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Journal Articles

Effects of Ribbed Surfaces on Profile Losses of Low-Pressure Turbine Blades

M. Dellacasagrande, D. Lengani, D. Simoni, M. Ubaldi, F. Bertini
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. October 2023, 145(10): 101009.
Paper No: TURBO-22-1292
https://doi.org/10.1115/1.4063049
Published Online: August 16, 2023
View Article titled, Effects of Ribbed Surfaces on Profile Losses of Low-Pressure Turbine Blades
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Topics: Blades, Boundary layers, Cascades (Fluid dynamics), Flat plates, Geometry, Pressure, Reynolds number, Suction, Turbines, Turbulence
Journal Articles

Quasi-Dynamic Approximation of Unsteady Pressure Distribution for Transonic Airfoils in Flutter

Jan Lepicovsky, David Šimurda, Robert E. Kielb, Petr Šidlof, Martin Štěpán
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. August 2023, 145(8): 081010.
Paper No: TURBO-22-1366
https://doi.org/10.1115/1.4062181
Published Online: April 12, 2023
View Article titled, Quasi-Dynamic Approximation of Unsteady Pressure Distribution for Transonic Airfoils in Flutter
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Topics: Blades, Flow (Dynamics), Flutter (Aerodynamics), Pressure, Cascades (Fluid dynamics), Test facilities, Mach number
Journal Articles

The New Chapter of Transonic Compressor Cascade Design at the DLR

Edwin J. Munoz Lopez, Alexander Hergt, Sebastian Grund, Volker Gümmer
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. August 2023, 145(8): 081001.
Paper No: TURBO-22-1193
https://doi.org/10.1115/1.4056982
Published Online: April 3, 2023
View Article titled, The New Chapter of Transonic Compressor Cascade Design at the DLR
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Topics: Cascades (Fluid dynamics), Compressors, Design, Optimization, Computational fluid dynamics, Airfoils, Pressure
Journal Articles

Importance of Nonequilibrium Modeling for Compressors

Robert Spencer, Pawel Przytarski, Paolo Adami, Patrick Grothe, Andrew Wheeler
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. April 2023, 145(4): 041017.
Paper No: TURBO-22-1001
https://doi.org/10.1115/1.4054813
Published Online: March 2, 2023
View Article titled, Importance of Nonequilibrium Modeling for Compressors
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Topics: Blades, Boundary layers, Cascades (Fluid dynamics), Compressors, Equilibrium (Physics), Modeling, Reynolds-averaged Navier–Stokes equations, Shapes, Simulation, Suction
Journal Articles

Heat Transfer Coefficient and Adiabatic Wall Temperature Measurements on High-Pressure Turbine Nozzle Guide Vanes With Representative Inlet Swirl and Temperature Distortions

Tommaso Bacci, Alessio Picchi, Giulia Babazzi, Bruno Facchini, Simone Cubeda
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. July 2023, 145(7): 071010.
Paper No: TURBO-22-1143
https://doi.org/10.1115/1.4056713
Published Online: February 10, 2023
View Article titled, Heat Transfer Coefficient and Adiabatic Wall Temperature Measurements on High-Pressure Turbine Nozzle Guide Vanes With Representative Inlet Swirl and Temperature Distortions
Open the PDF for Heat Transfer Coefficient and Adiabatic Wall Temperature Measurements on High-Pressure Turbine Nozzle Guide Vanes With Representative Inlet Swirl and Temperature Distortions in another window
Topics: Combustion chambers, Flow (Dynamics), Heat transfer coefficients, Nozzle guide vanes, Temperature, Turbines, Wall temperature, High pressure (Physics), Cascades (Fluid dynamics), Boundary-value problems
Journal Articles

The Influence of Turbulence and Reynolds Number on Endwall Heat Transfer in a Vane Cascade

Maliha Yel Mahi, Emmanuel Chukwuemeka, Shaun Donovan, Forrest Ames, Yousef Kanani, Sumanta Acharya
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. July 2023, 145(7): 071012.
Paper No: TURBO-22-1291
https://doi.org/10.1115/1.4056778
Published Online: February 10, 2023
View Article titled, The Influence of Turbulence and Reynolds Number on Endwall Heat Transfer in a Vane Cascade
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Topics: Cascades (Fluid dynamics), Heat transfer, Reynolds number, Turbulence, Flow (Dynamics), Pressure
Journal Articles

