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Journal Articles

ASSESSMENT OF THE DDES- γ MODEL FOR THE SIMULATION OF A HIGHLY LOADED TURBINE CASCADE

Accepted Manuscript
Nima Fard Afshar, Felix M. Möller, Stefan Henninger, Dragan Kozulovic, Christian Morsbach, Patrick Bechlars, Peter Jeschke
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach.
Paper No: TURBO-23-1219
https://doi.org/10.1115/1.4064079
Published Online: November 17, 2023
View Article titled, ASSESSMENT OF THE DDES- γ MODEL FOR THE SIMULATION OF A HIGHLY LOADED TURBINE CASCADE
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Topics: Cascades (Fluid dynamics), Delay differential equations, Design, Simulation, Turbine blades, Turbines, Turbochargers, Flow (Dynamics), Computational fluid dynamics, Pressure
Journal Articles

Aerodynamic and Thermal Field Development of Cooled Transonic HP NGV

Jonas Amend, Roderick Lubbock, Francesco Ornano, Nafiz Chowdhury, Thomas Povey
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. February 2024, 146(2): 021010.
Paper No: TURBO-23-1048
https://doi.org/10.1115/1.4063879
Published Online: November 16, 2023
View Article titled, Aerodynamic and Thermal Field Development of Cooled Transonic HP NGV
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Topics: Computational fluid dynamics, Flow (Dynamics), Kinetic energy, Nozzle guide vanes, Pressure, Wakes, Whirls, Temperature, Turbulence
Journal Articles

A Numerical Test Rig for Turbomachinery Flows Based on Large Eddy Simulations With a High-Order Discontinuous Galerkin Scheme—Part I: Sliding Interfaces and Unsteady Row Interactions

Michael Bergmann, Christian Morsbach, Bjoern F. Klose, Graham Ashcroft, Edmund Kügeler
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. February 2024, 146(2): 021005.
Paper No: TURBO-23-1166
https://doi.org/10.1115/1.4063734
Published Online: November 13, 2023
View Article titled, A Numerical Test Rig for Turbomachinery Flows Based on Large Eddy Simulations With a High-Order Discontinuous Galerkin Scheme—Part I: Sliding Interfaces and Unsteady Row Interactions
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Topics: Cascades (Fluid dynamics), Flow (Dynamics), Mortar, Pressure, Simulation, Turbulence, Vortices, Large eddy simulation, Wakes, Computational fluid dynamics
Journal Articles

A Numerical Test Rig for Turbomachinery Flows Based on Large Eddy Simulations With a High-Order Discontinuous Galerkin Scheme—Part III: Secondary Flow Effects

Christian Morsbach, Michael Bergmann, Adem Tosun, Bjoern F. Klose, Patrick Bechlars, Edmund Kügeler
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. February 2024, 146(2): 021007.
Paper No: TURBO-23-1165
https://doi.org/10.1115/1.4063511
Published Online: November 13, 2023
View Article titled, A Numerical Test Rig for Turbomachinery Flows Based on Large Eddy Simulations With a High-Order Discontinuous Galerkin Scheme—Part III: Secondary Flow Effects
Open the PDF for A Numerical Test Rig for Turbomachinery Flows Based on Large Eddy Simulations With a High-Order Discontinuous Galerkin Scheme—Part III: Secondary Flow Effects in another window
Topics: Blades, Flow (Dynamics), Pressure, Wakes, Boundary layers, Turbulence, Suction, Reynolds number, Inflow, Generators
Journal Articles

The Application of Fluidic Sealing in Shrouded Gas Turbine Blades

Accepted Manuscript
Filip Wasilczuk, Pawel Flaszynski, Piotr Doerffer, Krzysztof Marugi, Tomasz Borzecki
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Design Innovation Paper
J. Turbomach.
Paper No: TURBO-23-1021
https://doi.org/10.1115/1.4064045
Published Online: November 10, 2023
View Article titled, The Application of Fluidic Sealing in Shrouded Gas Turbine Blades
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Topics: Blades, Gas turbines, Leakage flows, Sealing (Process), Turbochargers, Flow (Dynamics), Computational fluid dynamics, Turbulence, Anisotropy, Cavities
Journal Articles

Direct Numerical Simulation of transitional and turbulent flows over multi-scale surface roughness - Part II: the effect of roughness on the performance of a high-pressure turbine blade

Accepted Manuscript
Massimiliano Nardini, Thomas Jelly, Melissa Kozul, Richard Sandberg, Paul Vitt, Greg Sluyter
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach.
Paper No: TURBO-23-1225
https://doi.org/10.1115/1.4063974
Published Online: November 2, 2023
View Article titled, Direct Numerical Simulation of transitional and turbulent flows over multi-scale surface roughness - Part II: the effect of roughness on the performance of a high-pressure turbine blade
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Topics: Computer simulation, High pressure (Physics), Surface roughness, Turbine blades, Turbochargers, Turbulence, Blades, Flow (Dynamics), Computational fluid dynamics, Engines
Journal Articles

