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Proceedings Papers

Effect of Tilt on Thermo-Hydrodynamic Model of a Thrust Air Foil Bearing

Talieh Pourashraf, Philip Bonello, Craig Lancaster
Proc. ASME. GT2024, Volume 10A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics; Emerging Methods in Engineering Design, Analysis, and Additive Manufacturing, V10AT22A004, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-123643
https://doi.org/10.1115/GT2024-123643
View Paper titled, Effect of Tilt on Thermo-Hydrodynamic Model of a Thrust Air Foil Bearing
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Topics: Foil bearings, Modeling, Thermohydrodynamics, Thrust, Thrust bearings, Bearings, Disks, Accounting, Deformation, Heat
Proceedings Papers

Thermal Performance Characterization of Dry Gas Seals in a sCO 2 Compressor

Rahul A. Bidkar, Uttara Kumar, Xiaohua Zhang, Nora Molino, Joshua Neveu, John Klaerner, Jeremy Johnson, J. Jeffrey Moore
Proc. ASME. GT2024, Volume 11: Supercritical CO2, V011T28A035, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-128872
https://doi.org/10.1115/GT2024-128872
View Paper titled, Thermal Performance Characterization of Dry Gas Seals in a sCO 2 Compressor
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Topics: Compressors, Heat transfer, Performance characterization, Turbomachinery, Flow (Dynamics), Temperature, Cavities, Failure, Supercritical carbon dioxide, Accounting
Proceedings Papers

On a New Cyclic Symmetry Formulation Accounting for Boundaries Undergoing Nonlinear Forces

Samuel Quaegebeur, Fabrice Thouverez
Proc. ASME. GT2024, Volume 10B: Structures and Dynamics — Fatigue, Fracture, and Life Prediction; Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V10BT27A013, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-124453
https://doi.org/10.1115/GT2024-124453
View Paper titled, On a New Cyclic Symmetry Formulation Accounting for Boundaries Undergoing Nonlinear Forces
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Topics: Accounting, Bladed disks, Blades, Dynamics (Mechanics), Engines, Excitation, Finite element model, Friction, Shapes, Standing waves
Proceedings Papers

Nature of Transonic Compressor Flow: Importance of 3D A throat /A inlet Part I: Subsonic Mach Numbers

Demetrios Lefas
Proc. ASME. GT2024, Volume 12A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V12AT29A046, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-128748
https://doi.org/10.1115/GT2024-128748
View Paper titled, Nature of Transonic Compressor Flow: Importance of 3D A throat /A inlet Part I: Subsonic Mach Numbers
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Topics: Compressors, Flow (Dynamics), Mach number, Design, Blades, Shock (Mechanics), Geometry, Transonic flow, Accounting, Computational fluid dynamics
Proceedings Papers

Heat Transfer Enhancement in Pulsating Flows: A Bayesian Approach to Experimental Correlations

Matei Cristian Ignuta-Ciuncanu, Chris Noon, Ricardo F. Martinez-Botas
Proc. ASME. GT2024, Volume 13: Heat Transfer: General Interest / Additive Manufacturing Impacts on Heat Transfer; Wind Energy, V013T13A012, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-123876
https://doi.org/10.1115/GT2024-123876
View Paper titled, Heat Transfer Enhancement in Pulsating Flows: A Bayesian Approach to Experimental Correlations
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Topics: Heat transfer, Pulsatile flow, Flow (Dynamics), Pipes, Accounting, Chain, Cities, Exhaust manifolds, Exhaust systems, Gas flow
Proceedings Papers

Assessment of Part-Load Operation Strategies of Supercritical Power Cycles Using Carbon Dioxide Mixtures in CSP Plants, Including Air-Cooled Condenser Optimisation

Pablo Rodríguez-de Arriba, Francesco Crespi, David Sánchez Martínez, Lourdes García Rodríguez
Proc. ASME. GT2023, Volume 12: Supercritical CO2, V012T28A026, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-103665
https://doi.org/10.1115/GT2023-103665
View Paper titled, Assessment of Part-Load Operation Strategies of Supercritical Power Cycles Using Carbon Dioxide Mixtures in CSP Plants, Including Air-Cooled Condenser Optimisation
Open the PDF for Assessment of Part-Load Operation Strategies of Supercritical Power Cycles Using Carbon Dioxide Mixtures in CSP Plants, Including Air-Cooled Condenser Optimisation in another window
Topics: Carbon dioxide, Condensers (steam plant), Optimization, Stress, Thermodynamic power cycles, Temperature, Design, Turbines, Fluids, Heat transfer
Proceedings Papers

Probabilistic CFD Analysis of a High-Pressure Compressor Under Consideration of Manufacturing and In-Service Variability

Lukas Schlüter, Matthias Voigt, Robin Schmidt, Bernd Becker, Ronald Mailach
Proc. ASME. GT2023, Volume 13D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V13DT34A001, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-100528
https://doi.org/10.1115/GT2023-100528
View Paper titled, Probabilistic CFD Analysis of a High-Pressure Compressor Under Consideration of Manufacturing and In-Service Variability
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Topics: Compressors, Computational fluid dynamics, High pressure (Physics), Manufacturing, Shapes, Airfoils, Rotors, Accounting, Blades, Boundary layers
Proceedings Papers

