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Proceedings Papers

Combined Effects of Fluid Inertia and Gas Rarefaction on The Performance of Textured Gas Bearings

Kefan Xu, Guanghui Zhang, Yiken Lu, Jiazhen Han, Zhongwen Huang, Wenjie Gong
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, V10AT22A008, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-124993
https://doi.org/10.1115/GT2024-124993
View Paper titled, Combined Effects of Fluid Inertia and Gas Rarefaction on The Performance of Textured Gas Bearings
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Topics: Fluids, Gas bearings, Inertia (Mechanics), Journal bearings, Texture (Materials), Clearances (Engineering), Slip flow, Algorithms, Design, Finite difference methods
Proceedings Papers

Multi-Stage Cyclic Symmetry Analysis of an Industrial High Pressure Turbine Assembly – Comparing Structural, Modal, and Solve Statistics

Jeffrey Bronson
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, V10AT23A001, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-121385
https://doi.org/10.1115/GT2024-121385
View Paper titled, Multi-Stage Cyclic Symmetry Analysis of an Industrial High Pressure Turbine Assembly – Comparing Structural, Modal, and Solve Statistics
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Topics: High pressure (Physics), Manufacturing, Statistics, Turbines, Geometry, Structural analysis, Airfoils, Modal analysis, Mode shapes, Modeling
Proceedings Papers

Performance of Rough-Ribbed Low-Pressure Turbine Blades Under Varying Loading and Operating Conditions

Ananth S. M., Massimiliano Nardini, Melissa Kozul, Nagabhushana Rao Vadlamani, Richard D. Sandberg
Proc. ASME. GT2024, Volume 12B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing, V12BT30A039, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-127998
https://doi.org/10.1115/GT2024-127998
View Paper titled, Performance of Rough-Ribbed Low-Pressure Turbine Blades Under Varying Loading and Operating Conditions
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Topics: Pressure, Surface roughness, Turbine blades, Design, Skin friction (Fluid dynamics), Blades, Boundary layers, Flow (Dynamics), Turbulence, Bubbles
Proceedings Papers

High-Fidelity Computational Assessment of Aero-Thermal Performance and the Reynolds’ Analogy for Additively Manufactured Anisotropic Surface Roughness

Thomas O. Jelly, Wagih Abu Rowin, Nicholas Hutchins, Daniel Chung, Koichi Tanimoto, Takuo Oda, Richard D. Sandberg
Proc. ASME. GT2023, Volume 7B: Heat Transfer — General Interest/Additive Manufacturing Impacts on Heat Transfer; Internal Air Systems; Internal Cooling, V07BT13A005, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-102138
https://doi.org/10.1115/GT2023-102138
View Paper titled, High-Fidelity Computational Assessment of Aero-Thermal Performance and the Reynolds’ Analogy for Additively Manufactured Anisotropic Surface Roughness
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Topics: Additive manufacturing, Anisotropy, Heat transfer, Surface roughness, Turbulence, Flow (Dynamics), Pressure, Channel flow, Computational fluid dynamics, Computer simulation
Proceedings Papers

Finding Optimal Hemo-Compatible Operating Conditions for Ventricular Assistance Device

Louis Marcel, Mathieu Specklin, Smaine Kouidri
Proc. ASME. GT2023, Volume 9: Microturbines, Turbochargers, and Small Turbomachines; Oil and Gas Applications, V009T18A013, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-103635
https://doi.org/10.1115/GT2023-103635
View Paper titled, Finding Optimal Hemo-Compatible Operating Conditions for Ventricular Assistance Device
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Topics: Accidents, Biological cells, Blood, Centrifugal pumps, Computational fluid dynamics, Computer simulation, Erythrocytes, Flow (Dynamics), Fluids, Geometry
Proceedings Papers

Learning RANS Model Parameters From LES Using Bayesian Inference

Santosh Hemchandra, Anindya Datta, Matthew P. Juniper
Proc. ASME. GT2023, Volume 3A: Combustion, Fuels, and Emissions, V03AT04A051, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-102159
https://doi.org/10.1115/GT2023-102159
View Paper titled, Learning RANS Model Parameters From LES Using Bayesian Inference
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Topics: Reynolds-averaged Navier–Stokes equations, Flow (Dynamics), Design, Turbulence, Combustion, Eddies (Fluid dynamics), Energy dissipation, Engineering design, Engineering simulation, Flames
Proceedings Papers

Evaluating the Effect of Liquid Water and Steam on Jet Flame Physics

John Schihl, Aaron W. Skiba, Campbell D. Carter, Amirreza Gandomkar, Jack Whitcomb, Patton M. Allison
Proc. ASME. GT2023, Volume 3A: Combustion, Fuels, and Emissions, V03AT04A034, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-101575
https://doi.org/10.1115/GT2023-101575
View Paper titled, Evaluating the Effect of Liquid Water and Steam on Jet Flame Physics
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Topics: Flames, Physics, Steam, Water, Turbulence, Methane, Combustion, Computation, Density, Excitation
Proceedings Papers

