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Journal Articles

The Application of Fluidic Sealing in Shrouded Gas Turbine Blades

Filip Wasilczuk, Paweł Flaszyński, Piotr Doerffer, Krzysztof Marugi, Tomasz Borzęcki
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Design Innovation Paper
J. Turbomach. January 2024, 146(1): 015001.
Paper No: TURBO-23-1021
https://doi.org/10.1115/1.4064045
Published Online: November 30, 2023
View Article titled, The Application of Fluidic Sealing in Shrouded Gas Turbine Blades
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Topics: Blades, Flow (Dynamics), Sealing (Process), Simulation, Turbines, Leakage flows, Leakage, Gas turbines, Turbulence, Pressure
Journal Articles

Optimization of Three-Dimensional Blade and Variable Stators for Efficiency and Stability Enhancement of Multi-stage Axial Flow Compressor at Variable Speeds

Accepted Manuscript
Xiawen Zhang, Yaping Ju, Zhen Li, Feng Liu, Chuhua Zhang
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach.
Paper No: TURBO-23-1065
https://doi.org/10.1115/1.4064080
Published Online: November 17, 2023
View Article titled, Optimization of Three-Dimensional Blade and Variable Stators for Efficiency and Stability Enhancement of Multi-stage Axial Flow Compressor at Variable Speeds
Open the PDF for Optimization of Three-Dimensional Blade and Variable Stators for Efficiency and Stability Enhancement of Multi-stage Axial Flow Compressor at Variable Speeds in another window
Topics: Axial flow, Blades, Compressors, Design, Optimization, Stability, Stators, Turbochargers, Inlet guide vanes, Geometry
Journal Articles

Experimental Investigation of the Effect of Bleed on the Aerodynamics of a Low-Pressure Compressor Stage in a Turbofan Engine

Accepted Manuscript
Apostolos Spanellis, Paul Denman, Ian Mariah, A Duncan Walker
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach.
Paper No: TURBO-23-1181
https://doi.org/10.1115/1.4064084
Published Online: November 17, 2023
View Article titled, Experimental Investigation of the Effect of Bleed on the Aerodynamics of a Low-Pressure Compressor Stage in a Turbofan Engine
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Topics: Aerodynamics, Compressors, Design, Engines, Pressure, Turbochargers, Turbofans
Journal Articles

The Impact of the Off-Design Conditions on the Entropy Wave Interaction With a High-Pressure Turbine Stage

Accepted Manuscript
Lorenzo Pinelli, Giovanni Giannini, Michele Marconcini, Roberto Pacciani, Andrea Notaristefano, Paolo Gaetani
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach.
Paper No: TURBO-23-1243
https://doi.org/10.1115/1.4064085
Published Online: November 17, 2023
View Article titled, The Impact of the Off-Design Conditions on the Entropy Wave Interaction With a High-Pressure Turbine Stage
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Topics: Design, Entropy, High pressure (Physics), Turbines, Turbochargers, Waves, Emissions, Noise (Sound), Rotors, Combustion chambers
Journal Articles

ADAPTATION OF VKI'S ISENTROPIC COMPRESSION TUBE FACILITY FOR HIGH-SPEED LOW-PRESSURE TURBINES TESTING

Accepted Manuscript
Antonino Federico Torre, Filippo Merli, Lorenzo Da Valle, Marios Patinios, Sergio Lavagnoli, Ludovic Pintat
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach.
Paper No: TURBO-23-1167
https://doi.org/10.1115/1.4064067
Published Online: November 16, 2023
View Article titled, ADAPTATION OF VKI'S ISENTROPIC COMPRESSION TUBE FACILITY FOR HIGH-SPEED LOW-PRESSURE TURBINES TESTING
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Topics: Cavities, Compression, Pressure, Testing, Turbines, Turbochargers, Design, Flow (Dynamics), Probes, Rotors
Journal Articles

Unsteady Flow Structure of Corner Separation in a Highly Loaded Compressor Cascade

