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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

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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

Characteristics of Deterministic and Stochastic Unsteadiness of Trailing Edge Cutback Film Cooling Flows

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Xiao He, Francesco Montomoli, Vittorio Michelassi, Andrea Panizza, Leonardo Pulga
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. January 2025, 147(1): 011009.
Paper No: TURBO-24-1115
https://doi.org/10.1115/1.4066276
Published Online: September 3, 2024
View Articletitled, Characteristics of Deterministic and Stochastic Unsteadiness of Trailing Edge Cutback Film Cooling Flows
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Topics: Anisotropy, Cooling, Film cooling, Flow (Dynamics), Heat flux, Reynolds-averaged Navier–Stokes equations, Stress tensors, Turbulence, Vortex shedding, Kinetic energy
Journal Articles

Impact of High-Pressure-Turbine Purge Flow on the Evolution of Turbulence in a Turbine Vane Frame

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Asim Hafizovic, Filippo Merli, Nicolas Krajnc, Malte Schien, Andreas Peters, Franz Heitmeir, Emil Göttlich
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. August 2024, 146(8): 081005.
Paper No: TURBO-23-1283
https://doi.org/10.1115/1.4064817
Published Online: March 12, 2024
View Articletitled, Impact of High-Pressure-Turbine Purge Flow on the Evolution of Turbulence in a Turbine Vane Frame
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Topics: Flow (Dynamics), Turbines, Turbulence, Rotors, Pressure, Anisotropy
Journal Articles

Investigation of Unsteady Rotor–Stator Interaction and Deterministic Correlation Analysis in a Transonic Compressor Stage

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Yangwei Liu, Xindi Wei, Yumeng Tang
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. July 2023, 145(7): 071004.
Paper No: TURBO-22-1301
https://doi.org/10.1115/1.4056716
Published Online: February 9, 2023
View Articletitled, Investigation of Unsteady Rotor–Stator Interaction and Deterministic Correlation Analysis in a Transonic Compressor Stage
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Topics: Rotors, Stators, Compressors, Flow (Dynamics), Stress, Unsteady flow, Blades, Anisotropy
Journal Articles

Temperature Dependent Property Considerations for Biot Number Matching With Composite Materials

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Carol E. Bryant, James L. Rutledge
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. April 2023, 145(4): 041010.
Paper No: TURBO-21-1261
https://doi.org/10.1115/1.4055927
Published Online: November 7, 2022
View Articletitled, Temperature Dependent Property Considerations for Biot Number Matching With Composite Materials
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Topics: Ceramic matrix composites, Composite materials, Engines, Errors, Low temperature, Temperature, Thermal conductivity, Cooling, Anisotropy, Turbine components
Journal Articles

Machine Learning for the Development of Data-Driven Turbulence Closures in Coolant Systems

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James Hammond, Francesco Montomoli, Marco Pietropaoli, Richard D. Sandberg, Vittorio Michelassi
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. August 2022, 144(8): 081003.
Paper No: TURBO-20-1174
https://doi.org/10.1115/1.4053533
Published Online: March 3, 2022
View Articletitled, Machine Learning for the Development of Data-Driven Turbulence Closures in Coolant Systems
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Topics: Anisotropy, Design, Errors, Flow (Dynamics), Geometry, Heat transfer, Reynolds-averaged Navier–Stokes equations, Tensors, Testing, Turbulence
Journal Articles

Application of Advanced RANS Turbulence Models for the Prediction of Turbomachinery Flows

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Ernesto Casartelli, Luca Mangani, David Roos Launchbury, Armando Del Rio
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. January 2022, 144(1): 011008.
Paper No: TURBO-20-1320
https://doi.org/10.1115/1.4051938
Published Online: September 15, 2021
View Articletitled, Application of Advanced RANS Turbulence Models for the Prediction of Turbomachinery Flows
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Topics: Diffusers, Flow (Dynamics), Pressure, Turbulence, Reynolds-averaged Navier–Stokes equations, Turbomachinery, Compressors, Anisotropy
Journal Articles

