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Journal Articles

IMPACT OF BLOWING AND DENSITY RATIO ON THE FILM COOLING AND HEAT TRANSFER IN AN AGGRESSIVE TURBINE CENTER FRAME

Accepted Manuscript
Patrick R. Jagerhofer, Tobias Glasenapp, Bastian Patzer, Emil Goettlich
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach.
Paper No: TURBO-24-1201
https://doi.org/10.1115/1.4066562
Published Online: September 16, 2024
View Article titled, IMPACT OF BLOWING AND DENSITY RATIO ON THE FILM COOLING AND HEAT TRANSFER IN AN AGGRESSIVE TURBINE CENTER FRAME
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Topics: Cavities, Density, Film cooling, Heat transfer, Turbines, Turbochargers
Journal Articles

Effects of Ribbed Crossflow Channel in a Turbine Blade on Film Cooling Performance of Diffusion Slot Holes with Various Cross Section Orientations

Jia-Jun Hu, Bai-Tao An
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. January 2025, 147(1): 011003.
Paper No: TURBO-23-1304
https://doi.org/10.1115/1.4066144
Published Online: September 3, 2024
View Article titled, Effects of Ribbed Crossflow Channel in a Turbine Blade on Film Cooling Performance of Diffusion Slot Holes with Various Cross Section Orientations
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Topics: Blades, Coolants, Diffusion (Physics), Discharge coefficient, Fans, Film cooling, Flow (Dynamics), Pressure, Rotors, Turbine blades
Journal Articles

An Investigation of Secondary Cooling Effect on the Endwall Surface With Vane Trailing Edge Coolant Injection

Xi Yang, Wenbin He, Jiang Lei, Ding Luo, Wenbin Chen, Xusheng Hao
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. January 2025, 147(1): 011004.
Paper No: TURBO-23-1312
https://doi.org/10.1115/1.4066147
Published Online: September 3, 2024
View Article titled, An Investigation of Secondary Cooling Effect on the Endwall Surface With Vane Trailing Edge Coolant Injection
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Topics: Coolants, Cooling, Density, Flow (Dynamics), Pressure
Journal Articles

Aerothermal Performance Robustness and Reliability Analysis of Turbine Blade Squealer Tip With Film Cooling

Ming Huang, Kaiyuan Zhang, Zhigang Li, Jun Li
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. November 2024, 146(11): 111011.
Paper No: TURBO-23-1088
https://doi.org/10.1115/1.4064081
Published Online: June 25, 2024
View Article titled, Aerothermal Performance Robustness and Reliability Analysis of Turbine Blade Squealer Tip With Film Cooling
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Topics: Algorithms, Blades, Clearances (Engineering), Cooling, Event history analysis, Film cooling, Flow (Dynamics), Heat flux, Heat transfer, Polynomials
Journal Articles

Measurements of Turbulence in Compressible Low-Density Flows at the Inlet of a Transonic Linear Cascade With and Without Unsteady Wakes

Giacomo Pastorino, Loris Simonassi, Gustavo Lopes, Elissavet Boufidi, Fabrizio Fontaneto, Sergio Lavagnoli
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. July 2024, 146(7): 071002.
Paper No: TURBO-23-1305
https://doi.org/10.1115/1.4064369
Published Online: February 26, 2024
View Article titled, Measurements of Turbulence in Compressible Low-Density Flows at the Inlet of a Transonic Linear Cascade With and Without Unsteady Wakes
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Topics: Calibration, Density, Flow (Dynamics), Fluctuations (Physics), Probes, Turbulence, Wire, Wakes, Cascades (Fluid dynamics), Pressure
Journal Articles

TPIV Experimental Investigation of Film Coolant-to-Mainstream Interaction From Shaped Cooling Holes With Various Inlet Geometries

Hanlin Wang, Lesley M. Wright
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. May 2024, 146(5): 051006.
Paper No: TURBO-23-1324
https://doi.org/10.1115/1.4064261
Published Online: January 16, 2024
View Article titled, TPIV Experimental Investigation of Film Coolant-to-Mainstream Interaction From Shaped Cooling Holes With Various Inlet Geometries
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Topics: Coolants, Cooling, Film cooling, Flow (Dynamics), Imaging, Momentum, Particulate matter, Turbulence, Vortices, Vorticity
Journal Articles

Analysis of Single-Blade Passage and Full Circumference Large-Eddy Simulations of Turbine Rim Seal Flows

Thomas Hösgen, Matthias Meinke, Wolfgang Schröder
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. April 2024, 146(4): 041002.
Paper No: TURBO-23-1239
https://doi.org/10.1115/1.4064086
Published Online: December 15, 2023
View Article titled, Analysis of Single-Blade Passage and Full Circumference Large-Eddy Simulations of Turbine Rim Seal Flows
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Topics: Blades, Flow (Dynamics), Rotors, Sealing (Process), Turbines, Wheels, Density, Large eddy simulation, Stators
Journal Articles

Impact of the Purge Flow Density Ratio on the Rim Sealing Effectiveness in Hot Gas Ingestion Measurements

L. Orsini, A. Picchi, B. Facchini, A. Bonini, L. Innocenti
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. February 2024, 146(2): 021002.
Paper No: TURBO-23-1188
https://doi.org/10.1115/1.4063755
Published Online: October 31, 2023
View Article titled, Impact of the Purge Flow Density Ratio on the Rim Sealing Effectiveness in Hot Gas Ingestion Measurements
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Topics: Carbon dioxide, Cavities, Density, Flow (Dynamics), Pressure, Rotors, Sealing (Process), Stators, Disks, Annulus
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

