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Journal Articles

Assessment of Additive Manufactured Micro-Channel Characteristics: Impact of Hydraulic Diameter Evaluation

Accepted Manuscript
Tommaso Bacci, Alessio Picchi, Niccolò Castelli, Bruno Facchini, Francesco Morante, Luca Innocenti
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach.
Paper No: TURBO-24-1181
https://doi.org/10.1115/1.4066700
Published Online: September 25, 2024
View Article titled, Assessment of Additive Manufactured Micro-Channel Characteristics: Impact of Hydraulic Diameter Evaluation
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Topics: Additive manufacturing, Heat transfer, Microchannels, Turbochargers, Cooling, Heat transfer coefficients, Pressure, Design, Film cooling, Fluids
Journal Articles

IMPACTS OF MATERIAL AND MACHINE ON THE VARIATION OF ADDITIVELY MANUFACTURED COOLING CHANNELS

Accepted Manuscript
Abbigail Altland, Thomas Corbett, Karen A. Thole
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach.
Paper No: TURBO-24-1178
https://doi.org/10.1115/1.4066580
Published Online: September 18, 2024
View Article titled, IMPACTS OF MATERIAL AND MACHINE ON THE VARIATION OF ADDITIVELY MANUFACTURED COOLING CHANNELS
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Topics: Additive manufacturing, Cooling, Heat transfer, Machinery, Turbochargers, Surface roughness, Computerized tomography, Cross section (Physics), Diamonds, Film cooling
Journal Articles

Impacts of Superalloys on the Surface Quality of Additively Manufactured Channels

Thomas M. Corbett, Karen A. Thole, Daniel Ryan, Sudhakar Bollapragada
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. August 2024, 146(8): 081003.
Paper No: TURBO-23-1213
https://doi.org/10.1115/1.4064468
Published Online: March 11, 2024
View Article titled, Impacts of Superalloys on the Surface Quality of Additively Manufactured Channels
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Topics: Additive manufacturing, Alloys, Cooling, Design, Flow (Dynamics), Friction, Heat transfer, Lasers, Nickel alloys, Pressure
Journal Articles

Validation of Filtered Rayleigh Scattering Optical Rake Measurement Techniques in Turbomachinery Applications and Boundary Layers

Sean W. Powers, Gwibo Byun, K. Todd Lowe
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. January 2024, 146(1): 011006.
Paper No: TURBO-23-1196
https://doi.org/10.1115/1.4063562
Published Online: October 25, 2023
View Article titled, Validation of Filtered Rayleigh Scattering Optical Rake Measurement Techniques in Turbomachinery Applications and Boundary Layers
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Topics: Boundary layers, Probes, Rayleigh scattering, Turbomachinery, Uncertainty, Temperature, Simulation, Lasers, Pressure, Resolution (Optics)
Journal Articles

Influences of Laser Incidence Angle and Wall Thickness on Additive Components

Alexander J. Wildgoose, Karen A. Thole
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Technical Briefs
J. Turbomach. October 2023, 145(10): 104501.
Paper No: TURBO-23-1040
https://doi.org/10.1115/1.4062678
Published Online: June 26, 2023
View Article titled, Influences of Laser Incidence Angle and Wall Thickness on Additive Components
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Topics: Cooling, Lasers, Surface roughness, Wall thickness
Journal Articles

Experimental Investigation of Flame-Film Cooling Interactions With an Academic Test Rig and Optical Laser Diagnostics

Sylvain Petit, Benjamin Quevreux, Romain Morin, Romain Guillot, Frédéric Grisch, Pradip Xavier
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. April 2023, 145(4): 041007.
Paper No: TURBO-22-1218
https://doi.org/10.1115/1.4055867
Published Online: November 7, 2022
View Article titled, Experimental Investigation of Flame-Film Cooling Interactions With an Academic Test Rig and Optical Laser Diagnostics
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Topics: Cooling, Flames, Lasers, Fluorescence, Phosphors, Temperature measurement
Journal Articles

Impacts of the Additive Manufacturing Process on the Roughness of Engine Scale Vanes and Cooling Channels

Alexander J. Wildgoose, Karen A. Thole, Ramesh Subramanian, Lisa Kersting, Anand Kulkarni
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. April 2023, 145(4): 041013.
Paper No: TURBO-22-1160
https://doi.org/10.1115/1.4055973
Published Online: November 7, 2022
View Article titled, Impacts of the Additive Manufacturing Process on the Roughness of Engine Scale Vanes and Cooling Channels
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Topics: Surface roughness, Cooling, Wall thickness, Machinery, Lasers
Journal Articles