Weibo Zhong, Yangwei Liu, Yumeng Tang
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. March 2024, 146(3): 031003.
Paper No: TURBO-23-1220
https://doi.org/10.1115/1.4063926
Published Online: November 16, 2023
View Article titled, Unsteady Flow Structure of Corner Separation in a Highly Loaded Compressor Cascade
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Topics: Cascades (Fluid dynamics), Compressors, Corners (Structural elements), Flow (Dynamics), Pressure, Separation (Technology), Unsteady flow, Vortices, Blades, Delay differential equations
Journal Articles

Understanding the Effect of Three-Dimensional Design in Tandem Blade

Amit Kumar, Akshay Kumar, Hitesh Chhugani, Shubhali More, A. M. Pradeep
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. March 2024, 146(3): 031002.
Paper No: TURBO-23-1222
https://doi.org/10.1115/1.4063924
Published Online: November 16, 2023
View Article titled, Understanding the Effect of Three-Dimensional Design in Tandem Blade
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Topics: Blades, Design, Pressure, Rotors, Vortices, Flow (Dynamics)
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

Experimental Investigations on the Effects of Surface Roughness for Compressor Cascades With Different Roughness Magnitude and Location

Xianjun Yu, Shouyang Zhao, Guangfeng An, Yuhang Xu, Xiaobin Xu
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. March 2024, 146(3): 031007.
Paper No: TURBO-22-1111
https://doi.org/10.1115/1.4063973
Published Online: November 16, 2023
View Article titled, Experimental Investigations on the Effects of Surface Roughness for Compressor Cascades With Different Roughness Magnitude and Location
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Topics: Blades, Flow (Dynamics), Pressure, Surface roughness, Compressors, Cascades (Fluid dynamics), Suction, Boundary layers
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
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Topics: Blades, Flow (Dynamics), Pressure, Wakes, Boundary layers, Turbulence, Suction, Reynolds number, Inflow, Generators
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
Open the PDF for 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 in another window
Topics: Cascades (Fluid dynamics), Flow (Dynamics), Mortar, Pressure, Simulation, Turbulence, Vortices, Large eddy simulation, Wakes, Computational fluid dynamics
Journal Articles

Time-Averaged Aerodynamics of a High-Speed Low-Pressure Turbine Cascade With Cavity Purge and Unsteady Wakes

G. Lopes, L. Simonassi, S. Lavagnoli
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. February 2024, 146(2): 021008.
Paper No: TURBO-23-1150
https://doi.org/10.1115/1.4063878
Published Online: November 13, 2023
View Article titled, Time-Averaged Aerodynamics of a High-Speed Low-Pressure Turbine Cascade With Cavity Purge and Unsteady Wakes
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Topics: Cascades (Fluid dynamics), Cavities, Flow (Dynamics), Pressure, Blades
Journal Articles

Computational Aeroacoustics for a Cold, Non-Ideally Expanded Aerospike Nozzle

Thomas Golliard, Mihai Mihaescu
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. February 2024, 146(2): 021003.
Paper No: TURBO-23-1152
https://doi.org/10.1115/1.4063877
Published Online: November 8, 2023
View Article titled, Computational Aeroacoustics for a Cold, Non-Ideally Expanded Aerospike Nozzle
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Topics: Acoustics, Flow (Dynamics), Noise (Sound), Nozzles, Shear (Mechanics), Shock (Mechanics), Pressure, Aerodynamic noise, Oscillations, Waves
Journal Articles

On the Use of Pressure-Sensitive Paint to Determine the Rim Sealing Effectiveness

L. Orsini, A. Picchi, B. Facchini, A. Bonini, L. Innocenti
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. February 2024, 146(2): 021001.
Paper No: TURBO-23-1187
https://doi.org/10.1115/1.4063754
Published Online: October 31, 2023
View Article titled, On the Use of Pressure-Sensitive Paint to Determine the Rim Sealing Effectiveness
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Topics: Cavities, Flow (Dynamics), Paints, Pressure, Rotors, Sealing (Process), Stators, Wheels
Journal Articles

