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Journal Articles

Characterizing Shrouded Stator Cavity Flow on the Performance of a Single-Stage Axial Transonic Compressor

Runzhu Shao, Xiao He, Mingmin Zhu, Fabian Klausmann, Jinfang Teng
Journal: Journal of Turbomachinery
Article Type: Research Papers
Publisher: ASME
J. Turbomach. November 2023, 145(11): 111004.
Paper No: TURBO-23-1147
https://doi.org/10.1115/1.4063296
Published Online: September 14, 2023
View Article titled, Characterizing Shrouded Stator Cavity Flow on the Performance of a Single-Stage Axial Transonic Compressor
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Topics: Cavities, Compressors, Flow (Dynamics), Leakage, Leakage flows, Pressure, Stators, Cavity flows, Computer simulation
Journal Articles

Axial Ventilation and Blade Row Effects on Transient Natural Convective Shutdown Cooling in a Gas Turbine

Daniel D. Fahy, Peter Ireland
Journal: Journal of Turbomachinery
Article Type: Research Papers
Publisher: ASME
J. Turbomach. November 2023, 145(11): 111003.
Paper No: TURBO-22-1267
https://doi.org/10.1115/1.4063246
Published Online: September 14, 2023
View Article titled, Axial Ventilation and Blade Row Effects on Transient Natural Convective Shutdown Cooling in a Gas Turbine
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Topics: Annulus, Blades, Cooling, Cylinders, Gas turbines, Heat flux, Temperature, Transients (Dynamics), Ventilation, Computational fluid dynamics
Journal Articles

HIGH-DIMENSIONAL UNCERTAINTY QUANTIFICATION OF HIGH-PRESSURE TURBINE VANE BASED ON MULTI-FIDELITY DEEP NEURAL NETWORKS

Accepted Manuscript
Zhihui Li, Francesco Montomoli, Nicola Casari, Michele Pinelli
Journal: Journal of Turbomachinery
Article Type: Research Papers
Publisher: ASME
J. Turbomach.
Paper No: TURBO-23-1153
https://doi.org/10.1115/1.4063391
Published Online: September 11, 2023
View Article titled, HIGH-DIMENSIONAL UNCERTAINTY QUANTIFICATION OF HIGH-PRESSURE TURBINE VANE BASED ON MULTI-FIDELITY DEEP NEURAL NETWORKS
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Topics: Artificial neural networks, Design, Gas turbines, High pressure (Physics), Turbines, Turbochargers, Uncertainty quantification, Flow (Dynamics), Uncertainty, Compressors
Journal Articles

Sensitivity of laidback fan-shaped hole discharge coefficient under internal coolant crossflow conditions

Accepted Manuscript
Haoyang Liu, Qiang Du, Qingzong Xu, Guang-Yao Xu, Hongye Li, Dawei Chen
Journal: Journal of Turbomachinery
Article Type: Research Papers
Publisher: ASME
J. Turbomach.
Paper No: TURBO-23-1013
https://doi.org/10.1115/1.4063366
Published Online: September 7, 2023
View Article titled, Sensitivity of laidback fan-shaped hole discharge coefficient under internal coolant crossflow conditions
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Topics: Coolants, Discharge coefficient, Turbochargers, Flow (Dynamics), Heat transfer, Pressure, Compressors, Errors, Film cooling, Flat plates
Journal Articles

Effect of Upstream Leakage Flow on Film Cooling Characteristic of a Turbine Convex Endwall

Jie Zhang, Cunliang Liu, Xiying Niu, Weijiang Xu, Li Zhang, Xuyang Liu
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. November 2023, 145(11): 111002.
Paper No: TURBO-23-1030
https://doi.org/10.1115/1.4063188
Published Online: August 29, 2023
View Article titled, Effect of Upstream Leakage Flow on Film Cooling Characteristic of a Turbine Convex Endwall
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Topics: Coolants, Cooling, Density, Film cooling, Flow (Dynamics), Leakage, Leakage flows, Pressure, Turbines
Journal Articles

Rotating Instabilities in Shrouded Low Pressure Turbine at Design and Off-Design Conditions

Accepted Manuscript
Maxime Perini, Nicolas Binder, Yannick Bousquet, Eric Schwartz
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach.
Paper No: TURBO-22-1351
https://doi.org/10.1115/1.4063247
Published Online: August 24, 2023
View Article titled, Rotating Instabilities in Shrouded Low Pressure Turbine at Design and Off-Design Conditions
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Topics: Cavities, Design, Pressure, Turbines, Turbochargers, Flow (Dynamics), Aerodynamics, Computational fluid dynamics, Leakage flows, Rotors
Journal Articles