Particle Image Velocimetry in a High-Speed Short-Duration Turbine Rig

Mizuki Okada, Jorge Pinho, Bogdan Cernat, Sergio Lavagnoli
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. February 2023, 145(2): 021006.
Paper No: TURBO-22-1174
https://doi.org/10.1115/1.4055502
Published Online: October 12, 2022
View Article titled, Particle Image Velocimetry in a High-Speed Short-Duration Turbine Rig
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Topics: Flow (Dynamics), Particulate matter, Rotors, Turbines, Lasers, Blades, Reynolds-averaged Navier–Stokes equations, Probes, Testing, Synchronization
Journal Articles

Development of a Lifetime Pressure Sensitive Paint Procedure for High-Pressure Vane Testing

Papa Aye N. Aye-Addo, Guillermo Paniagua, David G. Cuadrado, Lakshya Bhatnagar, Antonio Castillo Sauca, James Braun, Mateo Gomez, Terrence Meyer, Matthew Bloxham
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. May 2022, 144(5): 051005.
Paper No: TURBO-21-1156
https://doi.org/10.1115/1.4052739
Published Online: January 13, 2022
View Article titled, Development of a Lifetime Pressure Sensitive Paint Procedure for High-Pressure Vane Testing
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Topics: Pressure, Lasers, Paints, Calibration
Journal Articles

Microstructure of IN738LC Fabricated Using Laser Powder Bed Fusion Additive Manufacturing

Nandana Menon, Tanjheel Hasan Mahdi, Amrita Basak
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. March 2022, 144(3): 031011.
Paper No: TURBO-21-1177
https://doi.org/10.1115/1.4052404
Published Online: October 18, 2021
View Article titled, Microstructure of IN738LC Fabricated Using Laser Powder Bed Fusion Additive Manufacturing
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Topics: Additive manufacturing, Electron backscatter diffraction, Lasers, Nickel, Superalloys, Optical microscopy, Scanning electron microscopy, X-ray diffraction, Alloys, Fracture (Materials)
Journal Articles

Volumetric Velocimetry Measurements of Purge–Mainstream Interaction in a One-Stage Turbine

A. J. Carvalho Figueiredo, B. D. J. Schreiner, A. W. Mesny, O. J. Pountney, J. A. Scobie, Y. S. Li, D. J. Cleaver, C. M. Sangan
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. April 2021, 143(4): 041011.
Paper No: TURBO-20-1273
https://doi.org/10.1115/1.4050072
Published Online: March 24, 2021
View Article titled, Volumetric Velocimetry Measurements of Purge–Mainstream Interaction in a One-Stage Turbine
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Topics: Blades, Flow (Dynamics), Turbines, Vortices, Lasers
Journal Articles

Scalable Heat Transfer Characterization on Film Cooled Geometries Based on Discrete Green’s Functions

Jorge Saavedra, Venkat Athmanathan, Guillermo Paniagua, Terrence Meyer, Doug Straub, James Black, Sridharan Ramesh
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. February 2021, 143(2): 021005.
Paper No: TURBO-20-1226
https://doi.org/10.1115/1.4049613
Published Online: February 1, 2021
View Article titled, Scalable Heat Transfer Characterization on Film Cooled Geometries Based on Discrete Green’s Functions
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Topics: Flat plates, Heat flux, Heat transfer, Temperature, Wall temperature, Flow (Dynamics), Errors, Heat, Boundary-value problems, Simulation
Journal Articles

Wall Temperature Measurements in a Full-Scale Gas Turbine Combustor Test Rig With Fiber Coupled Phosphor Thermometry

Patrick Nau, Simon Görs, Christoph Arndt, Benjamin Witzel, Torsten Endres
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. January 2021, 143(1): 011007.
Paper No: TURBO-20-1229
https://doi.org/10.1115/1.4049104
Published Online: December 28, 2020
View Article titled, Wall Temperature Measurements in a Full-Scale Gas Turbine Combustor Test Rig With Fiber Coupled Phosphor Thermometry
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Topics: Combustion chambers, Emissions, Fibers, Gas turbines, Lasers, Phosphors, Probes, Signals, Temperature, Temperature measurement
Journal Articles

Experimental Investigation on Additively Manufactured Transpiration and Film Cooling Structures

