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Journal Articles

An Experimental Study on the Effects of Non-Uniform Vane Spacing on Forced Response Reduction in a Mistuned Rotor Blisk in a Multistage Axial Compressor

Accepted Manuscript
Yujun Leng, Jhansi Reddy Dodda, Nicole L. Key
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach.
Paper No: TURBO-24-1220
https://doi.org/10.1115/1.4066475
Published Online: September 10, 2024
View Article titled, An Experimental Study on the Effects of Non-Uniform Vane Spacing on Forced Response Reduction in a Mistuned Rotor Blisk in a Multistage Axial Compressor
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Topics: Bladed disks, Compressors, Rotors, Turbochargers, Blades, Stators, Excitation, Damping, Engines, Flow (Dynamics)
Journal Articles

An Analytical Study on the Effects of Non-Uniform Vane Spacing on Forced Response Reduction in a Mistuned Blisk Rotor in a Multistage Axial Compressor

Accepted Manuscript
Yujun Leng, Jhansi Reddy Dodda, Nicole L. Key
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach.
Paper No: TURBO-24-1219
https://doi.org/10.1115/1.4066452
Published Online: September 6, 2024
View Article titled, An Analytical Study on the Effects of Non-Uniform Vane Spacing on Forced Response Reduction in a Mistuned Blisk Rotor in a Multistage Axial Compressor
Open the PDF for An Analytical Study on the Effects of Non-Uniform Vane Spacing on Forced Response Reduction in a Mistuned Blisk Rotor in a Multistage Axial Compressor in another window
Topics: Bladed disks, Compressors, Rotors, Turbochargers, Blades, Stators, Damping, Excitation, Design, Engines
Journal Articles

Transonic Compressor Darmstadt Open Test Case: Experimental Investigation of Stator Secondary Flows and Hub Leakage

Fabian S. Klausmann, Nicklas Kilian, Xiao He, Daniel Spieker, Benedikt Schmidt, Heinz-Peter Schiffer
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. October 2024, 146(10): 101007.
Paper No: TURBO-23-1254
https://doi.org/10.1115/1.4065286
Published Online: May 8, 2024
View Article titled, Transonic Compressor Darmstadt Open Test Case: Experimental Investigation of Stator Secondary Flows and Hub Leakage
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Topics: Compressors, Flow (Dynamics), Leakage, Pressure, Rotors, Stators, Leakage flows
Journal Articles

Experimental Investigation of Mode-Frequency Scattering at Fan Stages

Maximilian Behn, Ulf Tapken
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. September 2024, 146(9): 091010.
Paper No: TURBO-23-1110
https://doi.org/10.1115/1.4065185
Published Online: April 16, 2024
View Article titled, Experimental Investigation of Mode-Frequency Scattering at Fan Stages
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Topics: Electromagnetic scattering, Loudspeakers, Radiation scattering, Rotors, Scattering (Physics), Stators
Journal Articles

Axial Compressor Transonic Rotor Shock Interaction With Upstream Stator Row

Vittorio Michelassi, Corrado Burberi, Satish Koyyalamudi, Salvatore Lorusso, Alberto Scotti Del Greco
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. September 2024, 146(9): 091011.
Paper No: TURBO-23-1320
https://doi.org/10.1115/1.4065203
Published Online: April 16, 2024
View Article titled, Axial Compressor Transonic Rotor Shock Interaction With Upstream Stator Row
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Topics: Compressors, Computational fluid dynamics, Design, Pressure, Rotors, Shock (Mechanics), Stators, Flow (Dynamics), Mach number
Journal Articles

Analysis of Ingress Into the Downstream Wheel Space of a 1.5-Stage Turbine By Full Circumference and Single Blade Passage Large-Eddy Simulations

Thomas Hösgen, Matthias Meinke, Wolfgang Schröder
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. September 2024, 146(9): 091006.
Paper No: TURBO-23-1343
https://doi.org/10.1115/1.4065129
Published Online: April 4, 2024
View Article titled, Analysis of Ingress Into the Downstream Wheel Space of a 1.5-Stage Turbine By Full Circumference and Single Blade Passage Large-Eddy Simulations
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Topics: Blades, Flow (Dynamics), Rotors, Stators, Turbines, Wheels, Large eddy simulation, Annulus, Pressure, Sealing (Process)
Journal Articles

Analyzing Unsteady Turbomachinery Flow Simulations With Mixing Entropy

Christian Frey, Benedict Geihe, Laura Junge
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. July 2024, 146(7): 071004.
Paper No: TURBO-23-1291
https://doi.org/10.1115/1.4064839
Published Online: March 18, 2024
View Article titled, Analyzing Unsteady Turbomachinery Flow Simulations With Mixing Entropy
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Topics: Blades, Entropy, Flow (Dynamics), Stators, Turbomachinery, Rotors, Acoustics, Simulation, Compressors
Journal Articles

Modeling of Combustor Non-Uniformities Evolution Through a High-Pressure Turbine Stage

Andrea Notaristefano, Paolo Gaetani
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. June 2024, 146(6): 061008.
Paper No: TURBO-23-1247
https://doi.org/10.1115/1.4064223
Published Online: January 29, 2024
View Article titled, Modeling of Combustor Non-Uniformities Evolution Through a High-Pressure Turbine Stage
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Topics: Combustion chambers, Flow (Dynamics), Modeling, Pressure, Stators, Temperature, Turbines, Rotors, Aerodynamics, Blades
Journal Articles

