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Journal Articles

ROBUST DESIGN OF HERRINGBONE GROOVED JOURNAL BEARINGS USING MULTI-OBJECTIVE OPTIMIZATION WITH ARTIFICIAL NEURAL NETWORKS

Accepted Manuscript
Soheyl Massoudi, Jurg Schiffmann
Journal: Journal of Turbomachinery
Article Type: Research Papers
Publisher: ASME
J. Turbomach.
Paper No: TURBO-23-1158
https://doi.org/10.1115/1.4063392
Published Online: September 11, 2023
View Article titled, ROBUST DESIGN OF HERRINGBONE GROOVED JOURNAL BEARINGS USING MULTI-OBJECTIVE OPTIMIZATION WITH ARTIFICIAL NEURAL NETWORKS
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Topics: Artificial neural networks, Design, Journal bearings, Pareto optimization, Turbochargers, Bearings, Rotors, Geometry, Manufacturing, Compressors
Journal Articles

Nonlinear Flutter Analysis of Labyrinth Seals

Roque Corral, Michele Greco, Luis Matabuena
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. July 2023, 145(7): 071007.
Paper No: TURBO-22-1326
https://doi.org/10.1115/1.4056701
Published Online: February 10, 2023
View Article titled, Nonlinear Flutter Analysis of Labyrinth Seals
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Topics: Cavities, Clearances (Engineering), Cycles, Flutter (Aerodynamics), Pressure, Stability, Vibration, Flow (Dynamics), Torsion
Journal Articles

On the Effect of Side Clearance in the Vaned Diffuser of a Centrifugal Compressor

Lee Gibson, Stephen Spence, Charles Stuart, Andre Starke, Sung In Kim
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. July 2023, 145(7): 071006.
Paper No: TURBO-22-1334
https://doi.org/10.1115/1.4056714
Published Online: February 10, 2023
View Article titled, On the Effect of Side Clearance in the Vaned Diffuser of a Centrifugal Compressor
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Topics: Clearances (Engineering), Compressors, Computational fluid dynamics, Diffusers, Flow (Dynamics), Geometry, Pressure, Surges, Stability
Journal Articles

Experimental Subsonic Flutter of a Linear Turbine Blade Cascade With Various Mode Shapes and Chordwise Torsion Axis Locations

Petr Eret, Volodymyr Tsymbalyuk
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. June 2023, 145(6): 061002.
Paper No: TURBO-21-1237
https://doi.org/10.1115/1.4056204
Published Online: December 6, 2022
View Article titled, Experimental Subsonic Flutter of a Linear Turbine Blade Cascade With Various Mode Shapes and Chordwise Torsion Axis Locations
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Topics: Blades, Cascades (Fluid dynamics), Flutter (Aerodynamics), Mode shapes, Torsion, Stability
Journal Articles

An Investigation of Non-Linear Surge Characteristic in a High-Speed Centrifugal Compressor

Yoshihiro Hayashi, Teng Cao
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. May 2023, 145(5): 051010.
Paper No: TURBO-22-1284
https://doi.org/10.1115/1.4056089
Published Online: November 25, 2022
View Article titled, An Investigation of Non-Linear Surge Characteristic in a High-Speed Centrifugal Compressor
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Topics: Compressors, Diffusers, Flow (Dynamics), Impellers, Pressure, Surges, Stability
Journal Articles

Investigation of Surge in a Transonic Centrifugal Compressor With Vaned Diffuser: Part II—Correlation With Subcomponent Characteristics

Fangyuan Lou, Herbert M. Harrison, William J. Brown, Nicole L. Key
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. May 2023, 145(5): 051004.
Paper No: TURBO-22-1147
https://doi.org/10.1115/1.4055865
Published Online: November 8, 2022
View Article titled, Investigation of Surge in a Transonic Centrifugal Compressor With Vaned Diffuser: Part II—Correlation With Subcomponent Characteristics
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Topics: Compressors, Diffusers, Flow (Dynamics), Impellers, Pressure, Stability, Surges, Mach number, Shock (Mechanics)
Journal Articles

Metamodel-Interpreted Data Mining for Stability and Efficiency Enhancement of Multistage Axial-Flow Compressors

