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Journal Articles

The Effect of Unsteady Inlet Boundary Conditions on the Aero-Thermal Behavior of High-Pressure Turbine Vanes – A Numerical Study Using Scale-Resolving Simulations

Jonathan Gründler, Knut Lehmann, Heinz-Peter Schiffer
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. January 2025, 147(1): 011002.
Paper No: TURBO-23-1201
https://doi.org/10.1115/1.4065858
Published Online: September 3, 2024
View Article titled, The Effect of Unsteady Inlet Boundary Conditions on the Aero-Thermal Behavior of High-Pressure Turbine Vanes – A Numerical Study Using Scale-Resolving Simulations
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Topics: Boundary-value problems, Simulation, Turbines, Turbulence, High pressure (Physics), Reynolds-averaged Navier–Stokes equations, Flow (Dynamics), Nozzle guide vanes, Combustion chambers
Journal Articles

Aerothermal Performance of Slashface Leakage With Double Surface Angle Under Realistic Swirling Inflow

Zhiyu Li, Kaiyuan Zhang, Zhigang Li, Jun Li
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. January 2025, 147(1): 011011.
Paper No: TURBO-24-1162
https://doi.org/10.1115/1.4066272
Published Online: September 3, 2024
View Article titled, Aerothermal Performance of Slashface Leakage With Double Surface Angle Under Realistic Swirling Inflow
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Topics: Cascades (Fluid dynamics), Coolants, Design, Film cooling, Flow (Dynamics), Heat transfer, Inflow, Leakage, Pressure, Swirling flow
Journal Articles

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

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 Article titled, 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 Lean-Burn Combustor Flow on Nozzle Guide Vane Performance

Jonas Amend, Nafiz Chowdhury, Thomas Povey
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. January 2025, 147(1): 011001.
Paper No: TURBO-23-1329
https://doi.org/10.1115/1.4065701
Published Online: August 6, 2024
View Article titled, Impact of Lean-Burn Combustor Flow on Nozzle Guide Vane Performance
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Topics: Combustion chambers, Computational fluid dynamics, Coolants, Flow (Dynamics), Nozzle guide vanes, Temperature, Turbulence, Pressure
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

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

ROUGHNESS INVESTIGATIONS ON IN-SERVICE HIGH-PRESSURE COMPRESSOR BLADES – PART II: ROUGHNESS PARAMETERIZATION AND CFD-BASED MODELLING OF ITS IMPACT ON TURBULENT FLOWS

Accepted Manuscript
Ilias Vasilopoulos, Paolo Adami, Matthias Voigt, Marcus Meyer, Ronald Mailach
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach.
Paper No: TURBO-23-1224
https://doi.org/10.1115/1.4065681
Published Online: June 6, 2024
View Article titled, ROUGHNESS INVESTIGATIONS ON IN-SERVICE HIGH-PRESSURE COMPRESSOR BLADES – PART II: ROUGHNESS PARAMETERIZATION AND CFD-BASED MODELLING OF ITS IMPACT ON TURBULENT FLOWS
Open the PDF for ROUGHNESS INVESTIGATIONS ON IN-SERVICE HIGH-PRESSURE COMPRESSOR BLADES – PART II: ROUGHNESS PARAMETERIZATION AND CFD-BASED MODELLING OF ITS IMPACT ON TURBULENT FLOWS in another window
Topics: Blades, Compressors, Computational fluid dynamics, High pressure (Physics), Modeling, Parametrization, Surface roughness, Turbochargers, Turbulence
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
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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

The Role of Turbulence Transport in Mechanical Energy Budgets

Pawel J. Przytarski, Davide Lengani, Daniele Simoni, Andrew P. S. Wheeler
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. October 2024, 146(10): 101008.
Paper No: TURBO-24-1006
https://doi.org/10.1115/1.4065287
Published Online: May 8, 2024
View Article titled, The Role of Turbulence Transport in Mechanical Energy Budgets
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Topics: Entropy, Pressure, Turbulence, Inflow, Energy dissipation, Kinetic energy
Journal Articles