Application of an Immersed Boundary Method on an Instrumented Turbine Blade With Large Eddy Simulation

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Bryn N. Ubald, Rob Watson, Jiahuan Cui, Paul Tucker, Shahrokh Shahpar
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. November 2021, 143(11): 111005.
Paper No: TURBO-20-1276
https://doi.org/10.1115/1.4051110
Published Online: June 15, 2021
View Articletitled, Application of an Immersed Boundary Method on an Instrumented Turbine Blade With Large Eddy Simulation
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Topics: Blades, Large eddy simulation, Pressure, Probes, Turbine blades, Turbulence, Flow (Dynamics), Anisotropy
Journal Articles

Effects of Axial Casing Grooves on the Structure of Turbulence in the Tip Region of an Axial Turbomachine Rotor

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Huang Chen, Yuanchao Li, Subhra Shankha Koley, Joseph Katz
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. September 2021, 143(9): 091009.
Paper No: TURBO-20-1388
https://doi.org/10.1115/1.4050605
Published Online: May 11, 2021
View Articletitled, Effects of Axial Casing Grooves on the Structure of Turbulence in the Tip Region of an Axial Turbomachine Rotor
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Topics: Flow (Dynamics), Stress, Turbulence, Corners (Structural elements), Vortices, Blades, Anisotropy, Turbomachinery, Shear (Mechanics)
Journal Articles

Applying Machine Learnt Explicit Algebraic Stress and Scalar Flux Models to a Fundamental Trailing Edge Slot

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R. D. Sandberg, R. Tan, J. Weatheritt, A. Ooi, A. Haghiri, V. Michelassi, G. Laskowski
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. October 2018, 140(10): 101008.
Paper No: TURBO-18-1202
https://doi.org/10.1115/1.4041268
Published Online: September 28, 2018
View Articletitled, Applying Machine Learnt Explicit Algebraic Stress and Scalar Flux Models to a Fundamental Trailing Edge Slot
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Topics: Anisotropy, Heat flux, Large eddy simulation, Reynolds-averaged Navier–Stokes equations, Scalars, Stress, Tensors, Turbulence, Eddies (Fluid dynamics), Algebra
Journal Articles

Measurements and Characterization of Turbulence in the Tip Region of an Axial Compressor Rotor

Free
Yuanchao Li, Huang Chen, Joseph Katz
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. December 2017, 139(12): 121003.
Paper No: TURBO-17-1103
https://doi.org/10.1115/1.4037773
Published Online: September 26, 2017
View Articletitled, Measurements and Characterization of Turbulence in the Tip Region of an Axial Compressor Rotor
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Topics: Compressors, Eddies (Fluid dynamics), Flow (Dynamics), Rotors, Shear (Mechanics), Stress, Turbulence, Viscosity, Anisotropy, Blades
Journal Articles

A Single Formulation for Uncertainty Propagation in Turbomachinery: SAMBA PC

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Richard Ahlfeld, Francesco Montomoli
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. November 2017, 139(11): 111007.
Paper No: TURBO-16-1184
https://doi.org/10.1115/1.4037362
Published Online: August 23, 2017
View Articletitled, A Single Formulation for Uncertainty Propagation in Turbomachinery: SAMBA PC
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Topics: Algorithms, Approximation, Computational fluid dynamics, Diffusers, Errors, Fittings, Gas turbines, Manufacturing, Polynomials, Simulation
Journal Articles

Uncertainty Analysis and Data-Driven Model Advances for a Jet-in-Crossflow

Free
Julia Ling, Anthony Ruiz, Guilhem Lacaze, Joseph Oefelein
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. February 2017, 139(2): 021008.
Paper No: TURBO-16-1175
https://doi.org/10.1115/1.4034556
Published Online: October 4, 2016
View Articletitled, Uncertainty Analysis and Data-Driven Model Advances for a Jet-in-Crossflow
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Topics: Anisotropy, Flow (Dynamics), Machine learning, Reynolds-averaged Navier–Stokes equations, Stress, Turbulence, Viscosity
Journal Articles

