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Journal Articles

Modelling Particulate Deposition in Gas Turbines Part II: Prediction and Validation of Deposition Distributions

Open Access
Accepted Manuscript
Jack Gaskell, Nikul Vadgama, Florian Villain, Simon Beal, Matthew McGilvray, David R.H. Gillespie, Benjamin Littley
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach.
Paper No: TURBO-23-1024
https://doi.org/10.1115/1.4067884
Published Online: February 7, 2025
View Articletitled, Modelling Particulate Deposition in Gas Turbines Part II: Prediction and Validation of Deposition Distributions
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Topics: Computational fluid dynamics, Gas turbines, Modeling, Particulate matter, Turbochargers, Cooling, Discrete element methods, Blades, Damage, Design
Journal Articles

Roughness Investigations on In-Service High-Pressure Compressor Blades—Part I: An Automated Process for High-Fidelity Roughness Measurements

Available to Purchase
Ilias Vasilopoulos, Mirco Rostamian, Matthias Voigt, Marcus Meyer, Ronald Mailach
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. August 2025, 147(8): 081001.
Paper No: TURBO-24-1054
https://doi.org/10.1115/1.4067291
Published Online: January 13, 2025
View Articletitled, Roughness Investigations on In-Service High-Pressure Compressor Blades—Part I: An Automated Process for High-Fidelity Roughness Measurements
Open the PDF for Roughness Investigations on In-Service High-Pressure Compressor Blades—Part I: An Automated Process for High-Fidelity Roughness Measurements in another window
Topics: Blades, Rotors, Surface roughness, Compressors, Engines
Journal Articles

Roughness Effects on Dense-Gas Turbine Flow: Comparison of Experiments and Simulations

Available to Purchase
Xavier Gloerfelt, Leander Hake, Aurélien Bienner, Camille Matar, Paola Cinnella, Stefan aus der Wiesche
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. August 2025, 147(8): 081010.
Paper No: TURBO-24-1258
https://doi.org/10.1115/1.4067443
Published Online: January 13, 2025
View Articletitled, Roughness Effects on Dense-Gas Turbine Flow: Comparison of Experiments and Simulations
Open the PDF for Roughness Effects on Dense-Gas Turbine Flow: Comparison of Experiments and Simulations in another window
Topics: Blades, Flow (Dynamics), Simulation, Surface roughness, Turbines, Cascades (Fluid dynamics), Pressure, Boundary layers, Engineering simulation, Turbulence
Journal Articles

Roughness Investigations on In-Service High-Pressure Compressor Blades—Part II: Roughness Parameterization and Computational Fluid Dynamics-Based Modeling of Its Impact on Turbulent Flows

Available to Purchase
Ilias Vasilopoulos, Paolo Adami, Matthias Voigt, Marcus Meyer, Ronald Mailach
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. August 2025, 147(8): 081002.
Paper No: TURBO-23-1224
https://doi.org/10.1115/1.4065681
Published Online: January 13, 2025
View Articletitled, Roughness Investigations on In-Service High-Pressure Compressor Blades—Part II: Roughness Parameterization and Computational Fluid Dynamics-Based Modeling of Its Impact on Turbulent Flows
Open the PDF for Roughness Investigations on In-Service High-Pressure Compressor Blades—Part II: Roughness Parameterization and Computational Fluid Dynamics-Based Modeling of Its Impact on Turbulent Flows in another window
Topics: Surface roughness, Computational fluid dynamics, Simulation, Channel flow, Modeling, Turbulence, Reynolds-averaged Navier–Stokes equations
Journal Articles

Effects of Localized Non-Gaussian Roughness on High-Pressure Turbine Aerothermal Performance: Convective Heat Transfer, Skin Friction, and the Reynolds’ Analogy