Using Data Assimilation to Improve Turbulence Modeling for Inclined Jets in Crossflow

Xu Zhang, Kechen Wang, Wenwu Zhou, Chuangxin He, Yingzheng Liu
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. October 2023, 145(10): 101008.
Paper No: TURBO-22-1275
https://doi.org/10.1115/1.4063047
Published Online: August 16, 2023
View Article titled, Using Data Assimilation to Improve Turbulence Modeling for Inclined Jets in Crossflow
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Topics: Cylinders, Flow (Dynamics), Flow separation, Modeling, Reynolds-averaged Navier–Stokes equations, Simulation, Turbulence, Computational fluid dynamics, Kalman filters, Viscosity
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

Film Cooling on Turbine Vane Endwalls With Different Inlet Cooling Configurations: Experimental and Computational Results

Xing Yang, Qiang Zhao, Hang Wu, Zhenping Feng
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. October 2023, 145(10): 101010.
Paper No: TURBO-22-1361
https://doi.org/10.1115/1.4063050
Published Online: August 16, 2023
View Article titled, Film Cooling on Turbine Vane Endwalls With Different Inlet Cooling Configurations: Experimental and Computational Results
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Topics: Computational fluid dynamics, Coolants, Cooling, Film cooling, Flow (Dynamics), Turbines, Pressure
Journal Articles

On the Over-Prediction of Centrifugal Compressor Pressure Ratio in the High Impeller Tip Mach Number Regime

Bing Qiao, Xiao He, Mehdi Vahdati, Yaping Ju, Chuhua Zhang
Journal: Journal of Turbomachinery
Article Type: Technical Briefs
J. Turbomach. October 2023, 145(10): 104502.
Paper No: TURBO-23-1043
https://doi.org/10.1115/1.4063099
Published Online: August 16, 2023
View Article titled, On the Over-Prediction of Centrifugal Compressor Pressure Ratio in the High Impeller Tip Mach Number Regime
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Topics: Cavities, Compressors, Flow (Dynamics), Impellers, Mach number, Pressure, Turbulence, Design, NASA, Boundary-value problems
Journal Articles

Excitation of a Separated Flow by a Series of Protuberances Near the Leading Edge of a Model Aerofoil

Pradeep Singh, S. Sarkar
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. November 2023, 145(11): 111001.
Paper No: TURBO-23-1047
https://doi.org/10.1115/1.4063048
Published Online: August 16, 2023
View Article titled, Excitation of a Separated Flow by a Series of Protuberances Near the Leading Edge of a Model Aerofoil
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Topics: Airfoils, Bubbles, Excitation, Flow (Dynamics), Separation (Technology), Shear (Mechanics), Turbulence, Fluctuations (Physics), Boundary layers
Journal Articles

Turbine Vane Passage Cooling Experiments With a Close-Coupled Combustor-Turbine Interface Geometry—Part I: Describing the Flow

Kedar P. Nawathe, Aaditya R. Nath, Yong W. Kim, Terrence W. Simon
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. October 2023, 145(10): 101005.
Paper No: TURBO-22-1251
https://doi.org/10.1115/1.4056439
Published Online: August 2, 2023
View Article titled, Turbine Vane Passage Cooling Experiments With a Close-Coupled Combustor-Turbine Interface Geometry—Part I: Describing the Flow
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Topics: Combustion chambers, Coolants, Cooling, Flow (Dynamics), Turbines, Vortices, Vorticity, Engines, Geometry
Journal Articles

Turbine Vane Passage Cooling Experiments With a Close-Coupled Combustor–Turbine Interface Geometry Part II: Describing the Coolant Coverage

Kedar P. Nawathe, Aaditya R. Nath, Yong W. Kim, Terrence W. Simon
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. October 2023, 145(10): 101006.
Paper No: TURBO-22-1252
https://doi.org/10.1115/1.4062802
Published Online: August 2, 2023
View Article titled, Turbine Vane Passage Cooling Experiments With a Close-Coupled Combustor–Turbine Interface Geometry Part II: Describing the Coolant Coverage
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Topics: Combustion chambers, Coolants, Cooling, Flow (Dynamics), Geometry, Phantom cooling, Pressure, Suction, Turbines, Vortices
Journal Articles

