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Proceedings Papers

Effect of Pad Material, Copper vs. Steel, on the Performance of a Tilting Pad Journal Bearing: Measurements and Predictions

Luis San Andrés, Hussain Kaizar, Hardik Jani, Manish Thorat
Proc. ASME. GT2021, Volume 9A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics; Emerging Methods in Design and Engineering, V09AT24A017, June 7–11, 2021
Paper No: GT2021-59401
DOI: https://doi.org/10.1115/GT2021-59401
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Topics: Copper, Journal bearings, Steel, Bearings, Stress, Temperature, Stiffness, Clearances (Engineering), Damping, Drag (Fluid dynamics)
Proceedings Papers

Data-Driven Approach for Identifying Mistuning in As-Manufactured Blisks

Sean T. Kelly, Andrea Lupini, Bogdan I. Epureanu
Proc. ASME. GT2021, Volume 9B: Structures and Dynamics — Fatigue, Fracture, and Life Prediction; Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V09BT29A025, June 7–11, 2021
Paper No: GT2021-59887
DOI: https://doi.org/10.1115/GT2021-59887
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Topics: Artificial neural networks, Blades, Cantilevers, Computational methods, Damping, Density, Disks, Dynamics (Mechanics), Engines, Excitation
Proceedings Papers

Micromechanical Modeling Tension-Compression Fatigue Hysteresis Loops Model of Fiber-Reinforced Ceramic-Matrix Composites Considering Fibers Failure

Longbiao Li
Proc. ASME. GT2021, Volume 6: Ceramics and Ceramic Composites; Coal, Biomass, Hydrogen, and Alternative Fuels; Microturbines, Turbochargers, and Small Turbomachines, V006T02A002, June 7–11, 2021
Paper No: GT2021-58485
DOI: https://doi.org/10.1115/GT2021-58485
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Topics: Ceramics, Composite materials, Compression, Failure, Fatigue, Fibers, Modeling, Tension, Stress, Ceramic matrix composites
Proceedings Papers

Cryogenic Fuel Storage Modelling and Optimisation for Aircraft Applications

Pavlos Rompokos, Andrew Rolt, Devaiah Nalianda, Thierry Sibilli, Claire Benson
Proc. ASME. GT2021, Volume 6: Ceramics and Ceramic Composites; Coal, Biomass, Hydrogen, and Alternative Fuels; Microturbines, Turbochargers, and Small Turbomachines, V006T03A001, June 7–11, 2021
Paper No: GT2021-58595
DOI: https://doi.org/10.1115/GT2021-58595
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Topics: Aircraft, Fuel storage, Heat transfer, Hydrogen, Modeling, Optimization, Fuels, Design, Insulation, Pressure
Proceedings Papers

Design and Testing of an Internally-Cooled Radial Turbine With High Tip Speed

Grant O. Musgrove, January Smith, Ellen Smith, Steve White
Proc. ASME. GT2021, Volume 6: Ceramics and Ceramic Composites; Coal, Biomass, Hydrogen, and Alternative Fuels; Microturbines, Turbochargers, and Small Turbomachines, V006T19A006, June 7–11, 2021
Paper No: GT2021-58934
DOI: https://doi.org/10.1115/GT2021-58934
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Topics: Additive manufacturing, Cooling, Design, Gas turbines, Heat transfer, Impellers, Testing, Turbines, Manufacturing, Blades
Proceedings Papers

Manufacturing Technologies for Fir Tree Slots: A Technological and Economic Evaluation

Lukas Heidemanns, Tobias Seelbach, Ugur Küpper, Martin Seimann, Thomas Bergs
Proc. ASME. GT2021, Volume 7: Industrial and Cogeneration; Manufacturing Materials and Metallurgy, V007T17A014, June 7–11, 2021
Paper No: GT2021-59652
DOI: https://doi.org/10.1115/GT2021-59652
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Topics: Economic analysis, Electrical discharge machining, Machining, Manufacturing technology, Wire, Geometry, Manufacturing, Disks, Engines, Cutting tools
Proceedings Papers

A Review of the Prospect and Challenges for Developing and Marketing a Brayton-Cycle Based Power Genset Gas-Turbine Using Supercritical CO 2 : Part I — The General System Challenges

