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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
Article Type: Research Papers
J. Turbomach. April 2023, 145(4): 041015.
Paper No: TURBO-22-1281
DOI: 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

Vortex Unsteadiness in the Endwall Region of a High-Lift Low-Pressure Turbine Passage

Christopher R. Marks, Nathan Fletcher, Rolf Sondergaard
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. January 2023, 145(1): 011012.
Paper No: TURBO-22-1167
DOI: https://doi.org/10.1115/1.4055444
Published Online: October 7, 2022
View Article titled, Vortex Unsteadiness in the Endwall Region of a High-Lift Low-Pressure Turbine Passage
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Topics: Flow (Dynamics), Vortices, Pressure, Turbines, Fluctuations (Physics)
Journal Articles

High-Fidelity Simulation Study of the Unsteady Flow Effects on High-Pressure Turbine Blade Performance

John Leggett, Yaomin Zhao, Richard D. Sandberg
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. January 2023, 145(1): 011002.
Paper No: TURBO-22-1215
DOI: https://doi.org/10.1115/1.4055576
Published Online: October 3, 2022
View Article titled, High-Fidelity Simulation Study of the Unsteady Flow Effects on High-Pressure Turbine Blade Performance
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Topics: Blades, Boundary layers, Flow (Dynamics), Pressure, Rotors, Stators, Suction, Turbulence, Wakes, High pressure (Physics)
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
Article Type: Research Papers
J. Turbomach. July 2022, 144(7): 071014.
Paper No: TURBO-21-1233
DOI: 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

Aerodynamic Interaction of Volute With Rotor in a Nozzleless Radial Turbine

Lei Pan, Mingyang Yang, Shota Murae, Wataru Sato, Naoto Shimohara, Akihiro Yamagata
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. June 2022, 144(6): 061012.
Paper No: TURBO-21-1265
DOI: https://doi.org/10.1115/1.4054162
Published Online: May 5, 2022
View Article titled, Aerodynamic Interaction of Volute With Rotor in a Nozzleless Radial Turbine
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Topics: Blades, Excitation, Flow (Dynamics), Leakage, Pressure, Rotors, Turbines, Vortices, Wakes, Stress
Journal Articles

Very Large Eddy Simulation of Aero-Thermal Performance in Squealer Tip Gap

Xin Yan
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. June 2022, 144(6): 061003.
Paper No: TURBO-20-1378
DOI: https://doi.org/10.1115/1.4053173
Published Online: January 28, 2022
View Article titled, Very Large Eddy Simulation of Aero-Thermal Performance in Squealer Tip Gap
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Topics: Blades, Cavities, Clearances (Engineering), Flow (Dynamics), Heat transfer, Heat transfer coefficients, Large eddy simulation, Leakage, Pressure, Suction
Journal Articles

Numerical Investigation of Unsteady Combustor Turbine Interaction for Flexible Power Generation

Federico Lo Presti, Marwick Sembritzky, Benjamin Winhart, Pascal Post, Francesca di Mare, Alexander Wiedermann, Johannes Greving, Robert Krewinkel
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. February 2022, 144(2): 021003.
Paper No: TURBO-21-1146
DOI: https://doi.org/10.1115/1.4052137
Published Online: September 27, 2021
View Article titled, Numerical Investigation of Unsteady Combustor Turbine Interaction for Flexible Power Generation
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Topics: Boundary-value problems, Combustion chambers, Temperature, Turbines, Flow (Dynamics), Simulation, Fluctuations (Physics), Stress
Journal Articles

Computational and Experimental Study of the Unsteady Convection of Entropy Waves Within a High-Pressure Turbine Stage

Lorenzo Pinelli, Michele Marconcini, Roberto Pacciani, Paolo Gaetani, Giacomo Persico
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. September 2021, 143(9): 091011.
Paper No: TURBO-20-1381
DOI: https://doi.org/10.1115/1.4050600
Published Online: May 12, 2021
View Article titled, Computational and Experimental Study of the Unsteady Convection of Entropy Waves Within a High-Pressure Turbine Stage
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Topics: Blades, Entropy, Flow (Dynamics), Rotors, Stators, Temperature, Turbines, Waves, Fluctuations (Physics), Pressure
Journal Articles