Body Force Modeling of the Fan Stage of a Windmilling Turbofan

Massyl Lagha, Guillaume Dufour
Journal: Journal of Turbomachinery
Article Type: Research Papers
Publisher: ASME
J. Turbomach. October 2023, 145(10): 101003.
Paper No: TURBO-21-1086
https://doi.org/10.1115/1.4062837
Published Online: July 28, 2023
View Article titled, Body Force Modeling of the Fan Stage of a Windmilling Turbofan
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Topics: Blades, Computational fluid dynamics, Engines, Flow (Dynamics), Modeling, Pressure, Rotors, Simulation, Stators, Turbofans
Journal Articles

An Aerodynamic Loss Model for Axial Turbine Design

Zhi Li, Yan Liu
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. September 2023, 145(9): 091011.
Paper No: TURBO-22-1330
https://doi.org/10.1115/1.4062804
Published Online: July 27, 2023
View Article titled, An Aerodynamic Loss Model for Axial Turbine Design
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Topics: Computational fluid dynamics, Design, Entropy, Turbines, Flow (Dynamics), Blades
Journal Articles

Internal Heat Transfer Measurement on Metal-Based Additively Manufactured Channels Using a Transient Technique

Patrick Lüscher, Marin Deflorin, Manuel Voggesser, Peter Stuber, Vincent Galoul, Minseok Ko
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. September 2023, 145(9): 091012.
Paper No: TURBO-23-1009
https://doi.org/10.1115/1.4062807
Published Online: July 27, 2023
View Article titled, Internal Heat Transfer Measurement on Metal-Based Additively Manufactured Channels Using a Transient Technique
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Topics: Additive manufacturing, Friction, Heat transfer, Metals, Reynolds number, Pressure, Transients (Dynamics), Flow (Dynamics), Temperature, Surface roughness
Journal Articles

Fan Flutter Mechanisms Related to Blade Mode Shape and Acoustic Properties

Xu Dong, Yanfeng Zhang, Xingen Lu
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. September 2023, 145(9): 091013.
Paper No: TURBO-23-1022
https://doi.org/10.1115/1.4062806
Published Online: July 27, 2023
View Article titled, Fan Flutter Mechanisms Related to Blade Mode Shape and Acoustic Properties
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Topics: Acoustics, Blades, Damping, Flutter (Aerodynamics), Mode shapes, Pressure, Flow (Dynamics), Vibration
Journal Articles

Hot-Wire Anemometry in High Subsonic Organic Vapor Flows

Leander Hake, Stefan aus der Wiesche, Stephan Sundermeier, Leon Cakievski, Joshua Bäumer, Paola Cinnella, Camille Matar, Xavier Gloerfelt
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. September 2023, 145(9): 091010.
Paper No: TURBO-22-1346
https://doi.org/10.1115/1.4062676
Published Online: June 26, 2023
View Article titled, Hot-Wire Anemometry in High Subsonic Organic Vapor Flows
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Topics: Calibration, Flow (Dynamics), Mach number, Temperature, Vapors, Wire, Reynolds number, Heat transfer, Probes, Wind tunnels
Journal Articles

Assimilation of Disparate Data for Improving the Performance Prediction of Body-Force Model

Xuegao Wang, Jun Hu, Shuai Ma
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. September 2023, 145(9): 091008.
Paper No: TURBO-22-1137
https://doi.org/10.1115/1.4062610
Published Online: June 12, 2023
View Article titled, Assimilation of Disparate Data for Improving the Performance Prediction of Body-Force Model
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Topics: Blades, Compressors, Flow (Dynamics), Kalman filters, Modeling, Pressure, Optimization, Reynolds-averaged Navier–Stokes equations, Computation, Computational fluid dynamics
Journal Articles

Experimental and Computational Investigation of Shaped Film Cooling Holes Designed to Minimize Inlet Separation

Fraser B. Jones, Dale W. Fox, David G. Bogard
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. September 2023, 145(9): 091007.
Paper No: TURBO-21-1007
https://doi.org/10.1115/1.4062460
Published Online: June 9, 2023
View Article titled, Experimental and Computational Investigation of Shaped Film Cooling Holes Designed to Minimize Inlet Separation
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Topics: Coolants, Film cooling, Flow (Dynamics), Separation (Technology), Diffusers, Temperature, Simulation