Jinbo Chen, Abraham Engeda
Proc. ASME. GT2020, Volume 6: Education; Electric Power, V006T08A002, September 21–25, 2020
Paper No: GT2020-14270
DOI: https://doi.org/10.1115/GT2020-14270
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Topics: Brayton cycle, Gas turbines, Supercritical carbon dioxide, Thermodynamic power cycles, Fluids, Compression, Cycles, Design, Emissions, Compressibility
Proceedings Papers

Study on the Reduction of the Resonant Stress of Turbine Blades Caused by the Stage Interaction Force (Simultaneous Optimization of Blade Resonant Stress and Amount of Unbalance)

Yasutomo Kaneko, Toshio Watanabe, Tatsuya Furukawa
Proc. ASME. GT2020, Volume 11: Structures and Dynamics: Structural Mechanics, Vibration, and Damping; Supercritical CO2, V011T30A002, September 21–25, 2020
Paper No: GT2020-14031
DOI: https://doi.org/10.1115/GT2020-14031
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Topics: Blades, Optimization, Resonance, Stress, Turbine blades, Disks, Design, Countermeasures, High cycle fatigue, Aircraft engines
Proceedings Papers

Forced Response Variation of a Compressor Utilizing Blade Tip Timing, Strain Gages, and As-Manufactured Finite Element Models

Daniel L. Gillaugh, Timothy J. Janczewski, Alexander A. Kaszynski, Jeffrey M. Brown, Joseph A. Beck, Chase Nessler
Proc. ASME. GT2020, Volume 11: Structures and Dynamics: Structural Mechanics, Vibration, and Damping; Supercritical CO2, V011T30A022, September 21–25, 2020
Paper No: GT2020-15054
DOI: https://doi.org/10.1115/GT2020-15054
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Topics: Blades, Compressors, Finite element model, Strain gages, Safety, Stress, Accounting, Chords (Trusses), Deflection, Dynamic response
Proceedings Papers

Integrally Bladed Rotor Mistuning Identification and Model Updating Using Geometric Mistuning Models

Joseph A. Beck, Jeffrey M. Brown, Daniel L. Gillaugh, Emily B. Carper, Alex A. Kaszynski
Proc. ASME. GT2020, Volume 11: Structures and Dynamics: Structural Mechanics, Vibration, and Damping; Supercritical CO2, V011T30A034, September 21–25, 2020
Paper No: GT2020-15539
DOI: https://doi.org/10.1115/GT2020-15539
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Topics: Rotors, Elastic moduli, Finite element model, Algorithms, Blades, Damage, Dynamic response, Eigenvalues, Excitation, Geometry
Proceedings Papers

Experimental Heat Transfer and Boundary Layer Measurements on a Ceramic Matrix Composite Surface

Peter H. Wilkins, Stephen P. Lynch, Karen A. Thole, San Quach, Tyler Vincent
Proc. ASME. GT2020, Volume 7C: Heat Transfer, V07CT13A017, September 21–25, 2020
Paper No: GT2020-15053
DOI: https://doi.org/10.1115/GT2020-15053
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Topics: Boundary layers, Ceramic matrix composites, Heat transfer, Airfoils, Design, Flow (Dynamics), Gas turbines, Materials properties, Thermal properties, Weight (Mass)
Proceedings Papers

The Effects of Cooling Holes on SiC/SiC CMC Tensile Strength

Craig Smith, Michael Presby, Ramakrishna Bhatt, Sreeramesh Kalluri
Proc. ASME. GT2020, Volume 3: Ceramics; Coal, Biomass, Hydrogen, and Alternative Fuels, V003T02A008, September 21–25, 2020
Paper No: GT2020-15682
DOI: https://doi.org/10.1115/GT2020-15682
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Topics: Ceramic matrix composites, Cooling, Tensile strength, Temperature, Engines, Film cooling, Silicon, Acoustic emissions, Compressors, Cracking (Materials)
Proceedings Papers

Critical Location Identification for Multi-Mechanistic Damage Modes Using Damage Interaction Charts

Brent Scaletta, Richard Green
Proc. ASME. GT2020, Volume 10B: Structures and Dynamics, V10BT27A011, September 21–25, 2020
Paper No: GT2020-14678
DOI: https://doi.org/10.1115/GT2020-14678
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Topics: Damage, Engines, Creep, Fatigue, Stress, Data collection, Durability, Gas turbines, Materials properties, Oxidation
Proceedings Papers

