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Journal Articles

DATA-ASSIMILATION OF TRANSITIONAL AND SEPARATED TURBOMACHINERY FLOWS WITH PHYSICS-INFORMED NEURAL NETWORKS

Open Access
Accepted Manuscript
Sean Hanrahan, Melissa Kozul, Richard Sandberg
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach.
Paper No: TURBO-24-1059
https://doi.org/10.1115/1.4068396
Published Online: April 9, 2025
View Articletitled, DATA-ASSIMILATION OF TRANSITIONAL AND SEPARATED TURBOMACHINERY FLOWS WITH PHYSICS-INFORMED NEURAL NETWORKS
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Topics: Artificial neural networks, Flow (Dynamics), Physics, Turbochargers, Turbomachinery, Turbulence, Reynolds-averaged Navier–Stokes equations, Separation (Technology), Computational fluid dynamics, Pressure
Journal Articles

Advanced Methods for Assessing Flow Physics of the TU Darmstadt Compressor Stage: Uncertainty Quantification of RANS Turbulence Modeling

Available to Purchase
Marcel Matha, Felix M. Möller, Christoph Bode, Christian Morsbach, Edmund Kügeler
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. August 2025, 147(8): 081004.
Paper No: TURBO-24-1239
https://doi.org/10.1115/1.4067315
Published Online: January 13, 2025
View Articletitled, Advanced Methods for Assessing Flow Physics of the TU Darmstadt Compressor Stage: Uncertainty Quantification of RANS Turbulence Modeling
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Topics: Compressors, Flow (Dynamics), Modeling, Reynolds stress, Reynolds-averaged Navier–Stokes equations, Simulation, Tensors, Turbulence, Uncertainty, Eigenvalues
Journal Articles

A Physics-Informed Neural Network for Solving the Inverse Heat Transfer Problem in Gas Turbine Rotating Cavities

Available to Purchase
Mark R. Puttock-Brown, Goutham K. M. Bindhu, Colin E. Ashby
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. July 2025, 147(7): 071010.
Paper No: TURBO-24-1208
https://doi.org/10.1115/1.4067125
Published Online: December 13, 2024
View Articletitled, A Physics-Informed Neural Network for Solving the Inverse Heat Transfer Problem in Gas Turbine Rotating Cavities
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Topics: Artificial neural networks, Cavities, Heat, Heat transfer, Physics, Temperature, Temperature profiles, Compressors, Disks, Flux (Metallurgy)
Journal Articles

A Data-Driven Tip Flow Loss Prediction Method for a Transonic Fan Under Boundary Layer Ingesting Inflow Distortion

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Zhe Yang, Hanan Lu, Tianyu Pan, Qiushi Li
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. January 2023, 145(1): 011001.
Paper No: TURBO-21-1236
https://doi.org/10.1115/1.4055439
Published Online: October 3, 2022
View Articletitled, A Data-Driven Tip Flow Loss Prediction Method for a Transonic Fan Under Boundary Layer Ingesting Inflow Distortion
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Topics: Annulus, Blades, Design, Flow (Dynamics), Inflow, Physics, Rotors, Computational fluid dynamics, Boundary layers, Errors
Journal Articles

An Iterative Neural Operator to Predict the Thermo-Fluid Information in Internal Cooling Channels

Available to Purchase
Li Yang, Qi Wang, Yu Rao
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. December 2022, 144(12): 121005.
Paper No: TURBO-22-1128
https://doi.org/10.1115/1.4055335
Published Online: September 15, 2022
View Articletitled, An Iterative Neural Operator to Predict the Thermo-Fluid Information in Internal Cooling Channels
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Topics: Artificial neural networks, Cooling, Errors, Heat flux, Heat transfer, Partial differential equations, Physics, Pressure, Temperature, Thermofluids
Journal Articles

Physics and Instantaneous Performance of Radial Turbines in Unsteady Flows: Validity of the Quasi-Steady Assumption for the Rotor

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Nicolas Binder, Yanncik Bousquet, Florian Hermet, Jérémie Gressier
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. November 2022, 144(11): 111002.
Paper No: TURBO-21-1186
https://doi.org/10.1115/1.4054777
Published Online: July 4, 2022
View Articletitled, Physics and Instantaneous Performance of Radial Turbines in Unsteady Flows: Validity of the Quasi-Steady Assumption for the Rotor
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Topics: Flow (Dynamics), Pressure, Rotors, Torque, Transients (Dynamics), Turbines, Unsteady flow, Waves, Computer simulation, Physics
Journal Articles

