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Journal Articles

Comparison of Eddy Viscosity Models for High Turbulence Nozzle Guide Vane Flows

Jonas Amend, Thomas Povey
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. August 2024, 146(8): 081004.
Paper No: TURBO-23-1103
https://doi.org/10.1115/1.4064484
Published Online: March 12, 2024
View Article titled, Comparison of Eddy Viscosity Models for High Turbulence Nozzle Guide Vane Flows
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Topics: Flow (Dynamics), Turbulence, Wakes, Eddies (Fluid dynamics), Viscosity, Computational fluid dynamics, Nozzle guide vanes, Shear stress
Journal Articles

A Method Proposed to Predict Particle Deposition Based on Critical Viscosity Model and Roughness Height Prediction in a Turbine Cascade

Hong Wang, Peilin He, Jialong Li, Huawei Lu
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. January 2024, 146(1): 011010.
Paper No: TURBO-23-1083
https://doi.org/10.1115/1.4063752
Published Online: October 31, 2023
View Article titled, A Method Proposed to Predict Particle Deposition Based on Critical Viscosity Model and Roughness Height Prediction in a Turbine Cascade
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Topics: Particulate matter, Surface roughness, Viscosity, Cascades (Fluid dynamics), Turbines, Flow (Dynamics)
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
Publisher: ASME
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

Multi-Objective Aerodynamic and Aeroelastic Coupled Design Optimization Using a Full Viscosity Discrete Adjoint Harmonic Balance Method

Hangkong Wu, Dingxi Wang, Xiuquan Huang
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. October 2023, 145(10): 101002.
Paper No: TURBO-22-1260
https://doi.org/10.1115/1.4062803
Published Online: July 27, 2023
View Article titled, Multi-Objective Aerodynamic and Aeroelastic Coupled Design Optimization Using a Full Viscosity Discrete Adjoint Harmonic Balance Method
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Topics: Blades, Design, Optimization, Viscosity
Journal Articles

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

Xiao He, Fanzhou Zhao, Mehdi Vahdati
Journal: Journal of Turbomachinery
Publisher: ASME
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

The Effects of Specific Heat and Viscosity on Film Cooling Behavior

Connor J. Wiese, James L. Rutledge
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. April 2021, 143(4): 041008.
Paper No: TURBO-20-1221
https://doi.org/10.1115/1.4049785
Published Online: March 24, 2021
View Article titled, The Effects of Specific Heat and Viscosity on Film Cooling Behavior
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Topics: Carbon dioxide, Coolants, Film cooling, Nitrogen, Viscosity, Cooling
Journal Articles

Deficiencies in the Spalart–Allmaras Turbulence Model for the Prediction of the Stability Boundary in Highly Loaded Compressors

Jose Moreno, John Dodds, Sina Stapelfeldt, Mehdi Vahdati
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. December 2020, 142(12): 121012.
Paper No: TURBO-19-1159
https://doi.org/10.1115/1.4047784
Published Online: December 2, 2020
View Article titled, Deficiencies in the Spalart–Allmaras Turbulence Model for the Prediction of the Stability Boundary in Highly Loaded Compressors
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Topics: Boundary layers, Compressors, Eddies (Fluid dynamics), Flow (Dynamics), Modeling, Stability, Turbulence, Viscosity, Pressure
Journal Articles

Measurements and Characterization of Turbulence in the Tip Region of an Axial Compressor Rotor

Yuanchao Li, Huang Chen, Joseph Katz
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. December 2017, 139(12): 121003.
Paper No: TURBO-17-1103
https://doi.org/10.1115/1.4037773
Published Online: September 26, 2017
View Article titled, Measurements and Characterization of Turbulence in the Tip Region of an Axial Compressor Rotor
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Topics: Compressors, Eddies (Fluid dynamics), Flow (Dynamics), Rotors, Shear (Mechanics), Stress, Turbulence, Viscosity, Anisotropy, Blades
Journal Articles

