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Keywords: boundary layer development
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Journal Articles

ENTRY REGION HEAT TRANSFER AUGMENTATION WITH PINS, FINS, AND TURBULATORS IN CIRCULAR CHANNELS

Accepted Manuscript
Evan Lundburg, Stephen Lynch, M. Eric Lyall
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach.
Paper No: TURBO-24-1284
https://doi.org/10.1115/1.4068459
Published Online: April 16, 2025
... 04 2025 16 04 2025 Email: lundburgec@gmail.com Email: spl11@psu.edu Email: michael.lyall.3@us.af.mil Boundary layer development Heat transfer and film cooling Journal of Turbomachinery. Received August 25, 2024; Accepted manuscript posted April 16, 2025. doi:10.1115...
View Articletitled, ENTRY REGION HEAT TRANSFER AUGMENTATION WITH PINS, FINS, AND TURBULATORS IN CIRCULAR CHANNELS
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Topics: Boundary layers, Fins, Heat transfer, Pins (Engineering), Turbochargers
Journal Articles

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

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
... Institute (IGTI) of ASME for publication in the J ournal of T urbomachinery . 28 03 2024 31 03 2025 31 03 2025 09 04 2025 Email: shanrahan@student.unimelb.edu.au Email: kozulm@unimelb.edu.au Email: richard.sandberg@unimelb.edu.au Boundary layer development...
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

The Effects of Casing Profile on the Aerodynamics of Integrated Intermediate Turbine Ducts

Jiangdong Hou, Xiaozhi Duan, Ziyu Kang, Yi Yu, Chao Zhou
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. October 2025, 147(10): 101005.
Paper No: TURBO-24-1333
https://doi.org/10.1115/1.4067933
Published Online: March 11, 2025
... of the baseline IITDs with mean rise angle of 21 deg: (a) linear IITD V1C1 and (b) annular IITD V1C1A boundary layer development computational fluid dynamics (CFD) fan compressor and turbine aerodynamic design National Natural Science Foundation of China 10.13039/501100001809 52076001...
View Articletitled, The Effects of Casing Profile on the Aerodynamics of Integrated Intermediate Turbine Ducts
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Topics: Computational fluid dynamics, Flow (Dynamics), Pressure, Vortices, Suction, Boundary layers, Turbines, Ducts
Journal Articles

High-Fidelity Investigation of Vortex Shedding From a Highly Loaded Turbine Blade

Xavier Gloerfelt, Paola Cinnella
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. September 2025, 147(9): 091009.
Paper No: TURBO-24-1257
https://doi.org/10.1115/1.4067438
Published Online: February 17, 2025
... wire, T u = 0% Schlieren views for the transonic case with trip wire, Tu = 0% VKI LS59 cascade transonic vortex shedding boundary layer development computational fluid dynamics (CFD) fluid dynamics and heat transfer phenomena in compressor and turbine components of gas turbine engines...
View Articletitled, High-Fidelity Investigation of Vortex Shedding From a Highly Loaded Turbine Blade
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Topics: Blades, Boundary layers, Flow (Dynamics), Large eddy simulation, Mach number, Pressure, Simulation, Suction, Turbulence, Vortex shedding
Journal Articles

Optimal Riblets Applied to Gas Turbine Compressor Blades Studied via Direct Numerical Simulation (GT2024–122305)

Melissa Kozul, Massimiliano Nardini, Pawel J. Przytarski, William Solomon, Aamir Shabbir, Richard D. Sandberg
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. August 2025, 147(8): 081020.
Paper No: TURBO-24-1298
https://doi.org/10.1115/1.4067442
Published Online: January 30, 2025
... of magnitude smaller than the pressure force; therefore, only larger changes to boundary layer development induced by the riblets (i.e. changes in transition location and mode) are likely to result in significant changes to the blockage and therefore loss statistics. Figure 15 also shows contours...
View Articletitled, Optimal Riblets Applied to Gas Turbine Compressor Blades Studied via Direct Numerical Simulation (GT2024–122305)
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Topics: Blades, Boundary layers, Chords (Trusses), Compressors, Flow (Dynamics), Gas turbines, Geometry, Inflow, Pressure, Skin friction (Fluid dynamics)
Journal Articles