Open Access
Thomas O. Jelly, Massimiliano Nardini, Richard D. Sandberg, Paul Vitt, Greg Sluyter
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. May 2025, 147(5): 051017.
Paper No: TURBO-24-1286
https://doi.org/10.1115/1.4067354
Published Online: December 20, 2024
View Articletitled, Effects of Localized Non-Gaussian Roughness on High-Pressure Turbine Aerothermal Performance: Convective Heat Transfer, Skin Friction, and the Reynolds’ Analogy
Open the PDF for Effects of Localized Non-Gaussian Roughness on High-Pressure Turbine Aerothermal Performance: Convective Heat Transfer, Skin Friction, and the Reynolds’ Analogy in another window
Topics: Drag (Fluid dynamics), Skin friction (Fluid dynamics), Surface roughness, Pressure, Heat transfer, Blades, Suction, Reynolds number
Journal Articles

Thermohydraulic Performance and Flow Structures of Diamond Pyramid Arrays

Available to Purchase
Thomas M. Corbett, Karen A. Thole
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. July 2025, 147(7): 071006.
Paper No: TURBO-24-1196
https://doi.org/10.1115/1.4067124
Published Online: December 10, 2024
View Articletitled, Thermohydraulic Performance and Flow Structures of Diamond Pyramid Arrays
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Topics: Diamonds, Flow (Dynamics), Friction, Heat transfer, Surface roughness, Design, Pressure, Temperature
Journal Articles

Geometric and Flow Characterization of Additively Manufactured Turbine Blades With Drilled Film Cooling Holes

Available to Purchase
Kelsey E. McCormack, Maria Rozman, Reid A. Berdanier, Karen A. Thole
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. April 2025, 147(4): 041013.
Paper No: TURBO-24-1198
https://doi.org/10.1115/1.4066561
Published Online: November 12, 2024
View Articletitled, Geometric and Flow Characterization of Additively Manufactured Turbine Blades With Drilled Film Cooling Holes
Open the PDF for Geometric and Flow Characterization of Additively Manufactured Turbine Blades With Drilled Film Cooling Holes in another window
Topics: Additive manufacturing, Blades, Cooling, Design, Electrical discharge machining, Film cooling, Flow (Dynamics), Manufacturing, Surface roughness, Turbine blades
Journal Articles

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

Open Access
S. M. Ananth, Massimiliano Nardini, Melissa Kozul, Nagabhushana Rao Vadlamani, Richard D. Sandberg
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. April 2025, 147(4): 041011.
Paper No: TURBO-24-1255
https://doi.org/10.1115/1.4066815
Published Online: October 25, 2024
View Articletitled, Performance of Rough-Ribbed Low-Pressure Turbine Blades Under Varying Loading and Operating Conditions
Open the PDF for Performance of Rough-Ribbed Low-Pressure Turbine Blades Under Varying Loading and Operating Conditions in another window
Topics: Boundary layers, Flow (Dynamics), Reynolds number, Skin friction (Fluid dynamics), Surface roughness, Turbulence, Pressure, Simulation, Blades, Statistics
Journal Articles

Impact of the Wall-Parallel Length Scale of Roughness on the Development of Turbulent Boundary Layers in Turbines

Open Access
Abigail M. Berhane, John P. Longley
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. February 2025, 147(2): 021011.
Paper No: TURBO-24-1185
https://doi.org/10.1115/1.4066579
Published Online: October 21, 2024
View Articletitled, Impact of the Wall-Parallel Length Scale of Roughness on the Development of Turbulent Boundary Layers in Turbines
Open the PDF for Impact of the Wall-Parallel Length Scale of Roughness on the Development of Turbulent Boundary Layers in Turbines in another window
Topics: Surface roughness, Sands, Boundary layers
Journal Articles

Assessment of Additive Manufactured Micro-Channel Characteristics: Impact of Hydraulic Diameter Evaluation

Available to Purchase
Tommaso Bacci, Alessio Picchi, Niccolo’ Castelli, Bruno Facchini, Francesco Morante, Luca Innocenti
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. March 2025, 147(3): 031009.
Paper No: TURBO-24-1181
https://doi.org/10.1115/1.4066700
Published Online: October 15, 2024
View Articletitled, Assessment of Additive Manufactured Micro-Channel Characteristics: Impact of Hydraulic Diameter Evaluation
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Topics: Additive manufacturing, Friction, Heat transfer, Microchannels, Surface roughness, Pressure, Shapes, Reynolds number, Cooling, Skin
Journal Articles