Direct Numerical Simulation of a High-Pressure Turbine Stage: Unsteady Boundary Layer Transition and the Resulting Flow Structures

Taiyang Wang, Yaomin Zhao, John Leggett, Richard D. Sandberg
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. December 2023, 145(12): 121009.
Paper No: TURBO-23-1160
https://doi.org/10.1115/1.4063510
Published Online: October 19, 2023
View Article titled, Direct Numerical Simulation of a High-Pressure Turbine Stage: Unsteady Boundary Layer Transition and the Resulting Flow Structures
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Topics: Boundary layers, Flow (Dynamics), Turbulence, Wakes, Suction, Blades, Rotors, Turbines
Journal Articles

Mass-Heat Coupling in Film Cooling Experiments—The Influence of Temperature and Turbulence on the Dufour Effect

Connor J. Wiese, James L. Rutledge
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. December 2023, 145(12): 121003.
Paper No: TURBO-23-1142
https://doi.org/10.1115/1.4063411
Published Online: October 19, 2023
View Article titled, Mass-Heat Coupling in Film Cooling Experiments—The Influence of Temperature and Turbulence on the Dufour Effect
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Topics: Coolants, Film cooling, Free stream turbulence, Helium, Separation (Technology), Temperature, Cooling, Gases, Turbulence, Momentum
Journal Articles

Direct Numerical Simulation of transitional and turbulent flows over multi-scale surface roughness - Part I: methodology and challenges

Accepted Manuscript
Massimiliano Nardini, Melissa Kozul, Thomas Jelly, Richard Sandberg
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach.
Paper No: TURBO-23-1172
https://doi.org/10.1115/1.4063753
Published Online: October 12, 2023
View Article titled, Direct Numerical Simulation of transitional and turbulent flows over multi-scale surface roughness - Part I: methodology and challenges
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Topics: Computer simulation, Surface roughness, Turbines, Turbochargers, Turbulence, Blades, Computational fluid dynamics, Geometry, High pressure (Physics), Simulation
Journal Articles

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
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. November 2023, 145(11): 111005.
Paper No: TURBO-23-1148
https://doi.org/10.1115/1.4063298
Published Online: September 14, 2023
View Article titled, High-Fidelity Computational Assessment of Aero-Thermal Performance and the Reynolds’ Analogy for Additively Manufactured Anisotropic Surface Roughness
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Topics: Surface roughness, Turbulence, Heat transfer, Additive manufacturing
Journal Articles

Using Data Assimilation to Improve Turbulence Modeling for Inclined Jets in Crossflow

Xu Zhang, Kechen Wang, Wenwu Zhou, Chuangxin He, Yingzheng Liu
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. October 2023, 145(10): 101008.
Paper No: TURBO-22-1275
https://doi.org/10.1115/1.4063047
Published Online: August 16, 2023
View Article titled, Using Data Assimilation to Improve Turbulence Modeling for Inclined Jets in Crossflow
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Topics: Cylinders, Flow (Dynamics), Flow separation, Modeling, Reynolds-averaged Navier–Stokes equations, Simulation, Turbulence, Computational fluid dynamics, Kalman filters, Viscosity
Journal Articles

Effects of Ribbed Surfaces on Profile Losses of Low-Pressure Turbine Blades

M. Dellacasagrande, D. Lengani, D. Simoni, M. Ubaldi, F. Bertini
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. October 2023, 145(10): 101009.
Paper No: TURBO-22-1292
https://doi.org/10.1115/1.4063049
Published Online: August 16, 2023
View Article titled, Effects of Ribbed Surfaces on Profile Losses of Low-Pressure Turbine Blades
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Topics: Blades, Boundary layers, Cascades (Fluid dynamics), Flat plates, Geometry, Pressure, Reynolds number, Suction, Turbines, Turbulence
Journal Articles

On the Over-Prediction of Centrifugal Compressor Pressure Ratio in the High Impeller Tip Mach Number Regime

Bing Qiao, Xiao He, Mehdi Vahdati, Yaping Ju, Chuhua Zhang
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Technical Briefs
J. Turbomach. October 2023, 145(10): 104502.
Paper No: TURBO-23-1043
https://doi.org/10.1115/1.4063099
Published Online: August 16, 2023
View Article titled, On the Over-Prediction of Centrifugal Compressor Pressure Ratio in the High Impeller Tip Mach Number Regime
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Topics: Cavities, Compressors, Flow (Dynamics), Impellers, Mach number, Pressure, Turbulence, Design, NASA, Boundary-value problems
Journal Articles