A New Multi-Stage Turbine Stator Design for Improved Performance Retention

Heather K. Jameson, John P. Longley
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. June 2024, 146(6): 061006.
Paper No: TURBO-23-1269
https://doi.org/10.1115/1.4064285
Published Online: January 29, 2024
View Article titled, A New Multi-Stage Turbine Stator Design for Improved Performance Retention
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Topics: Flow (Dynamics), Rotors, Stators, Vortices, Leakage flows, Leakage, Separation (Technology), Pressure, Vorticity
Journal Articles

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

Richard W. Jackson, Zhihui Li, Loizos Christodoulou, Stephen Ambrose, Carl M. Sangan, Richard Jefferson-Loveday, Gary D. Lock, James A. Scobie
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. June 2024, 146(6): 061005.
Paper No: TURBO-23-1214
https://doi.org/10.1115/1.4063876
Published Online: January 29, 2024
View Article titled, Windage Torque Reduction in Low-Pressure Turbine Cavities Part II: Experimental and Numerical Results
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Topics: Cavities, Flow (Dynamics), Pressure, Torque, Wheels, Annulus, Stators, Rotors, Flow control, Turbines
Journal Articles

A Numerical Design Space Investigation of Low-Speed Axial Compressor Stages Using Single-Row and Tandem Bladings

Philipp von Jeinsen, Jannik Eckel, Samuele Giannini, Volker Gümmer
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. June 2024, 146(6): 061012.
Paper No: TURBO-23-1162
https://doi.org/10.1115/1.4064422
Published Online: January 29, 2024
View Article titled, A Numerical Design Space Investigation of Low-Speed Axial Compressor Stages Using Single-Row and Tandem Bladings
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Topics: Blades, Design, Rotors, Compressors, Airfoils, Stators
Journal Articles

Compressor Water Extraction

Judith R. Farman, Ivor J. Day, Tony M. J. Dickens, James V. Taylor, Zahid Hussain
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. June 2024, 146(6): 061013.
Paper No: TURBO-23-1260
https://doi.org/10.1115/1.4064419
Published Online: January 29, 2024
View Article titled, Compressor Water Extraction
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Topics: Compressors, Rotors, Stators, Water, Pressure, Flow (Dynamics), Design, Engines, Computational fluid dynamics
Journal Articles

Extension and Validation of the Turbomachinery Capabilities of SU2 Open Source Computational Fluid Dynamic Code

Chuanxiang Yan, Baotong Wang, Xiao He, Fanzhou Zhao, Xuedong Zheng, Mehdi Vahdati, Xinqian Zheng
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. June 2024, 146(6): 061003.
Paper No: TURBO-23-1333
https://doi.org/10.1115/1.4064341
Published Online: January 16, 2024
View Article titled, Extension and Validation of the Turbomachinery Capabilities of SU2 Open Source Computational Fluid Dynamic Code
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Topics: Cascades (Fluid dynamics), Computational fluid dynamics, NASA, Pressure, Rotors, Simulation, Turbomachinery, Turbulence, Annulus, Blades
Journal Articles

Compressor Tip Leakage Mechanisms

James V. Taylor, Anthony M. J. Dickens, Harry Simpson
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. May 2024, 146(5): 051012.
Paper No: TURBO-23-1261
https://doi.org/10.1115/1.4064317
Published Online: January 16, 2024
View Article titled, Compressor Tip Leakage Mechanisms
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Topics: Blades, Compressors, Design, Flow (Dynamics), Leakage, Leakage flows, Pressure, Reynolds-averaged Navier–Stokes equations, Shear (Mechanics), Suction
Journal Articles

Analysis of Single-Blade Passage and Full Circumference Large-Eddy Simulations of Turbine Rim Seal Flows

Thomas Hösgen, Matthias Meinke, Wolfgang Schröder
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. April 2024, 146(4): 041002.
Paper No: TURBO-23-1239
https://doi.org/10.1115/1.4064086
Published Online: December 15, 2023
View Article titled, Analysis of Single-Blade Passage and Full Circumference Large-Eddy Simulations of Turbine Rim Seal Flows
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Topics: Blades, Flow (Dynamics), Rotors, Sealing (Process), Turbines, Wheels, Density, Large eddy simulation, Stators
Journal Articles

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

Lorenzo Pinelli, Giovanni Giannini, Michele Marconcini, Roberto Pacciani, Andrea Notaristefano, Paolo Gaetani
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. April 2024, 146(4): 041003.
Paper No: TURBO-23-1243
https://doi.org/10.1115/1.4064085
Published Online: December 15, 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: Blades, Design, Entropy, Flow (Dynamics), Fluctuations (Physics), Pressure, Rotors, Stress, Temperature, Turbines
Journal Articles

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

Xiawen Zhang, Yaping Ju, Zhen Li, Feng Liu, Chuhua Zhang
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. April 2024, 146(4): 041004.
Paper No: TURBO-23-1065
https://doi.org/10.1115/1.4064080
Published Online: December 15, 2023
View Article titled, Optimization of Three-Dimensional Blade and Variable Stators for Efficiency and Stability Enhancement of Multistage Axial Flow Compressor at Variable Speeds
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Topics: Blades, Compressors, Design, Optimization, Stability, Stators, Inlet guide vanes, Axial flow, Geometry, Data mining
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)