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Journal Articles

Improving a Two-Equation Eddy-Viscosity Turbulence Model for High-Rayleigh-Number Natural-Convection Flows Using Machine Learning

Accepted Manuscript
Ali Haghiri, Xiaowei Xu, Richard Sandberg, Koichi Tanimoto, Takuo Oda
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power.
Paper No: GTP-24-1407
https://doi.org/10.1115/1.4066594
Published Online: September 20, 2024
View Article titled, Improving a Two-Equation Eddy-Viscosity Turbulence Model for High-Rayleigh-Number Natural-Convection Flows Using Machine Learning
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Topics: Eddies (Fluid dynamics), Flow (Dynamics), Machine learning, Natural convection, Turbulence, Viscosity, Reynolds-averaged Navier–Stokes equations, Heat flux, Reynolds stress, Computer programming
Journal Articles

A Thermal Model for a Hybrid Gas Bearing System in Oil-Free Turbochargers

Accepted Manuscript
Wonbae Jung, Adolfo Delgado, Anthony Dudlo, Sang-Guk Kang, Chol-Bum M. Kweon
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power.
Paper No: GTP-24-1519
https://doi.org/10.1115/1.4066588
Published Online: September 19, 2024
View Article titled, A Thermal Model for a Hybrid Gas Bearing System in Oil-Free Turbochargers
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Topics: Gas bearings, Turbochargers, Rotors, Temperature, Bearings, Thermal energy transport, Viscosity, Algorithms, Damping, Density
Journal Articles

Tribological Performance of Soft Magnetic Composite Materials for Gas Turbine Applications

Accepted Manuscript
Alessio Suman, Annalisa Fortini
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power.
Paper No: GTP-24-1497
https://doi.org/10.1115/1.4066423
Published Online: September 3, 2024
View Article titled, Tribological Performance of Soft Magnetic Composite Materials for Gas Turbine Applications
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Topics: Composite materials, Gas turbines, Tribology, Stress, Surface mount components, Aerospace industry, Bearings, Complex systems, Disks, Electrification
Journal Articles

Effect of Air-Liquid Homogeneous Mixture on the Linear Dynamic Characteristics of a Hydrostatic Journal Bearing

Anthony Voitus, Mihai Arghir, Mohamed-Amine Hassini
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. December 2023, 145(12): 121018.
Paper No: GTP-23-1333
https://doi.org/10.1115/1.4063523
Published Online: October 26, 2023
View Article titled, Effect of Air-Liquid Homogeneous Mixture on the Linear Dynamic Characteristics of a Hydrostatic Journal Bearing
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Topics: Bearings, Flow (Dynamics), Hydrostatics, Viscosity, Inertia (Mechanics), Pressure, Stiffness
Journal Articles

Static and Dynamic Characteristics of Journal Bearings Under Uncertainty: A Nonprobabilistic Perspective

Chao Fu, Weidong Zhu, Jiaojiao Ma, Fengshou Gu
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. July 2022, 144(7): 071012.
Paper No: GTP-22-1040
https://doi.org/10.1115/1.4054376
Published Online: May 20, 2022
View Article titled, Static and Dynamic Characteristics of Journal Bearings Under Uncertainty: A Nonprobabilistic Perspective
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Topics: Bearings, Journal bearings, Uncertainty, Viscosity, Clearances (Engineering), Pressure, Lubricants, Stress, Film thickness
Journal Articles

Modeling the Transport of Fuel Mixture Perturbations and Entropy Waves in the Linearized Framework

Thomas Ludwig Kaiser, Kilian Oberleithner
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. November 2021, 143(11): 111001.
Paper No: GTP-20-1551
https://doi.org/10.1115/1.4051714
Published Online: September 3, 2021
View Article titled, Modeling the Transport of Fuel Mixture Perturbations and Entropy Waves in the Linearized Framework
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Topics: Channel flow, Entropy, Flow (Dynamics), Fluctuations (Physics), Scalars, Viscosity, Waves, Turbulence, Eddies (Fluid dynamics), Modeling
Journal Articles

Test Results for the Static and Rotordynamic Characteristics of a Long ( L/D = 0.75) Smooth Seal in Two-Phase (Mainly Gas) Conditions With a 62-Bar Inlet Pressure