Excitation of a Separated Flow by a Series of Protuberances Near the Leading Edge of a Model Aerofoil

Pradeep Singh, S. Sarkar
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. November 2023, 145(11): 111001.
Paper No: TURBO-23-1047
https://doi.org/10.1115/1.4063048
Published Online: August 16, 2023
View Article titled, Excitation of a Separated Flow by a Series of Protuberances Near the Leading Edge of a Model Aerofoil
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Topics: Airfoils, Bubbles, Excitation, Flow (Dynamics), Separation (Technology), Shear (Mechanics), Turbulence, Fluctuations (Physics), Boundary layers
Journal Articles

An Insight into Quasi-Two-Dimensional Flow Features Over Turbine Blading From the Works of Jonathan Paul Gostelow

Aldo Rona, David S. Adebayo, Jonathan Paul Gostelow
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Review Articles
J. Turbomach. September 2023, 145(9): 090801.
Paper No: TURBO-22-1290
https://doi.org/10.1115/1.4062552
Published Online: June 9, 2023
View Article titled, An Insight into Quasi-Two-Dimensional Flow Features Over Turbine Blading From the Works of Jonathan Paul Gostelow
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Topics: Blades, Boundary layers, Flow (Dynamics), Separation (Technology), Turbomachinery, Turbulence, Vortex shedding, Pressure, Vorticity, Shock (Mechanics)
Journal Articles

Roughness-Resolved Large-Eddy Simulation of Additive Manufacturing-Like Channel Flows

Serge Meynet, Alexis Barge, Vincent Moureau, Guillaume Balarac, Ghislain Lartigue, Abdellah Hadjadj
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. August 2023, 145(8): 081013.
Paper No: TURBO-22-1265
https://doi.org/10.1115/1.4062245
Published Online: May 22, 2023
View Article titled, Roughness-Resolved Large-Eddy Simulation of Additive Manufacturing-Like Channel Flows
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Topics: Surface roughness, Reynolds number, Turbulence, Large eddy simulation, Temperature, Heat transfer
Journal Articles

Validation of Broadband Noise Prediction Methodology Based on Linearized Navier–Stokes Analyses

Ricardo Blázquez-Navarro, Roque Corral
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. September 2023, 145(9): 091002.
Paper No: TURBO-22-1309
https://doi.org/10.1115/1.4062398
Published Online: May 22, 2023
View Article titled, Validation of Broadband Noise Prediction Methodology Based on Linearized Navier–Stokes Analyses
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Topics: Noise (Sound), Reynolds-averaged Navier–Stokes equations, Turbulence, Wakes, Simulation, Spectra (Spectroscopy)
Journal Articles

Assessment of a Conjugate Heat Transfer Method on an Effusion Cooled Combustor Operated With a Swirl Stabilized Partially Premixed Flame

A. Amerini, S. Paccati, L. Mazzei, A. Andreini
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. August 2023, 145(8): 081007.
Paper No: TURBO-22-1257
https://doi.org/10.1115/1.4056983
Published Online: April 6, 2023
View Article titled, Assessment of a Conjugate Heat Transfer Method on an Effusion Cooled Combustor Operated With a Swirl Stabilized Partially Premixed Flame
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Topics: Combustion chambers, Cooling, Flames, Heat transfer, Simulation, Temperature, Turbulence, Modeling, Wall temperature, Computational fluid dynamics
Journal Articles

Importance of Nonequilibrium Modeling for Compressors

Robert Spencer, Pawel Przytarski, Paolo Adami, Patrick Grothe, Andrew Wheeler
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. April 2023, 145(4): 041017.
Paper No: TURBO-22-1001
https://doi.org/10.1115/1.4054813
Published Online: March 2, 2023
View Article titled, Importance of Nonequilibrium Modeling for Compressors
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Topics: Blades, Boundary layers, Cascades (Fluid dynamics), Compressors, Equilibrium (Physics), Modeling, Reynolds-averaged Navier–Stokes equations, Shapes, Simulation, Suction
Journal Articles

Assessment of Computational Fluid Dynamic Modeling of Multi-Jet Impingement Cooling and Validation With the Experiments

Sadiya Tabassum, Michael Hilfer, Robin G. Brakmann, Christian Morsbach, Christian Willert, Marcel Matha, Michael Schroll
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. July 2023, 145(7): 071005.
Paper No: TURBO-22-1332
https://doi.org/10.1115/1.4056715
Published Online: February 10, 2023
View Article titled, Assessment of Computational Fluid Dynamic Modeling of Multi-Jet Impingement Cooling and Validation With the Experiments
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Topics: Computational fluid dynamics, Engineering simulation, Flow (Dynamics), Heat transfer, Impingement cooling, Jets, Modeling, Reynolds-averaged Navier–Stokes equations, Simulation, Turbulence