Effects of Riblet Dimensions on the Transitional Boundary Layers Over High-Lift Turbine Blades

S. M. Ananth, Massimiliano Nardini, Aditya Vaid, Melissa Kozul, Nagabhushana Rao Vadlamani, Richard D. Sandberg
Proc. ASME. GT2023, Volume 13B: Turbomachinery — Axial Flow Turbine Aerodynamics, V13BT30A036, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-103536
https://doi.org/10.1115/GT2023-103536
View Paper titled, Effects of Riblet Dimensions on the Transitional Boundary Layers Over High-Lift Turbine Blades
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Topics: Boundary layers, Dimensions, Turbine blades, Surface roughness, Blades, Skin friction (Fluid dynamics), Bubbles, Drag (Fluid dynamics), Flow (Dynamics), Separation (Technology)
Proceedings Papers

Numerical Investigation of Particle Deposition in Double Wall Effusion Cooled Systems

Florian Y. A. Villain, Nikul Vadgama, Jack G. Gaskell, Peter T. Ireland, Matthew McGilvray, David R. H. Gillespie
Proc. ASME. GT2022, Volume 10B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing; Radial Turbomachinery Aerodynamics, V10BT31A008, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-81157
https://doi.org/10.1115/GT2022-81157
View Paper titled, Numerical Investigation of Particle Deposition in Double Wall Effusion Cooled Systems
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Topics: Particulate matter, Cooling, Cooling systems, Blades, Discrete element methods, Dust, Aircraft engines, Computational fluid dynamics, Computer software, Diamonds
Proceedings Papers

The Effects of High Centrifugal Acceleration on Bluff-Body Stabilized Premixed Flames

Timothy Erdmann, Ephraim Gutmark, Andrew Caswell
Proc. ASME. GT2022, Volume 3A: Combustion, Fuels, and Emissions, V03AT04A002, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-77975
https://doi.org/10.1115/GT2022-77975
View Paper titled, The Effects of High Centrifugal Acceleration on Bluff-Body Stabilized Premixed Flames
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Topics: Flames, Ducts, Flow (Dynamics), Pressure, Reynolds number, Static stability, Wakes, Arches, Pressure measurement, Shear (Mechanics)
Proceedings Papers

Impact of Hydrogen Addition on the Thermoacoustic Instability and Precessing Vortex Core Dynamics in a CH 4 /H 2 /air Technically Premixed Combustor

Anindya Datta, Saarthak Gupta, Santosh Hemchandra, Ianko Chterev, Isaac Boxx
Proc. ASME. GT2021, Volume 3A: Combustion, Fuels, and Emissions, V03AT04A018, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-58794
https://doi.org/10.1115/GT2021-58794
View Paper titled, Impact of Hydrogen Addition on the Thermoacoustic Instability and Precessing Vortex Core Dynamics in a CH 4 /H 2 /air Technically Premixed Combustor
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Topics: Combustion chambers, Dynamics (Mechanics), Hydrogen, Methane, Vortices, Oscillations, Flames, Flow (Dynamics), Fuels, Nozzles
Proceedings Papers

Anomaly Detection for Large Fleets of Industrial Equipment: Utilizing Machine Learning With Applications to Power Plant Monitoring

Cody W. Allen, Chad Holcomb, Maurício de Oliveira
Proc. ASME. GT2021, Volume 4: Controls, Diagnostics, and Instrumentation; Cycle Innovations; Cycle Innovations: Energy Storage; Education; Electric Power, V004T05A016, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-60116
https://doi.org/10.1115/GT2021-60116
View Paper titled, Anomaly Detection for Large Fleets of Industrial Equipment: Utilizing Machine Learning With Applications to Power Plant Monitoring
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Topics: Machine learning, Power stations, Machinery, Gas turbines, Algorithms, Errors, Failure, Model development, Neural network models, Reliability
Proceedings Papers

High-Fidelity Simulations of a High-Pressure Turbine Stage: Effects of Reynolds Number and Inlet Turbulence

Yaomin Zhao, Richard D. Sandberg
Proc. ASME. GT2021, Volume 2B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing, V02BT32A004, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-58995
https://doi.org/10.1115/GT2021-58995
View Paper titled, High-Fidelity Simulations of a High-Pressure Turbine Stage: Effects of Reynolds Number and Inlet Turbulence
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Topics: Engineering simulation, High pressure (Physics), Reynolds number, Simulation, Turbines, Turbulence, Rotors, Wakes, Blades, Flow (Dynamics)
Proceedings Papers