A Machine-Learnt Wall Function for Rotating Diffusers

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Lorenzo Tieghi, Alessandro Corsini, Giovanni Delibra, Francesco Aldo Tucci
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. August 2021, 143(8): 081012.
Paper No: TURBO-20-1368
https://doi.org/10.1115/1.4050442
Published Online: May 3, 2021
View Articletitled, A Machine-Learnt Wall Function for Rotating Diffusers
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Topics: Algorithms, Computer simulation, Diffusers, Flow (Dynamics), Machinery, Modeling, Reynolds-averaged Navier–Stokes equations, Simulation, Turbulence, Machine learning
Journal Articles

Physics-Based Part Orientation and Sentencing: A Solution to Manufacturing Variability

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Wen Yao Lee, William N. Dawes, John D. Coull
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. October 2020, 142(10): 101001.
Paper No: TURBO-20-1037
https://doi.org/10.1115/1.4047613
Published Online: September 11, 2020
View Articletitled, Physics-Based Part Orientation and Sentencing: A Solution to Manufacturing Variability
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Topics: Blades, Manufacturing, Physics, Rotors, Geometry, Design
Journal Articles

Machine-Learnt Turbulence Closures for Low-Pressure Turbines With Unsteady Inflow Conditions

Available to Purchase
H. D. Akolekar, R. D. Sandberg, N. Hutchins, V. Michelassi, G. Laskowski
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. October 2019, 141(10): 101009.
Paper No: TURBO-18-1305
https://doi.org/10.1115/1.4043907
Published Online: September 30, 2019
View Articletitled, Machine-Learnt Turbulence Closures for Low-Pressure Turbines With Unsteady Inflow Conditions
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Topics: Errors, Flow (Dynamics), Physics, Turbulence, Wakes, Inflow, Approximation, Locks (Waterways), Model development, Pressure
Journal Articles

Flow Physics of Diffused-Exit Film Cooling Holes Fed by Internal Crossflow

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John W. McClintic, Dale W. Fox, Fraser B. Jones, David G. Bogard, Thomas E. Dyson, Zachary D. Webster
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. March 2019, 141(3): 031010.
Paper No: TURBO-18-1326
https://doi.org/10.1115/1.4042166
Published Online: January 16, 2019
View Articletitled, Flow Physics of Diffused-Exit Film Cooling Holes Fed by Internal Crossflow
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Topics: Coolants, Diffusers, Film cooling, Flow (Dynamics), Temperature, Swirling flow, Physics
Journal Articles

Direct Numerical Simulations of a High-Pressure Turbine Vane

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Andrew P. S. Wheeler, Richard D. Sandberg, Neil D. Sandham, Richard Pichler, Vittorio Michelassi, Greg Laskowski
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. July 2016, 138(7): 071003.
Paper No: TURBO-15-1231
https://doi.org/10.1115/1.4032435
Published Online: February 17, 2016
View Articletitled, Direct Numerical Simulations of a High-Pressure Turbine Vane
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Topics: Flow (Dynamics), Heat transfer, Suction, Turbines, Turbulence, Computer simulation, High pressure (Physics), Energy dissipation, Boundary layers, Mach number
Journal Articles

High Resolution RANS Nonlinear Harmonic Study of Stage 67 Tip Injection Physics

Available to Purchase
Allan D. Grosvenor, Gregory S. Rixon, Logan M. Sailer, Michael A. Matheson, David P. Gutzwiller, Alain Demeulenaere, Mathieu Gontier, Anthony J. Strazisar
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. May 2015, 137(5): 051005.
Paper No: TURBO-14-1188
https://doi.org/10.1115/1.4028550
Published Online: May 1, 2015
View Articletitled, High Resolution RANS Nonlinear Harmonic Study of Stage 67 Tip Injection Physics
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Topics: Blades, Boundary layers, Compressors, Ejectors, Flow (Dynamics), Pressure, Resolution (Optics), Rotors, Vortices, Shock (Mechanics)
Journal Articles

A Brief Introduction to the Special Session Honoring Dr. Leroy H. Smith

Free
David C. Wisler
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Foreword
J. Turbomach. November 2012, 134(6): 060501.
https://doi.org/10.1115/1.4007211
Published Online: September 12, 2012
View Articletitled, A Brief Introduction to the Special Session Honoring Dr. Leroy H. Smith
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Topics: Aerodynamics, Compressors, Design methodology, Engineering teachers, Engineers, Engines, International Gas Turbine Institute, Leadership, Mentoring, Military aircraft
Journal Articles

