Experimental Results and SHABERTH Predictions
Open the PDF for Assessment of Bearing Heat Generation Prediction by the Program ADORE With Respect to Experimental Results and SHABERTH Predictions in another window
Topics: Bearings, Heat, Stress, Traction, Aircraft engines, Turbines, Computer software, Dynamics (Mechanics), Knudsen number, Thermal analysis
Proceedings Papers

Oil Film Thickness Measurements on Surfaces Close to an Aero-Engine Ball Bearing Using Optical Techniques

Available to Purchase

Jee Loong Hee, R. Santhosh, Kathy Simmons, Graham Johnson, David Hann, Michael Walsh
Proc. ASME. GT2017, Volume 7A: Structures and Dynamics, V07AT34A017, June 26–30, 2017
Publisher: American Society of Mechanical Engineers
Paper No: GT2017-63813
https://doi.org/10.1115/GT2017-63813
View Paper titled, Oil Film Thickness Measurements on Surfaces Close to an Aero-Engine Ball Bearing Using Optical Techniques
Open the PDF for Oil Film Thickness Measurements on Surfaces Close to an Aero-Engine Ball Bearing Using Optical Techniques in another window
Topics: Aircraft engines, Ball bearings, Film thickness, Bearings, Stress, Flow (Dynamics), Engines, Knudsen number, Imaging, Gas turbines
Proceedings Papers

Experimental Investigation of Oil Shedding From an Aero-Engine Ball Bearing at Moderate Speeds

Available to Purchase

R. Santhosh, Jee Loong Hee, Kathy Simmons, Graham Johnson, David Hann, Michael Walsh
Proc. ASME. GT2017, Volume 7A: Structures and Dynamics, V07AT34A018, June 26–30, 2017
Publisher: American Society of Mechanical Engineers
Paper No: GT2017-63815
https://doi.org/10.1115/GT2017-63815
View Paper titled, Experimental Investigation of Oil Shedding From an Aero-Engine Ball Bearing at Moderate Speeds
Open the PDF for Experimental Investigation of Oil Shedding From an Aero-Engine Ball Bearing at Moderate Speeds in another window
Topics: Aircraft engines, Ball bearings, Bearings, Stress, Engines, Flow (Dynamics), Knudsen number, Rotating disks, Design, Gas turbines
Proceedings Papers

Static Characteristics of Gas Foil Thrust Bearing Based on Gas Rarefaction Model

Available to Purchase

Jiajia Yan, Guanghui Zhang, Zhansheng Liu, Fan Yang
Proc. ASME. GT2015, Volume 7A: Structures and Dynamics, V07AT31A009, June 15–19, 2015
Publisher: American Society of Mechanical Engineers
Paper No: GT2015-42577
https://doi.org/10.1115/GT2015-42577
View Paper titled, Static Characteristics of Gas Foil Thrust Bearing Based on Gas Rarefaction Model
Open the PDF for Static Characteristics of Gas Foil Thrust Bearing Based on Gas Rarefaction Model in another window
Topics: Thrust bearings, Clearances (Engineering), Stress, Film thickness, Rotors, Stiffness, Bearings, Design, Finite difference methods, Iterative methods
Proceedings Papers

On the Leading Edge: Combining Maturity and Advanced Technology on the F404 Turbofan Engine

Free

S. F. Powel, IV
Proc. ASME. GT1990, Volume 2: Aircraft Engine; Marine; Microturbines and Small Turbomachinery, V002T02A006, June 11–14, 1990
Publisher: American Society of Mechanical Engineers
Paper No: 90-GT-149
https://doi.org/10.1115/90-GT-149
View Paper titled, On the Leading Edge: Combining Maturity and Advanced Technology on the F404 Turbofan Engine
Open the PDF for On the Leading Edge: Combining Maturity and Advanced Technology on the F404 Turbofan Engine in another window
Topics: Engines, Turbofans, Design, Knudsen number, Aircraft engines, Blocks (Building materials), Exhaust systems, Fibers, Flight, Nozzles
Proceedings Papers

Development and Turbine Engine Performance of Three Advanced Rhenium Containing Superalloys for Single Crystal and Directionally Solidified Blades and Vanes

