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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

Impact of Trailing Edge Overhang Length on the Loss Characteristics of Fully Cooled Transonic Nozzle Guide Vanes

Daniel Burdett, Thomas Povey
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. May 2023, 145(5): 051012.
Paper No: TURBO-21-1060
https://doi.org/10.1115/1.4056056
Published Online: December 6, 2022
View Article titled, Impact of Trailing Edge Overhang Length on the Loss Characteristics of Fully Cooled Transonic Nozzle Guide Vanes
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Topics: Boundary layers, Computational fluid dynamics, Flow (Dynamics), Geometry, Pressure, Vortex shedding, Wakes, Coolants, Design, Nozzle guide vanes
Journal Articles

Instabilities Everywhere! Hard Problems in Aero-Engines

Zoltán S. Spakovszky
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. February 2023, 145(2): 021011.
Paper No: TURBO-21-1198
https://doi.org/10.1115/1.4055424
Published Online: October 14, 2022
View Article titled, Instabilities Everywhere! Hard Problems in Aero-Engines
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Topics: Aircraft engines, Damping, Engines, Whirls, Compressors, Bearings, Rotors, Flow (Dynamics), Flutter (Aerodynamics)
Journal Articles

Experimental and Numerical Analysis of Loss Characteristics of Cooled Transonic Nozzle Guide Vanes

Daniel Burdett, Thomas Povey
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. May 2022, 144(5): 051009.
Paper No: TURBO-21-1040
https://doi.org/10.1115/1.4053019
Published Online: January 13, 2022
View Article titled, Experimental and Numerical Analysis of Loss Characteristics of Cooled Transonic Nozzle Guide Vanes
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Topics: Computational fluid dynamics, Coolants, Flow (Dynamics), Kinetic energy, Mach number, Pressure, Reynolds-averaged Navier–Stokes equations, Wakes, Nozzle guide vanes, Simulation
Journal Articles

A Simplified Method for Predicting the Stability of Aerodynamically Excited Turbomachinery

Albert F. Storace
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. October 2007, 129(4): 724–729.
https://doi.org/10.1115/1.2720870
Published Online: August 29, 2006
View Article titled, A Simplified Method for Predicting the Stability of Aerodynamically Excited Turbomachinery
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Topics: Damping, Rotors, Stability, Stiffness, Whirls, Turbomachinery, Dampers, Blades, Gas turbines, Stators
Journal Articles

Analysis of Aerodynamically Induced Whirling Forces in Axial Flow Compressors

Z. S. Spakovszky
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Technical Papers
J. Turbomach. October 2000, 122(4): 761–768.
https://doi.org/10.1115/1.1312801
Published Online: February 1, 2000
View Article titled, Analysis of Aerodynamically Induced Whirling Forces in Axial Flow Compressors
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Topics: Blades, Clearances (Engineering), Compressors, Flow (Dynamics), Pressure, Rotors, Whirls, Axial flow
Journal Articles

Viscous-Flow Two-Dimensional Analysis Including Secondary Flow Effects

Reinhard Mo¨nig, Frank Mildner, Ralf Ro¨per
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Technical Papers
J. Turbomach. July 2001, 123(3): 558–567.
https://doi.org/10.1115/1.1370167
Published Online: February 1, 2000
View Article titled, Viscous-Flow Two-Dimensional Analysis Including Secondary Flow Effects
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Topics: Compressors, Flow (Dynamics), Stators, Pressure, Rotors, Boundary layers, Whirls
Journal Articles

Tip Clearance Actuation With Magnetic Bearings for High-Speed Compressor Stall Control

Z. S. Spakovszky, J. D. Paduano, R. Larsonneur, A. Traxler, M. M. Bright
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Technical Papers
J. Turbomach. July 2001, 123(3): 464–472.
https://doi.org/10.1115/1.1370163
Published Online: February 1, 2000
View Article titled, Tip Clearance Actuation With Magnetic Bearings for High-Speed Compressor Stall Control
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Topics: Actuators, Clearances (Engineering), Compressors, Design, Magnetic bearings, Servomechanisms, Rotors, Whirls
Journal Articles

Unsteady Flow and Whirl-Inducing Forces in Axial-Flow Compressors: Part I—Experiment

