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Journal Articles

Noise Source Identification for the Unsteady Low-Pressure Turbine Flow Fields

Lanyi Yan, Daniele Simoni, Yigang Luan, Tao Sun, Dario Barsi, Pietro Zunino
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. May 2025, 147(5): 051007.
Paper No: TURBO-24-1127
https://doi.org/10.1115/1.4066917
Published Online: November 12, 2024
View Article titled, Noise Source Identification for the Unsteady Low-Pressure Turbine Flow Fields
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Topics: Flow (Dynamics), Noise (Sound), Pressure, Rotors, Stators, Turbines, Turbulence, Principal component analysis, Blades
Journal Articles

The Unsteady Shock-Boundary Layer Interaction in a Compressor Cascade - Part 2: High-Fidelity Simulation

Accepted Manuscript
Bjoern F. Klose, Christian Morsbach, Michael Bergmann, Edwin Joseph Munoz Lopez, Alexander Hergt, Edmund Kuegeler
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach.
Paper No: TURBO-24-1138
https://doi.org/10.1115/1.4067097
Published Online: November 7, 2024
View Article titled, The Unsteady Shock-Boundary Layer Interaction in a Compressor Cascade - Part 2: High-Fidelity Simulation
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Topics: Cascades (Fluid dynamics), Compressors, Design, Shock (Mechanics), Simulation, Turbochargers, Boundary layers, Computational fluid dynamics, Flow (Dynamics), Resolution (Optics)
Journal Articles

Improved Spatiotemporal Distributions of Sweeping Jet Film Cooling With a Shaped Exit Design

Kechen Wang, Wenwu Zhou, Xin Wen, Di Peng, Yingzheng Liu
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. March 2024, 146(3): 031011.
Paper No: TURBO-23-1045
https://doi.org/10.1115/1.4064078
Published Online: December 14, 2023
View Article titled, Improved Spatiotemporal Distributions of Sweeping Jet Film Cooling With a Shaped Exit Design
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Topics: Coolants, Cooling, Design, Film cooling, Flow (Dynamics), Oscillations, Pressure, Spatiotemporal phenomena, Geometry, Principal component analysis
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

Correlated Pressure–Velocity Instability in a Transonic High-Pressure Turbine Blade

Matteo Dellacasagrande, Davide Lengani, Ettore Bertolini, Wolfgang Sanz
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. April 2023, 145(4): 041015.
Paper No: TURBO-22-1281
https://doi.org/10.1115/1.4055971
Published Online: November 7, 2022
View Article titled, Correlated Pressure–Velocity Instability in a Transonic High-Pressure Turbine Blade
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Topics: Boundary layers, Pressure, Fluctuations (Physics), Blades, Flow (Dynamics), Large eddy simulation, Suction, Turbulence, Principal component analysis
Journal Articles

Investigation on the Contribution of Large-Scale Fluctuation and Small-Scale Disturbance of Coolant to Heat Transfer Enhancement in a Rectangular Channel With Pin Fins

Jingtian Duan, Ke Zhang, Jin Xu, Jiang Lei, Junmei Wu
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. July 2022, 144(7): 071014.
Paper No: TURBO-21-1233
https://doi.org/10.1115/1.4054446
Published Online: May 27, 2022
View Article titled, Investigation on the Contribution of Large-Scale Fluctuation and Small-Scale Disturbance of Coolant to Heat Transfer Enhancement in a Rectangular Channel With Pin Fins
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Topics: Fins, Flow (Dynamics), Heat transfer, Statistics, Turbulence, Pins (Engineering), Shear (Mechanics), Reynolds number, Fluctuations (Physics), Principal component analysis
Journal Articles

Low Rank Education of Cascade Loss Sensitivity to Unsteady Parameters by Proper Orthogonal Decomposition

D. Lengani, D. Simoni, V. Yepmo, M. Ubaldi, P. Zunino, F. Bertini
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. November 2021, 143(11): 111012.
Paper No: TURBO-20-1423
https://doi.org/10.1115/1.4051273
Published Online: June 23, 2021
View Article titled, Low Rank Education of Cascade Loss Sensitivity to Unsteady Parameters by Proper Orthogonal Decomposition
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Topics: Cascades (Fluid dynamics), Design, Education, Flow (Dynamics), Pressure, Principal component analysis, Reynolds number, Eigenvalues, Wakes, Blades
Journal Articles

Recognition of Structures Leading to Transition in a Low-Pressure Turbine Cascade: Effect of Reduced Frequency

D. Lengani, D. Simoni, M. Ubaldi, P. Zunino, F. Bertini
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. June 2020, 142(6): 061007.
Paper No: TURBO-19-1189
https://doi.org/10.1115/1.4046618
Published Online: May 28, 2020
View Article titled, Recognition of Structures Leading to Transition in a Low-Pressure Turbine Cascade: Effect of Reduced Frequency
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Topics: Blades, Boundary layers, Cascades (Fluid dynamics), Flow (Dynamics), Turbulence, Wakes, Pressure, Suction, Turbines, Fluctuations (Physics)
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

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

A Particle Image Velocimetry-Based Investigation of the Flow Field in an Oblique Jet Impingement Configuration

Sebastian Schulz, Simon Schueren, Jens von Wolfersdorf
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. May 2014, 136(5): 051009.
Paper No: TURBO-13-1121
https://doi.org/10.1115/1.4025212
Published Online: September 27, 2013
View Article titled, A Particle Image Velocimetry-Based Investigation of the Flow Field in an Oblique Jet Impingement Configuration
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Topics: Flow (Dynamics), Jets, Particulate matter, Pressure, Turbulence, Geometry, Principal component analysis, Pressure measurement
Journal Articles

Study of Unforced and Modulated Film-Cooling Jets Using Proper Orthogonal Decomposition—Part I: Unforced Jets

Guillaume Bidan, Clementine Vézier, Dimitris E. Nikitopoulos
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. March 2013, 135(2): 021037.
Paper No: TURBO-11-1220
https://doi.org/10.1115/1.4006599
Published Online: November 8, 2012
View Article titled, Study of Unforced and Modulated Film-Cooling Jets Using Proper Orthogonal Decomposition—Part I: Unforced Jets
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Topics: Cross-flow, Film cooling, Flow (Dynamics), Jets, Principal component analysis, Shear (Mechanics), Temperature, Visualization, Vortices, Electromagnetic scattering
Journal Articles

Study of Unforced and Modulated Film-Cooling Jets Using Proper Orthogonal Decomposition—Part II: Forced Jets

Guillaume Bidan, Clementine Vézier, Dimitris E. Nikitopoulos
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. March 2013, 135(2): 021038.
Paper No: TURBO-11-1221
https://doi.org/10.1115/1.4006600
Published Online: November 1, 2012
View Article titled, Study of Unforced and Modulated Film-Cooling Jets Using Proper Orthogonal Decomposition—Part II: Forced Jets
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Topics: Cycles, Film cooling, Flow (Dynamics), Principal component analysis, Temperature, Jets, Vortices, Cross-flow, Transients (Dynamics)
Journal Articles

Vibratory Parameters of Blades From Coordinate Measurement Machine Data

Alok Sinha, Benjamin Hall, Brice Cassenti, Gary Hilbert
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. January 2008, 130(1): 011013.
https://doi.org/10.1115/1.2749293
Published Online: January 25, 2008
View Article titled, Vibratory Parameters of Blades From Coordinate Measurement Machine Data
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Topics: Blades, Coordinate measuring machines, Machinery, Rotors, Principal component analysis