Zheng Min, Gan Huang, Sarwesh Narayan Parbat, Li Yang, Minking K. Chyu
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. March 2019, 141(3): 031009.
Paper No: TURBO-18-1290
https://doi.org/10.1115/1.4042009
Published Online: January 16, 2019
View Article titled, Experimental Investigation on Additively Manufactured Transpiration and Film Cooling Structures
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Topics: Additive manufacturing, Coolants, Cooling, Film cooling, Flow (Dynamics), Porosity, Transpiration, Heat transfer, Metals, Manufacturing
Journal Articles

Quantifying Blowing Ratio for Shaped Cooling Holes

D. J. Cerantola, A. M. Birk
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. February 2018, 140(2): 021008.
Paper No: TURBO-17-1159
https://doi.org/10.1115/1.4038277
Published Online: December 6, 2017
View Article titled, Quantifying Blowing Ratio for Shaped Cooling Holes
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Topics: Cooling, Film cooling, Flow (Dynamics), Geometry, Turbulence, Computational fluid dynamics, Pressure, Shapes, Design, Coolants
Journal Articles

Laboratory Infrared Thermal Assessment of Laser-Sintered High-Pressure Nozzle Guide Vanes to Derisk Engine Design Programs

Benjamin Kirollos, Thomas Povey
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. April 2017, 139(4): 041009.
Paper No: TURBO-16-1173
https://doi.org/10.1115/1.4035074
Published Online: January 18, 2017
View Article titled, Laboratory Infrared Thermal Assessment of Laser-Sintered High-Pressure Nozzle Guide Vanes to Derisk Engine Design Programs
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Topics: Calibration, Coolants, Cooling, Engines, Flow (Dynamics), Lasers, Temperature, Pressure, Heat transfer, Emissivity
Journal Articles

A New Particle Image Velocimetry Technique for Turbomachinery Applications

Sayantan Bhattacharya, Reid A. Berdanier, Pavlos P. Vlachos, Nicole L. Key
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Technical Briefs
J. Turbomach. December 2016, 138(12): 124501.
Paper No: TURBO-15-1164
https://doi.org/10.1115/1.4033672
Published Online: June 1, 2016
View Article titled, A New Particle Image Velocimetry Technique for Turbomachinery Applications
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Topics: Blades, Compressors, Flow (Dynamics), Lasers, Leakage flows, Particulate matter, Rotors, Turbomachinery, Probes, Design
Journal Articles

Build Direction Effects on Additively Manufactured Channels

Jacob C. Snyder, Curtis K. Stimpson, Karen A. Thole, Dominic Mongillo
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. May 2016, 138(5): 051006.
Paper No: TURBO-15-1262
https://doi.org/10.1115/1.4032168
Published Online: January 20, 2016
View Article titled, Build Direction Effects on Additively Manufactured Channels
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Topics: Additive manufacturing, Friction, Heat transfer, Shapes, Surface roughness, Pressure, Design, Gas turbines, Manufacturing, Flow (Dynamics)
Journal Articles

Recent Advances in Manufacturing of Riblets on Compressor Blades and Their Aerodynamic Impact

Christoph Lietmeyer, Berend Denkena, Thomas Krawczyk, Rainer Kling, Ludger Overmeyer, Bodo Wojakowski, Eduard Reithmeier, Renke Scheuer, Taras Vynnyk, Joerg R. Seume
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. July 2013, 135(4): 041008.
Paper No: TURBO-12-1136
https://doi.org/10.1115/1.4007590
Published Online: June 3, 2013
View Article titled, Recent Advances in Manufacturing of Riblets on Compressor Blades and Their Aerodynamic Impact
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Topics: Blades, Compressors, Geometry, Grinding, Lasers, Manufacturing, Shear stress, Grinding wheels, Metals, Shapes
Journal Articles

Optimal Application of Riblets on Compressor Blades and Their Contamination Behavior

Christoph Lietmeyer, Karsten Oehlert, Joerg R. Seume
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. January 2013, 135(1): 011036.
Paper No: TURBO-11-1155
https://doi.org/10.1115/1.4006518
Published Online: October 31, 2012
View Article titled, Optimal Application of Riblets on Compressor Blades and Their Contamination Behavior
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Topics: Blades, Compressors, Contamination, Flow (Dynamics), Pressure, Suction, Cascades (Fluid dynamics), Dust, Lasers, Geometry