Film Cooling Modeling of Turbine Blades Using Algebraic Anisotropic Turbulence Models

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Xueying Li, Jing Ren, Hongde Jiang
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. November 2014, 136(11): 111006.
Paper No: TURBO-14-1140
https://doi.org/10.1115/1.4028174
Published Online: August 26, 2014
View Articletitled, Film Cooling Modeling of Turbine Blades Using Algebraic Anisotropic Turbulence Models
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Topics: Algebra, Anisotropy, Film cooling, Modeling, Turbulence, Flow (Dynamics)
Journal Articles

Numerical Benchmark of Nonconventional RANS Turbulence Models for Film and Effusion Cooling

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Cosimo Bianchini, Luca Andrei, Antonio Andreini, Bruno Facchini
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. July 2013, 135(4): 041026.
Paper No: TURBO-12-1176
https://doi.org/10.1115/1.4007614
Published Online: June 10, 2013
View Articletitled, Numerical Benchmark of Nonconventional RANS Turbulence Models for Film and Effusion Cooling
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Topics: Reynolds-averaged Navier–Stokes equations, Turbulence, Cooling, Modeling, Anisotropy, Flow (Dynamics)
Journal Articles

Adiabatic and Overall Effectiveness Measurements of an Effusion Cooling Array for Turbine Endwall Application

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Bruno Facchini, Lorenzo Tarchi, Lorenzo Toni, Alberto Ceccherini
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. October 2010, 132(4): 041008.
https://doi.org/10.1115/1.3213555
Published Online: April 29, 2010
View Articletitled, Adiabatic and Overall Effectiveness Measurements of an Effusion Cooling Array for Turbine Endwall Application
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Topics: Cooling, Flow (Dynamics), Mach number, Turbines, Turbulence, Temperature, Coolants, Finite element methods, Geometry, Anisotropy
Journal Articles

The Unsteady Development of a Turbulent Wake Through a Downstream Low-Pressure Turbine Blade Passage

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R. D. Stieger, H. P. Hodson
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Technical Papers
J. Turbomach. April 2005, 127(2): 388–394.
https://doi.org/10.1115/1.1811094
Published Online: May 5, 2005
View Articletitled, The Unsteady Development of a Turbulent Wake Through a Downstream Low-Pressure Turbine Blade Passage
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Topics: Blades, Cascades (Fluid dynamics), Convection, Pressure, Turbines, Turbulence, Wakes, Stress, Wake turbulence, Fluids
Journal Articles

Thermal-Mechanical Life Prediction System for Anisotropic Turbine Components

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F. J. Cunha, M. T. Dahmer, M. K. Chyu
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Technical Papers
J. Turbomach. April 2006, 128(2): 240–250.
https://doi.org/10.1115/1.2137740
Published Online: February 1, 2005
View Articletitled, Thermal-Mechanical Life Prediction System for Anisotropic Turbine Components
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Topics: Airfoils, Blades, Creep, Cycles, Fatigue, Stress, Temperature, Turbine components, Design, Transients (Dynamics)
Journal Articles

Perspectives in Modeling Film Cooling of Turbine Blades by Transcending Conventional Two-Equation Turbulence Models

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A. Azzi, D. Lakehal
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Technical Papers
J. Turbomach. July 2002, 124(3): 472–484.
https://doi.org/10.1115/1.1485294
Published Online: July 10, 2002
View Articletitled, Perspectives in Modeling Film Cooling of Turbine Blades by Transcending Conventional Two-Equation Turbulence Models
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Topics: Film cooling, Flow (Dynamics), Turbulence, Anisotropy, Modeling, Viscosity, Vortices