Free

Robert W. Broomfield, David A. Ford, Harry K. Bhangu, Malcolm C. Thomas, Donald J. Frasier, Phil S. Burkholder, Ken Harris, Gary L. Erickson, Jacqueline B. Wahl
Proc. ASME. GT1997, Volume 4: Manufacturing Materials and Metallurgy; Ceramics; Structures and Dynamics; Controls, Diagnostics and Instrumentation; Education; IGTI Scholar Award, V004T12A001, June 2–5, 1997
Publisher: American Society of Mechanical Engineers
Paper No: 97-GT-117
https://doi.org/10.1115/97-GT-117
View Paper titled, Development and Turbine Engine Performance of Three Advanced Rhenium Containing Superalloys for Single Crystal and Directionally Solidified Blades and Vanes
Open the PDF for Development and Turbine Engine Performance of Three Advanced Rhenium Containing Superalloys for Single Crystal and Directionally Solidified Blades and Vanes in another window
Topics: Blades, Crystals, Gas turbines, Superalloys, Engines, Alloys, Turbines, Airfoils, Nickel, Coatings
Proceedings Papers

Improved Performance Rhenium Containing Single Crystal Alloy Turbine Blades Utilising PPM Levels of the Highly Reactive Elements Lanthanum and Yttrium

Free

David A. Ford, Keith P. L. Fullagar, Harry K. Bhangu, Malcolm C. Thomas, Phil S. Burkholder, Paul S. Korinko, Ken Harris, Jacqueline B. Wahl
Proc. ASME. GT1998, Volume 5: Manufacturing Materials and Metallurgy; Ceramics; Structures and Dynamics; Controls, Diagnostics and Instrumentation; Education, V005T12A002, June 2–5, 1998
Publisher: American Society of Mechanical Engineers
Paper No: 98-GT-371
https://doi.org/10.1115/98-GT-371
View Paper titled, Improved Performance Rhenium Containing Single Crystal Alloy Turbine Blades Utilising PPM Levels of the Highly Reactive Elements Lanthanum and Yttrium
Open the PDF for Improved Performance Rhenium Containing Single Crystal Alloy Turbine Blades Utilising PPM Levels of the Highly Reactive Elements Lanthanum and Yttrium in another window
Topics: Alloys, Crystals, Lanthanum, Turbine blades, Yttrium, Blades, Coatings, Oxidation, Airfoils, Ceramics
Proceedings Papers

A 35,000 RPM Test Rig for Magnetic, Hybrid and Back-Up Bearings

Free

Erik E. Swanson, James F. Walton, II, Hooshang Heshmat
Proc. ASME. GT1999, Volume 4: Manufacturing Materials and Metallurgy; Ceramics; Structures and Dynamics; Controls, Diagnostics and Instrumentation; Education; IGTI Scholar Award; General, V004T03A019, June 7–10, 1999
Publisher: American Society of Mechanical Engineers
Paper No: 99-GT-180
https://doi.org/10.1115/99-GT-180
View Paper titled, A 35,000 RPM Test Rig for Magnetic, Hybrid and Back-Up Bearings
Open the PDF for A 35,000 RPM Test Rig for Magnetic, Hybrid and Back-Up Bearings in another window
Topics: Bearings, Magnetic bearings, Damage, Failure, Knudsen number, Machinery, Stress, Turbomachinery
Proceedings Papers

Performance of a Foil-Magnetic Hybrid Bearing

Available to Purchase

Erik E. Swanson, Hooshang Heshmat, James Walton, II
Proc. ASME. GT2000, Volume 4: Manufacturing Materials and Metallurgy; Ceramics; Structures and Dynamics; Controls, Diagnostics and Instrumentation; Education, V004T03A053, May 8–11, 2000
Publisher: American Society of Mechanical Engineers
Paper No: 2000-GT-0411
https://doi.org/10.1115/2000-GT-0411
View Paper titled, Performance of a Foil-Magnetic Hybrid Bearing
Open the PDF for Performance of a Foil-Magnetic Hybrid Bearing in another window
Topics: Bearings, Stress, Magnetic bearings, Foil bearings, Rotors, Knudsen number, Control algorithms, Failure, Gas turbines, Rotordynamics
Proceedings Papers

Design Improvements of the EJ 200 HP Compressor: From Design Verification Engine to a Future All Blisk Version

Available to Purchase

O. E. Kosing, R. Scharl, H. J. Schmuhl
Proc. ASME. GT2001, Volume 1: Aircraft Engine; Marine; Turbomachinery; Microturbines and Small Turbomachinery, V001T01A001, June 4–7, 2001
Publisher: American Society of Mechanical Engineers
Paper No: 2001-GT-0283
https://doi.org/10.1115/2001-GT-0283
View Paper titled, Design Improvements of the EJ 200 HP Compressor: From Design Verification Engine to a Future All Blisk Version
Open the PDF for Design Improvements of the EJ 200 HP Compressor: From Design Verification Engine to a Future All Blisk Version in another window
Topics: Compressors, Design, Engines, Thrust, Clearances (Engineering), Flight, Weight (Mass), Aircraft, Containment, Fire