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

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
... resolution VKI LS59 cascade ORC turbine roughness boundary layer development computational fluid dynamics (CFD) fluid dynamics and heat transfer phenomena in compressor and turbine components of gas turbine engines Agence Nationale de la Recherche 10.13039/501100001665 ANR-20-CE92...
View Articletitled, Roughness Effects on Dense-Gas Turbine Flow: Comparison of Experiments and Simulations
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Topics: Blades, Flow (Dynamics), Simulation, Surface roughness, Turbines, Cascades (Fluid dynamics), Pressure, Boundary layers, Engineering simulation, Turbulence
Journal Articles

Dissipation in Skewed Boundary Layers

Robert Peacock, Masha Folk, Graham Pullan
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. July 2025, 147(7): 071007.
Paper No: TURBO-24-1203
https://doi.org/10.1115/1.4067126
Published Online: December 20, 2024
... remained unknown. Engineering and Physical Sciences Research Council 10.13039/501100000266 EP/S023003/1 Rolls-Royce 10.13039/501100000767 G103103 G105740 boundary layer development losses turbine aerodynamic design fan compressor and turbine aerodynamic design...
View Articletitled, Dissipation in Skewed Boundary Layers
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Topics: Boundary layers, Energy dissipation, Turbulence
Journal Articles

Effect of Flow Distortions on Pin Fins in the Entry Region of Circular Channels

Evan Lundburg, Stephen Lynch, M. Eric Lyall
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. March 2025, 147(3): 031015.
Paper No: TURBO-24-1195
https://doi.org/10.1115/1.4067296
Published Online: December 20, 2024
... in the U.S. Government’s contributions. 27 07 2024 15 11 2024 18 11 2024 20 12 2024 boundary layer development heat transfer Air Force Research Laboratory 10.13039/100006602 FA8650-21-2-2000 As future aircraft technology is developed, it is expected...
View Articletitled, Effect of Flow Distortions on Pin Fins in the Entry Region of Circular Channels
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Topics: Aircraft, Boundary layers, Engines, Fins, Flow (Dynamics), Heat transfer, Pins (Engineering), Pressure
Journal Articles

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

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
.../1.1505851 [2] Bons , J. P. , 2010 , “ A Review of Surface Roughness Effects in Gas Turbines ,” ASME J. Turbomach. , 132 ( 2 ), p. 021004 . 10.1115/1.3066315 [3] Bammert , K. , and Sandstede , H. , 1980 , “ Measurements of the Boundary Layer Development Along a Turbine Blade...
View Articletitled, Effects of Localized Non-Gaussian Roughness on High-Pressure Turbine Aerothermal Performance: Convective Heat Transfer, Skin Friction, and the Reynolds’ Analogy
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Topics: Drag (Fluid dynamics), Skin friction (Fluid dynamics), Surface roughness, Pressure, Heat transfer, Blades, Suction, Reynolds number
Journal Articles

Numerical and Experimental Investigation of Boundary Layer of a High-Lift Low-Pressure Turbine Cascade Under Periodic Wakes With Different Flow Coefficients

Shuang Sun, Tianrong Tan, Zhen Huang, Xiaopeng Sun, Lehan Lu, Maomao Wang
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. June 2025, 147(6): 061014.
Paper No: TURBO-24-1068
https://doi.org/10.1115/1.4067175
Published Online: December 17, 2024
.... , and Harvey , N. W. , 2002 , “ Boundary Layer Development in the BR710 and BR715 LP Turbines—The Implementation of High-Lift and Ultra-High-Lift Concepts ,” ASME J. Turbomach. , 124 ( 3 ), pp. 385 – 392 . 10.1115/1.1457455 [3] Mayle , R. E. , 1991 , “ The Role of Laminar-Turbulent...
View Articletitled, Numerical and Experimental Investigation of Boundary Layer of a High-Lift Low-Pressure Turbine Cascade Under Periodic Wakes With Different Flow Coefficients
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Topics: Boundary layers, Flow (Dynamics), Wakes, Separation (Technology), Shapes, Cascades (Fluid dynamics), Blades, Suction, Pressure, Vortices
Journal Articles