Unsteady Adjoint of Pressure Loss for a Fundamental Transonic Turbine Vane

Chaitanya Talnikar, Qiqi Wang, Gregory M. Laskowski
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. March 2017, 139(3): 031001.
Paper No: TURBO-16-1217
https://doi.org/10.1115/1.4034800
Published Online: November 8, 2016
View Article titled, Unsteady Adjoint of Pressure Loss for a Fundamental Transonic Turbine Vane
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Topics: Design, Flow (Dynamics), Fluid dynamics, Pressure, Simulation, Turbines, Turbulence, Viscosity, Navier-Stokes equations, Boundary layers
Journal Articles

Uncertainty Analysis and Data-Driven Model Advances for a Jet-in-Crossflow

Julia Ling, Anthony Ruiz, Guilhem Lacaze, Joseph Oefelein
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. February 2017, 139(2): 021008.
Paper No: TURBO-16-1175
https://doi.org/10.1115/1.4034556
Published Online: October 4, 2016
View Article titled, Uncertainty Analysis and Data-Driven Model Advances for a Jet-in-Crossflow
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Topics: Anisotropy, Flow (Dynamics), Machine learning, Reynolds-averaged Navier–Stokes equations, Stress, Turbulence, Viscosity
Journal Articles

Investigation of the Accuracy of RANS Models to Predict the Flow Through a Low-Pressure Turbine

R. Pichler, R. D. Sandberg, V. Michelassi, R. Bhaskaran
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. December 2016, 138(12): 121009.
Paper No: TURBO-16-1076
https://doi.org/10.1115/1.4033507
Published Online: June 22, 2016
View Article titled, Investigation of the Accuracy of RANS Models to Predict the Flow Through a Low-Pressure Turbine
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Topics: Flow (Dynamics), Pressure, Reynolds-averaged Navier–Stokes equations, Turbines, Turbulence, Modeling, Errors, Fluctuations (Physics), Computational fluid dynamics, Computer simulation
Journal Articles

Deposition on a Cooled Nozzle Guide Vane With Nonuniform Inlet Temperatures

Robin Prenter, Ali Ameri, Jeffrey P. Bons
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. October 2016, 138(10): 101005.
Paper No: TURBO-16-1010
https://doi.org/10.1115/1.4032924
Published Online: April 26, 2016
View Article titled, Deposition on a Cooled Nozzle Guide Vane With Nonuniform Inlet Temperatures
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Topics: Flow (Dynamics), Particulate matter, Temperature, Film cooling, Viscosity, Heat transfer, Nozzle guide vanes, Simulation
Journal Articles

Analysis of Turbulent Scalar Flux Models for a Discrete Hole Film Cooling Flow

Julia Ling, Kevin J. Ryan, Julien Bodart, John K. Eaton
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. January 2016, 138(1): 011006.
Paper No: TURBO-15-1182
https://doi.org/10.1115/1.4031698
Published Online: October 21, 2015
View Article titled, Analysis of Turbulent Scalar Flux Models for a Discrete Hole Film Cooling Flow
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Topics: Film cooling, Flow (Dynamics), Flux (Metallurgy), Reynolds-averaged Navier–Stokes equations, Scalars, Turbulence, Stress, Temperature distribution, Errors, Viscosity
Journal Articles

Compressible Direct Numerical Simulation of Low-Pressure Turbines—Part II: Effect of Inflow Disturbances

Vittorio Michelassi, Li-Wei Chen, Richard Pichler, Richard D. Sandberg
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. July 2015, 137(7): 071005.
Paper No: TURBO-14-1212
https://doi.org/10.1115/1.4029126
Published Online: July 1, 2015
View Article titled, Compressible Direct Numerical Simulation of Low-Pressure Turbines—Part II: Effect of Inflow Disturbances
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Topics: Boundary layers, Flow (Dynamics), Pressure, Separation (Technology), Turbulence, Wakes, Bubbles, Errors, Blades, Viscosity
Journal Articles

