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Journal Articles

Profile Loss Reduction of High-Lift Turbine Blades With Rough and Ribbed Surfaces

Ananth Sivaramakrishnan Malathi, Massimiliano Nardini, Aditya Vaid, Nagabhushana Rao Vadlamani, Richard D. Sandberg
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. February 2023, 145(2): 021001.
Paper No: TURBO-22-1214
DOI: https://doi.org/10.1115/1.4055501
Published Online: October 11, 2022
View Article titled, Profile Loss Reduction of High-Lift Turbine Blades With Rough and Ribbed Surfaces
Click here to open pdf in another window PDF for Profile Loss Reduction of High-Lift Turbine Blades With Rough and Ribbed Surfaces
Topics: Boundary layers, Flow (Dynamics), Pressure gradient, Suction, Surface roughness, Turbulence, Simulation, Skin friction (Fluid dynamics), Turbine blades, Shapes
Journal Articles

Study on Effects of Spanwise-Expansion Parameters on Film Cooling Effectiveness of Diffusion Shaped Hole Configurations

Cun-Liang Liu, Bing-Ran Li, Hui Song, Lei Chen, Rui Wang, Yong-Ming Wang, Da-Peng Liang
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. January 2023, 145(1): 011003.
Paper No: TURBO-22-1014
DOI: https://doi.org/10.1115/1.4055440
Published Online: October 7, 2022
View Article titled, Study on Effects of Spanwise-Expansion Parameters on Film Cooling Effectiveness of Diffusion Shaped Hole Configurations
Click here to open pdf in another window PDF for Study on Effects of Spanwise-Expansion Parameters on Film Cooling Effectiveness of Diffusion Shaped Hole Configurations
Topics: Diffusion (Physics), Film cooling, Flow (Dynamics), Momentum, Computer simulation, Coolants, Cooling
Journal Articles

Effects of Sideslip Direction on a Rear Fuselage Boundary Layer Ingesting Fan

Alejandro Castillo Pardo, Cesare A. Hall
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. December 2022, 144(12): 121012.
Paper No: TURBO-22-1208
DOI: https://doi.org/10.1115/1.4055385
Published Online: October 3, 2022
View Article titled, Effects of Sideslip Direction on a Rear Fuselage Boundary Layer Ingesting Fan
Click here to open pdf in another window PDF for Effects of Sideslip Direction on a Rear Fuselage Boundary Layer Ingesting Fan
Topics: Boundary layers, Design, Flow (Dynamics), Pressure, Rotors, Blades, Momentum, Annulus
Journal Articles

Extending Highly Loaded Axial Fan Operability Range Through Novel Blade Design

Diego I. Lopez, Tiziano Ghisu, Timoleon Kipouros, Shahrokh Shahpar, Mark Wilson
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. December 2022, 144(12): 121009.
Paper No: TURBO-22-1121
DOI: https://doi.org/10.1115/1.4055350
Published Online: September 19, 2022
View Article titled, Extending Highly Loaded Axial Fan Operability Range Through Novel Blade Design
Click here to open pdf in another window PDF for Extending Highly Loaded Axial Fan Operability Range Through Novel Blade Design
Topics: Blades, Design, Computational fluid dynamics, Flow (Dynamics), Stability, Pressure, Momentum, Leakage flows, Leakage
Journal Articles

Investigating the Influence of Mainstream Turbulence and Large Vortices on Gas Turbine Trenched Film Cooling Flows Using Planar Temperature-Velocity Imaging

Michael Straußwald, Tobias Sander, Christopher Abram, Michael Pfitzner
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. October 2022, 144(10): 101013.
Paper No: TURBO-21-1260
DOI: https://doi.org/10.1115/1.4054215
Published Online: July 4, 2022
View Article titled, Investigating the Influence of Mainstream Turbulence and Large Vortices on Gas Turbine Trenched Film Cooling Flows Using Planar Temperature-Velocity Imaging
Click here to open pdf in another window PDF for Investigating the Influence of Mainstream Turbulence and Large Vortices on Gas Turbine Trenched Film Cooling Flows Using Planar Temperature-Velocity Imaging
Topics: Cooling, Film cooling, Flow (Dynamics), Temperature, Turbulence, Momentum, Geometry, Vortices
Journal Articles

Experimental Study of the Endwall Heat Transfer of a Transonic Nozzle Guide Vane With Upstream Jet Purge Cooling Part 1—Effect of Density Ratio