Impact of the Purge Flow Density Ratio on the Rim Sealing Effectiveness in Hot Gas Ingestion Measurements

L. Orsini, A. Picchi, B. Facchini, A. Bonini, L. Innocenti
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. February 2024, 146(2): 021002.
Paper No: TURBO-23-1188
https://doi.org/10.1115/1.4063755
Published Online: October 31, 2023
View Article titled, Impact of the Purge Flow Density Ratio on the Rim Sealing Effectiveness in Hot Gas Ingestion Measurements
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Topics: Carbon dioxide, Cavities, Density, Flow (Dynamics), Pressure, Rotors, Sealing (Process), Stators, Disks, Annulus
Journal Articles

Computational Fluid Dynamics Simulations of the Unsteady-State Flow Through a 1.5-Stage High-Work Turbine

Thorsten Hansen, Erik Munktell, Georg Scheuerer, Qingyuan Zhuang, Kim Zwiener
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. January 2024, 146(1): 011005.
Paper No: TURBO-23-1168
https://doi.org/10.1115/1.4063516
Published Online: October 25, 2023
View Article titled, Computational Fluid Dynamics Simulations of the Unsteady-State Flow Through a 1.5-Stage High-Work Turbine
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Topics: Engineering simulation, Pressure, Rotors, Simulation, Stators, Steady state, Turbines, Flow (Dynamics)
Journal Articles

Validation of Filtered Rayleigh Scattering Optical Rake Measurement Techniques in Turbomachinery Applications and Boundary Layers

Sean W. Powers, Gwibo Byun, K. Todd Lowe
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. January 2024, 146(1): 011006.
Paper No: TURBO-23-1196
https://doi.org/10.1115/1.4063562
Published Online: October 25, 2023
View Article titled, Validation of Filtered Rayleigh Scattering Optical Rake Measurement Techniques in Turbomachinery Applications and Boundary Layers
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Topics: Boundary layers, Probes, Rayleigh scattering, Turbomachinery, Uncertainty, Temperature, Simulation, Lasers, Pressure, Resolution (Optics)
Journal Articles

Windage Torque Reduction in Low-Pressure Turbine Cavities Part 2: Experimental and Numerical Results

Accepted Manuscript
Richard Jackson, Zhihui Li, Loizos Christodoulou, Stephen Ambrose, Carl Sangan, Richard J Jefferson-Loveday, Gary D Lock, James Scobie
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach.
Paper No: TURBO-23-1214
https://doi.org/10.1115/1.4063876
Published Online: October 24, 2023
View Article titled, Windage Torque Reduction in Low-Pressure Turbine Cavities Part 2: Experimental and Numerical Results
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Topics: Cavities, Pressure, Torque, Turbines, Turbochargers
Journal Articles

Methodology and Validation of Surge Modeling in a Three-Shaft Compression System

Fanzhou Zhao, Jose Moreno, John Dodds, Mehdi Vahdati
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. December 2023, 145(12): 121006.
Paper No: TURBO-22-1024
https://doi.org/10.1115/1.4063506
Published Online: October 19, 2023
View Article titled, Methodology and Validation of Surge Modeling in a Three-Shaft Compression System
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Topics: Flow (Dynamics), Surges, Compressors, Pressure, Compression, Computational fluid dynamics
Journal Articles

Attenuation of Detrimental Hub Leakage Effects in an Axial Compressor Rotor by Customized Geometrical Design Features

Jannik Petermann, Kevin Schulz, Bernd Becker, Volker Gümmer
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. December 2023, 145(12): 121007.
Paper No: TURBO-23-1154
https://doi.org/10.1115/1.4063508
Published Online: October 19, 2023
View Article titled, Attenuation of Detrimental Hub Leakage Effects in an Axial Compressor Rotor by Customized Geometrical Design Features
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Topics: Compressors, Design, Flow (Dynamics), Geometry, Leakage, Pressure, Rotors, Disks, Blades, Cavities