Large-Eddy Simulations of Wall Bounded Turbulent Flows Using Unstructured Linear Reconstruction Techniques

Dario Amirante, Nicholas J. Hills
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. May 2015, 137(5): 051006.
Paper No: TURBO-14-1196
https://doi.org/10.1115/1.4028549
Published Online: May 1, 2015
View Article titled, Large-Eddy Simulations of Wall Bounded Turbulent Flows Using Unstructured Linear Reconstruction Techniques
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Topics: Flow (Dynamics), Rotors, Stators, Turbulence, Errors, Pipe flow, Cavities, Viscosity, Large eddy simulation, Boundary layers
Journal Articles

Deposition With Hot Streaks in an Uncooled Turbine Vane Passage

Brian Casaday, Robin Prenter, Carlos Bonilla, Michael Lawrence, Carey Clum, Ali A. Ameri, Jeffrey P. Bons
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. April 2014, 136(4): 041017.
Paper No: TURBO-13-1127
https://doi.org/10.1115/1.4025215
Published Online: October 24, 2013
View Article titled, Deposition With Hot Streaks in an Uncooled Turbine Vane Passage
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Topics: Flow (Dynamics), Particulate matter, Temperature, Turbines, Viscosity, Pressure, Coal
Journal Articles

Effect of Blowing Ratio on Early Stage Deposition of Syngas Ash on a Film-Cooled Vane Leading Edge Using Large Eddy Simulations

Sai Shrinivas Sreedharan, Danesh K. Tafti
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. November 2013, 135(6): 061005.
Paper No: TURBO-10-1205
https://doi.org/10.1115/1.4025153
Published Online: September 13, 2013
View Article titled, Effect of Blowing Ratio on Early Stage Deposition of Syngas Ash on a Film-Cooled Vane Leading Edge Using Large Eddy Simulations
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Topics: Coolants, Flow (Dynamics), Particulate matter, Temperature, Turbulence, Viscosity, Syngas, Large eddy simulation
Journal Articles

Coal Ash Deposition on Nozzle Guide Vanes—Part II: Computational Modeling

B. Barker, B. Casaday, P. Shankara, A. Ameri, J. P. Bons
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. January 2013, 135(1): 011015.
Paper No: TURBO-11-1139
https://doi.org/10.1115/1.4006399
Published Online: November 6, 2012
View Article titled, Coal Ash Deposition on Nozzle Guide Vanes—Part II: Computational Modeling
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Topics: Particulate matter, Viscosity, Flow (Dynamics), Coal, Temperature
Journal Articles

Time-Dependent Deposition Characteristics of Fine Coal Fly Ash in a Laboratory Gas Turbine Environment

Robert G. Laycock, Thomas H. Fletcher
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. March 2013, 135(2): 021003.
Paper No: TURBO-11-1241
https://doi.org/10.1115/1.4006639
Published Online: November 1, 2012
View Article titled, Time-Dependent Deposition Characteristics of Fine Coal Fly Ash in a Laboratory Gas Turbine Environment
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Topics: Coal, Fly ash, Gas turbines, Particulate matter, Surface roughness, Temperature, Viscosity, Flow (Dynamics)
Journal Articles

Calculation of High-Lift Cascades in Low Pressure Turbine Conditions Using a Three-Equation Model

Roberto Pacciani, Michele Marconcini, Atabak Fadai-Ghotbi, Sylvain Lardeau, Michael A. Leschziner
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. July 2011, 133(3): 031016.
https://doi.org/10.1115/1.4001237
Published Online: November 18, 2010
View Article titled, Calculation of High-Lift Cascades in Low Pressure Turbine Conditions Using a Three-Equation Model
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Topics: Boundary layers, Cascades (Fluid dynamics), Flow (Dynamics), Kinetic energy, Pressure, Reynolds number, Separation (Technology), Turbines, Turbulence, Viscosity