Shuo Mao, Ridge Sibold, Wing F. Ng, Zhigang Li, Bo Bai, Hongzhou Xu, Michael Fox
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. May 2022, 144(5): 051003.
Paper No: TURBO-21-1101
DOI: https://doi.org/10.1115/1.4052754
Published Online: November 17, 2021
View Article titled, Experimental Study of the Endwall Heat Transfer of a Transonic Nozzle Guide Vane With Upstream Jet Purge Cooling Part 1—Effect of Density Ratio
Click here to open pdf in another window PDF for Experimental Study of the Endwall Heat Transfer of a Transonic Nozzle Guide Vane With Upstream Jet Purge Cooling Part 1—Effect of Density Ratio
Topics: Coolants, Cooling, Density, Flow (Dynamics), Film cooling, Nozzle guide vanes, Heat transfer, Pressure, Computational fluid dynamics, Momentum
Journal Articles

Experimental Study of the Endwall Heat Transfer of a Transonic Nozzle Guide Vane With Upstream Jet Purge Cooling Part 2—Effect of Combustor-Nozzle Guide Vane Misalignment

Shuo Mao, Ridge Sibold, Wing F. Ng, Zhigang Li, Bo Bai, Hongzhou Xu, Michael Fox
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. May 2022, 144(5): 051004.
Paper No: TURBO-21-1102
DOI: https://doi.org/10.1115/1.4052738
Published Online: November 17, 2021
View Article titled, Experimental Study of the Endwall Heat Transfer of a Transonic Nozzle Guide Vane With Upstream Jet Purge Cooling Part 2—Effect of Combustor-Nozzle Guide Vane Misalignment
Click here to open pdf in another window PDF for Experimental Study of the Endwall Heat Transfer of a Transonic Nozzle Guide Vane With Upstream Jet Purge Cooling Part 2—Effect of Combustor-Nozzle Guide Vane Misalignment
Topics: Combustion chambers, Coolants, Cooling, Film cooling, Flow (Dynamics), Heat transfer, Nozzle guide vanes, Vortices, Pressure, Design
Journal Articles

Surface Roughness Impact on Boundary Layer Transition and Loss Mechanisms Over a Flat-Plate Under a Low-Pressure Turbine Pressure Gradient

Heechan Jeong, Seung Jin Song
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. January 2022, 144(1): 011005.
Paper No: TURBO-20-1298
DOI: https://doi.org/10.1115/1.4051937
Published Online: September 7, 2021
View Article titled, Surface Roughness Impact on Boundary Layer Transition and Loss Mechanisms Over a Flat-Plate Under a Low-Pressure Turbine Pressure Gradient
Click here to open pdf in another window PDF for Surface Roughness Impact on Boundary Layer Transition and Loss Mechanisms Over a Flat-Plate Under a Low-Pressure Turbine Pressure Gradient
Topics: Boundary layers, Surface roughness, Momentum, Turbulence, Shear stress, Turbines
Journal Articles

A Comparison of Volume of Fluid and Euler–Euler Approaches in Computational Fluid Dynamics Modeling of Two-Phase Flows With a Sharp Interface

Luc Bertolotti, Richard Jefferson Loveday, Stephen Ambrose, Evgenia Korsukova
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. December 2021, 143(12): 121005.
Paper No: TURBO-20-1253
DOI: https://doi.org/10.1115/1.4051554
Published Online: July 5, 2021
View Article titled, A Comparison of Volume of Fluid and Euler–Euler Approaches in Computational Fluid Dynamics Modeling of Two-Phase Flows With a Sharp Interface
Click here to open pdf in another window PDF for A Comparison of Volume of Fluid and Euler–Euler Approaches in Computational Fluid Dynamics Modeling of Two-Phase Flows With a Sharp Interface
Topics: Aircraft engines, Bearings, Computational fluid dynamics, Flow (Dynamics), Fluids, Large eddy simulation, Modeling, Turbulence, Two-phase flow, Simulation
Journal Articles

Effect of Blade Row Interaction on Rotor Film Cooling

J. Brind, G. Pullan
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. September 2020, 142(9): 091011.
Paper No: TURBO-20-1060
DOI: https://doi.org/10.1115/1.4047617
Published Online: August 25, 2020
View Article titled, Effect of Blade Row Interaction on Rotor Film Cooling
Click here to open pdf in another window PDF for Effect of Blade Row Interaction on Rotor Film Cooling
Topics: Blades, Boundary-value problems, Coolants, Cooling, Film cooling, Momentum, Pressure, Rotors, Turbines, Wakes
Journal Articles

