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Journal Articles

INVESTIGATION OF THE INTERACTION BETWEEN TIP LEAKAGE AND MAIN ANNULUS FLOW IN THE LARGE SCALE TURBINE RIG: COMPARISON OF DIFFERENT ROTOR TIP GEOMETRIES

Accepted Manuscript
Dominik Ade, Johannes Eitenmueller, Sebastian Leichtfuss, Heinz-Peter Schiffer, Christoph Lyko, Gregor Schmid
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach.
Paper No: TURBO-22-1224
DOI: https://doi.org/10.1115/1.4062123
Published Online: March 13, 2023
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Topics: Annulus, Cavities, Design, Flow (Dynamics), Leakage, Leakage flows, Rotors, Turbines, Turbochargers, Blades
Journal Articles

A Method for Predicting the Aeroelastic Response of Radial Turbomachines

Accepted Manuscript
David Fellows, Vincent Iskandar, Daniel Bodony, Ryan C. McGowan, Sang-Guk Kang, Aaron J. Pope, Chol-Bum M. Kweon
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach.
Paper No: TURBO-22-1117
DOI: https://doi.org/10.1115/1.4057062
Published Online: March 8, 2023
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Topics: Computational fluid dynamics, Turbine blades, Turbochargers, Turbomachinery, Flutter (Aerodynamics), Blades, Fluids, Turbines, Aircraft, Combustion
Journal Articles

Experimental Study of Impact of In-Service Deterioration on Aerodynamic Performance of High-Pressure Nozzle Guide Vanes

Mathias Michaud, Dougal Jackson, Frédéric Goenaga, Thomas Povey
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. June 2023, 145(6): 061017.
Paper No: TURBO-21-1259
DOI: https://doi.org/10.1115/1.4056774
Published Online: March 2, 2023
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Topics: Coolants, Film cooling, Flow (Dynamics), Pressure, Surface roughness, Kinetic energy, Nozzle guide vanes, Engines, Spallation (Nuclear physics), High pressure (Physics)
Journal Articles

Aerothermal Performance of Axially Varying Winglet-Squealer Blade Tips

Anmol Garg, Nagabhushana Rao Vadlamani, Balaji Srinivasan
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. July 2023, 145(7): 071009.
Paper No: TURBO-22-1134
DOI: https://doi.org/10.1115/1.4056712
Published Online: February 10, 2023
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Topics: Blades, Cavities, Flow (Dynamics), Pressure, Design, Leakage, Vortices, Leakage flows, High pressure (Physics)
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
DOI: https://doi.org/10.1115/1.4056713
Published Online: February 10, 2023
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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

Application of Adjoint-Enhanced First Order Second Moment Method for Robust Design Optimization of a High Pressure Compressor Rotor

Max Dittmann, Robin Schmidt, Marcus Meyer
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. February 2023, 145(2): 021010.
Paper No: TURBO-22-1183
DOI: https://doi.org/10.1115/1.4055578
Published Online: October 12, 2022
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Topics: Compressors, Design, Optimization, Rotors, Uncertainty, Blades, High pressure (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
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Topics: Blades, Boundary layers, Flow (Dynamics), Pressure, Rotors, Stators, Suction, Turbulence, Wakes, High pressure (Physics)
Journal Articles

High-Fidelity Computational Fluid Dynamics Analysis of In-Serviced Shrouded High-Pressure Turbine Rotor Blades

Mario Carta, Tiziano Ghisu, Shahrokh Shahpar
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. December 2022, 144(12): 121001.
Paper No: TURBO-22-1122
DOI: https://doi.org/10.1115/1.4055267
Published Online: September 13, 2022
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Topics: Blades, Computational fluid dynamics, Damage, Rotors, Shapes, Turbines, Reverse engineering, High pressure (Physics), Flow (Dynamics), Airfoils
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
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Topics: Blades, Excitation, Flow (Dynamics), Leakage, Pressure, Rotors, Turbines, Vortices, Wakes, Stress
Journal Articles

Exploring Topology Optimization for High Pressure Turbine Blade Tips

Luka Vincekovic, Alistair John, Ning Qin, Shahrokh Shahpar
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. July 2022, 144(7): 071013.
Paper No: TURBO-21-1167
DOI: https://doi.org/10.1115/1.4053917
Published Online: March 16, 2022
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Topics: Blades, Design, Optimization, Topology, High pressure (Physics), Turbines, Pressure, Flow (Dynamics), Parametrization
Journal Articles

An Experimentally Validated Low-Order Model of the Thermal Response of Double-Wall Effusion Cooling Systems for High-Pressure Turbine Blades

Alexander V. Murray, Peter T. Ireland, Eduardo Romero
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. November 2021, 143(11): 111015.
Paper No: TURBO-20-1286
DOI: https://doi.org/10.1115/1.4050976
Published Online: July 5, 2021
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Topics: Computational fluid dynamics, Cooling, Cooling systems, Engineering simulation, Geometry, Heat transfer coefficients, Simulation, Thermal resistance, Coolants, Flow (Dynamics)
Journal Articles

