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Journal Articles

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

Accepted Manuscript
Matteo Russo, Andrea Carlucci, Matteo Dellacasagrande, Daniele Petronio, Davide Lengani, Daniele Simoni, Juri Bellucci, Matteo Giovannini, Angelo Alberto Granata, Monica Gily, Carlotta Manca
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach.
Paper No: TURBO-24-1304
https://doi.org/10.1115/1.4066818
Published Online: October 9, 2024
View Article titled, Optimization of Low-Pressure Turbine Blade by Means of Fine Inspection of Loss Production Mechanisms
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Topics: Boundary layers, Design, Inspection, Optimization, Pressure, Turbine blades, Turbochargers, Blades, Wakes, Computational fluid dynamics
Journal Articles

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

Accepted Manuscript
S M Ananth, Massimiliano Nardini, Melissa Kozul, Nagabhushana Rao Vadlamani, Richard Sandberg
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach.
Paper No: TURBO-24-1255
https://doi.org/10.1115/1.4066815
Published Online: October 9, 2024
View Article titled, Performance of Rough-Ribbed Low-Pressure Turbine Blades Under Varying Loading and Operating Conditions
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Topics: Boundary layers, Design, Pressure, Surface roughness, Turbine blades, Turbochargers, Blades, Skin friction (Fluid dynamics), Computational fluid dynamics, Reynolds number
Journal Articles

The Matching Mechanism and Flow Mechanisms of Supersonic Through-Flow Variable-Pitch Tandem Cascade

Xiaoying Sheng, Xingen Lu, Ziliang Li, Yunfeng Wu, Hang Yuan, Chengwu Yang
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. March 2025, 147(3): 031001.
Paper No: TURBO-24-1085
https://doi.org/10.1115/1.4066507
Published Online: October 8, 2024
View Article titled, The Matching Mechanism and Flow Mechanisms of Supersonic Through-Flow Variable-Pitch Tandem Cascade
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Topics: Blades, Boundary layers, Cascades (Fluid dynamics), Flow (Dynamics), Shock (Mechanics), Wakes, Pressure, Fluids, Separation (Technology)
Journal Articles

IMPACT OF THE WALL-PARALLEL LENGTH SCALE OF ROUGHNESS ON THE DEVELOPMENT OF TURBULENT BOUNDARY LAYERS IN TURBINES

Accepted Manuscript
Abigail M. Berhane, John P. Longley
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach.
Paper No: TURBO-24-1185
https://doi.org/10.1115/1.4066579
Published Online: September 18, 2024
View Article titled, 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: Boundary layer turbulence, Surface roughness, Turbine blades, Turbines, Turbochargers, Sands, Separation (Technology), Additive manufacturing, Boundary layers, Compressors
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
View Article titled, 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
View Article titled, 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
View Article titled, 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
View Article titled, 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

Unsteady Aerodynamic Forcing Due to Distortion in a Boundary Layer Ingesting Fan

Hans Mårtensson, Mattias Billson
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. July 2024, 146(7): 071008.
Paper No: TURBO-23-1195
https://doi.org/10.1115/1.4065517
Published Online: June 3, 2024
View Article titled, Unsteady Aerodynamic Forcing Due to Distortion in a Boundary Layer Ingesting Fan
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Topics: Blades, Flow (Dynamics), Pressure, Design, Boundary layers, Waves, Acoustics
Journal Articles

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

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 Article titled, 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

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
View Article titled, 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

Numerical Investigation of the Effect of Trailing Edge Thickness of Simulated Ceramic Matrix Composite Blades on Loss Profiles

Kenji Miki, Ali Ameri
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. September 2024, 146(9): 091009.
Paper No: TURBO-22-1269
https://doi.org/10.1115/1.4065184
Published Online: April 16, 2024
View Article titled, Numerical Investigation of the Effect of Trailing Edge Thickness of Simulated Ceramic Matrix Composite Blades on Loss Profiles
Open the PDF for Numerical Investigation of the Effect of Trailing Edge Thickness of Simulated Ceramic Matrix Composite Blades on Loss Profiles in another window
Topics: Blades, Ceramic matrix composites, Pressure, Reynolds number, Reynolds-averaged Navier–Stokes equations, Turbulence, Large eddy simulation, Wakes, Flow (Dynamics), Boundary layers
Journal Articles

