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Proceedings Papers

High Speed H2 Centrifugal Compressor: a General Review of Journal Bearing Design and Experimental Validation

Giuseppe Vannini, Carolina Giannelli, Dario Matina, Filippo Cangioli
Proc. ASME. GT2024, Volume 10B: Structures and Dynamics — Fatigue, Fracture, and Life Prediction; Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V10BT26A005, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-122482
https://doi.org/10.1115/GT2024-122482
View Paper titled, High Speed H2 Centrifugal Compressor: a General Review of Journal Bearing Design and Experimental Validation
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Topics: Bearings, Bending (Stress), Compressors, Design, Hydrogen, Journal bearings, Rotors, Bearing design, Compression, Dampers
Proceedings Papers

Gas Turbines Cantilever Nozzles Simplified Approach for Performance and Structural Optimization

Andrea Fardelli, Giacomo Ragni, Daniele Di Benedetto, Alessandro De Luca, Simone Colantoni
Proc. ASME. GT2023, Volume 13D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V13DT34A006, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-101604
https://doi.org/10.1115/GT2023-101604
View Paper titled, Gas Turbines Cantilever Nozzles Simplified Approach for Performance and Structural Optimization
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Topics: Bending (Stress), Cantilevers, Gas turbines, Nozzles, Structural optimization
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
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-82830
https://doi.org/10.1115/GT2022-82830
View Paper titled, Non-Linear Damper-Blade Coupling Calculations Reduced to Essentials
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Topics: Blades, Dampers, Airfoils, Cycles, Finite element model, Rotation, Bending (Stress), Construction, Damping, Design
Proceedings Papers

Rotordynamic Evaluation of a Large High-Speed Rotor Equipped With Flexure Pivot Journal Bearings and Integral Squeeze Film Damper

Giuseppe Vannini, Alice Innocenti, Filippo Cangioli, Kim Jongsoo
Proc. ASME. GT2021, Volume 9B: Structures and Dynamics — Fatigue, Fracture, and Life Prediction; Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V09BT28A001, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-58800
https://doi.org/10.1115/GT2021-58800
View Paper titled, Rotordynamic Evaluation of a Large High-Speed Rotor Equipped With Flexure Pivot Journal Bearings and Integral Squeeze Film Damper
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Topics: Bearings, Bending (Stress), Dampers, Journal bearings, Rotors
Proceedings Papers

Experiments on a Large Flexure Pivot Journal Bearing: Summary of Test Results and Comparison With Predictions

Giuseppe Vannini, Filippo Cangioli, Enrico Ciulli, Matteo Nuti, Paola Forte, Jongsoo Kim, Richard Livermore-Hardy
Proc. ASME. GT2019, Volume 7B: Structures and Dynamics, V07BT34A009, June 17–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-90278
https://doi.org/10.1115/GT2019-90278
View Paper titled, Experiments on a Large Flexure Pivot Journal Bearing: Summary of Test Results and Comparison With Predictions
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Topics: Bending (Stress), Journal bearings, Stress, Compressors, Bearings, Boundary-value problems, Design, Flow (Dynamics), Hydraulic actuators, Instrumentation
Proceedings Papers

An Investigation of the End-Notched Flexure and End-Loaded Split Tests Applied to the Mode II Interlaminar Fracture of a SiC/SiC Ceramic Matrix Composite

Michael J. Presby, K. Manigandan, Gregory N. Morscher, Cody Godines, Amir Eftekharian, Jalees Ahmad, Frank Abdi, Sung R. Choi
Proc. ASME. GT2019, Volume 6: Ceramics; Controls, Diagnostics, and Instrumentation; Education; Manufacturing Materials and Metallurgy, V006T02A001, June 17–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-90031
https://doi.org/10.1115/GT2019-90031
View Paper titled, An Investigation of the End-Notched Flexure and End-Loaded Split Tests Applied to the Mode II Interlaminar Fracture of a SiC/SiC Ceramic Matrix Composite
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Topics: Bending (Stress), Ceramic matrix composites, Composite materials, Delamination, Fracture (Materials), Fracture toughness, Silicon carbide ceramics
Proceedings Papers

Vibration Control for Rotor Mounted on a Novel Active Bump Type Foil Bearing With Controllable Mechanical Preloads

Hanqing Guan, Tianyu Liu, Tao Zhang, Kai Feng, Zhiyang Guo
Proc. ASME. GT2018, Volume 7B: Structures and Dynamics, V07BT34A028, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-75894
https://doi.org/10.1115/GT2018-75894
View Paper titled, Vibration Control for Rotor Mounted on a Novel Active Bump Type Foil Bearing With Controllable Mechanical Preloads
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Topics: Foil bearings, Rotors, Vibration control, Bearings, Levers, Deformation, Adaptive structures, Bending (Stress), Clearances (Engineering), Drag (Fluid dynamics)
Proceedings Papers