Active Flow Control Utilizing an Adaptive Blade Geometry and an Extremum Seeking Algorithm at Periodically Transient Boundary Conditions

Tobias Werder, Robert Liebich, Karl Neuhäuser, Clara Behnsen, Rudibert King
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. February 2021, 143(2): 021008.
Paper No: TURBO-20-1228
DOI: https://doi.org/10.1115/1.4049787
Published Online: February 2, 2021
View Article titled, Active Flow Control Utilizing an Adaptive Blade Geometry and an Extremum Seeking Algorithm at Periodically Transient Boundary Conditions
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Topics: Blades, Pressure, Compressors, Flow (Dynamics), Algorithms, Transients (Dynamics), Flow control, Cascades (Fluid dynamics), Fluctuations (Physics)
Journal Articles

Unsteady Flow Interactions Between a High- and Low-Pressure Turbine

P. Z. Sterzinger, S. Zerobin, F. Merli, L. Wiesinger, M. Dellacasagrande, A. Peters, G. Maini, F. Heitmeir, E. Göttlich
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. October 2020, 142(10): 101012.
Paper No: TURBO-19-1259
DOI: https://doi.org/10.1115/1.4046453
Published Online: September 18, 2020
View Article titled, Unsteady Flow Interactions Between a High- and Low-Pressure Turbine
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Topics: Flow (Dynamics), Fluctuations (Physics), Pressure, Rotors, Turbines, Unsteady flow
Journal Articles

Rotor-Alone Tones in the Outflow Noise of a Centrifugal Compressor

Armin Faßbender, Martin Enneking, Peter Jeschke
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. November 2020, 142(11): 111001.
Paper No: TURBO-20-1020
DOI: https://doi.org/10.1115/1.4047893
Published Online: September 14, 2020
View Article titled, Rotor-Alone Tones in the Outflow Noise of a Centrifugal Compressor
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Topics: Compressors, Diffusers, Flow (Dynamics), Fluctuations (Physics), Impellers, Noise (Sound), Outflow, Pressure, Rotors, Computational fluid dynamics
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
Article Type: Research Papers
J. Turbomach. June 2020, 142(6): 061007.
Paper No: TURBO-19-1189
DOI: 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

Prediction of Reynolds Number Effects on Low-Pressure Turbines Using a High-Order ILES Method

M. Bolinches-Gisbert, David Cadrecha Robles, Roque Corral, Fernando Gisbert
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. March 2020, 142(3): 031002.
Paper No: TURBO-19-1248
DOI: https://doi.org/10.1115/1.4045776
Published Online: February 20, 2020
View Article titled, Prediction of Reynolds Number Effects on Low-Pressure Turbines Using a High-Order ILES Method
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Topics: Airfoils, Boundary layers, Cascades (Fluid dynamics), Flow (Dynamics), Pressure, Reynolds number, Simulation, Turbulence, Wakes, Fluctuations (Physics)
Journal Articles

Radial Decomposition of Blade Vibration to Identify a Stall Flutter Source in a Transonic Fan

Q. Rendu, M. Vahdati, L. Salles
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. October 2019, 141(10): 101011.
Paper No: TURBO-18-1314
DOI: https://doi.org/10.1115/1.4044484
Published Online: October 1, 2019
View Article titled, Radial Decomposition of Blade Vibration to Identify a Stall Flutter Source in a Transonic Fan
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Topics: Blades, Flutter (Aerodynamics), Pressure, Shock waves, Vibration, Fluctuations (Physics), Flow (Dynamics), Damping, Computation, Oscillations
Journal Articles

Tonal Noise Prediction of a Modern Turbofan Engine With Large Upstream and Downstream Distortion