Aerodynamic Performance and Leakage Flow in Turbine Cascades With Sweeping Jet Actuators

Shaowen Chen, Weihang Li, Pengcheng Yang, Yueqi Liu
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. June 2023, 145(6): 061015.
Paper No: TURBO-22-1232
https://doi.org/10.1115/1.4056579
Published Online: January 30, 2023
View Article titled, Aerodynamic Performance and Leakage Flow in Turbine Cascades With Sweeping Jet Actuators
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Topics: Actuators, Blades, Cascades (Fluid dynamics), Clearances (Engineering), Flow (Dynamics), Leakage flows, Turbines, Pressure, Flow control
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
Open the PDF for Experimental Subsonic Flutter of a Linear Turbine Blade Cascade With Various Mode Shapes and Chordwise Torsion Axis Locations in another window
Topics: Blades, Cascades (Fluid dynamics), Flutter (Aerodynamics), Mode shapes, Torsion, Stability
Journal Articles

Numerical Investigations on Effect of Inflow Parameters on Development of Secondary Flow Field for Linear Low-Pressure Turbine Cascade

Anand P. Darji, Beena D. Baloni, Chetan S. Mistry
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. May 2023, 145(5): 051008.
Paper No: TURBO-22-1273
https://doi.org/10.1115/1.4056093
Published Online: November 25, 2022
View Article titled, Numerical Investigations on Effect of Inflow Parameters on Development of Secondary Flow Field for Linear Low-Pressure Turbine Cascade
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Topics: Cascades (Fluid dynamics), Flow (Dynamics), Inflow, Pressure, Turbines, Turbulence, Vortices, Design, Blades
Journal Articles

Performance Investigation of Airfoils for Axial Flow Fans in Low Solidity Cascades Operating at High Inlet Flow Angles

Carlo Cravero, Gabriele Milanese
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. March 2023, 145(3): 031002.
Paper No: TURBO-22-1155
https://doi.org/10.1115/1.4055610
Published Online: October 17, 2022
View Article titled, Performance Investigation of Airfoils for Axial Flow Fans in Low Solidity Cascades Operating at High Inlet Flow Angles
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Topics: Airfoils, Cascades (Fluid dynamics), Flow (Dynamics), Pressure, Design, Drag (Fluid dynamics), Fans, Computational fluid dynamics
Journal Articles

Film Cooling and Cold Streaks Tracking on a Fully Cooled Nozzle Guide Vane Under Representative Combustor Outflow Conditions

G. Babazzi, T. Bacci, A. Picchi, B. Facchini, S. Cubeda
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. February 2023, 145(2): 021005.
Paper No: TURBO-22-1165
https://doi.org/10.1115/1.4055500
Published Online: October 12, 2022
View Article titled, Film Cooling and Cold Streaks Tracking on a Fully Cooled Nozzle Guide Vane Under Representative Combustor Outflow Conditions
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Topics: Combustion chambers, Coolants, Film cooling, Flow (Dynamics), Nozzle guide vanes, Oxygen, Pressure, Probes, Swirling flow, Temperature
Journal Articles

A Turbo-Oriented Data-Driven Modification to the Spalart–Allmaras Turbulence Model

Xiao He, Fanzhou Zhao, Mehdi Vahdati
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. December 2022, 144(12): 121007.
Paper No: TURBO-22-1148
https://doi.org/10.1115/1.4055333
Published Online: September 19, 2022
View Article titled, A Turbo-Oriented Data-Driven Modification to the Spalart–Allmaras Turbulence Model
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Topics: Calibration, Cascades (Fluid dynamics), Compressors, Flow (Dynamics), NASA, Pressure, Rotors, Turbulence, Computational fluid dynamics, Corners (Structural elements)
Journal Articles

Loss Analysis of Cavity Leakage Flow in a Compressor Cascade

Hefang Deng, Kailong Xia, Jinfang Teng, Shaopeng Lu, Mingmin Zhu, Xiaoqing Qiang
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. December 2022, 144(12): 121008.
Paper No: TURBO-22-1156
https://doi.org/10.1115/1.4055334
Published Online: September 19, 2022
View Article titled, Loss Analysis of Cavity Leakage Flow in a Compressor Cascade
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Topics: Cascades (Fluid dynamics), Cavities, Clearances (Engineering), Compressors, Entropy, Flow (Dynamics), Leakage flows, Pressure, Boundary layers, Leakage
Journal Articles