Endwall Contouring for Improving Aerodynamic Performance in a High-Pressure Turbine Cascade

Zhengshuai Du, Le Cai, Yingjie Chen, Songtao Wang, Hongfei Tang, Jun Zeng
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. October 2024, 146(10): 101001.
Paper No: TURBO-23-1296
https://doi.org/10.1115/1.4065260
Published Online: April 16, 2024
View Article titled, Endwall Contouring for Improving Aerodynamic Performance in a High-Pressure Turbine Cascade
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Topics: Cascades (Fluid dynamics), Flow (Dynamics), Pressure, Vortices, Turbines, Computational fluid dynamics, Blades, Boundary layers
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
View Article titled, 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
Journal Articles

Impact of Flow Unsteadiness on Turbine Airfoil Heat Transfer via Streaming

Tapish Agarwal, Ian Jacobi, Beni Cukurel
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. September 2024, 146(9): 091004.
Paper No: TURBO-23-1120
https://doi.org/10.1115/1.4065123
Published Online: April 4, 2024
View Article titled, Impact of Flow Unsteadiness on Turbine Airfoil Heat Transfer via Streaming
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Topics: Airfoils, Flow (Dynamics), Heat transfer, Skin friction (Fluid dynamics), Turbines, Pressure gradient, Fluctuations (Physics), Turbine blades, Pressure, Waves
Journal Articles

Improvements in the Prediction of Steady and Unsteady Transition and Mixing in Low-Pressure Turbines by Means of Machine-Learnt Closures

Roberto Pacciani, Michele Marconcini, Andrea Arnone, Francesco Bertini, Ennio Spano, Simone Rosa Taddei, Richard D. Sandberg
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. May 2024, 146(5): 051009.
Paper No: TURBO-23-1186
https://doi.org/10.1115/1.4064312
Published Online: January 16, 2024
View Article titled, Improvements in the Prediction of Steady and Unsteady Transition and Mixing in Low-Pressure Turbines by Means of Machine-Learnt Closures
Open the PDF for Improvements in the Prediction of Steady and Unsteady Transition and Mixing in Low-Pressure Turbines by Means of Machine-Learnt Closures in another window
Topics: Blades, Boundary layers, Cascades (Fluid dynamics), Machinery, Pressure, Reynolds number, Reynolds-averaged Navier–Stokes equations, Turbines, Turbulence, Wakes
Journal Articles

Heat Transfer Coefficient and Adiabatic Effectiveness Measurements on a Nozzle Guide Vane With a Single Row of Cylindrical Holes

S. Galeotti, T. Bacci, A. Picchi, B. Facchini, S. Cubeda
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. May 2024, 146(5): 051010.
Paper No: TURBO-23-1241
https://doi.org/10.1115/1.4064315
Published Online: January 16, 2024
View Article titled, Heat Transfer Coefficient and Adiabatic Effectiveness Measurements on a Nozzle Guide Vane With a Single Row of Cylindrical Holes
Open the PDF for Heat Transfer Coefficient and Adiabatic Effectiveness Measurements on a Nozzle Guide Vane With a Single Row of Cylindrical Holes in another window
Topics: Boundary layers, Coolants, Film cooling, Flow (Dynamics), Free stream turbulence, Heat transfer coefficients, Nozzle guide vanes, Pressure, Suction, Turbulence
Journal Articles

Experimental Investigation of Additional Loss Associated With Incoming Wakes in Low-Pressure Turbine Cascades

Hidekazu Kodama, Ken-ichi Funazaki
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. May 2024, 146(5): 051013.
Paper No: TURBO-23-1274
https://doi.org/10.1115/1.4064318
Published Online: January 16, 2024
View Article titled, Experimental Investigation of Additional Loss Associated With Incoming Wakes in Low-Pressure Turbine Cascades
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Topics: Blades, Cascades (Fluid dynamics), Flow (Dynamics), Pressure, Reynolds number, Suction, Turbines, Wakes, Unsteady flow, Boundary layers
Journal Articles

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

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

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 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
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