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Journal Articles

Investigating the Unsteady Dynamics of a Multi-Jet Impingement Cooling Flow Using Large Eddy Simulation

Christian Morsbach, Marcel Matha, Robin G. Brakmann, Sadiya Tabassum, Michael Bergmann, Michael Schroll, Christian Willert, Edmund Kügeler
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. March 2025, 147(3): 031002.
Paper No: TURBO-24-1139
https://doi.org/10.1115/1.4066508
Published Online: October 8, 2024
View Article titled, Investigating the Unsteady Dynamics of a Multi-Jet Impingement Cooling Flow Using Large Eddy Simulation
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Topics: Cross-flow, Dynamics (Mechanics), Flow (Dynamics), Inflow, Jets, Large eddy simulation, Temperature, Turbulence, Impingement cooling, Heat transfer
Journal Articles

The Effect of Upstream Unsteadiness on the Unstarting of a Supersonic Inlet Turbine

Noraiz Mushtaq, Paolo Gaetani
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. April 2024, 146(4): 041005.
Paper No: TURBO-23-1248
https://doi.org/10.1115/1.4064135
Published Online: December 15, 2023
View Article titled, The Effect of Upstream Unsteadiness on the Unstarting of a Supersonic Inlet Turbine
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Topics: Mach number, Shock (Mechanics), Shock waves, Simulation, Turbines, Flow (Dynamics), Dynamics (Mechanics), Computational fluid dynamics, Waves, Blades
Journal Articles

Modeling the Unsteady Dynamics of a Turbine Research Facility

John P. Longley
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. December 2023, 145(12): 121001.
Paper No: TURBO-20-1034
https://doi.org/10.1115/1.4048021
Published Online: October 9, 2023
View Article titled, Modeling the Unsteady Dynamics of a Turbine Research Facility
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Topics: Control systems, Dynamics (Mechanics), Flow (Dynamics), Turbines, Honeycomb structures, Simulation
Journal Articles

Morphing of Reversible Axial Fan Blade: A FSI-FEM Study

Valerio F. Barnabei, Alessio Castorrini, Alessandro Corsini, Franco Rispoli
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. September 2022, 144(9): 091013.
Paper No: TURBO-21-1212
https://doi.org/10.1115/1.4053634
Published Online: March 16, 2022
View Article titled, Morphing of Reversible Axial Fan Blade: A FSI-FEM Study
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Topics: Blades, Fluid structure interaction, Simulation, Flow (Dynamics), Displacement, Dynamics (Mechanics), Design, Computer software
Journal Articles

Flutter in Started and Unstarted Transonic Linear Cascades: Simultaneous Measurements of Unsteady Loads and Shock Dynamics

Prahallada Jutur, Raghuraman N. Govardhan
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. December 2019, 141(12): 121004.
Paper No: TURBO-19-1085
https://doi.org/10.1115/1.4045105
Published Online: November 8, 2019
View Article titled, Flutter in Started and Unstarted Transonic Linear Cascades: Simultaneous Measurements of Unsteady Loads and Shock Dynamics
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Topics: Blades, Cascades (Fluid dynamics), Flutter (Aerodynamics), Shock (Mechanics), Excitation, Dynamics (Mechanics), Oscillations, Stress, Pressure, Suction
Journal Articles

New Insight Into Aspect Ratio's Effect on Secondary Losses of Turbine Blades

Luis Teia
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. November 2019, 141(11): 111004.
Paper No: TURBO-18-1229
https://doi.org/10.1115/1.4044079
Published Online: October 10, 2019
View Article titled, New Insight Into Aspect Ratio's Effect on Secondary Losses of Turbine Blades
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Topics: Blades, Boundary layers, Flow (Dynamics), Turbine blades, Turbines, Vortices, Topology, Dynamics (Mechanics), Design
Journal Articles

Special Issue on the 17th ISROMAC Conference

Kenneth C. Hall, Olivier Coutier-Delgosha
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Editorial
J. Turbomach. February 2019, 141(2): 020201.
Paper No: TURBO-19-1013
https://doi.org/10.1115/1.4042566
Published Online: January 31, 2019
View Article titled, Special Issue on the 17th ISROMAC Conference
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Topics: Aerodynamics, Aeroelasticity, Turbomachinery, Machinery, Aerodynamic noise, Dynamics (Mechanics), Flow (Dynamics), Heat transfer, Leakage, Mechanical engineers
Journal Articles