Majd Daroukh, Stéphane Moreau, Nicolas Gourdain, Jean-François Boussuge, Claude Sensiau
Journal: Journal of Turbomachinery
Article Type: Research-Article
J. Turbomach. February 2019, 141(2): 021010.
Paper No: TURBO-18-1073
DOI: https://doi.org/10.1115/1.4042163
Published Online: January 31, 2019
View Article titled, Tonal Noise Prediction of a Modern Turbofan Engine With Large Upstream and Downstream Distortion
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Topics: Acoustics, Blades, Engines, Filtration, Flow (Dynamics), Noise (Sound), Simulation, Wakes, Fluctuations (Physics), Ducts
Journal Articles

On the Simulation and Spectral Analysis of Unsteady Turbulence and Transition Effects in a Multistage Low Pressure Turbine

Georg Geiser, Jens Wellner, Edmund Kügeler, Anton Weber, Anselm Moors
Journal: Journal of Turbomachinery
Article Type: Research-Article
J. Turbomach. May 2019, 141(5): 051012.
Paper No: TURBO-18-1281
DOI: https://doi.org/10.1115/1.4041820
Published Online: January 25, 2019
View Article titled, On the Simulation and Spectral Analysis of Unsteady Turbulence and Transition Effects in a Multistage Low Pressure Turbine
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Topics: Blades, Flow (Dynamics), Flow separation, Pressure, Simulation, Turbines, Turbulence, Wheels, Fluctuations (Physics), Separation (Technology)
Journal Articles

Large Eddy Simulation of the Laminar Heat Transfer Augmentation on the Pressure Side of a Turbine Vane Under Freestream Turbulence

Yousef Kanani, Sumanta Acharya, Forrest Ames
Journal: Journal of Turbomachinery
Article Type: Research-Article
J. Turbomach. April 2019, 141(4): 041004.
Paper No: TURBO-18-1233
DOI: https://doi.org/10.1115/1.4041599
Published Online: January 21, 2019
View Article titled, Large Eddy Simulation of the Laminar Heat Transfer Augmentation on the Pressure Side of a Turbine Vane Under Freestream Turbulence
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Topics: Boundary layers, Flow (Dynamics), Fluctuations (Physics), Heat transfer, Pressure, Simulation, Turbulence, Large eddy simulation
Journal Articles

Experimental Study of Periodic Free Stream Unsteadiness Effects on Discrete Hole Film Cooling in Two Geometries

Daniel D. Borup, Danyang Fan, Christopher J. Elkins, John K. Eaton
Journal: Journal of Turbomachinery
Article Type: Research-Article
J. Turbomach. June 2019, 141(6): 061006.
Paper No: TURBO-18-1284
DOI: https://doi.org/10.1115/1.4041866
Published Online: January 21, 2019
View Article titled, Experimental Study of Periodic Free Stream Unsteadiness Effects on Discrete Hole Film Cooling in Two Geometries
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Topics: Coolants, Film cooling, Flow (Dynamics), Fluctuations (Physics), Cycles
Journal Articles

Unsteady Effects on the Experimental Determination of Overall Effectiveness

James L. Rutledge, William P. Baker
Journal: Journal of Turbomachinery
Article Type: Research-Article
J. Turbomach. December 2018, 140(12): 121005.
Paper No: TURBO-18-1203
DOI: https://doi.org/10.1115/1.4041233
Published Online: October 15, 2018
View Article titled, Unsteady Effects on the Experimental Determination of Overall Effectiveness
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Topics: Boundary-value problems, Engines, Film cooling, Temperature, Simulation, Fluctuations (Physics), Flow (Dynamics), Thermal conductivity, Heat, Low temperature
Journal Articles

On Turbulence Measurements and Analyses in a Two-Stage Two-Spool Turbine Rig

Sabine Bauinger, Stephan Behre, Davide Lengani, Yavuz Guendogdu, Franz Heitmeir, Emil Goettlich
Journal: Journal of Turbomachinery
Article Type: Research-Article
J. Turbomach. July 2017, 139(7): 071008.
Paper No: TURBO-15-1191
DOI: https://doi.org/10.1115/1.4035508
Published Online: March 7, 2017
View Article titled, On Turbulence Measurements and Analyses in a Two-Stage Two-Spool Turbine Rig
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Topics: Flow (Dynamics), Fluctuations (Physics), Pressure, Probes, Rotors, Turbines, Turbulence, Wire, Blades, Signals