Scaling Flat-Plate, Low-Temperature Adiabatic Effectiveness Results Using the Advective Capacity Ratio

Jacob P. Fischer, Luke J. McNamara, James L. Rutledge, Marc D. Polanka
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. August 2020, 142(8): 081010.
Paper No: TURBO-19-1124
DOI: https://doi.org/10.1115/1.4046544
Published Online: July 29, 2020
View Article titled, Scaling Flat-Plate, Low-Temperature Adiabatic Effectiveness Results Using the Advective Capacity Ratio
Click here to open pdf in another window PDF for Scaling Flat-Plate, Low-Temperature Adiabatic Effectiveness Results Using the Advective Capacity Ratio
Topics: Coolants, Density, Flat plates, Flow (Dynamics), Gases, Low temperature, Turbulence, Momentum, Specific heat, Film cooling
Journal Articles

Transonic Turbine Vane Endwall Film Cooling Using the Pressure-Sensitive Paint Measurement Technique

Chao-Cheng Shiau, Izzet Sahin, Izhar Ullah, Je-Chin Han, Alexander V. Mirzamoghadam, Ardeshir Riahi, Curtis Stimpson
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. August 2020, 142(8): 081004.
Paper No: TURBO-19-1273
DOI: https://doi.org/10.1115/1.4045990
Published Online: July 28, 2020
View Article titled, Transonic Turbine Vane Endwall Film Cooling Using the Pressure-Sensitive Paint Measurement Technique
Click here to open pdf in another window PDF for Transonic Turbine Vane Endwall Film Cooling Using the Pressure-Sensitive Paint Measurement Technique
Topics: Coolants, Film cooling, Flow (Dynamics), Mach number, Momentum, Pressure, Density, Turbines, Cooling, Cascades (Fluid dynamics)
Journal Articles

Theory of Non-Dimensional Groups in Film Effectiveness Studies

Francesco Ornano, Thomas Povey
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. April 2020, 142(4): 041002.
Paper No: TURBO-19-1075
DOI: https://doi.org/10.1115/1.4046277
Published Online: February 26, 2020
View Article titled, Theory of Non-Dimensional Groups in Film Effectiveness Studies
Click here to open pdf in another window PDF for Theory of Non-Dimensional Groups in Film Effectiveness Studies
Topics: Coolants, Density, Film cooling, Flow (Dynamics), Momentum, Specific heat, Temperature, Reynolds-averaged Navier–Stokes equations, Shear (Mechanics), Cooling
Journal Articles

The Role of Tip Leakage Flow in Spike-Type Rotating Stall Inception

M. Hewkin-Smith, G. Pullan, S. D. Grimshaw, E. M. Greitzer, Z. S. Spakovszky
Journal: Journal of Turbomachinery
Article Type: Research-Article
J. Turbomach. June 2019, 141(6): 061010.
Paper No: TURBO-18-1342
DOI: https://doi.org/10.1115/1.4042250
Published Online: February 8, 2019
View Article titled, The Role of Tip Leakage Flow in Spike-Type Rotating Stall Inception
Click here to open pdf in another window PDF for The Role of Tip Leakage Flow in Spike-Type Rotating Stall Inception
Topics: Chords (Trusses), Clearances (Engineering), Flow (Dynamics), Leakage flows, Rotors, Separation (Technology), Corners (Structural elements), Leakage, Momentum, Stall inception
Journal Articles

Flow Statistics and Visualization of Multirow Film Cooling Boundary Layers Emanating From Cylindrical and Diffuser Shaped Holes

Justin Hodges, Craig P. Fernandes, Erik Fernandez, Jayanta S. Kapat
Journal: Journal of Turbomachinery
Article Type: Research-Article
J. Turbomach. June 2019, 141(6): 061005.
Paper No: TURBO-18-1283
DOI: https://doi.org/10.1115/1.4041867
Published Online: January 21, 2019
View Article titled, Flow Statistics and Visualization of Multirow Film Cooling Boundary Layers Emanating From Cylindrical and Diffuser Shaped Holes
Click here to open pdf in another window PDF for Flow Statistics and Visualization of Multirow Film Cooling Boundary Layers Emanating From Cylindrical and Diffuser Shaped Holes
Topics: Boundary layers, Diffusers, Film cooling, Flow (Dynamics), Geometry, Jets, Turbulence, Particulate matter, Temperature, Calibration
Journal Articles