Effects of Tip Shroud Geometries on Low-Pressure Turbine Performance

Sébastien Le Guyader, Jacques Démolis, Julien Munoz
Proc. ASME. GT2016, Volume 2B: Turbomachinery, V02BT38A001, June 13–17, 2016
Publisher: American Society of Mechanical Engineers
Paper No: GT2016-56006
https://doi.org/10.1115/GT2016-56006
View Paper titled, Effects of Tip Shroud Geometries on Low-Pressure Turbine Performance
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Topics: Pressure, Turbines, Flow (Dynamics), Rotors, Blades, Leakage flows, Airfoils, Bending (Stress), Clearances (Engineering), Computation
Proceedings Papers

A Water Lubricated Hybrid Thrust Bearing: Measurements and Predictions of Static Load Performance

Luis San Andrés, Stephen Phillips, Dara Childs
Proc. ASME. GT2016, Volume 7B: Structures and Dynamics, V07BT31A010, June 13–17, 2016
Publisher: American Society of Mechanical Engineers
Paper No: GT2016-56349
https://doi.org/10.1115/GT2016-56349
View Paper titled, A Water Lubricated Hybrid Thrust Bearing: Measurements and Predictions of Static Load Performance
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Topics: Stress, Thrust bearings, Water, Bearings, Flow (Dynamics), Pressure, Rotors, Clearances (Engineering), Thrust, Engines
Proceedings Papers

Rotordynamic Performance Predictions of Flexure Pivot Tilting Pad Bearings and Comparison to Published Test Data

Tae Ho Kim, Kyung Eun Jang, Tae Gyu Choi
Proc. ASME. GT2016, Volume 7B: Structures and Dynamics, V07BT31A008, June 13–17, 2016
Publisher: American Society of Mechanical Engineers
Paper No: GT2016-56284
https://doi.org/10.1115/GT2016-56284
View Paper titled, Rotordynamic Performance Predictions of Flexure Pivot Tilting Pad Bearings and Comparison to Published Test Data
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Topics: Bearings, Bending (Stress), Stiffness, Damping, Rotors, Stress, Whirls, Pressure, Stability, Deflection
Proceedings Papers

Comparative Lift-Off Performance in Flexure Pivot Pad and Hybrid (Hydrostatic and Hydrodynamic) Bearings With Water as the Test Fluid

Dara W. Childs, David Mertz
Proc. ASME. GT2016, Volume 7B: Structures and Dynamics, V07BT31A002, June 13–17, 2016
Publisher: American Society of Mechanical Engineers
Paper No: GT2016-56212
https://doi.org/10.1115/GT2016-56212
View Paper titled, Comparative Lift-Off Performance in Flexure Pivot Pad and Hybrid (Hydrostatic and Hydrodynamic) Bearings With Water as the Test Fluid
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Topics: Bearings, Bending (Stress), Fluids, Hydrostatics, Water, Stress, Pressure, Peak load, Centrifugal pumps, Design
Proceedings Papers

Ceramic Matrix Composite Interlaminar Fracture Toughness (Mode I-II) Characterization

Frank Abdi, Harsh Baid, Jalees Ahmad, Steve Gonczy, Gregory N. Morscher, Sung Choi, Cody Godines
Proc. ASME. GT2015, Volume 6: Ceramics; Controls, Diagnostics and Instrumentation; Education; Manufacturing Materials and Metallurgy; Honors and Awards, V006T02A004, June 15–19, 2015
Publisher: American Society of Mechanical Engineers
Paper No: GT2015-44047
https://doi.org/10.1115/GT2015-44047
View Paper titled, Ceramic Matrix Composite Interlaminar Fracture Toughness (Mode I-II) Characterization
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Topics: Ceramic matrix composites, Fracture toughness, Fracture (Materials), Fracture (Process), ASTM International, Failure mechanisms, Temperature, Tension, Algorithms, Bending (Stress)
Proceedings Papers

Development and Application of Low Pressure Stages for Large Flow and High Speed Unit

Xiaopeng Xin, Yongfeng Sui, Hanzhong Mao, Peng Chu, Jianqiang Kong, Zhong Ye
Proc. ASME. GT2015, Volume 8: Microturbines, Turbochargers and Small Turbomachines; Steam Turbines, V008T26A003, June 15–19, 2015
Publisher: American Society of Mechanical Engineers
Paper No: GT2015-42135
https://doi.org/10.1115/GT2015-42135
View Paper titled, Development and Application of Low Pressure Stages for Large Flow and High Speed Unit
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Topics: Flow (Dynamics), Pressure, Blades, Bending (Stress), Design, Stress, Computational fluid dynamics, Computer-aided engineering, Feedwater, Fluids
Proceedings Papers

Failure of a Test Rig Operating With Pressurized Gas Bearings: A Lesson on Humility

