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Proceedings Papers

Comparative Low-Cycle Fatigue Behavior of HAYNES 244 Alloy and Waspaloy

Michael G. Fahrmann
Proc. ASME. GT2021, Volume 7: Industrial and Cogeneration; Manufacturing Materials and Metallurgy, V007T17A013, June 7–11, 2021
Paper No: GT2021-59619
DOI: https://doi.org/10.1115/GT2021-59619
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Topics: Alloys, Low cycle fatigue, Crack propagation, Fatigue, Fatigue cracks, Fracture (Materials), Fracture (Process), Gas turbines, Hardening, Heat
Proceedings Papers

Steam Turbine Casing Analyses to Determine Pressure and Temperature Limits

Paul T. Smith, Daniel J. Griffin
Proc. ASME. GT2021, Volume 8: Oil and Gas Applications; Steam Turbine, V008T22A015, June 7–11, 2021
Paper No: GT2021-59535
DOI: https://doi.org/10.1115/GT2021-59535
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Topics: Analytical methods, Finite element analysis, Pressure, Sealing (Process), Steam turbines, Temperature, Turbines, Steam, Stress, Bolted joints
Proceedings Papers

Centrifugal Compressor Polytropic Performance Evaluation Using Cubic Polynomial Approximation for the Temperature-Entropy Polytropic Path

Matt Taher, B. F. Evans
Proc. ASME. GT2021, Volume 8: Oil and Gas Applications; Steam Turbine, V008T20A016, June 7–11, 2021
Paper No: GT2021-59678
DOI: https://doi.org/10.1115/GT2021-59678
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Topics: Compressors, Entropy, Performance evaluation, Polynomial approximation, Temperature, Approximation, Gases, Polynomials, Testing performance
Proceedings Papers

Experimental and Numerical Study for Improved Understanding of Mixed-Convection Type of Flows in Turbine Casing Cavities During Shut-Down Regimes

Oguzhan Murat, Budimir Rosic, Koichi Tanimoto, Ryo Egami
Proc. ASME. GT2021, Volume 8: Oil and Gas Applications; Steam Turbine, V008T22A008, June 7–11, 2021
Paper No: GT2021-59135
DOI: https://doi.org/10.1115/GT2021-59135
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Topics: Cavities, Flow (Dynamics), Mixed convection, Turbines, Computational fluid dynamics, Engines, Natural convection, Convection, Cooling, Cross-flow
Proceedings Papers

Numerical Model for Condensing Steam Through Labyrinth Seal

Ravindra G. Devi, Satyanarayanan Seshadri, Vittorio Michelassi
Proc. ASME. GT2021, Volume 8: Oil and Gas Applications; Steam Turbine, V008T22A007, June 7–11, 2021
Paper No: GT2021-58736
DOI: https://doi.org/10.1115/GT2021-58736
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Topics: Computer simulation, Condensation, Drops, Leakage flows, Nucleation (Physics), Steam, Condensed matter, Flow (Dynamics), Subcooling, Computational fluid dynamics
Proceedings Papers

Bearing Skidding Detection for High Speed and Aero Engine Applications

Azzedine Dadouche, Rami Kerrouche
Proc. ASME. GT2021, Volume 9A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics; Emerging Methods in Design and Engineering, V09AT24A014, June 7–11, 2021
Paper No: GT2021-59122
DOI: https://doi.org/10.1115/GT2021-59122
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Topics: Aircraft engines, Bearings, Lubrication, Roller bearings, Rollers, Stress, Acoustics, Damage, Data acquisition systems, Electromagnetic induction
Proceedings Papers

Thermohydrodynamic Modeling of a Tapered-Land Thrust Bearing With Validation Against Experimental Data

Seckin Gokaltun
Proc. ASME. GT2021, Volume 9A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics; Emerging Methods in Design and Engineering, V09AT24A025, June 7–11, 2021
Paper No: GT2021-60203
DOI: https://doi.org/10.1115/GT2021-60203
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Topics: Modeling, Thermohydrodynamics, Thrust bearings, Bearings, Stress, Fluid films, Heat transfer, Computational fluid dynamics, Deformation, Pressure
Proceedings Papers

Measurements to Quantify the Effect of a Reduced Flow Rate on the Performance of a Tilting Pad Journal Bearing (LBP) With Flooded Ends

Luis San Andrés, Jonathan Toner, Andy Alcantar
Proc. ASME. GT2021, Volume 9A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics; Emerging Methods in Design and Engineering, V09AT24A007, June 7–11, 2021
Paper No: GT2021-58771
DOI: https://doi.org/10.1115/GT2021-58771
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Topics: Bearings, Flow (Dynamics), Journal bearings, Stress, Temperature, Drag (Fluid dynamics), Babbitt metal, Damping, Energy efficiency, Floods
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

Experimental Investigation Into Gravity Drained Journal Bearings

Rohit Khattar, Sudeep Bosu, Kashinath Akki, Amit Paspulati
Proc. ASME. GT2021, Volume 9A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics; Emerging Methods in Design and Engineering, V09AT24A008, June 7–11, 2021
Paper No: GT2021-58804
DOI: https://doi.org/10.1115/GT2021-58804
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Topics: Gravity (Force), Journal bearings, Bearings, Design, Flow (Dynamics), Drainage, Kinetic energy, Rotors, Swirling flow, Failure
Proceedings Papers

Optimization of an Oil Film Journal Bearing for Temperature Reduction

Steven Chatterton, Paolo Pennacchi, Andrea Vania, Phuoc Vinh Dang
Proc. ASME. GT2021, Volume 9A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics; Emerging Methods in Design and Engineering, V09AT24A023, June 7–11, 2021
Paper No: GT2021-60159
DOI: https://doi.org/10.1115/GT2021-60159
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Topics: Computer simulation, Journal bearings, Optimization, Temperature
Proceedings Papers