A Methodology to Quantify Product Competitiveness and Innovation Requirements for Micro Gas Turbine Systems in Hydrogen Backup Applications

Giuseppe Tilocca, David Sánchez, Miguel Torres-García, Antonio Escamilla-Perejón, Simon Minett
Proc. ASME. GT2023, Volume 5: Cycle Innovations, V005T06A017, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-102606
https://doi.org/10.1115/GT2023-102606
View Paper titled, A Methodology to Quantify Product Competitiveness and Innovation Requirements for Micro Gas Turbine Systems in Hydrogen Backup Applications
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Topics: Hydrogen, Innovation, Micro gas turbines, Economics , Fuel cells, Heat, Accounting, Acoustic emissions, Emergency power, Internal combustion engines
Proceedings Papers

Accounting for Firing Temperature in Combustion Tuning Activities

Leonard Angello, Christopher Perullo, Craig Nicholson, Jim Harper, David Noble
Proc. ASME. GT2023, Volume 6: Education; Electric Power; Energy Storage; Fans and Blowers, V006T08A005, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-102065
https://doi.org/10.1115/GT2023-102065
View Paper titled, Accounting for Firing Temperature in Combustion Tuning Activities
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Topics: Accounting, Combustion, Firing, Gas turbines, Temperature
Proceedings Papers

Evaluation of Different Regression Models Tuned With Experimental Turbine Cascade Data

Matteo Dellacasagrande, Davide Lengani, Pietro Paliotta, Daniele Petronio, Daniele Simoni, Francesco Bertini
Proc. ASME. GT2022, Volume 10B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing; Radial Turbomachinery Aerodynamics, V10BT30A011, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-81357
https://doi.org/10.1115/GT2022-81357
View Paper titled, Evaluation of Different Regression Models Tuned With Experimental Turbine Cascade Data
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Topics: Cascades (Fluid dynamics), Regression models, Turbines, Databases, Accounting, Collaboration, Errors, Flow (Dynamics), Modeling, Optimization
Proceedings Papers

Calculating Cooled Turbine Efficiency With Weighted Cooling Flow Distributions

Reid A. Berdanier
Proc. ASME. GT2022, Volume 10B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing; Radial Turbomachinery Aerodynamics, V10BT30A022, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-82365
https://doi.org/10.1115/GT2022-82365
View Paper titled, Calculating Cooled Turbine Efficiency With Weighted Cooling Flow Distributions
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Topics: Cooling, Flow (Dynamics), Turbines, Accounting, Annulus, Energy efficiency, Engines, Geometry, High pressure (Physics), Pressure
Proceedings Papers

Aerothermal Performance of Axially Varying Winglet-Squealer Blade Tips

Anmol Garg, Nagabhushana Rao Vadlamani, Balaji Srinivasan
Proc. ASME. GT2022, Volume 10B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing; Radial Turbomachinery Aerodynamics, V10BT30A030, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-82947
https://doi.org/10.1115/GT2022-82947
View Paper titled, Aerothermal Performance of Axially Varying Winglet-Squealer Blade Tips
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Topics: Blades, Design, Pressure, Cavities, Accounting, Dynamics (Mechanics), Flow (Dynamics), Fluid dynamics, Heat, High pressure (Physics)
Proceedings Papers

Calibration of a CFD Methodology for the Simulation of Additively Manufactured Components Accounting for the Effects of Diameter and Printing Direction on Friction and Heat Transfer

Lorenzo Mazzei, Riccardo Da Soghe, Cosimo Bianchini
Proc. ASME. GT2022, Volume 6B: Heat Transfer — General Interest/Additive Manufacturing Impacts on Heat Transfer; Internal Air Systems; Internal Cooling, V06BT13A012, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-82391
https://doi.org/10.1115/GT2022-82391
View Paper titled, Calibration of a CFD Methodology for the Simulation of Additively Manufactured Components Accounting for the Effects of Diameter and Printing Direction on Friction and Heat Transfer
Open the PDF for Calibration of a CFD Methodology for the Simulation of Additively Manufactured Components Accounting for the Effects of Diameter and Printing Direction on Friction and Heat Transfer in another window
Topics: Accounting, Additive manufacturing, Calibration, Computational fluid dynamics, Cooling, Friction, Gas turbines, Heat transfer, Printing, Simulation
Proceedings Papers

A Computational Approach to Aerothermal Analysis of Complex Internal Turbine Cooling Geometries

Ben Coulton, Alexander V. Murray, Peter T. Ireland
Proc. ASME. GT2022, Volume 6B: Heat Transfer — General Interest/Additive Manufacturing Impacts on Heat Transfer; Internal Air Systems; Internal Cooling, V06BT15A013, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-81928
https://doi.org/10.1115/GT2022-81928
View Paper titled, A Computational Approach to Aerothermal Analysis of Complex Internal Turbine Cooling Geometries
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Topics: Cooling, Turbines, Cooling systems, Flow (Dynamics), Simulation, Temperature, Accounting, Blades, Cycles, Gas turbines
Proceedings Papers