Improving Efficiency of a High Work Turbine Using Nonaxisymmetric Endwalls—Part II: Time-Resolved Flow Physics

Available to Purchase
P. Schüpbach, R. S. Abhari, M. G. Rose, T. Germain, I. Raab, J. Gier
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. April 2010, 132(2): 021008.
https://doi.org/10.1115/1.3103926
Published Online: January 12, 2010
View Articletitled, Improving Efficiency of a High Work Turbine Using Nonaxisymmetric Endwalls—Part II: Time-Resolved Flow Physics
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Topics: Energy dissipation, Flow (Dynamics), Pressure, Rotors, Stators, Turbines, Vortices, Vorticity, Physics, Blades
Journal Articles

Flow Physics and Profiling of Recessed Blade Tips: Impact on Performance and Heat Load

Available to Purchase
Bob Mischo, Thomas Behr, Reza S. Abhari
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. April 2008, 130(2): 021008.
https://doi.org/10.1115/1.2775485
Published Online: February 29, 2008
View Articletitled, Flow Physics and Profiling of Recessed Blade Tips: Impact on Performance and Heat Load
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Topics: Blades, Cavities, Computational fluid dynamics, Design, Flow (Dynamics), Pressure, Rotors, Vortices, Leakage, Turbines
Journal Articles

Optimization of a Real-Time Simulator Based on Recurrent Neural Networks for Compressor Transient Behavior Prediction

Available to Purchase
M. Venturini
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Technical Papers
J. Turbomach. July 2007, 129(3): 468–478.
https://doi.org/10.1115/1.2437232
Published Online: May 31, 2006
View Articletitled, Optimization of a Real-Time Simulator Based on Recurrent Neural Networks for Compressor Transient Behavior Prediction
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Topics: Artificial neural networks, Compressors, Delays, Errors, Physics, Testing, Simulation, Transients (Dynamics), Optimization, Dynamic models
Journal Articles

Simulation of Compressor Transient Behavior Through Recurrent Neural Network Models

Available to Purchase
M. Venturini
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Technical Papers
J. Turbomach. July 2006, 128(3): 444–454.
https://doi.org/10.1115/1.2183315
Published Online: February 1, 2005
View Articletitled, Simulation of Compressor Transient Behavior Through Recurrent Neural Network Models
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Topics: Compressors, Delays, Errors, Physics, Simulation, Transients (Dynamics), Artificial neural networks, Measurement uncertainty, Testing
Journal Articles

Leading-Edge Film-Cooling Physics—Part III: Diffused Hole Effectiveness

Available to Purchase
William D. York, James H. Leylek
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Technical Papers
J. Turbomach. April 2003, 125(2): 252–259.
https://doi.org/10.1115/1.1559899
Published Online: April 23, 2003
View Articletitled, Leading-Edge Film-Cooling Physics—Part III: Diffused Hole Effectiveness
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Topics: Coolants, Diffusers, Film cooling, Heating, Physics, Simulation, Turbines, Flow (Dynamics), Cooling, Navier-Stokes equations
Journal Articles

Physics of Hot Crossflow Ingestion in Film Cooling

Available to Purchase
E. L. McGrath, J. H. Leylek
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. July 1999, 121(3): 532–541.
https://doi.org/10.1115/1.2841348
Published Online: July 1, 1999
View Articletitled, Physics of Hot Crossflow Ingestion in Film Cooling
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Topics: Film cooling, Physics, Flow (Dynamics), Coolants, Gas turbines, Computational fluid dynamics, Density, Geometry, Modeling, Reynolds number
Journal Articles

A Shock Loss Model for Supersonic Compressor Cascades

Available to Purchase
G. S. Bloch, W. W. Copenhaver, W. F. O’Brien
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. January 1999, 121(1): 28–35.
https://doi.org/10.1115/1.2841231
Published Online: January 1, 1999
View Articletitled, A Shock Loss Model for Supersonic Compressor Cascades
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Topics: Compressors, Shock (Mechanics), Mach number, Airfoils, Boundary layers, Cascades (Fluid dynamics), Compression, Flow (Dynamics), Fluid mechanics, Geometry