On the Identification and Decomposition of the Unsteady Losses in a Turbine Cascade

D. Lengani, D. Simoni, R. Pichler, R. D. Sandberg, V. Michelassi, F. Bertini
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. March 2019, 141(3): 031005.
Paper No: TURBO-18-1252
https://doi.org/10.1115/1.4042164
Published Online: January 16, 2019
View Article titled, On the Identification and Decomposition of the Unsteady Losses in a Turbine Cascade
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Topics: Blades, Boundary layers, Cascades (Fluid dynamics), Flow (Dynamics), Pressure, Suction, Turbines, Turbulence, Wakes, Dynamics (Mechanics)
Journal Articles

Dynamics of Coherent Structures and Random Turbulence in Pressure Side Film Cooling on a First Stage Turbine Vane

S. Ravelli, G. Barigozzi
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. January 2019, 141(1): 011003.
Paper No: TURBO-18-1172
https://doi.org/10.1115/1.4041602
Published Online: October 17, 2018
View Article titled, Dynamics of Coherent Structures and Random Turbulence in Pressure Side Film Cooling on a First Stage Turbine Vane
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Topics: Coolants, Cooling, Film cooling, Flow (Dynamics), Pressure, Simulation, Turbulence, Vortices, Turbines, Dynamics (Mechanics)
Journal Articles

Experimental Investigation on the Time–Space Evolution of a Laminar Separation Bubble by Proper Orthogonal Decomposition and Dynamic Mode Decomposition

D. Lengani, D. Simoni, M. Ubaldi, P. Zunino, F. Bertini
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. March 2017, 139(3): 031006.
Paper No: TURBO-16-1225
https://doi.org/10.1115/1.4034917
Published Online: November 16, 2016
View Article titled, Experimental Investigation on the Time–Space Evolution of a Laminar Separation Bubble by Proper Orthogonal Decomposition and Dynamic Mode Decomposition
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Topics: Bubbles, Dynamics (Mechanics), Eigenvalues, Flow (Dynamics), Fluctuations (Physics), Principal component analysis, Separation (Technology), Shear (Mechanics), Wavelength, Boundary layers
Journal Articles

Volume Dynamics Propulsion System Modeling for Supersonics Vehicle Research

George Kopasakis, Joseph W. Connolly, Daniel E. Paxson, Peter Ma
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. October 2010, 132(4): 041003.
https://doi.org/10.1115/1.3192148
Published Online: April 26, 2010
View Article titled, Volume Dynamics Propulsion System Modeling for Supersonics Vehicle Research
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Topics: Compressors, Dynamics (Mechanics), Engines, Pressure, Turbines, Vehicles, Modeling, Combustion chambers, Propulsion systems, Thrust
Journal Articles

Tailored Structural Design and Aeromechanical Control of Axial Compressor Stall—Part I: Development of Models and Metrics

O. G. McGee, M. B. Graf, L. G. Fre´chette
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Technical Papers
J. Turbomach. January 2004, 126(1): 52–62.
https://doi.org/10.1115/1.1644555
Published Online: March 26, 2004
View Article titled, Tailored Structural Design and Aeromechanical Control of Axial Compressor Stall—Part I: Development of Models and Metrics
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Topics: Compression, Compressors, Control equipment, Feedback, Flow (Dynamics), Pressure, Stability, Dynamics (Mechanics), Modeling, Damping
Journal Articles

Backward Traveling Rotating Stall Waves in Centrifugal Compressors

Z. S. Spakovszky
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Technical Papers
J. Turbomach. January 2004, 126(1): 1–12.
https://doi.org/10.1115/1.1643382
Published Online: March 26, 2004
View Article titled, Backward Traveling Rotating Stall Waves in Centrifugal Compressors
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Topics: Compressors, Design, Diffusers, Flow (Dynamics), Impellers, Rotors, Stability, Surges, Waves, Blades
Journal Articles

Tailored Structural Design and Aeromechanical Control of Axial Compressor Stall—Part II: Evaluation of Approaches