The Unsteady Topology of Corner Separations

Ivo Dawkins, James Taylor, Xavier Ottavy, Rob Miller
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. November 2022, 144(11): 111001.
Paper No: TURBO-21-1255
https://doi.org/10.1115/1.4054676
Published Online: July 4, 2022
View Article titled, The Unsteady Topology of Corner Separations
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Topics: Blades, Cascades (Fluid dynamics), Corners (Structural elements), Flow (Dynamics), Separation (Technology), Topology, Design, Boundary layers
Journal Articles

The Effect of Inlet Conditions on Turbine Endwall Loss

John D. Coull, Christopher J. Clark
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. October 2022, 144(10): 101011.
Paper No: TURBO-22-1038
https://doi.org/10.1115/1.4054443
Published Online: June 16, 2022
View Article titled, The Effect of Inlet Conditions on Turbine Endwall Loss
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Topics: Boundary layers, Computational fluid dynamics, Flow (Dynamics), Kinetic energy, Vorticity, Shapes, Turbines, Design, Cascades (Fluid dynamics)
Journal Articles

An Analysis of the Secondary Flow Around a Tandem Blade Under the Presence of a Tip Gap in a High-Speed Linear Compressor Cascade

Liesbeth Konrath, Dieter Peitsch, Alexander Heinrich
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. October 2022, 144(10): 101003.
Paper No: TURBO-21-1039
https://doi.org/10.1115/1.4051558
Published Online: April 19, 2022
View Article titled, An Analysis of the Secondary Flow Around a Tandem Blade Under the Presence of a Tip Gap in a High-Speed Linear Compressor Cascade
Open the PDF for An Analysis of the Secondary Flow Around a Tandem Blade Under the Presence of a Tip Gap in a High-Speed Linear Compressor Cascade in another window
Topics: Blades, Flow (Dynamics), Compressors, Cascades (Fluid dynamics), Pressure, Clearances (Engineering)
Journal Articles

Low Reynolds Number Effects on the Separation and Wake of a Compressor Blade

Qiang Liu, Will Ager, Cesare Hall, Andrew P.S. Wheeler
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. October 2022, 144(10): 101008.
Paper No: TURBO-21-1221
https://doi.org/10.1115/1.4054148
Published Online: April 19, 2022
View Article titled, Low Reynolds Number Effects on the Separation and Wake of a Compressor Blade
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Topics: Blades, Bubbles, Compressors, Flow (Dynamics), Pressure, Reynolds number, Separation (Technology), Turbulence, Wakes, Cascades (Fluid dynamics)
Journal Articles

A Comprehensive Analytical Shock Loss Model for Axial Compressor Cascades

Milan Banjac, Teodora Savanovic, Djordje Petkovic, Milan V. Petrovic
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. September 2022, 144(9): 091003.
Paper No: TURBO-22-1012
https://doi.org/10.1115/1.4053852
Published Online: March 4, 2022
View Article titled, A Comprehensive Analytical Shock Loss Model for Axial Compressor Cascades
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Topics: Flow (Dynamics), Geometry, Mach number, Pressure, Shock (Mechanics), Blades, Cascades (Fluid dynamics), Airfoils, Compressors
Journal Articles

Effects of Rotation on the Flow Structure in a Compressor Cascade

Jordi Ventosa-Molina, Björn Koppe, Martin Lange, Ronald Mailach, Jochen Fröhlich
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. August 2022, 144(8): 081006.
Paper No: TURBO-21-1247
https://doi.org/10.1115/1.4053537
Published Online: March 3, 2022
View Article titled, Effects of Rotation on the Flow Structure in a Compressor Cascade
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Topics: Blades, Coriolis force, Flow (Dynamics), Rotation, Vortices, Cascades (Fluid dynamics), Pressure, Simulation
Journal Articles

Aero-Structural Coupling Strategy for a Morphing Blade Cascade Study

Giada Abate, Johannes Riemenschneider, Alexander Hergt
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. June 2022, 144(6): 061002.
Paper No: TURBO-21-1095
https://doi.org/10.1115/1.4053174
Published Online: January 28, 2022
View Article titled, Aero-Structural Coupling Strategy for a Morphing Blade Cascade Study
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Topics: Actuators, Blades, Cascades (Fluid dynamics), Computational fluid dynamics, Geometry, Pressure, Stress, Structural analysis, Airfoils