Understanding the Flow Field in a Highly Loaded Tandem Compressor Cascade

Thanh-Son Tran, Cedric Babin, Fabrizio Fontaneto, Gregory Coussement, Tom Verstraete
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. June 2025, 147(6): 061005.
Paper No: TURBO-24-1180
https://doi.org/10.1115/1.4067029
Published Online: November 22, 2024
... the diffusion taking place in the blade passage. An alternative approach consists of distributing the load over two subsequent airfoils, using a so-called tandem blade configuration to restart the boundary layer before flow separation occurs [ 3 ]. boundary layer development turbomachinery blading...
View Articletitled, Understanding the Flow Field in a Highly Loaded Tandem Compressor Cascade
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Topics: Blades, Flow (Dynamics), Design, Cascades (Fluid dynamics)
Journal Articles

Optimization of Low-Pressure Turbine Blade by Means of Fine Inspection of Loss Production Mechanisms

Matteo Russo, Andrea Carlucci, Matteo Dellacasagrande, Daniele Petronio, Davide Lengani, Daniele Simoni, Juri Bellucci, Matteo Giovannini, Angelo A. Granata, Monica Gily, Carlotta Manca
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. April 2025, 147(4): 041005.
Paper No: TURBO-24-1304
https://doi.org/10.1115/1.4066818
Published Online: October 25, 2024
..., and main contributions to stagnation pressure losses. boundary layer development computational fluid dynamics turbomachinery blading design Graphical Abstract Figure 02 09 2024 02 10 2024 02 10 2024 25 10 2024 Contributed by the International Gas Turbine...
View Articletitled, Optimization of Low-Pressure Turbine Blade by Means of Fine Inspection of Loss Production Mechanisms
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Topics: Blades, Design, Flow (Dynamics), Optimization, Pressure, Turbulence, Wakes, Boundary layers, Large eddy simulation, Suction
Journal Articles

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

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
... Corresponding author. Emails: jpl@eng.cam.ac.uk ; jpl1000@cam.ac.uk 24 07 2024 23 08 2024 23 08 2024 21 10 2024 boundary layer development measurement techniques surface roughnesss turbine blade and measurement advancements Department for Business, Innovation...
View Articletitled, Impact of the Wall-Parallel Length Scale of Roughness on the Development of Turbulent Boundary Layers in Turbines
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Topics: Surface roughness, Sands, Boundary layers
Journal Articles

Large Eddy Simulation of Laminar and Turbulent Shock/Boundary Layer Interactions in a Transonic Passage

Stephan Priebe, Daniel Wilkin II, Luke D’Aquila, Andy Breeze-Stringfellow, Giridhar Jothiprasad, Lawrence C. Cheung
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. December 2024, 146(12): 121006.
Paper No: TURBO-23-1240
https://doi.org/10.1115/1.4065716
Published Online: July 23, 2024
... 07 2024 Graphical Abstract Figure boundary layer development computational fluid dynamics (CFD) fan compressor and turbine aerodynamic design fluid dynamics and heat transfer phenomena in compressor and turbine components of gas turbine engines In transonic airfoil...
View Articletitled, Large Eddy Simulation of Laminar and Turbulent Shock/Boundary Layer Interactions in a Transonic Passage
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Topics: Boundary layers, Pressure, Shock (Mechanics), Turbulence, Flow (Dynamics)
Journal Articles

Design Optimization of a Novel Flush Boundary Layer Diverter

Umut Can Küçük, İsmail Hakkı Tuncer
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. December 2024, 146(12): 121001.
Paper No: TURBO-24-1051
https://doi.org/10.1115/1.4065700
Published Online: July 15, 2024
... by the ingestion of the boundary layer flow and strong pressure gradients in curved inlet ducts. Therefore improving the characteristics of the ingested flow is one of the main approaches for increasing the submerged inlet performance. boundary layer development computational fluid dynamics (CFD...
View Articletitled, Design Optimization of a Novel Flush Boundary Layer Diverter
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Topics: Boundary layers, Design, Ducts, Flow (Dynamics), Optimization, Pressure, Response surface methodology, Shapes
Journal Articles