Dung L. Tran, Dara W. Childs, Hari Shrestha, Min Zhang
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. April 2021, 143(4): 041010.
Paper No: GTP-20-1638
https://doi.org/10.1115/1.4049773
Published Online: February 26, 2021
View Article titled, Test Results for the Static and Rotordynamic Characteristics of a Long ( L/D = 0.75) Smooth Seal in Two-Phase (Mainly Gas) Conditions With a 62-Bar Inlet Pressure
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Topics: Damping, Flow (Dynamics), Leakage, Pressure, Stiffness, Computational fluid dynamics, Density, Two-phase flow, Viscosity
Journal Articles

Oil Brush Seals in Turbomachinery: Flow Analyses and Closed-Form Solutions

Ertuğrul Tolga Duran
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. October 2020, 142(10): 101001.
Paper No: GTP-20-1134
https://doi.org/10.1115/1.4048327
Published Online: September 23, 2020
View Article titled, Oil Brush Seals in Turbomachinery: Flow Analyses and Closed-Form Solutions
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Topics: Clearances (Engineering), Flow (Dynamics), Leakage, Pressure, Pressure drop, Rotors, Temperature, Turbomachinery, Viscosity, Heating
Journal Articles

Enhanced Delayed Detached Eddy Simulation for Cavities and Labyrinth Seals

Richard J. Jefferson-Loveday
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. January 2020, 142(1): 011017.
Paper No: GTP-19-1652
https://doi.org/10.1115/1.4045484
Published Online: December 5, 2019
View Article titled, Enhanced Delayed Detached Eddy Simulation for Cavities and Labyrinth Seals
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Topics: Cavities, Delay differential equations, Eddies (Fluid dynamics), Flow (Dynamics), Reynolds-averaged Navier–Stokes equations, Simulation, Turbulence, Vorticity, Viscosity
Journal Articles

A General Study of Counterflow Diffusion Flames for Supercritical CO 2 Combustion

K. R. V. Manikantachari, Scott Martin, Ramees K. Rahman, Carlos Velez, Subith Vasu
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. December 2019, 141(12): 121020.
Paper No: GTP-19-1538
https://doi.org/10.1115/1.4045195
Published Online: November 19, 2019
View Article titled, A General Study of Counterflow Diffusion Flames for Supercritical CO 2 Combustion
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Topics: Carbon dioxide, Combustion, Diffusion flames, Flames, Modeling, Pressure, Prandtl number, Energy dissipation, Scalars, Temperature
Journal Articles

Heat Transfer Prediction From Large Eddy Simulation of a Rotating Cavity With Radial Inflow

Michel Onori, Dario Amirante, Nicholas J. Hills, John W. Chew
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. December 2019, 141(12): 121002.
Paper No: GTP-19-1497
https://doi.org/10.1115/1.4045150
Published Online: October 24, 2019
View Article titled, Heat Transfer Prediction From Large Eddy Simulation of a Rotating Cavity With Radial Inflow
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Topics: Cavities, Flow (Dynamics), Inflow, Large eddy simulation, Heat transfer, Viscosity, Disks, Turbulence, Temperature, Fluids
Journal Articles

Trajectory of a Liquid Jet in a High Temperature and Pressure Gaseous Cross Flow

Amirreza Amighi, Nasser Ashgriz
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. June 2019, 141(6): 061019.
Paper No: GTP-17-1405
https://doi.org/10.1115/1.4042817
Published Online: March 1, 2019
View Article titled, Trajectory of a Liquid Jet in a High Temperature and Pressure Gaseous Cross Flow
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Topics: Momentum, Nozzles, Pressure, Temperature, Trajectories (Physics), Sprays, High temperature, Flow (Dynamics), Viscosity, Cross-flow
Journal Articles

Gas Turbine Fouling Tests: Review, Critical Analysis, and Particle Impact Behavior Map

Alessio Suman, Nicola Casari, Elettra Fabbri, Michele Pinelli, Luca di Mare, Francesco Montomoli
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. March 2019, 141(3): 032601.
Paper No: GTP-18-1525
https://doi.org/10.1115/1.4041282
Published Online: November 29, 2018
View Article titled, Gas Turbine Fouling Tests: Review, Critical Analysis, and Particle Impact Behavior Map
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Topics: Particulate matter, Temperature, Viscosity
Journal Articles

A Thermoelastohydrodynamic Analysis for the Static Performance of High-Speed—Heavy Load Tilting-Pad Journal Bearing Operating in the Turbulent Flow Regime and Comparisons to Test Data

