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Proceedings Papers

Calibration of a CFD Methodology for the Simulation of Roughness Effects on Friction and Heat Transfer in Additive Manufactured Components

Lorenzo Mazzei, Riccardo Da Soghe, Cosimo Bianchini
Proc. ASME. GT2021, Volume 5B: Heat Transfer — General Interest; Internal Air Systems; Internal Cooling, V05BT13A010, June 7–11, 2021
Paper No: GT2021-59603
DOI: https://doi.org/10.1115/GT2021-59603
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Topics: Additive manufacturing, Calibration, Computational fluid dynamics, Friction, Gas turbines, Heat transfer, Simulation, Surface roughness
Proceedings Papers

Jet Impingement Heat Transfer Enhancement With Different Crossflow Diverter Shapes

Juan He, Qinghua Deng, Zhenping Feng
Proc. ASME. GT2021, Volume 5B: Heat Transfer — General Interest; Internal Air Systems; Internal Cooling, V05BT15A008, June 7–11, 2021
Paper No: GT2021-59080
DOI: https://doi.org/10.1115/GT2021-59080
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Topics: Friction, Heat transfer, Impingement cooling, Shapes, Reynolds number, Flow (Dynamics), Blades, Cooling, Diamonds, Engineering simulation
Proceedings Papers

Local Heat Transfer and Friction Measurements in Ribbed Channel at High Reynolds Numbers

Igor Baybuzenko
Proc. ASME. GT2021, Volume 5B: Heat Transfer — General Interest; Internal Air Systems; Internal Cooling, V05BT13A001, June 7–11, 2021
Paper No: GT2021-00259
DOI: https://doi.org/10.1115/GT2021-00259
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Topics: Friction, Heat transfer, Reynolds number, Heat transfer coefficients, Cooling, Gas turbines, Temperature, Design, Metals, Air flow
Proceedings Papers

Impact of Ceramic Matrix Composite Topology on Friction Factor and Heat Transfer

Trevor M. Cory, Ryan D. Edelson, Karen A. Thole, Tyler Vincent, San Quach, Dominic Mongillo
Proc. ASME. GT2021, Volume 5B: Heat Transfer — General Interest; Internal Air Systems; Internal Cooling, V05BT15A017, June 7–11, 2021
Paper No: GT2021-59588
DOI: https://doi.org/10.1115/GT2021-59588
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Topics: Ceramic matrix composites, Friction, Heat transfer, Topology, Pressure, Flow (Dynamics), Convection, Gas turbines, Additive manufacturing, Composite materials
Proceedings Papers

Multi-Objective Optimization on the Fluid Flow and Heat Transfer of Semi-Attached Rib-Channels

Xu Wang, Huazhao Xu, Jianhua Wang, Yuefeng Li, Wei Song
Proc. ASME. GT2021, Volume 5B: Heat Transfer — General Interest; Internal Air Systems; Internal Cooling, V05BT15A002, June 7–11, 2021
Paper No: GT2021-58725
DOI: https://doi.org/10.1115/GT2021-58725
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Topics: Cooling, Fluid dynamics, Heat transfer, Pareto optimization, Friction, Heat transfer coefficients, Optimization, Pressure, Algorithms, Blades
Proceedings Papers

A Key Flow Parameter to the Profile Loss of Low-Pressure Turbine Blades

Hidekazu Kodama, Ken-ichi Funazaki
Proc. ASME. GT2021, Volume 2B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing, V02BT32A003, June 7–11, 2021
Paper No: GT2021-58887
DOI: https://doi.org/10.1115/GT2021-58887
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Topics: Flow (Dynamics), Pressure, Turbine blades, Blades, Boundary layers, Form drag, Drag (Fluid dynamics), Design, Friction, Optimization
Proceedings Papers