The Effects of Combustor Cooling Features on Nozzle Guide Vane Film Cooling Experiments

Nicholas E. Holgate, Peter T. Ireland, Eduardo Romero
Journal: Journal of Turbomachinery
Article Type: Research-Article
J. Turbomach. January 2019, 141(1): 011005.
Paper No: TURBO-18-1217
DOI: https://doi.org/10.1115/1.4041467
Published Online: October 18, 2018
View Article titled, The Effects of Combustor Cooling Features on Nozzle Guide Vane Film Cooling Experiments
Click here to open pdf in another window PDF for The Effects of Combustor Cooling Features on Nozzle Guide Vane Film Cooling Experiments
Topics: Calibration, Combustion chambers, Coolants, Cooling, Film cooling, Flow (Dynamics), Gates (Closures), Nozzle guide vanes, Temperature, Temperature profiles
Journal Articles

Stability Enhancement With Self-Recirculating Injection in Axial Flow Compressor

Jichao Li, Juan Du, Zhiyuan Li, Feng Lin
Journal: Journal of Turbomachinery
Article Type: Research-Article
J. Turbomach. July 2018, 140(7): 071001.
Paper No: TURBO-16-1208
DOI: https://doi.org/10.1115/1.4039806
Published Online: May 10, 2018
View Article titled, Stability Enhancement With Self-Recirculating Injection in Axial Flow Compressor
Click here to open pdf in another window PDF for Stability Enhancement With Self-Recirculating Injection in Axial Flow Compressor
Topics: Axial flow, Blades, Compressors, Flow (Dynamics), Leakage flows, Pressure, Stability, Rotors, Momentum, Stall inception
Journal Articles

Experimental and Computational Study of the Effect of Momentum-Flux Ratio on High-Pressure Nozzle Guide Vane Endwall Cooling Systems

Francesco Ornano, Thomas Povey
Journal: Journal of Turbomachinery
Article Type: Research-Article
J. Turbomach. December 2017, 139(12): 121002.
Paper No: TURBO-17-1100
DOI: https://doi.org/10.1115/1.4037756
Published Online: September 26, 2017
View Article titled, Experimental and Computational Study of the Effect of Momentum-Flux Ratio on High-Pressure Nozzle Guide Vane Endwall Cooling Systems
Click here to open pdf in another window PDF for Experimental and Computational Study of the Effect of Momentum-Flux Ratio on High-Pressure Nozzle Guide Vane Endwall Cooling Systems
Topics: Computational fluid dynamics, Coolants, Cooling, Flow (Dynamics), Momentum, Pressure, Engines, Film cooling, Nozzle guide vanes
Journal Articles

The Effect of a Meter-Diffuser Offset on Shaped Film Cooling Hole Adiabatic Effectiveness

Shane Haydt, Stephen Lynch, Scott Lewis
Journal: Journal of Turbomachinery
Article Type: Research-Article
J. Turbomach. September 2017, 139(9): 091012.
Paper No: TURBO-16-1299
DOI: https://doi.org/10.1115/1.4036199
Published Online: May 2, 2017
View Article titled, The Effect of a Meter-Diffuser Offset on Shaped Film Cooling Hole Adiabatic Effectiveness
Click here to open pdf in another window PDF for The Effect of a Meter-Diffuser Offset on Shaped Film Cooling Hole Adiabatic Effectiveness
Topics: Coolants, Diffusers, Film cooling, Temperature, Computational fluid dynamics, Momentum, Cooling
Journal Articles

Experimentally Measured Effects of Incidence Angle on the Adiabatic and Overall Effectiveness of a Fully Cooled Turbine Airfoil With Shaped Showerhead Holes

Kyle Chavez, Thomas N. Slavens, David Bogard
Journal: Journal of Turbomachinery
Article Type: Research-Article
J. Turbomach. September 2017, 139(9): 091007.
Paper No: TURBO-17-1013
DOI: https://doi.org/10.1115/1.4036200
Published Online: April 19, 2017
View Article titled, Experimentally Measured Effects of Incidence Angle on the Adiabatic and Overall Effectiveness of a Fully Cooled Turbine Airfoil With Shaped Showerhead Holes
Click here to open pdf in another window PDF for Experimentally Measured Effects of Incidence Angle on the Adiabatic and Overall Effectiveness of a Fully Cooled Turbine Airfoil With Shaped Showerhead Holes
Topics: Airfoils, Coolants, Film cooling, Momentum, Pressure, Turbines, Flow (Dynamics), Temperature, Suction