Hirotoshi Arihara, Yuki Kameyama, Yoshitaka Baba, Luis San Andrés
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. February 2019, 141(2): 021023.
Paper No: GTP-18-1445
https://doi.org/10.1115/1.4041130
Published Online: October 4, 2018
View Article titled, A Thermoelastohydrodynamic Analysis for the Static Performance of High-Speed—Heavy Load Tilting-Pad Journal Bearing Operating in the Turbulent Flow Regime and Comparisons to Test Data
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Topics: Bearings, Deformation, Journal bearings, Pressure, Stress, Temperature, Turbulence, Flow (Dynamics), Laminar flow, Viscosity
Journal Articles

Modeling Reichardt's Formula for Eddy Viscosity in the Fluid Film of Tilting Pad Thrust Bearings

Xin Deng, Brian Weaver, Cori Watson, Michael Branagan, Houston Wood, Roger Fittro
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. August 2018, 140(8): 082505.
Paper No: GTP-17-1614
https://doi.org/10.1115/1.4038857
Published Online: April 26, 2018
View Article titled, Modeling Reichardt's Formula for Eddy Viscosity in the Fluid Film of Tilting Pad Thrust Bearings
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Topics: Bearings, Eddies (Fluid dynamics), Fluid films, Lubrication, Modeling, Reynolds number, Turbulence, Viscosity, Water, Film thickness
Journal Articles

Performance of Adaptive Lubricants in a Hybrid Journal Bearing Operating Under Fully Saturated Conditions

Ssu-Ying Chien, M. S. Cramer, Gen Fu, Alexandrina Untaroiu
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. June 2018, 140(6): 062504.
Paper No: GTP-17-1481
https://doi.org/10.1115/1.4038551
Published Online: February 21, 2018
View Article titled, Performance of Adaptive Lubricants in a Hybrid Journal Bearing Operating Under Fully Saturated Conditions
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Topics: Bearings, Carbon dioxide, Computational fluid dynamics, Journal bearings, Lubricants, Pressure, Temperature, Viscosity, Stress
Journal Articles

Effects of Fluid Properties on Spray Characteristics of a Flow-Blurring Atomizer

Brian T. Fisher, Michael R. Weismiller, Steven G. Tuttle, Katherine M. Hinnant
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. April 2018, 140(4): 041511.
Paper No: GTP-17-1412
https://doi.org/10.1115/1.4038084
Published Online: November 7, 2017
View Article titled, Effects of Fluid Properties on Spray Characteristics of a Flow-Blurring Atomizer
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Topics: Drops, Flow (Dynamics), Fluids, Sprays, Water, Surface tension, Viscosity
Journal Articles

Thermal and Transport Properties for the Simulation of Direct-Fired sCO 2 Combustor

K. R. V. Manikantachari, Scott Martin, Jose O. Bobren-Diaz, Subith Vasu
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. December 2017, 139(12): 121505.
Paper No: GTP-17-1210
https://doi.org/10.1115/1.4037579
Published Online: September 6, 2017
View Article titled, Thermal and Transport Properties for the Simulation of Direct-Fired sCO 2 Combustor
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Topics: Carbon dioxide, Combustion, Combustion chambers, Pressure, Simulation, Temperature, Viscosity, Thermal conductivity, Compression, Methane
Journal Articles

Second-Law Heat Release Modeling of a Compression Ignition Engine Fueled With Blends of Palm Biodiesel

Jonathan Mattson, Evan Reznicek, Christopher Depcik
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. September 2016, 138(9): 091502.
Paper No: GTP-16-1008
https://doi.org/10.1115/1.4032741
Published Online: March 30, 2016
View Article titled, Second-Law Heat Release Modeling of a Compression Ignition Engine Fueled With Blends of Palm Biodiesel
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Topics: Biodiesel, Combustion, Cylinders, Engines, Fuels, Heat transfer, Modeling, Exhaust systems, Pressure, Temperature
Journal Articles

Transient Analysis of Gas-Expanded Lubrication and Rotordynamic Performance in a Centrifugal Compressor

Brian K. Weaver, Jason A. Kaplan, Andres F. Clarens, Alexandrina Untaroiu
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. April 2016, 138(4): 042504.
Paper No: GTP-15-1249
https://doi.org/10.1115/1.4031527
Published Online: October 21, 2015
View Article titled, Transient Analysis of Gas-Expanded Lubrication and Rotordynamic Performance in a Centrifugal Compressor
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Topics: Bearings, Compressors, Damping, Fluids, Lubricants, Machinery, Rotors, Stiffness, Transients (Dynamics), Stability