L. G. Fre´chette, O. G. McGee, M. B. Graf
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Technical Papers
J. Turbomach. January 2004, 126(1): 63–72.
https://doi.org/10.1115/1.1644556
Published Online: March 26, 2004
View Article titled, Tailored Structural Design and Aeromechanical Control of Axial Compressor Stall—Part II: Evaluation of Approaches
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Topics: Compressors, Damping, Feedback, Flow (Dynamics), Dynamics (Mechanics), Pressure, Fluids, Control equipment, Blades
Journal Articles

Large Eddy Simulation of Film Cooling Flow From an Inclined Cylindrical Jet

Mayank Tyagi, Research Associate, Sumanta Acharya, Professor
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Technical Papers
J. Turbomach. October 2003, 125(4): 734–742.
https://doi.org/10.1115/1.1625397
Published Online: December 1, 2003
View Article titled, Large Eddy Simulation of Film Cooling Flow From an Inclined Cylindrical Jet
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Topics: Coolants, Cooling, Dynamics (Mechanics), Film cooling, Flow (Dynamics), Heat transfer, Large eddy simulation, Vortices, Wakes, Turbulence
Journal Articles

Investigation of Pre-stall Mode and Pip Inception in High-Speed Compressors Through the Use of Correlation Integral

Michelle M. Bright, Helen K. Qammar, Leizhen Wang
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. October 1999, 121(4): 743–750.
https://doi.org/10.1115/1.2836728
Published Online: October 1, 1999
View Article titled, Investigation of Pre-stall Mode and Pip Inception in High-Speed Compressors Through the Use of Correlation Integral
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Topics: Compressors, Dynamics (Mechanics), Flow (Dynamics), Pressure, Algorithms, Filtration, Stall inception, Acoustics, Blades, Machinery
Journal Articles

Rotating Stall Control in a High-Speed Stage With Inlet Distortion: Part I—Radial Distortion

Z. S. Spakovszky, H. J. Weigl, J. D. Paduano, C. M. van Schalkwyk, K. L. Suder, M. M. Bright
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. July 1999, 121(3): 510–516.
https://doi.org/10.1115/1.2841345
Published Online: July 1, 1999
View Article titled, Rotating Stall Control in a High-Speed Stage With Inlet Distortion: Part I—Radial Distortion
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Topics: Axial flow, Compressors, Control equipment, Dynamics (Mechanics), Ejectors, Feedback, Flow (Dynamics), NASA, Rotors, Testing
Journal Articles

Dynamics of Large-Scale Structures for Jets in a Crossflow

F. Muldoon, S. Acharya
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. July 1999, 121(3): 577–587.
https://doi.org/10.1115/1.2841355
Published Online: July 1, 1999
View Article titled, Dynamics of Large-Scale Structures for Jets in a Crossflow
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Topics: Dynamics (Mechanics), Jets, Vortices, Shear (Mechanics), Compressibility, Computation, Computer software, Velocity measurement, Wake turbulence, Wakes
Journal Articles

Mechanisms of Turbulence Transport in a Turbine Blade Coolant Passage With a Rib Turbulator

P. K. Panigrahi, S. Acharya
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. January 1999, 121(1): 152–159.
https://doi.org/10.1115/1.2841224
Published Online: January 1, 1999
View Article titled, Mechanisms of Turbulence Transport in a Turbine Blade Coolant Passage With a Rib Turbulator
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Topics: Coolants, Turbine blades, Turbulence, Flow (Dynamics), Stress, Boundary layer turbulence, Dynamics (Mechanics), Shear (Mechanics), Shear stress, Accounting
Journal Articles

1997 Best Paper Award—Controls and Diagnostics Committee: Active Stabilization of Rotating Stall and Surge in a Transonic Single-Stage Axial Compressor

H. J. Weigl, J. D. Paduano, L. G. Fre´chette, A. H. Epstein, E. M. Greitzer, M. M. Bright, A. J. Strazisar
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. October 1998, 120(4): 625–636.
https://doi.org/10.1115/1.2841772
Published Online: October 1, 1998
View Article titled, 1997 Best Paper Award—Controls and Diagnostics Committee: Active Stabilization of Rotating Stall and Surge in a Transonic Single-Stage Axial Compressor
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Topics: Compressors, Surges, Design, Rotors, Dynamics (Mechanics), Feedback, Flow (Dynamics), Mach number, Stall inception, Control equipment