Heat Transfer Coefficient and Adiabatic Wall Temperature Measurements on a High-Pressure Turbine Nozzle Guide Vanes With Representative Inlet Swirl and Temperature Distortions

T. Bacci, A. Picchi, G. Babazzi, B. Facchini, S. Cubeda
Proc. ASME. GT2022, Volume 6B: Heat Transfer — General Interest/Additive Manufacturing Impacts on Heat Transfer; Internal Air Systems; Internal Cooling, V06BT13A007, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-81263
https://doi.org/10.1115/GT2022-81263
View Paper titled, Heat Transfer Coefficient and Adiabatic Wall Temperature Measurements on a High-Pressure Turbine Nozzle Guide Vanes With Representative Inlet Swirl and Temperature Distortions
Open the PDF for Heat Transfer Coefficient and Adiabatic Wall Temperature Measurements on a High-Pressure Turbine Nozzle Guide Vanes With Representative Inlet Swirl and Temperature Distortions in another window
Topics: Heat transfer coefficients, High pressure (Physics), Nozzle guide vanes, Temperature, Turbines, Wall temperature, Cascades (Fluid dynamics), Combustion chambers, Turbulence, Accounting
Proceedings Papers

Impacts of Pin Fin Shape and Spacing on Heat Transfer and Pressure Losses

Thomas M. Corbett, Karen A. Thole, Sudhakar Bollapragada
Proc. ASME. GT2022, Volume 6B: Heat Transfer — General Interest/Additive Manufacturing Impacts on Heat Transfer; Internal Air Systems; Internal Cooling, V06BT15A022, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-82673
https://doi.org/10.1115/GT2022-82673
View Paper titled, Impacts of Pin Fin Shape and Spacing on Heat Transfer and Pressure Losses
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Topics: Heat transfer, Pressure, Shapes, Surface roughness, Pins (Engineering), Accounting, Additive manufacturing, Computerized tomography, Density, Diamonds
Proceedings Papers

Improved Modeling and Experimental Evaluation of a Micro Gas Turbine for Solar-Hybrid Application

Chaz Fenner, Sybrand J. van der Spuy
Proc. ASME. GT2022, Volume 7: Industrial and Cogeneration; Manufacturing Materials and Metallurgy; Microturbines, Turbochargers, and Small Turbomachines; Oil & Gas Applications, V007T18A017, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-82661
https://doi.org/10.1115/GT2022-82661
View Paper titled, Improved Modeling and Experimental Evaluation of a Micro Gas Turbine for Solar-Hybrid Application
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Topics: Heat transfer, Micro gas turbines, Modeling, Solar energy, Turbines, Temperature, Turbochargers, Combustion chambers, Combustion, Generators
Proceedings Papers

On the Scatter of Creep Data: Methods to Increase Modelling Accuracy Accounting for Batch-to-Batch Dispersion

Andrea Riva
Proc. ASME. GT2022, Volume 7: Industrial and Cogeneration; Manufacturing Materials and Metallurgy; Microturbines, Turbochargers, and Small Turbomachines; Oil & Gas Applications, V007T17A014, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-82499
https://doi.org/10.1115/GT2022-82499
View Paper titled, On the Scatter of Creep Data: Methods to Increase Modelling Accuracy Accounting for Batch-to-Batch Dispersion
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Topics: Accounting, Creep, Electromagnetic scattering, Modeling
Proceedings Papers

Accurate Blade Tip Timing Placement on a Centrifugal Impeller Using As-Manufactured Modeling

Daniel L. Gillaugh, Alexander A. Kaszynksi, Trevor C. Tomlin, Jeffrey M. Brown, Joseph A. Beck, Emily B. Carper
Proc. ASME. GT2022, Volume 8B: Structures and Dynamics — Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V08BT27A035, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-83415
https://doi.org/10.1115/GT2022-83415
View Paper titled, Accurate Blade Tip Timing Placement on a Centrifugal Impeller Using As-Manufactured Modeling
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Topics: Blades, Impellers, Modeling, Stress, Finite element analysis, Rotors, Safety, Deflection, Accounting, Airfoils
Proceedings Papers

Mistuning and Damping of a Radial Turbine Wheel. Part 2: Implementation and Validation of Intentional Mistuning

Alex Nakos, Bernd Beirow, Arthur Zobel
Proc. ASME. GT2022, Volume 8B: Structures and Dynamics — Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V08BT27A006, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-80643
https://doi.org/10.1115/GT2022-80643
View Paper titled, Mistuning and Damping of a Radial Turbine Wheel. Part 2: Implementation and Validation of Intentional Mistuning
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Topics: Blades, Damping, Turbines, Vibration, Wheels, Design, Manufacturing, Accounting, Exhaust systems, Free vibrations