Xiawen Zhang, Yaping Ju, Zhen Li, Feng Liu, Chuhua Zhang
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. April 2023, 145(4): 041001.
Paper No: TURBO-22-1056
https://doi.org/10.1115/1.4055766
Published Online: November 3, 2022
View Article titled, Metamodel-Interpreted Data Mining for Stability and Efficiency Enhancement of Multistage Axial-Flow Compressors
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Topics: Axial flow, Blades, Compressors, Data mining, Design, Stability, Stators, Computational fluid dynamics, Geometry
Journal Articles

Fan Stability Enhancement With Partial Casing Treatments

Matthew K. Oldfield, Alejandro Castillo Pardo, Cesare A. Hall
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. December 2022, 144(12): 121010.
Paper No: TURBO-22-1168
https://doi.org/10.1115/1.4055386
Published Online: September 19, 2022
View Article titled, Fan Stability Enhancement With Partial Casing Treatments
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Topics: Annulus, Design, Flow (Dynamics), Inflow, Pressure, Rotors, Stability, Stall inception, Compressors, Probes
Journal Articles

Extending Highly Loaded Axial Fan Operability Range Through Novel Blade Design

Diego I. Lopez, Tiziano Ghisu, Timoleon Kipouros, Shahrokh Shahpar, Mark Wilson
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. December 2022, 144(12): 121009.
Paper No: TURBO-22-1121
https://doi.org/10.1115/1.4055350
Published Online: September 19, 2022
View Article titled, Extending Highly Loaded Axial Fan Operability Range Through Novel Blade Design
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Topics: Blades, Design, Computational fluid dynamics, Flow (Dynamics), Stability, Pressure, Momentum, Leakage flows, Leakage
Journal Articles

Fan Stability With Leading Edge Damage: Blind Prediction and Validation

E. J. Gunn, T. Brandvik, M. J. Wilson, R. Maxwell
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. September 2022, 144(9): 091015.
Paper No: TURBO-22-1072
https://doi.org/10.1115/1.4054970
Published Online: August 1, 2022
View Article titled, Fan Stability With Leading Edge Damage: Blind Prediction and Validation
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Topics: Blades, Computational fluid dynamics, Damage, Flow (Dynamics), Pressure, Rotors, Simulation, Stability, Stall inception, Separation (Technology)
Journal Articles

Effective Clearance and Differential Gapping Impact on Seal Flutter Modeling and Validation

Roque Corral, Michele Greco, Almudena Vega
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. July 2022, 144(7): 071010.
Paper No: TURBO-21-1238
https://doi.org/10.1115/1.4053290
Published Online: March 2, 2022
View Article titled, Effective Clearance and Differential Gapping Impact on Seal Flutter Modeling and Validation
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Topics: Cavities, Kinetic energy, Pressure, Stability, Clearances (Engineering), Simulation, Flutter (Aerodynamics), Flow (Dynamics), Discharge coefficient, Computational fluid dynamics
Journal Articles

Comparative Study of Tip Injection in a Transonic and Subsonic Compressor

Wei Wang, Boxing Liu, Jinling Lu, Jianjun Feng, Wuli Chu, Yanhui Wu
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. June 2022, 144(6): 061009.
Paper No: TURBO-20-1153
https://doi.org/10.1115/1.4053383
Published Online: February 24, 2022
View Article titled, Comparative Study of Tip Injection in a Transonic and Subsonic Compressor
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Topics: Compressors, Stability, Ejectors, Flow (Dynamics)
Journal Articles

Suppression of Nonsynchronous Vibration Through Intentional Aerodynamic and Structural Mistuning

Sina Stapelfeldt, Christoph Brandstetter
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. February 2022, 144(2): 021008.
Paper No: TURBO-21-1144
https://doi.org/10.1115/1.4052233
Published Online: September 27, 2021
View Article titled, Suppression of Nonsynchronous Vibration Through Intentional Aerodynamic and Structural Mistuning
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Topics: Blades, Compressors, Damping, Vibration, Rotors, Stability
Journal Articles

Foam-Metal Casing Treatment on an Axial Flow Compressor: Stability Improvement and Noise Reduction