Unit Health Assessment- Oil & Gas Equipment Probabilistic Case Study

Noor Azman Mohamat Nor, Andrew Findlay
Proc. ASME. GT2021, Volume 8: Oil and Gas Applications; Steam Turbine, V008T20A009, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-59318
https://doi.org/10.1115/GT2021-59318
View Paper titled, Unit Health Assessment- Oil & Gas Equipment Probabilistic Case Study
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Topics: Downtime, Failure, Gas turbines, Life cycle management, Maintainability, Maintenance, Ocean engineering, Pattern recognition, Performance, Probability
Proceedings Papers

The Flow Field Characteristic Correlated With Heat Transfer Performance in a Wide Channel With Staggered Circular Pin Fins

Jingtian Duan, Ke Zhang, Jin Xu, Jiang Lei, Junmei Wu
Proc. ASME. GT2020, Volume 7A: Heat Transfer, V07AT15A035, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-16177
https://doi.org/10.1115/GT2020-16177
View Paper titled, The Flow Field Characteristic Correlated With Heat Transfer Performance in a Wide Channel With Staggered Circular Pin Fins
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Topics: Fins, Flow (Dynamics), Heat transfer, Statistics, Cylinders, Geometry, Kinetic energy, Liquid crystals, Particulate matter, Reynolds number
Proceedings Papers

Ekman Layer Scrubbing and Shroud Heat Transfer in Centrifugal Buoyancy-Driven Convection

Feng Gao, John W. Chew
Proc. ASME. GT2020, Volume 7C: Heat Transfer, V07CT14A028, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-16220
https://doi.org/10.1115/GT2020-16220
View Paper titled, Ekman Layer Scrubbing and Shroud Heat Transfer in Centrifugal Buoyancy-Driven Convection
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Topics: Buoyancy, Convection, Ekman dynamics, Heat transfer, Cavities, Approximation, Computer simulation, Eddies (Fluid dynamics), Engines, Flow (Dynamics)
Proceedings Papers

Reynolds Stress Field and Turbulent Kinetic Energy Budget in a Repeating Compressor Stage

Ahmad Nawab, Feng Wang, Luca di Mare, John J. Adamczyk
Proc. ASME. GT2020, Volume 2E: Turbomachinery, V02ET41A017, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-14804
https://doi.org/10.1115/GT2020-14804
View Paper titled, Reynolds Stress Field and Turbulent Kinetic Energy Budget in a Repeating Compressor Stage
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Topics: Compressors, Kinetic energy, Stress, Turbulence, Flow (Dynamics), Simulation, Computation, Pressure gradient, Reynolds-averaged Navier–Stokes equations, Chords (Trusses)
Proceedings Papers

Signal Processing Techniques to Detect Centrifugal Compressors Instabilities in Large Volume Power Plants

Carlo Alberto Niccolini Marmont Du Haut Champ, Mario Luigi Ferrari, Paolo Silvestri, Aristide Fausto Massardo
Proc. ASME. GT2020, Volume 5: Controls, Diagnostics, and Instrumentation; Cycle Innovations; Cycle Innovations: Energy Storage, V005T06A009, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-14795
https://doi.org/10.1115/GT2020-14795
View Paper titled, Signal Processing Techniques to Detect Centrifugal Compressors Instabilities in Large Volume Power Plants
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Topics: Compressors, Power stations, Signal processing, Surges, Wavelets, Microturbines, Signals, Accelerometers, Acoustics, Combustion chambers
Proceedings Papers

Boundary Layer Flashback Model for Hydrogen Flames in Confined Geometries Including the Effect of Adverse Pressure Gradient

Ólafur H. Björnsson, Sikke A. Klein, Joeri Tober
Proc. ASME. GT2020, Volume 4A: Combustion, Fuels, and Emissions, V04AT04A005, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-14164
https://doi.org/10.1115/GT2020-14164
View Paper titled, Boundary Layer Flashback Model for Hydrogen Flames in Confined Geometries Including the Effect of Adverse Pressure Gradient
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Topics: Boundary layers, Flames, Hydrogen, Pressure gradient, Diffusers, Flow (Dynamics), Flow separation, Combustion, Computation, Computer simulation
Proceedings Papers

Development and Validation of a Continuous Random Walk Model for Particle Tracking in Accelerating Flows

Nikul Vadgama, Marios Kapsis, Peter Forsyth, Matthew McGilvray, David R. H. Gillespie
Proc. ASME. GT2020, Volume 2B: Turbomachinery, V02BT34A016, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-16026
https://doi.org/10.1115/GT2020-16026
View Paper titled, Development and Validation of a Continuous Random Walk Model for Particle Tracking in Accelerating Flows
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Topics: Flow (Dynamics), Particulate matter, Reynolds-averaged Navier–Stokes equations, Turbulence, Engineering simulation, Simulation, Statistics, Stress, Computational fluid dynamics, Damage