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Journal Articles

High-Resolution Thermal Profiling of a Combustor in a Non-Dedicated Test Using Thermal History Coatings

David Peral, Ahmed Zaid, Christoph Benninghoven, Silvia Araguás-Rodríguez, David Kluß, Solon Karagiannopoulos, Robert Krewinkel, Jörg P. Feist
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. November 2022, 144(11): 111007.
Paper No: TURBO-21-1225
DOI: https://doi.org/10.1115/1.4054635
Published Online: July 21, 2022
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Topics: Coatings, Combustion chambers, Computational fluid dynamics, Flames, Temperature, Thermocouples, Calibration, Cooling, Resolution (Optics), Engines
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
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Topics: Cooling, Film cooling, Flow (Dynamics), Temperature, Turbulence, Momentum, Geometry, Vortices
Journal Articles

Effect of Spanwise Hole-to-Hole Spacing on Overall Cooling Effectiveness of Effusion Cooled Combustor Liners for a Swirl-Stabilized Can Combustor

Shoaib Ahmed, Benjamin H. Wahls, Srinath V. Ekkad, Hanjie Lee, Yin-Hsiang Ho
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. July 2022, 144(7): 071015.
Paper No: TURBO-21-1168
DOI: https://doi.org/10.1115/1.4054442
Published Online: May 27, 2022
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Topics: Combustion chambers, Cooling, Flow (Dynamics), Coolants, Temperature
Journal Articles

Influence of Vane Trailing Edge Flow on the Formation of Cavity Cells and Rim Sealing

Iván Monge-Concepción, Shawn Siroka, Reid A. Berdanier, Michael D. Barringer, Karen A. Thole, Christopher Robak
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. June 2022, 144(6): 061014.
Paper No: TURBO-21-1294
DOI: https://doi.org/10.1115/1.4054281
Published Online: May 10, 2022
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Topics: Cavities, Flow (Dynamics), Pressure, Sealing (Process), Turbines, Cooling, Temperature
Journal Articles

Flow Non-Uniformity and Secondary Flow Characteristics Within a Serpentine Cooling Channel of a Realistic Gas Turbine Blade

Seungchan Baek, Jaehyun Ryu, Myeonghwan Bang, Wontae Hwang
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. September 2022, 144(9): 091002.
Paper No: TURBO-21-1179
DOI: https://doi.org/10.1115/1.4053841
Published Online: March 4, 2022
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Topics: Flow (Dynamics), Cooling, Reynolds-averaged Navier–Stokes equations
Journal Articles

Effect of Coolant Crossflow on Film Cooling Effectiveness of Diffusion Slot Hole With and Without Ribs

Chen Li, Baitao An, Jianjun Liu
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. September 2022, 144(9): 091005.
Paper No: TURBO-20-1191
DOI: https://doi.org/10.1115/1.4053915
Published Online: March 4, 2022
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Topics: Coolants, Diffusion (Physics), Film cooling, Cooling, Pressure, Flow (Dynamics)
Journal Articles

Experimental and Computational Investigation of Integrated Internal and Film Cooling Designs Incorporating a Thermal Barrier Coating

Matthew J. Horner, Christopher Yoon, Michael Furgeson, Todd A. Oliver, David G. Bogard
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. September 2022, 144(9): 091001.
Paper No: TURBO-21-1147
DOI: https://doi.org/10.1115/1.4053840
Published Online: March 4, 2022
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Topics: Cooling, Film cooling, Thermal barrier coatings, Metals, Coolants, Flow (Dynamics)
Journal Articles

Machine Learning for the Development of Data-Driven Turbulence Closures in Coolant Systems

James Hammond, Francesco Montomoli, Marco Pietropaoli, Richard D. Sandberg, Vittorio Michelassi
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. August 2022, 144(8): 081003.
Paper No: TURBO-20-1174
DOI: https://doi.org/10.1115/1.4053533
Published Online: March 3, 2022
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Topics: Anisotropy, Design, Errors, Flow (Dynamics), Geometry, Heat transfer, Reynolds-averaged Navier–Stokes equations, Tensors, Testing, Turbulence
Journal Articles

Experimental and Numerical Study of the Turbulent Flow and Heat Transfer in a Wedge-Shaped Channel With Guiding Pin Fin Arrays Under Rotating Conditions

Ce Liang, Yu Rao, Jianian Chen, Peng Zhang
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. July 2022, 144(7): 071007.
Paper No: TURBO-21-1122
DOI: https://doi.org/10.1115/1.4053488
Published Online: February 25, 2022
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Topics: Cooling, Flow (Dynamics), Heat transfer, Reynolds number, Rotation, Wedges, Temperature
Journal Articles

The Influence of Purge Flow Parameters on Heat Transfer and Film Cooling in Turbine Center Frames

Patrick R. Jagerhofer, Marios Patinios, Tobias Glasenapp, Emil Göttlich, Federica Farisco
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. July 2022, 144(7): 071001.
Paper No: TURBO-21-1205
DOI: https://doi.org/10.1115/1.4053235
Published Online: February 24, 2022
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Topics: Cavities, Film cooling, Flow (Dynamics), Heat transfer, Heat transfer coefficients, Struts (Engineering), Cooling, Turbines, Density, Heat flux
Journal Articles