Dakun Sun, Jia Li, Xu Dong, Ruize Xu, Xiaofeng Sun
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. January 2022, 144(1): 011003.
Paper No: TURBO-20-1107
https://doi.org/10.1115/1.4051782
Published Online: September 7, 2021
View Article titled, Foam-Metal Casing Treatment on an Axial Flow Compressor: Stability Improvement and Noise Reduction
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Topics: Compressors, Metals, Pressure, Stability, Flow (Dynamics), Noise control, Blades, Noise (Sound)
Journal Articles

Experimental and Numerical Study of an Open Impeller Centrifugal Compressor Stage Utilizing Three-Dimensional (3D) Diffuser End Wall Contouring for Operating Range Extension

Daniel Hermann, Manfred Wirsum, Douglas Robinson, Philipp Jenny
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. September 2021, 143(9): 091018.
Paper No: TURBO-21-1053
https://doi.org/10.1115/1.4051045
Published Online: July 14, 2021
View Article titled, Experimental and Numerical Study of an Open Impeller Centrifugal Compressor Stage Utilizing Three-Dimensional (3D) Diffuser End Wall Contouring for Operating Range Extension
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Topics: Design, Diffusers, Flow (Dynamics), Mach number, Stability, Compressors, Impellers, Computational fluid dynamics
Journal Articles

Effects of Inlet Guide Vanes on the Performance and Stability of an Aeronautical Centrifugal Compressor

Nicolas Poujol, Isabelle Trébinjac, Pierre Duquesne
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. October 2021, 143(10): 101010.
Paper No: TURBO-21-1015
https://doi.org/10.1115/1.4050944
Published Online: May 17, 2021
View Article titled, Effects of Inlet Guide Vanes on the Performance and Stability of an Aeronautical Centrifugal Compressor
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Topics: Compressors, Flow (Dynamics), Impellers, Inlet guide vanes, Rotation, Stability, Surges, Diffusers, Pressure
Journal Articles

Aerodynamic Investigation of a Composite Low-Speed Fan for UHBR Application

Martin Rodrigues, Laurent Soulat, Benoit Paoletti, Xavier Ottavy, Christoph Brandstetter
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. October 2021, 143(10): 101004.
Paper No: TURBO-20-1413
https://doi.org/10.1115/1.4050671
Published Online: May 12, 2021
View Article titled, Aerodynamic Investigation of a Composite Low-Speed Fan for UHBR Application
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Topics: Blades, Composite materials, Design, Flow (Dynamics), Leakage, Pressure, Reynolds-averaged Navier–Stokes equations, Rotors, Simulation, Turbulence
Journal Articles

A Robust Implementation of a Reynolds Stress Model for Turbomachinery Applications in a Coupled Solver Environment

David Roos Launchbury, Luca Mangani, Ernesto Casartelli, Francesco Del Citto
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. September 2021, 143(9): 091008.
Paper No: TURBO-20-1385
https://doi.org/10.1115/1.4050604
Published Online: May 11, 2021
View Article titled, A Robust Implementation of a Reynolds Stress Model for Turbomachinery Applications in a Coupled Solver Environment
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Topics: Stress, Turbulence, Simulation, Pressure, Compressors, Stability, Wake turbulence, Turbomachinery
Journal Articles

Higher Order Conceptual Model for Labyrinth Seal Flutter

Roque Corral, Michele Greco, Almudena Vega
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. July 2021, 143(7): 071006.
Paper No: TURBO-20-1261
https://doi.org/10.1115/1.4050334
Published Online: April 9, 2021
View Article titled, Higher Order Conceptual Model for Labyrinth Seal Flutter
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Topics: Cavities, Computational fluid dynamics, Cycles, Flow (Dynamics), Flutter (Aerodynamics), Pressure, Stability, Torsion, Simulation, Vibration
Journal Articles

Nonlinear Stability Analysis of a Generic Fan With Distorted Inflow Using Passage-Spectral Method

David Romera, Roque Corral
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. June 2021, 143(6): 061001.
Paper No: TURBO-20-1296
https://doi.org/10.1115/1.4050144
Published Online: April 7, 2021
View Article titled, Nonlinear Stability Analysis of a Generic Fan With Distorted Inflow Using Passage-Spectral Method
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Topics: Stability, Pressure, Simulation, Annulus, Flow (Dynamics), Rotors, Blades