Impacts of Material and Machine on the Variation of Additively Manufactured Cooling Channels

Available to Purchase
Abbigail Y. Altland, Thomas M. Corbett, Karen A. Thole
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. March 2025, 147(3): 031006.
Paper No: TURBO-24-1178
https://doi.org/10.1115/1.4066580
Published Online: October 8, 2024
View Articletitled, Impacts of Material and Machine on the Variation of Additively Manufactured Cooling Channels
Open the PDF for Impacts of Material and Machine on the Variation of Additively Manufactured Cooling Channels in another window
Topics: Cooling, Heat transfer, Machinery, Surface roughness, Additive manufacturing, Friction, Diamonds, surface morphology, Design, Geometry
Journal Articles

Scaling Heat Transfer and Pressure Losses of Novel Additively Manufactured Rib Designs

Available to Purchase
Thomas M. Corbett, Karen A. Thole
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. March 2025, 147(3): 031007.
Paper No: TURBO-24-1197
https://doi.org/10.1115/1.4066581
Published Online: October 8, 2024
View Articletitled, Scaling Heat Transfer and Pressure Losses of Novel Additively Manufactured Rib Designs
Open the PDF for Scaling Heat Transfer and Pressure Losses of Novel Additively Manufactured Rib Designs in another window
Topics: Design, Flow (Dynamics), Friction, Heat transfer, Pressure, Reynolds number, Surface roughness, Additive manufacturing
Journal Articles

Boundary Layer Analysis of a Transonic High-Pressure Turbine Vane Using Ultra-Fast-Response Temperature-Sensitive Paint

Available to Purchase
Anna Petersen, Michael Hilfer
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. September 2024, 146(9): 091013.
Paper No: TURBO-23-1124
https://doi.org/10.1115/1.4065739
Published Online: July 15, 2024
View Articletitled, Boundary Layer Analysis of a Transonic High-Pressure Turbine Vane Using Ultra-Fast-Response Temperature-Sensitive Paint
Open the PDF for Boundary Layer Analysis of a Transonic High-Pressure Turbine Vane Using Ultra-Fast-Response Temperature-Sensitive Paint in another window
Topics: Boundary layers, Flow (Dynamics), Separation (Technology), Shock (Mechanics), Surface roughness, Temperature, Turbines, Wind tunnels, Bubbles, Nozzle guide vanes
Journal Articles

Film Cooling Performances Under Various Upstream Roughness Conditions: Experimental Investigations and Similarity Hypothesis

Available to Purchase
Weichen Huang, Kechen Wang, Fei Zeng, Wenbin Chen, Wenwu Zhou, Xin Wen, Di Peng, Yingzheng Liu
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. November 2024, 146(11): 111009.
Paper No: TURBO-23-1335
https://doi.org/10.1115/1.4065682
Published Online: June 18, 2024
View Articletitled, Film Cooling Performances Under Various Upstream Roughness Conditions: Experimental Investigations and Similarity Hypothesis
Open the PDF for Film Cooling Performances Under Various Upstream Roughness Conditions: Experimental Investigations and Similarity Hypothesis in another window
Topics: Cooling, Film cooling, Surface roughness, Turbines
Journal Articles

Impact of Low Freestream Turbulence and Surface Roughness on the Flat-Plate Boundary Layer Transition Under a High-Lift Airfoil Pressure Gradient

Available to Purchase
Heechan Jeong, Seung Jin Song
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. November 2024, 146(11): 111003.
Paper No: TURBO-23-1272
https://doi.org/10.1115/1.4065494
Published Online: May 23, 2024
View Articletitled, Impact of Low Freestream Turbulence and Surface Roughness on the Flat-Plate Boundary Layer Transition Under a High-Lift Airfoil Pressure Gradient
Open the PDF for Impact of Low Freestream Turbulence and Surface Roughness on the Flat-Plate Boundary Layer Transition Under a High-Lift Airfoil Pressure Gradient in another window
Topics: Boundary layers, Free stream turbulence, Surface roughness, Turbulence, Flat plates, Pressure gradient, Airfoils
Journal Articles

