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Proceedings Papers

Effect of Rotation on Heat Transfer in AR = 2:1 and AR = 4:1 Channels Connected by a Series of Crossover Jets

Srivatsan Madhavan, Prashant Singh, Srinath V. Ekkad

Proc. ASME. GT2021, Volume 5B: Heat Transfer — General Interest; Internal Air Systems; Internal Cooling, V05BT15A014, June 7–11, 2021

Paper No: GT2021-59426

DOI: https://doi.org/10.1115/GT2021-59426

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Topics: Heat transfer, Jets, Rotation, Cooling, Fins, Flow (Dynamics), Blades, Chords (Trusses), Coolants, Gas turbines

Proceedings Papers

On the Efficiency of a Conical Under-Platform Damper for Turbines

E. Denimal, C. Wong, L. Salles, L. Pesaresi

Proc. ASME. GT2020, Volume 11: Structures and Dynamics: Structural Mechanics, Vibration, and Damping; Supercritical CO2, V011T30A012, September 21–25, 2020

Paper No: GT2020-14642

DOI: https://doi.org/10.1115/GT2020-14642

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Topics: Dampers, Turbines, Blades, Damping, Geometry, Kinematics, Wedges, Aircraft engines, Dry friction, Dynamic analysis

Proceedings Papers

Novel Approach for Optical Characterization of Thrust Collar Lubricated Area: Experimental and Numerical Results

Thomas Kerr, Adolfo Delgado

Proc. ASME. GT2020, Volume 10A: Structures and Dynamics, V10AT25A025, September 21–25, 2020

Paper No: GT2020-15467

DOI: https://doi.org/10.1115/GT2020-15467

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Topics: Thrust, Cavitation, Stress, Turbulence, Computational fluid dynamics, Modeling, Pressure, Algorithms, Bearings, Compressors

Proceedings Papers

Design and Flow Analysis of a Radial Outflow Turbo-Expander

Xuesong Wang, Jinju Sun, Changjiang Huo, Guilong Huo, Peng Song

Proc. ASME. GT2019, Volume 8: Microturbines, Turbochargers, and Small Turbomachines; Steam Turbines, V008T26A005, June 17–21, 2019

Paper No: GT2019-90346

DOI: https://doi.org/10.1115/GT2019-90346

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Topics: Design, Flow (Dynamics), Outflow, Turbochargers, Blades, Rotors, Gases, Nozzles, Shape design, Airfoils

Proceedings Papers

Measurement Drift in 3-Hole Yaw Pressure Probes From 5 Micron Sand Fouling at 1050° C

Edward J. Turner, Matthew F. Bogdan, Tyler M. O’Connell, Wing F. Ng, Kevin T. Lowe, Loren Crook, Richard Stevenson, James Roberts

Proc. ASME. GT2019, Volume 2D: Turbomachinery, V02DT47A008, June 17–21, 2019

Paper No: GT2019-90880

DOI: https://doi.org/10.1115/GT2019-90880

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Topics: Pressure, Probes, Sands, Yaw, Errors, Flow (Dynamics), Calibration, Wedges, Dust, Gas turbines

Proceedings Papers

Analysis of the Honeywell Uncertified Research Engine (HURE) With Ice Crystal Cloud Ingestion at Simulated Altitudes

Joseph P. Veres, Philip C. E. Jorgenson, Samaun Nili, Shashwath R. Bommireddy, Kenneth L. Suder

Proc. ASME. GT2019, Volume 2D: Turbomachinery, V02DT47A001, June 17–21, 2019

Paper No: GT2019-90002

DOI: https://doi.org/10.1115/GT2019-90002

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Topics: Crystals, Engines, Ice, Parallel strand lumber, Particulate matter, Stators, Temperature, Compression, Compressors, Flow (Dynamics)

Proceedings Papers

Probabilistic FE-Analysis of Cooled High Pressure Turbine Blades: Part A — Holistic Description of Manufacturing Variability

Lars Högner, Matthias Voigt, Ronald Mailach, Marcus Meyer, Ulf Gerstberger

Proc. ASME. GT2019, Volume 2D: Turbomachinery, V02DT46A011, June 17–21, 2019

Paper No: GT2019-91205

DOI: https://doi.org/10.1115/GT2019-91205

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Topics: Finite element analysis, High pressure (Physics), Manufacturing, Turbine blades, Blades, Geometry, Airfoils, Design, Computerized tomography, Cooling

Proceedings Papers

Probabilistic FE-Analysis of Cooled High Pressure Turbine Blades: Part B — Probabilistic Analysis

Lars Högner, Matthias Voigt, Ronald Mailach, Marcus Meyer, Ulf Gerstberger

Proc. ASME. GT2019, Volume 2D: Turbomachinery, V02DT46A012, June 17–21, 2019

Paper No: GT2019-91214

DOI: https://doi.org/10.1115/GT2019-91214

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Topics: Finite element analysis, High pressure (Physics), Turbine blades, Blades, Design, Robustness, Simulation, Uncertainty, Airfoils, Chain