Probabilistic Fracture Mechanics for Mature Service Frame Rotors

Philipp Engels, Christian Amann, Sebastian Schmitz, Kai Kadau
Proc. ASME. GT2020, Volume 10B: Structures and Dynamics, V10BT28A005, September 21–25, 2020
Paper No: GT2020-14608
DOI: https://doi.org/10.1115/GT2020-14608
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Topics: Fracture mechanics, Rotors, Cycles, Design, Disks, Risk, Blades, Failure, Forging, Gas turbines
Proceedings Papers

Analysis of Operational Effects on Cooled H-Class Gas Turbines

Selcuk Can Uysal, James B. Black
Proc. ASME. GT2019, Volume 5B: Heat Transfer, V05BT22A010, June 17–21, 2019
Paper No: GT2019-91614
DOI: https://doi.org/10.1115/GT2019-91614
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Topics: Gas turbines, Engines, Compressors, Maintenance, Thermal efficiency, Turbines, Heat, Industrial gases, Turbine blades, Combustion
Proceedings Papers

Mandrel-Free Hot-Spinning of 17-4 PH Truncated Cone

Ken Ikawa, Yoshihide Imamura, Kojiro Motoyama, Hayato Iwasaki, Takeo Hirakawa
Proc. ASME. GT2019, Volume 6: Ceramics; Controls, Diagnostics, and Instrumentation; Education; Manufacturing Materials and Metallurgy, V006T24A016, June 17–21, 2019
Paper No: GT2019-91266
DOI: https://doi.org/10.1115/GT2019-91266
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Topics: Spin (Aerodynamics), Spinning (Textile), Deformation, Materials properties, Alloys, Plates (structures), Shapes, Temperature
Proceedings Papers

Calibrating Material Models in a Commercial FE Code for Transient TMF Simulations of Single-Crystal and Directionally-Solidified Alloys

Grant O. Musgrove, Taewoan Kim, Seungmin Lee, Muhyoung Lee
Proc. ASME. GT2019, Volume 6: Ceramics; Controls, Diagnostics, and Instrumentation; Education; Manufacturing Materials and Metallurgy, V006T24A004, June 17–21, 2019
Paper No: GT2019-90142
DOI: https://doi.org/10.1115/GT2019-90142
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Topics: Alloys, Crystals, Engineering simulation, Simulation, Transients (Dynamics), Blades, Creep, Gas turbines, Stress, Anisotropy
Proceedings Papers

Experimental and Numerical Investigation on the Influence of Thermally Induced Stress Gradients on Fatigue Life of the Nickel-Base Alloy Mar-M247

Marcus Thiele, Stefan Eckmann, Min Huang, Uwe Gampe, Kathrin A. Fischer, Michael Schlesinger
Proc. ASME. GT2019, Volume 7A: Structures and Dynamics, V07AT31A013, June 17–21, 2019
Paper No: GT2019-91540
DOI: https://doi.org/10.1115/GT2019-91540
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Topics: Alloys, Fatigue life, Nickel, Stress, Low cycle fatigue, High temperature, Temperature, Damage, Flux (Metallurgy), Heat
Proceedings Papers

Multi-Physics Simulation Based Approach for Life Prediction of a Gas Turbine Combustor Liner

Sourabh Shrivastava, Prem Andrade, Vinay Carpenter, Ravindra Masal, Pravin Nakod, Stefano Orsino
Proc. ASME. GT2019, Volume 5A: Heat Transfer, V05AT20A001, June 17–21, 2019
Paper No: GT2019-90897
DOI: https://doi.org/10.1115/GT2019-90897
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Topics: Combustion chambers, Gas turbines, Physics, Simulation, Stress, Aircraft engines, Computational fluid dynamics, Cycles, Fatigue, Finite element methods
Proceedings Papers

A Multiphase Computational Framework for Deposit Formation and Growth

Steven Paul, Danesh Tafti, Kuahai Yu
Proc. ASME. GT2019, Volume 2D: Turbomachinery, V02DT47A003, June 17–21, 2019
Paper No: GT2019-90266
DOI: https://doi.org/10.1115/GT2019-90266
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Topics: Collisions (Physics), Flow (Dynamics), Fluids, Gas turbines, Heat conduction, Heat transfer, Jets, Materials properties, Particulate matter, Physics