Impacts of Superalloys on the Surface Quality of Additively Manufactured Channels

Free
Thomas M. Corbett, Karen A. Thole, Daniel Ryan, Sudhakar Bollapragada
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. August 2024, 146(8): 081003.
Paper No: TURBO-23-1213
https://doi.org/10.1115/1.4064468
Published Online: March 11, 2024
View Articletitled, Impacts of Superalloys on the Surface Quality of Additively Manufactured Channels
Open the PDF for Impacts of Superalloys on the Surface Quality of Additively Manufactured Channels in another window
Topics: Additive manufacturing, Alloys, Cooling, Design, Flow (Dynamics), Friction, Heat transfer, Lasers, Nickel alloys, Pressure
Journal Articles

Roughness Related to Cooling Performance of Channels Made Through Additive Manufacturing

Available to Purchase
Alexander J. Wildgoose, Karen A. Thole, Erika Tuneskog, Lieke Wang
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. May 2024, 146(5): 051008.
Paper No: TURBO-23-1279
https://doi.org/10.1115/1.4064310
Published Online: January 16, 2024
View Articletitled, Roughness Related to Cooling Performance of Channels Made Through Additive Manufacturing
Open the PDF for Roughness Related to Cooling Performance of Channels Made Through Additive Manufacturing in another window
Topics: Friction, Heat transfer, Pressure, Surface roughness, Cooling, Additive manufacturing
Journal Articles

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

Available to Purchase
S. M. Ananth, Massimiliano Nardini, Aditya Vaid, Melissa Kozul, Nagabhushana Rao Vadlamani, Richard D. Sandberg
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. March 2024, 146(3): 031012.
Paper No: TURBO-23-1250
https://doi.org/10.1115/1.4064087
Published Online: December 14, 2023
View Articletitled, Effects of Riblet Dimensions on the Transitional Boundary Layers Over High-Lift Turbine Blades
Open the PDF for Effects of Riblet Dimensions on the Transitional Boundary Layers Over High-Lift Turbine Blades in another window
Topics: Blades, Boundary layers, Dimensions, Flow (Dynamics), Surface roughness, Turbulence, Turbine blades, Skin friction (Fluid dynamics), Simulation, Pressure gradient
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

Free
Massimiliano Nardini, Thomas O. Jelly, Melissa Kozul, Richard D. Sandberg, Paul Vitt, Greg Sluyter
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. March 2024, 146(3): 031009.
Paper No: TURBO-23-1225
https://doi.org/10.1115/1.4063974
Published Online: December 4, 2023
View Articletitled, 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
Open the PDF for 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 in another window
Topics: Blades, Boundary layers, Surface roughness, Turbulence, Computer simulation, Turbine blades, High pressure (Physics), Flow (Dynamics), Heat flux, Wakes
Journal Articles

Direct Numerical Simulation of Transitional and Turbulent Flows Over Multi-Scale Surface Roughness—Part I: Methodology and Challenges

Free
Massimiliano Nardini, Melissa Kozul, Thomas O. Jelly, Richard D. Sandberg
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. March 2024, 146(3): 031008.
Paper No: TURBO-23-1172
https://doi.org/10.1115/1.4063753
Published Online: December 4, 2023
View Articletitled, Direct Numerical Simulation of Transitional and Turbulent Flows Over Multi-Scale Surface Roughness—Part I: Methodology and Challenges
Open the PDF for Direct Numerical Simulation of Transitional and Turbulent Flows Over Multi-Scale Surface Roughness—Part I: Methodology and Challenges in another window
Topics: Blades, Flow (Dynamics), Surface roughness, Turbulence, Computer simulation