Turbocharger Radial Turbine Response to Pulse Amplitude

Roberto Mosca, Shyang Maw Lim, Mihai Mihaescu
Proc. ASME. GT2021, Volume 2D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V02DT39A013, June 7–11, 2021
Paper No: GT2021-59997
DOI: https://doi.org/10.1115/GT2021-59997
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Topics: Turbines, Turbochargers, Flow (Dynamics), Heat transfer, Computer simulation, Eddies (Fluid dynamics), Engines, Exergy, Exhaust manifolds, Exhaust systems
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

Static Performance of Smooth Liquid Annular Seals in the Transition and Turbulent Regimes

Dara W. Childs, Joshua Bullock
Proc. ASME. GT2021, Volume 9A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics; Emerging Methods in Design and Engineering, V09AT24A002, June 7–11, 2021
Paper No: GT2021-58543
DOI: https://doi.org/10.1115/GT2021-58543
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Topics: Turbulence, Flow (Dynamics), Reynolds number, Clearances (Engineering), Displacement, Flowmeters, Friction, Leakage, Pressure, Pressure drop
Proceedings Papers

Theoretical Study on Static Performance of Double-Bump Foil Bearings

Fangcheng Xu, Jianhua Chu, Wenlin Luan, Guang Zhao
Proc. ASME. GT2021, Volume 9A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics; Emerging Methods in Design and Engineering, V09AT24A019, June 7–11, 2021
Paper No: GT2021-59937
DOI: https://doi.org/10.1115/GT2021-59937
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Topics: Clearances (Engineering), Energy consumption, Foil bearings, Friction, Stiffness, Stress
Proceedings Papers

Identification of Slip Load, Friction Force and External Force Using Unscented Kalman Filter for Frictionally Damped Turbine Blades

Himanshu Patel, Alok Sinha
Proc. ASME. GT2021, Volume 9A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics; Emerging Methods in Design and Engineering, V09AT25A003, June 7–11, 2021
Paper No: GT2021-59863
DOI: https://doi.org/10.1115/GT2021-59863
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Topics: Friction, Kalman filters, Stress, Turbine blades, Dampers, Excitation, Vibration, Differential equations, Errors, Modeling
Proceedings Papers

Analysis of Loading and Vibration Histories on Natural Frequencies and Modal Damping of Blades With Friction at Root Contact Interfaces

Junjie Chen, Chaoping Zang, Biao Zhou, E. P. Petrov
Proc. ASME. GT2021, Volume 9B: Structures and Dynamics — Fatigue, Fracture, and Life Prediction; Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V09BT29A013, June 7–11, 2021
Paper No: GT2021-58985
DOI: https://doi.org/10.1115/GT2021-58985
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Topics: Blades, Damping, Friction, Vibration, Disks, Engines, Flight, Rotation, Stress, Cycles
Proceedings Papers

Full-Scale Vibration Testing of Nozzle Guide Vanes

Giuseppe Macoretta, Bernardo Disma Monelli, Paolo Neri, Federico Bucciarelli, Damaso Checcacci, Enrico Giusti
Proc. ASME. GT2021, Volume 9B: Structures and Dynamics — Fatigue, Fracture, and Life Prediction; Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V09BT29A021, June 7–11, 2021
Paper No: GT2021-59356
DOI: https://doi.org/10.1115/GT2021-59356
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Topics: Finite element methods, Friction, Nozzle guide vanes, Testing, Vibration
Proceedings Papers

Investigating Gas Turbine Internal Cooling Using Supercritical CO 2 at High Reynolds Numbers for Direct Fired Cycle Applications

Matthew Searle, Arnab Roy, James Black, Doug Straub, Sridharan Ramesh
Proc. ASME. GT2021, Volume 10: Supercritical CO2, V010T30A020, June 7–11, 2021
Paper No: GT2021-59630
DOI: https://doi.org/10.1115/GT2021-59630
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Topics: Cooling, Cycles, Gas turbines, Reynolds number, Supercritical carbon dioxide, Additive manufacturing, Computational fluid dynamics, Heat transfer, Channel flow, Coolants
Proceedings Papers