On Virtual Clearance Monitoring of Steam Turbine by Using Model Order Reduction

Hiroshi Ito, Shoichiro Hosomi, Norikazu Tezuka, Tomohiro Ishida
Proc. ASME. GT2021, Volume 9A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics; Emerging Methods in Design and Engineering, V09AT25A002, June 7–11, 2021
Paper No: GT2021-59003
DOI: https://doi.org/10.1115/GT2021-59003
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Topics: Clearances (Engineering), Steam turbines, Sensors, Errors, Rotors, Data fusion, Finite element analysis, Stress, Finite element model, High temperature
Proceedings Papers

Crystal Visco-Plastic Model for Directionally Solidified Ni-Base Superalloys Under Monotonic and Low Cycle Fatigue

Navindra Wijeyeratne, Firat Irmak, Ali P. Gordon
Proc. ASME. GT2021, Volume 9B: Structures and Dynamics — Fatigue, Fracture, and Life Prediction; Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V09BT26A008, June 7–11, 2021
Paper No: GT2021-59581
DOI: https://doi.org/10.1115/GT2021-59581
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Topics: Crystals, Low cycle fatigue, Modeling, Superalloys, Grain boundaries, Temperature, Anisotropy, Constitutive equations, Deformation, Gas turbines
Proceedings Papers

Cost Effective Options of Closed CO2 Cycles for CSP Applications

Simone Maccarini, Alberto Traverso, Emanuel Pesatori
Proc. ASME. GT2021, Volume 10: Supercritical CO2, V010T30A021, June 7–11, 2021
Paper No: GT2021-59756
DOI: https://doi.org/10.1115/GT2021-59756
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Topics: Carbon dioxide, Cycles, Brayton cycle, Delays, Diffusion (Physics), Electricity (Physics), Energy storage, Steam, Supercritical carbon dioxide, Temperature
Proceedings Papers

Supercritical Pseudo Boiling in Cubic Equations of State

Daniel T. Banuti
Proc. ASME. GT2021, Volume 10: Supercritical CO2, V010T30A007, June 7–11, 2021
Paper No: GT2021-58788
DOI: https://doi.org/10.1115/GT2021-58788
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Topics: Boiling, Equations of state, Fluids, National Institute of Standards and Technology, Carbon dioxide, Combustion systems, Cycles, Heat capacity, Latent heat, Phase transition temperature
Proceedings Papers

On the Creep-Fatigue Design of Double Skin Transpiration Cooled Components Towards Hotter Turbine Cycle Temperatures

Christos G. Skamniotis, Alan C. F. Cocks
Proc. ASME. GT2021, Volume 9B: Structures and Dynamics — Fatigue, Fracture, and Life Prediction; Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V09BT26A006, June 7–11, 2021
Paper No: GT2021-58836
DOI: https://doi.org/10.1115/GT2021-58836
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Topics: Creep, Cycles, Design, Fatigue, Skin, Temperature, Thermal stresses, Transpiration, Turbines
Proceedings Papers

Impact of Dry Cooler Air-Side Performance on a sCO 2 Power Cycle for a CSP Application

Kelsi M. Katcher, Dereje Amogne
Proc. ASME. GT2021, Volume 10: Supercritical CO2, V010T30A022, June 7–11, 2021
Paper No: GT2021-59936
DOI: https://doi.org/10.1115/GT2021-59936
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Topics: Brayton cycle, Concentrating solar power, Cycles, Design, Modeling, Supercritical carbon dioxide, Thermodynamic power cycles, Temperature, Heat transfer, Carbon dioxide
Proceedings Papers

Design and Analysis of Cooling Structure for Dry Gas Seal Chamber of Supercritical Carbon Dioxide Turbine Shaft End

Tao Yuan, Zhigang Li, Jun Li, Qi Yuan
Proc. ASME. GT2021, Volume 10: Supercritical CO2, V010T30A012, June 7–11, 2021
Paper No: GT2021-59177
DOI: https://doi.org/10.1115/GT2021-59177
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Topics: Cooling, Design, Supercritical carbon dioxide, Turbines, Temperature, Deformation, Leakage, Clearances (Engineering), Compressors, Flow (Dynamics)
Proceedings Papers

Design of 1 MW Direct-Fired Combustor for an sCO 2 Power Cycle

Jacob Delimont, Steve White, Nathan Andrews
Proc. ASME. GT2021, Volume 10: Supercritical CO2, V010T30A031, June 7–11, 2021
Paper No: GT2021-60294
DOI: https://doi.org/10.1115/GT2021-60294
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Topics: Combustion chambers, Design, Thermodynamic power cycles, Temperature, Carbon dioxide, Cycles, Oxygen, Thermal management, Combustion, Combustion systems
Proceedings Papers

Influence of Working Fluid Composition on the Optimum Characteristics of Blended Supercritical Carbon Dioxide Cycles

F. Crespi, G. S. Martínez, P. Rodriguez de Arriba, D. Sánchez, F. Jiménez-Espadafor
Proc. ASME. GT2021, Volume 10: Supercritical CO2, V010T30A030, June 7–11, 2021
Paper No: GT2021-60293
DOI: https://doi.org/10.1115/GT2021-60293
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Topics: Cycles, Fluids, Supercritical carbon dioxide, Carbon dioxide, Temperature, Concentrating solar power, Thermal efficiency, Thermodynamic power cycles, Compressors, Degrees of freedom