Cooling Performance of Additively Manufactured Pin Fins in Stacked Microchannels for the Inside-Out Ceramic Turbine Shroud-Cooling Ring

Patrick K. Dubois, Alexandre Landry-Blais, Rym Gazzah, Sani Sivić, Vladimir Brailovski, Mathieu Picard
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. July 2022, 144(7): 071004.
Paper No: TURBO-21-1219
DOI: https://doi.org/10.1115/1.4053232
Published Online: February 24, 2022
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Topics: Additive manufacturing, Cooling, Design, Fins, Flow (Dynamics), Friction, Heat transfer, Turbines, Ceramics, Pins (Engineering)
Journal Articles

Optimization of Rib Shape and Inclination in a Square Duct With Response Surface Methodology

Yigang Luan, Lanyi Yan, Yue Yin, Hao Fu
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. May 2022, 144(5): 051007.
Paper No: TURBO-21-1066
DOI: https://doi.org/10.1115/1.4052988
Published Online: January 13, 2022
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Topics: Flow (Dynamics), Friction, Heat transfer, Optimization, Response surface methodology, Reynolds number, Shapes, Ducts, Cooling, Computational fluid dynamics
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
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Topics: Combustion chambers, Coolants, Cooling, Film cooling, Flow (Dynamics), Heat transfer, Nozzle guide vanes, Vortices, Pressure, Design
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
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Topics: Coolants, Cooling, Density, Flow (Dynamics), Film cooling, Nozzle guide vanes, Heat transfer, Pressure, Computational fluid dynamics, Momentum
Journal Articles

Convection in Scaled Turbine Internal Cooling Passages With Additive Manufacturing Roughness

Gabriel J. Stafford, Stephen T. McClain, David R. Hanson, Robert F. Kunz, Karen A. Thole
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. April 2022, 144(4): 041008.
Paper No: TURBO-21-1182
DOI: https://doi.org/10.1115/1.4052524
Published Online: November 10, 2021
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Topics: Convection, Friction, Heat transfer, Surface roughness, Aluminum, Additive manufacturing, Cooling
Journal Articles

Endwall Heat Transfer and Cooling Performance of a Transonic Turbine Vane With Upstream Injection Flow

Zhigang Li, Bo Bai, Jun Li, Shuo Mao, Wing F. Ng, Hongzhou Xu, Michael Fox
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. April 2022, 144(4): 041004.
Paper No: TURBO-20-1300
DOI: https://doi.org/10.1115/1.4052457
Published Online: November 5, 2021
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Topics: Coolants, Cooling, Film cooling, Flow (Dynamics), Heat transfer, Computational fluid dynamics, Turbulence, Turbines, Heat transfer coefficients
Journal Articles

Comparison of Film Cooling Performance for Different Purge Slot Configurations in a Cylindrical and State-of-the-Art Nozzle Guide Vane

Christian Landfester, Gunther Müller, Robert Krewinkel, Clemens Domnick, Martin Böhle
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. March 2022, 144(3): 031014.
Paper No: TURBO-21-1154
DOI: https://doi.org/10.1115/1.4052456
Published Online: November 2, 2021
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Topics: Coolants, Film cooling, Flow (Dynamics), Nozzle guide vanes, Pressure, Probes, Design, Wakes, Cooling
Journal Articles

Heat Transfer Measurements for Array Jet Impingement With Castellated Wall

Taehyun Kim, Eui Yeop Jung, Minho Bang, Changyong Lee, Hee Koo Moon, Hyung Hee Cho
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. March 2022, 144(3): 031009.
Paper No: TURBO-21-1163
DOI: https://doi.org/10.1115/1.4052315
Published Online: October 5, 2021
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Topics: Flow (Dynamics), Heat, Heat transfer, Impingement cooling, Jets, Mass transfer, Reynolds number, Computational fluid dynamics, Cooling, Gas turbines
Journal Articles

Heat Transfer in a Rotating, Blade-Shaped, Two-Pass Cooling Channel With a Variable Aspect Ratio

I-Lun Chen, Izzet Sahin, Lesley M. Wright, Je-Chin Han, Robert Krewinkel
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. February 2022, 144(2): 021011.
Paper No: TURBO-21-1166
DOI: https://doi.org/10.1115/1.4052317
Published Online: October 1, 2021
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Topics: Blades, Cooling, Design, Flow (Dynamics), Heat transfer, Pressure, Reynolds number, Rotation, Exterior walls
Journal Articles

Detailed Velocity and Heat Transfer Measurements in an Advanced Gas Turbine Vane Insert Using Magnetic Resonance Velocimetry and Infrared Thermometry

Michael J. Benson, David Bindon, Mattias Cooper, F. Todd Davidson, Benjamin Duhaime, David Helmer, Robert Woodings, Bret P. Van Poppel, Christopher J. Elkins, John P. Clark
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. February 2022, 144(2): 021009.
Paper No: TURBO-21-1113
DOI: https://doi.org/10.1115/1.4052310
Published Online: September 29, 2021
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Topics: Cooling, Flow (Dynamics), Gas turbines, Heat transfer, Magnetic resonance, Temperature, Temperature measurement, Design, Steady state, Impingement cooling