Development of a Multi-Shaker-Control to Investigate the Influence of the Interblade Phase Angle on Frictionally Damped Turbine Blades

Florian Jäger, Ferhat Kaptan, Lars Panning-Von Scheidt, Jörg Wallaschek
Proc. ASME. GT2021, Volume 9B: Structures and Dynamics — Fatigue, Fracture, and Life Prediction; Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V09BT29A018, June 7–11, 2021
Paper No: GT2021-59272
DOI: https://doi.org/10.1115/GT2021-59272
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Topics: Blades, Control algorithms, Control systems, Dampers, Damping, Degrees of freedom, Friction, Mode shapes, Stress, Turbine blades
Proceedings Papers

On the Performance of Wave-Like Dry Friction and Piezoelectric Hybrid Flexible Dampers

Y. G. Wu, Y. Fan, L. Li, Z. M. Zhao
Proc. ASME. GT2021, Volume 9B: Structures and Dynamics — Fatigue, Fracture, and Life Prediction; Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V09BT29A008, June 7–11, 2021
Paper No: GT2021-58817
DOI: https://doi.org/10.1115/GT2021-58817
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Topics: Dampers, Dry friction, Waves, Damping, Friction, Piezoelectric materials, Circuits, Actuators, Cantilevers, Finite element model
Proceedings Papers

Design and Tests of a New Damper for a Gas Turbine Thin-Shell Duct

Serena Gabriele, Paolo Di Sisto, Giuseppe Del Vescovo, Conti Simone
Proc. ASME. GT2021, Volume 9B: Structures and Dynamics — Fatigue, Fracture, and Life Prediction; Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V09BT29A010, June 7–11, 2021
Paper No: GT2021-58919
DOI: https://doi.org/10.1115/GT2021-58919
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Topics: Dampers, Design, Ducts, Gas turbines, Thin shells, Flow (Dynamics), Finite element analysis, High cycle fatigue, Turbines, Bolted joints
Proceedings Papers

New Modeling Combining Kinematic and Stiffness Nonlinearity in Under Platform Dampers

Ryuichi Umehara, Sotaro Takei, Tomohiro Akaki, Hiroki Kitada
Proc. ASME. GT2021, Volume 9B: Structures and Dynamics — Fatigue, Fracture, and Life Prediction; Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V09BT29A004, June 7–11, 2021
Paper No: GT2021-58445
DOI: https://doi.org/10.1115/GT2021-58445
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Topics: Dampers, Friction, Kinematics, Modeling, Stiffness, Turbine blades
Proceedings Papers

Thermal Performance of Double-Sided, Partial Height Strip Fin Arrays in a High Aspect Ratio, Rectangular Channel

Nathaniel J. Tracy, Lesley M. Wright, Je-Chin Han
Proc. ASME. GT2021, Volume 5B: Heat Transfer — General Interest; Internal Air Systems; Internal Cooling, V05BT15A019, June 7–11, 2021
Paper No: GT2021-59774
DOI: https://doi.org/10.1115/GT2021-59774
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Topics: Friction, Heat transfer, Strips
Proceedings Papers

Convection in Scaled Turbine Internal Cooling Passages With Additive Manufacturing Roughness

Gabriel J. Stafford, Stephen T. McClain, David R. Hanson, Robert F. Kunz, Karen A. Thole
Proc. ASME. GT2021, Volume 5B: Heat Transfer — General Interest; Internal Air Systems; Internal Cooling, V05BT15A018, June 7–11, 2021
Paper No: GT2021-59684
DOI: https://doi.org/10.1115/GT2021-59684
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Topics: Additive manufacturing, Convection, Cooling, Surface roughness, Turbines, Aluminum, Friction, Compressibility, Computer numerical control machine tools, Drag (Fluid dynamics)