Proceedings Papers

Development of ASTM Test Standards for the Mode I Interlaminar Fracture Toughness (G Ic --Crack Growth Resistance) of Ceramic Matrix Composites

Frank Abdi, Jalees Ahmad, Saber DorMohammadi, Cody Godines, Stephen Gonczy, Rabih Mansour, Gregory N. Morscher, Sung Choi, Jun Shi, Greg Ojard

Proc. ASME. GT2018, Volume 6: Ceramics; Controls, Diagnostics, and Instrumentation; Education; Manufacturing Materials and Metallurgy, V006T02A014, June 11–15, 2018

Paper No: GT2018-77147

DOI: https://doi.org/10.1115/GT2018-77147

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Topics: ASTM International, Ceramic matrix composites, Fracture (Materials), Fracture toughness, High temperature, Wedges, Aircraft, Alloys, Bonding, Cantilever beams

Proceedings Papers

Crack Growth Resistance of Ceramic Matrix Composites and Anisotropic Stiffness Prediction/Measurement

Cody Godines, Saber DorMohammadi, Jalees Ahmad, Rabih Mansour, Gregory N. Morscher, Sung Choi, Frank Abdi

Proc. ASME. GT2018, Volume 6: Ceramics; Controls, Diagnostics, and Instrumentation; Education; Manufacturing Materials and Metallurgy, V006T02A013, June 11–15, 2018

Paper No: GT2018-77133

DOI: https://doi.org/10.1115/GT2018-77133

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Topics: Anisotropy, Ceramic matrix composites, Fracture (Materials), Stiffness, Damage, Failure, Simulation, Temperature, Wedges, Acoustic emissions

Proceedings Papers

On the Design, Manufacture and Premature Failure of a Metal Mesh Thrust Bearing: How Concepts That Work on Paper, Actually Do Not

Travis A. Cable, Luis San Andrés

Proc. ASME. GT2018, Volume 7B: Structures and Dynamics, V07BT34A012, June 11–15, 2018

Paper No: GT2018-75340

DOI: https://doi.org/10.1115/GT2018-75340

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Topics: Design, Failure, Metals, Thrust bearings, Bearings, Rotors, Damping, Foil bearings, Stress, Coating processes

Proceedings Papers

Scale Adaptive Simulation of Transient Behavior in a Transonic Centrifugal Compressor With a Vaned Diffuser

Ali Zamiri, Jin Taek Chung

Proc. ASME. GT2018, Volume 2C: Turbomachinery, V02CT42A055, June 11–15, 2018

Paper No: GT2018-77264

DOI: https://doi.org/10.1115/GT2018-77264

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Topics: Compressors, Diffusers, Simulation, Transients (Dynamics), Pressure, Turbulence, Blades, Flow (Dynamics), Impellers, Noise (Sound)

Proceedings Papers

The Effect of Upstream Ramps With Different Shapes on Film Cooling Efficiency

Daren Zheng, Xinjun Wang, Feng Zhang, Junfei Zhou, Qi Yuan

Proc. ASME. GT2017, Volume 5A: Heat Transfer, V05AT12A010, June 26–30, 2017

Paper No: GT2017-63741

DOI: https://doi.org/10.1115/GT2017-63741

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Topics: Film cooling, Shapes, Adiabatic cooling, Coolants, Pressure, Waves, Boundary layers, Density, Flow (Dynamics), Wedges

Proceedings Papers

Heat Transfer in a Rotating Rib-Roughened Wedge-Shaped U-Duct

Liang Ding, Shuqing Tian, Hongwu Deng

Proc. ASME. GT2017, Volume 5A: Heat Transfer, V05AT16A014, June 26–30, 2017

Paper No: GT2017-64508

DOI: https://doi.org/10.1115/GT2017-64508

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Topics: Ducts, Heat transfer, Wedges, Rotation, Copper, Geometry, Pressure drop, Pressure measurement, Reynolds number

Proceedings Papers

Subsynchronous Vibration Patterns Under Reduced Oil Supply Flow Rates

B. R. Nichols, R. L. Fittro, C. P. Goyne

Proc. ASME. GT2017, Volume 7B: Structures and Dynamics, V07BT33A010, June 26–30, 2017

Paper No: GT2017-65040

DOI: https://doi.org/10.1115/GT2017-65040

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Topics: Flow (Dynamics), Vibration, Bearings, Stress, Machinery, Rotors, Stability, Cavitation, Compressors, Damping

Proceedings Papers

Effect of Foil Geometry on the Static Performance of Thrust Foil Bearings

Gen Fu, Alexandrina Untaroiu, Erik Swanson

Proc. ASME. GT2017, Volume 2C: Turbomachinery, V02CT47A016, June 26–30, 2017

Paper No: GT2017-64535

DOI: https://doi.org/10.1115/GT2017-64535

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Topics: Foil bearings, Geometry, Thrust, Computational fluid dynamics, Design, Film thickness, Fluids, Friction, Rotors, Stress

Proceedings Papers

Numerical Investigation of the Inclined Leading Edge Diffuser Vane Effects on the Flow Unsteadiness and Noise Characteristics in a Transonic Centrifugal Compressor