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

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
... 06 2024 11 06 2024 15 07 2024 Graphical Abstract Figure boundary layer development fluid dynamics and heat transfer phenomena in turbine components of gas turbine engines turbine vane and measurement advancements TSP NGV compressibility effects Gas turbines...
View Articletitled, Boundary Layer Analysis of a Transonic High-Pressure Turbine Vane Using Ultra-Fast-Response Temperature-Sensitive Paint
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Topics: Boundary layers, Flow (Dynamics), Separation (Technology), Shock (Mechanics), Surface roughness, Temperature, Turbines, Wind tunnels, Bubbles, Nozzle guide vanes
Journal Articles

Enhancing Aerodynamic Performance of a Non-Axisymmetric Endwall Contoured Cascade Through Section Profiling Method

Zhengshuai Du, Le Cai, Jun Zeng, Yingjie Chen, Xun Zhou, Songtao Wang
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. December 2024, 146(12): 121004.
Paper No: TURBO-24-1014
https://doi.org/10.1115/1.4065859
Published Online: July 15, 2024
... Turbine Institute (IGTI) of ASME for publication in the J ournal of T urbomachinery . 25 01 2024 20 06 2024 21 06 2024 15 07 2024 Graphical Abstract Figure boundary layer development computational fluid dynamics (CFD) measurement techniques turbomachinery...
View Articletitled, Enhancing Aerodynamic Performance of a Non-Axisymmetric Endwall Contoured Cascade Through Section Profiling Method
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Topics: Blades, Cascades (Fluid dynamics), Flow (Dynamics), Pressure, Computational fluid dynamics, Optimization, Boundary layers, Design
Journal Articles

On the Secondary Flow System of an Aggressive Inter Compressor Duct

S. Fritz, T. Dygutsch, A. Kasper, A. Hergt, S. Grund, J. Flamm, M. Lejon, H. Sahota
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. October 2024, 146(10): 101005.
Paper No: TURBO-23-1229
https://doi.org/10.1115/1.4065242
Published Online: May 8, 2024
... Email: jasmin.flamm@dlr.de Email: marcus.lejon@gknaerospace.com Email: harsimar.sahota@mtu.de 11 09 2023 27 03 2024 27 03 2024 08 05 2024 Graphical Abstract Figure boundary layer development computational fluid dynamics (CFD) inter-compressor duct...
View Articletitled, On the Secondary Flow System of an Aggressive Inter Compressor Duct
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Topics: Compressors, Ducts, Flow (Dynamics), Pressure, Separation (Technology), Boundary layers, Vortices, Design, Struts (Engineering), Fluids
Journal Articles

An Open–Closed Flow Separation in a Compressor Radial Diffuser

Pierre Duquesne, Jerome Dombard, Nicolas Poujol, Alexis Giauque
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. October 2024, 146(10): 101011.
Paper No: TURBO-23-1307
https://doi.org/10.1115/1.4065413
Published Online: May 8, 2024
... by the International Gas Turbine Institute (IGTI) of ASME for publication in the J ournal of T urbomachinery . 31 10 2023 23 04 2024 23 04 2024 08 05 2024 Graphical Abstract Figure flow separation boundary layer development compressor stall surge The boundary layer...
View Articletitled, An Open–Closed Flow Separation in a Compressor Radial Diffuser
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Topics: Blades, Compressors, Diffusers, Flow separation, Pressure, Separation (Technology), Flow (Dynamics), Skin friction (Fluid dynamics)
Journal Articles

Prediction of the Influence of the Inlet End-Wall Boundary Layer on the Secondary Flow of a Low Pressure Turbine Airfoil Using RANS and Large-Eddy Simulations

Fernando Gisbert, David Cadrecha, Patxi Apoita
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. September 2024, 146(9): 091001.
Paper No: TURBO-23-1111
https://doi.org/10.1115/1.4065026
Published Online: April 4, 2024
... large-eddy simulation boundary layer low pressure turbine secondary flow Reynolds-averaged Navier–Stokes boundary layer development computational fluid dynamics (CFD) fluid dynamics and heat transfer phenomena in compressor and turbine components of gas turbine engines Ministerio de...
View Articletitled, Prediction of the Influence of the Inlet End-Wall Boundary Layer on the Secondary Flow of a Low Pressure Turbine Airfoil Using RANS and Large-Eddy Simulations
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Topics: Boundary layers, Flow (Dynamics), Pressure, Reynolds-averaged Navier–Stokes equations, Simulation, Turbulence, Large eddy simulation, Vortices, Blades, Turbines