On the Origin of “Rotating Instabilities”—Stability and Frequency Studies of Channel Flows

Helmut Sauer, Martin Lange
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Technical Briefs
J. Turbomach. October 2024, 146(10): 104501.
Paper No: TURBO-22-1089
https://doi.org/10.1115/1.4065158
Published Online: April 23, 2024
View Article titled, On the Origin of “Rotating Instabilities”—Stability and Frequency Studies of Channel Flows
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Topics: Channel flow, Compressors, Flow (Dynamics), Stability, Turbulence, Reynolds number, Design
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
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Topics: Blades, Ceramic matrix composites, Pressure, Reynolds number, Reynolds-averaged Navier–Stokes equations, Turbulence, Large eddy simulation, Wakes, Flow (Dynamics), 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

A Data-Driven Approach for Generalizing the Laminar Kinetic Energy Model for Separation and Bypass Transition in Low- and High-Pressure Turbines

Yuan Fang, Yaomin Zhao, Harshal D. Akolekar, Andrew S. H. Ooi, Richard D. Sandberg, Roberto Pacciani, Michele Marconcini
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. September 2024, 146(9): 091005.
Paper No: TURBO-23-1139
https://doi.org/10.1115/1.4065124
Published Online: April 4, 2024
View Article titled, A Data-Driven Approach for Generalizing the Laminar Kinetic Energy Model for Separation and Bypass Transition in Low- and High-Pressure Turbines
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Topics: Computational fluid dynamics, Kinetic energy, Pressure, Separation (Technology), Shear stress, Turbines, Turbulence, Wakes, High pressure (Physics), Flow (Dynamics)
Journal Articles

Comparison of Eddy Viscosity Models for High Turbulence Nozzle Guide Vane Flows

Jonas Amend, Thomas Povey
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. August 2024, 146(8): 081004.
Paper No: TURBO-23-1103
https://doi.org/10.1115/1.4064484
Published Online: March 12, 2024
View Article titled, Comparison of Eddy Viscosity Models for High Turbulence Nozzle Guide Vane Flows
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Topics: Flow (Dynamics), Turbulence, Wakes, Eddies (Fluid dynamics), Viscosity, Computational fluid dynamics, Nozzle guide vanes, Shear stress
Journal Articles

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

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 Article titled, 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

Measurements of Turbulence in Compressible Low-Density Flows at the Inlet of a Transonic Linear Cascade With and Without Unsteady Wakes

Giacomo Pastorino, Loris Simonassi, Gustavo Lopes, Elissavet Boufidi, Fabrizio Fontaneto, Sergio Lavagnoli
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. July 2024, 146(7): 071002.
Paper No: TURBO-23-1305
https://doi.org/10.1115/1.4064369
Published Online: February 26, 2024
View Article titled, Measurements of Turbulence in Compressible Low-Density Flows at the Inlet of a Transonic Linear Cascade With and Without Unsteady Wakes
Open the PDF for Measurements of Turbulence in Compressible Low-Density Flows at the Inlet of a Transonic Linear Cascade With and Without Unsteady Wakes in another window
Topics: Calibration, Density, Flow (Dynamics), Fluctuations (Physics), Probes, Turbulence, Wire, Wakes, Cascades (Fluid dynamics), Pressure
Journal Articles

TPIV Experimental Investigation of Film Coolant-to-Mainstream Interaction From Shaped Cooling Holes With Various Inlet Geometries

Hanlin Wang, Lesley M. Wright
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. May 2024, 146(5): 051006.
Paper No: TURBO-23-1324
https://doi.org/10.1115/1.4064261
Published Online: January 16, 2024
View Article titled, TPIV Experimental Investigation of Film Coolant-to-Mainstream Interaction From Shaped Cooling Holes With Various Inlet Geometries
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Topics: Coolants, Cooling, Film cooling, Flow (Dynamics), Imaging, Momentum, Particulate matter, Turbulence, Vortices, Vorticity
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
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Topics: Boundary layers, Coolants, Film cooling, Flow (Dynamics), Free stream turbulence, Heat transfer coefficients, Nozzle guide vanes, Pressure, Suction, Turbulence