Ali Zamiri, Byung Ju Lee, Jin Taek Chung

Proc. ASME. GT2017, Volume 2C: Turbomachinery, V02CT43A012, June 26–30, 2017

Paper No: GT2017-65117

DOI: https://doi.org/10.1115/GT2017-65117

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Topics: Compressors, Diffusers, Flow (Dynamics), Noise (Sound), Pressure, Impellers, Engineering simulation, Simulation, Blades, Fluctuations (Physics)

Proceedings Papers

Modeling of a Turbofan Engine With Ice Crystal Ingestion in the NASA Propulsion System Laboratory

Joseph P. Veres, Philip C. E. Jorgenson, Scott M. Jones, Samaun Nili

Proc. ASME. GT2017, Volume 2D: Turbomachinery, V02DT48A003, June 26–30, 2017

Paper No: GT2017-63202

DOI: https://doi.org/10.1115/GT2017-63202

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Topics: Crystals, Engines, Ice, Modeling, NASA, Propulsion systems, Turbofans, Flow (Dynamics), Particle size, Temperature

Proceedings Papers

Crack Growth Resistance of CMC Attachment Element and Turbine Joint in Aircraft Engines

Frank Abdi, Saber DorMohammadi, Jalees Ahmad, Cody Godines, Gregory N. Morscher, Sung Choi, Rabih Mansour, Steve Gonczy, Greg Ojard

Proc. ASME. GT2017, Volume 6: Ceramics; Controls, Diagnostics and Instrumentation; Education; Manufacturing Materials and Metallurgy, V006T02A008, June 26–30, 2017

Paper No: GT2017-65089

DOI: https://doi.org/10.1115/GT2017-65089

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Topics: Aircraft engines, Ceramic matrix composites, Fracture (Materials), Turbines, Damage, Blocks (Building materials), Delamination, Failure, Modeling, Multiscale modeling

Proceedings Papers

Study of Interlaminar Fracture Properties of Ceramic Matrix Composites at Room and Elevated Temperatures

Rabih Mansour, Yogesh P. Singh, Manigandan Kannan, Gregory N. Morscher, Frank Abdi, Jalees Ahmad, Cody Godines, Saber DorMohammadi, Sung Choi

Proc. ASME. GT2017, Volume 6: Ceramics; Controls, Diagnostics and Instrumentation; Education; Manufacturing Materials and Metallurgy, V006T02A009, June 26–30, 2017

Paper No: GT2017-65168

DOI: https://doi.org/10.1115/GT2017-65168

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Topics: Ceramic matrix composites, Fracture toughness, Temperature, Fracture (Materials), Testing, Composite materials, Cross section (Physics), Electrical resistance, Engines, Failure

2 3 4 5

NARROW

Effect of Rotation on Heat Transfer in AR = 2:1 and AR = 4:1 Channels Connected by a Series of Crossover Jets

On the Efficiency of a Conical Under-Platform Damper for Turbines

Novel Approach for Optical Characterization of Thrust Collar Lubricated Area: Experimental and Numerical Results

Design and Flow Analysis of a Radial Outflow Turbo-Expander

Measurement Drift in 3-Hole Yaw Pressure Probes From 5 Micron Sand Fouling at 1050° C

Analysis of the Honeywell Uncertified Research Engine (HURE) With Ice Crystal Cloud Ingestion at Simulated Altitudes

Probabilistic FE-Analysis of Cooled High Pressure Turbine Blades: Part A — Holistic Description of Manufacturing Variability

Probabilistic FE-Analysis of Cooled High Pressure Turbine Blades: Part B — Probabilistic Analysis

Development of ASTM Test Standards for the Mode I Interlaminar Fracture Toughness (G Ic --Crack Growth Resistance) of Ceramic Matrix Composites

Crack Growth Resistance of Ceramic Matrix Composites and Anisotropic Stiffness Prediction/Measurement

On the Design, Manufacture and Premature Failure of a Metal Mesh Thrust Bearing: How Concepts That Work on Paper, Actually Do Not

Scale Adaptive Simulation of Transient Behavior in a Transonic Centrifugal Compressor With a Vaned Diffuser

The Effect of Upstream Ramps With Different Shapes on Film Cooling Efficiency

Heat Transfer in a Rotating Rib-Roughened Wedge-Shaped U-Duct

Subsynchronous Vibration Patterns Under Reduced Oil Supply Flow Rates

Effect of Foil Geometry on the Static Performance of Thrust Foil Bearings

Numerical Investigation of the Inclined Leading Edge Diffuser Vane Effects on the Flow Unsteadiness and Noise Characteristics in a Transonic Centrifugal Compressor

Modeling of a Turbofan Engine With Ice Crystal Ingestion in the NASA Propulsion System Laboratory

Crack Growth Resistance of CMC Attachment Element and Turbine Joint in Aircraft Engines

Study of Interlaminar Fracture Properties of Ceramic Matrix Composites at Room and Elevated Temperatures

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