Large-Eddy Simulations of High Rossby Number Flow in the High-Pressure Compressor Inter-Disk Cavity

Deepak Saini, Richard D. Sandberg
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. November 2021, 143(11): 111002.
Paper No: TURBO-20-1206
DOI: https://doi.org/10.1115/1.4050951
Published Online: June 15, 2021
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Topics: Cavities, Disks, Flow (Dynamics), Compressors, High pressure (Physics), Vortices, Buoyancy, Large eddy simulation, Heat transfer
Journal Articles

V-Shaped Holes for Full Coverage Film Cooling of a High-Pressure Nozzle Guide Vane

G. Barigozzi, H. Abdeh, S. Rouina, L. Abba, M. Iannone, V. Odemondo
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. November 2021, 143(11): 111004.
Paper No: TURBO-20-1270
DOI: https://doi.org/10.1115/1.4051081
Published Online: June 15, 2021
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Topics: Cascades (Fluid dynamics), Coolants, Cooling, Film cooling, Flow (Dynamics), Geometry, Pressure, Suction, High pressure (Physics), Nozzle guide vanes
Journal Articles

PHANTOM COOLING EFFECTS ON ROTOR BLADE SURFACE HEAT FLUX IN A TRANSONIC FULL SCALE 1+1/2 STAGE ROTATING TURBINE

Accepted Manuscript
Richard J. Anthony, John Finnegan, John Clark
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach.
Paper No: TURBO-20-1285
DOI: https://doi.org/10.1115/1.4051245
Published Online: May 20, 2021
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Topics: Blades, Film cooling, Heat flux, Phantom cooling, Rotors, Turbine blades, Turbines, Turbochargers, Pressure, Air Force
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
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Topics: Blades, Entropy, Flow (Dynamics), Rotors, Stators, Temperature, Turbines, Waves, Fluctuations (Physics), Pressure
Journal Articles

High-Fidelity Simulations of a High-Pressure Turbine Vane Subject to Large Disturbances: Effect of Exit Mach Number on Losses

Yaomin Zhao, Richard D. Sandberg
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. September 2021, 143(9): 091002.
Paper No: TURBO-20-1392
DOI: https://doi.org/10.1115/1.4050453
Published Online: May 3, 2021
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Topics: Blades, Boundary layers, Entropy, Flow (Dynamics), Mach number, Shock (Mechanics), Simulation, Turbulence, Turbines, Pressure
Journal Articles

Application of Scale Adaptive Simulation Model to Studying Cooling Characteristics of a High Pressure Turbine Blade Cutback Trailing Edge With Different Cooling Configurations

Yue-feng Li, Hua-zhao Xu, Jian-hua Wang, Wei Song, Ming Wang, Tai-qiu Liu, Xu Wang
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. August 2021, 143(8): 081010.
Paper No: TURBO-20-1359
DOI: https://doi.org/10.1115/1.4050448
Published Online: May 3, 2021
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Topics: Coolants, Cooling, Discharge coefficient, Fins, Flow (Dynamics), Shapes, Simulation, Vortices, Vortex shedding, Film cooling
Journal Articles

Effect of a Combined Hot-Streak and Swirl Profile on Cooled 1.5-Stage Turbine Aerodynamics: An Experimental and Computational Study

Maxwell G. Adams, Paul F. Beard, Mark R. Stokes, Fredrik Wallin, Kam S. Chana, Thomas Povey
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. February 2021, 143(2): 021011.
Paper No: TURBO-19-1186
DOI: https://doi.org/10.1115/1.4049103
Published Online: February 1, 2021
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Topics: Aerodynamics, Flow (Dynamics), Pressure, Rotors, Temperature, Turbines, Blades, High pressure (Physics), Combustion chambers
Journal Articles

Probabilistic Finite Element Analysis of Cooled High-Pressure Turbine Blades—Part A: Holistic Description of Manufacturing Variability

Lars Högner, Matthias Voigt, Ronald Mailach, Marcus Meyer, Ulf Gerstberger
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. October 2020, 142(10): 101008.
Paper No: TURBO-20-1028
DOI: https://doi.org/10.1115/1.4047778
Published Online: September 15, 2020
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Topics: Airfoils, Blades, Design, Electromagnetic scattering, Finite element analysis, Geometry, High pressure (Physics), Manufacturing, Measurement uncertainty, Optimization
Journal Articles

Probabilistic Finite Element Analysis of Cooled High-Pressure Turbine Blades—Part B: Probabilistic Analysis

Lars Högner, Matthias Voigt, Ronald Mailach, Marcus Meyer, Ulf Gerstberger
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. October 2020, 142(10): 101009.
Paper No: TURBO-20-1029
DOI: https://doi.org/10.1115/1.4047779
Published Online: September 15, 2020
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Topics: Airfoils, Blades, Chain, Creep, Design, Finite element analysis, Geometry, High pressure (Physics), Manufacturing, Robustness