Luis San Andrés, Michael Rohmer, Sangshin Park
Proc. ASME. GT2015, Volume 7A: Structures and Dynamics, V07AT30A001, June 15–19, 2015
Publisher: American Society of Mechanical Engineers
Paper No: GT2015-42556
https://doi.org/10.1115/GT2015-42556
View Paper titled, Failure of a Test Rig Operating With Pressurized Gas Bearings: A Lesson on Humility
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Topics: Bearings, Failure, Pressurized gas, Rotors, Gas bearings, Whirls, Bending (Stress), Rotordynamics, Thrust bearings, Damage
Proceedings Papers

Bump-Type Foil Bearings and Flexure Pivot Tilting Pad Bearings for Oil-Free Automotive Turbochargers: Highlights in Rotordynamic Performance

Keun Ryu, Zachary Ashton
Proc. ASME. GT2015, Volume 8: Microturbines, Turbochargers and Small Turbomachines; Steam Turbines, V008T23A026, June 15–19, 2015
Publisher: American Society of Mechanical Engineers
Paper No: GT2015-43927
https://doi.org/10.1115/GT2015-43927
View Paper titled, Bump-Type Foil Bearings and Flexure Pivot Tilting Pad Bearings for Oil-Free Automotive Turbochargers: Highlights in Rotordynamic Performance
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Topics: Bearings, Bending (Stress), Foil bearings, Turbochargers, Rotors, Gas bearings, Temperature, Clearances (Engineering), Reliability, Stability
Proceedings Papers

Advanced Industrial Turbine Gear Calculation Methods

Manfred Hirt
Proc. ASME. GT1978, Volume 1B: General, V01BT02A073, April 9–13, 1978
Publisher: American Society of Mechanical Engineers
Paper No: 78-GT-174
https://doi.org/10.1115/78-GT-174
View Paper titled, Advanced Industrial Turbine Gear Calculation Methods
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Topics: Computational methods, Gears, Turbines, Bearings, Bending (Stress), Pressure, Stress, Vibration analysis
Proceedings Papers

On the Thermal Stresses Generated in Cylindrical Shells With Application to Gas Turbine Combustors

H. A. Nied
Proc. ASME. GT1982, Volume 5: Manufacturing Materials and Metallurgy; Ceramics; Structures and Dynamics; Controls, Diagnostics and Instrumentation; Education; Process Industries; Technology Resources; General, V005T13A028, April 18–22, 1982
Publisher: American Society of Mechanical Engineers
Paper No: 82-GT-310
https://doi.org/10.1115/82-GT-310
View Paper titled, On the Thermal Stresses Generated in Cylindrical Shells With Application to Gas Turbine Combustors
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Topics: Combustion chambers, Gas turbines, Pipes, Thermal stresses, Cooling, Bending (Stress), Fatigue failure, Shear stress, Temperature, Temperature distribution
Proceedings Papers

Torsional Analysis of Partially Closed Open Section

R. K. Mysore
Proc. ASME. GT1983, Volume 5: Ceramics; Structures and Dynamics; Controls, Diagnostics and Instrumentation; Education; Process Industries, V005T12A021, March 27–31, 1983
Publisher: American Society of Mechanical Engineers
Paper No: 83-GT-202
https://doi.org/10.1115/83-GT-202
View Paper titled, Torsional Analysis of Partially Closed Open Section
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Topics: Bending (Stress), Design, Stiffness, Stress, Warping
Proceedings Papers

Assessment of a Failure Probability Prediction Technique for Ceramic Heat Exchanger Components

Kenneth O. Smith, Roger B. Poeppel
Proc. ASME. GT1985, Volume 4: Manufacturing Materials and Metallurgy; Ceramics; Structures and Dynamics; Controls, Diagnostics and Instrumentation; Education; Process Industries, V004T12A003, March 18–21, 1985
Publisher: American Society of Mechanical Engineers
Paper No: 85-GT-178
https://doi.org/10.1115/85-GT-178
View Paper titled, Assessment of a Failure Probability Prediction Technique for Ceramic Heat Exchanger Components
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Topics: Ceramics, Failure, Heat exchangers, Probability, Stress, Analytical design, Axial flow, Bending (Stress), Finite element analysis, Testing
Proceedings Papers

Ceramics Reliability: Statistical Analysis of Multiaxial Failure Using the Weibull Approach and the Multiaxial Elemental Strength Model

Jacques Lamon
Proc. ASME. GT1988, Volume 5: Manufacturing Materials and Metallurgy; Ceramics; Structures and Dynamics; Controls, Diagnostics and Instrumentation, V005T13A004, June 6–9, 1988
Publisher: American Society of Mechanical Engineers
Paper No: 88-GT-147
https://doi.org/10.1115/88-GT-147
View Paper titled, Ceramics Reliability: Statistical Analysis of Multiaxial Failure Using the Weibull Approach and the Multiaxial Elemental Strength Model
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Topics: Ceramics, Failure, Reliability, Statistical analysis, Arches, Approximation, Bending (Stress), Design, Die cutting, Finite element analysis