A. F. Storace, D. C. Wisler, H.-W. Shin, B. F. Beacher, F. F. Ehrich, Z. S. Spakovszky, M. Martinez-Sanchez, S. J. Song
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Technical Papers
J. Turbomach. July 2001, 123(3): 433–445.
https://doi.org/10.1115/1.1378299
Published Online: February 1, 2000
View Article titled, Unsteady Flow and Whirl-Inducing Forces in Axial-Flow Compressors: Part I—Experiment
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Topics: Clearances (Engineering), Compressors, Rotors, Whirls, Airfoils, Stators, Blades, Pressure
Journal Articles

Unsteady Flow and Whirl-Inducing Forces in Axial-Flow Compressors: Part II—Analysis

F. F. Ehrich, Z. S. Spakovszky, M. Martinez-Sanchez, S. J. Song, D. C. Wisler, A. F. Storace, H.-W. Shin, B. F. Beacher
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Technical Papers
J. Turbomach. July 2001, 123(3): 446–452.
https://doi.org/10.1115/1.1370165
Published Online: February 1, 2000
View Article titled, Unsteady Flow and Whirl-Inducing Forces in Axial-Flow Compressors: Part II—Analysis
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Topics: Clearances (Engineering), Compressors, Pressure, Rotors, Whirls, Blades, Stators
Journal Articles

Swirl Brake Effect on the Rotordynamic Stability of a Shrouded Impeller

E. A. Baskharone
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. January 1999, 121(1): 127–133.
https://doi.org/10.1115/1.2841221
Published Online: January 1, 1999
View Article titled, Swirl Brake Effect on the Rotordynamic Stability of a Shrouded Impeller
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Topics: Brakes, Impellers, Stability, Design, Fluids, Leakage, Leakage flows, Numerical analysis, Pressure, Pumps
Journal Articles

Investigation of Hydrodynamic Forces on Rotating and Whirling Centrifugal Pump Impellers

R. Fongang, J. Colding-Jo̸rgensen, R. Nordmann
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. January 1998, 120(1): 179–185.
https://doi.org/10.1115/1.2841379
Published Online: January 1, 1998
View Article titled, Investigation of Hydrodynamic Forces on Rotating and Whirling Centrifugal Pump Impellers
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Topics: Centrifugal pumps, Fluid-dynamic forces, Impellers, Whirls, Fluids, Rotors, Vortices, Flow (Dynamics), Pumps
Journal Articles

Rotordynamic Forces Due to Turbine Tip Leakage: Part II—Radius Scale Effects and Experimental Verification

S. J. Song, M. Martinez-Sanchez
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. October 1997, 119(4): 704–713.
https://doi.org/10.1115/1.2841180
Published Online: October 1, 1997
View Article titled, Rotordynamic Forces Due to Turbine Tip Leakage: Part II—Radius Scale Effects and Experimental Verification
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Topics: Leakage, Turbines, Rotors, Flow (Dynamics), Clearances (Engineering), Spin (Aerodynamics), Spinning (Textile), Whirls, Actuators, Blades
Journal Articles

Dynamic Forces From Single Gland Labyrinth Seals: Part I—Ideal and Viscous Decomposition

K. T. Millsaps, M. Martinez-Sanchez
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. October 1994, 116(4): 686–693.
https://doi.org/10.1115/1.2929461
Published Online: October 1, 1994
View Article titled, Dynamic Forces From Single Gland Labyrinth Seals: Part I—Ideal and Viscous Decomposition
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Topics: Aerodynamics, Algebra, Damping, Fluid-dynamic forces, Friction, Inviscid flow, Kinetic energy, Lumped parameter models, Spin (Aerodynamics), Spinning (Textile)
Journal Articles

Secondary Flow and Loss Distribution in a Radial Compressor With Untwisted Backswept Vanes

G. Sipos
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. October 1991, 113(4): 686–695.
https://doi.org/10.1115/1.2929135
Published Online: October 1, 1991
View Article titled, Secondary Flow and Loss Distribution in a Radial Compressor With Untwisted Backswept Vanes
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Topics: Compressors, Flow (Dynamics), Impellers, Blades, Separation (Technology), Vortices, Suction, Wakes, Whirls, Diffusers