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
Publisher: ASME
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

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
Publisher: ASME
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

Adiabatic Effectiveness Measurements for a Baseline Shaped Film Cooling Hole

Robert P. Schroeder, Karen A. Thole
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. December 2022, 144(12): 121003.
Paper No: TURBO-22-1059
https://doi.org/10.1115/1.4055271
Published Online: September 15, 2022
View Article titled, Adiabatic Effectiveness Measurements for a Baseline Shaped Film Cooling Hole
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Topics: Cooling, Film cooling, Turbulence, Coolants, Density, Design
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
Publisher: ASME
Article Type: Research Papers
J. Turbomach. July 2022, 144(7): 071001.
Paper No: TURBO-21-1205
https://doi.org/10.1115/1.4053235
Published Online: February 24, 2022
View Article titled, The Influence of Purge Flow Parameters on Heat Transfer and Film Cooling in Turbine Center Frames
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Topics: Cavities, Film cooling, Flow (Dynamics), Heat transfer, Heat transfer coefficients, Struts (Engineering), Cooling, Turbines, Density, Heat flux
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
Publisher: ASME
Article Type: Research Papers
J. Turbomach. May 2022, 144(5): 051003.
Paper No: TURBO-21-1101
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
Open the 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 in another window
Topics: Coolants, Cooling, Density, Flow (Dynamics), Film cooling, Nozzle guide vanes, Heat transfer, Pressure, Computational fluid dynamics, Momentum
Journal Articles

Direct and Inverse Model for Single-Hole Film Cooling With Machine Learning

Haifeng Xing, Lei Luo, Wei Du, Songtao Wang
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. April 2022, 144(4): 041006.
Paper No: TURBO-21-1054
https://doi.org/10.1115/1.4052601
Published Online: November 5, 2021
View Article titled, Direct and Inverse Model for Single-Hole Film Cooling With Machine Learning
Open the PDF for Direct and Inverse Model for Single-Hole Film Cooling With Machine Learning in another window
Topics: Artificial neural networks, Design, Errors, Film cooling, Machine learning, Coolants, Computational fluid dynamics, Density, Turbulence, Modeling
Journal Articles

The Influence of Element Thermal Conductivity, Shape, and Density on Heat Transfer in a Rough Wall Turbulent Boundary Layer With Strong Pressure Gradients

Christoph Gramespacher, Holger Albiez, Matthias Stripf, Hans-Jörg Bauer
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. August 2021, 143(8): 081001.
Paper No: TURBO-20-1306
https://doi.org/10.1115/1.4050390
Published Online: April 21, 2021
View Article titled, The Influence of Element Thermal Conductivity, Shape, and Density on Heat Transfer in a Rough Wall Turbulent Boundary Layer With Strong Pressure Gradients
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Topics: Heat transfer, Surface roughness, Thermal conductivity, Turbulence, Density
Journal Articles

Upstream Film Cooling on the Contoured Endwall of a Transonic Turbine Vane in an Annular Cascade

Daniel A. Salinas, Izhar Ullah, Lesley M. Wright, Je-Chin Han, John W. McClintic, Daniel C. Crites, Ardeshir Riahi
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. June 2021, 143(6): 061012.
Paper No: TURBO-20-1301
https://doi.org/10.1115/1.4050357
Published Online: April 9, 2021
View Article titled, Upstream Film Cooling on the Contoured Endwall of a Transonic Turbine Vane in an Annular Cascade
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Topics: Cascades (Fluid dynamics), Coolants, Film cooling, Flow (Dynamics), Pressure, Mach number, Density, Cooling
Journal Articles

Assessment of MULTALL as Computational Fluid Dynamics Code for the Analysis of Tube-Axial Fans

Piero Danieli, Massimo Masi, Giovanni Delibra, Alessandro Corsini, Andrea Lazzaretto
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. July 2021, 143(7): 071005.
Paper No: TURBO-20-1338
https://doi.org/10.1115/1.4050445
Published Online: April 9, 2021
View Article titled, Assessment of MULTALL as Computational Fluid Dynamics Code for the Analysis of Tube-Axial Fans
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Topics: Computational fluid dynamics, Rotors, Turbulence, Fans, Density
Journal Articles

Numerical Assessment of Density Ratio and Mainstream Turbulence Effects on Leading-Edge Film Cooling: Heat and Mass Transfer Methods

S. Ravelli, H. Abdeh, G. Barigozzi
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. April 2021, 143(4): 041002.
Paper No: TURBO-20-1234
https://doi.org/10.1115/1.4049912
Published Online: March 22, 2021
View Article titled, Numerical Assessment of Density Ratio and Mainstream Turbulence Effects on Leading-Edge Film Cooling: Heat and Mass Transfer Methods
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Topics: Coolants, Film cooling, Turbulence, Density, Simulation, Pressure, Temperature, Engines, Jets, Cooling
Journal Articles

Probabilistic Finite Element Analysis of Cooled High-Pressure Turbine Blades—Part A: Holistic Description of Manufacturing Variability

Lars Högner, Matthias Voigt, Ronald Mailach, Marcus Meyer, Ulf Gerstberger
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. October 2020, 142(10): 101008.
Paper No: TURBO-20-1028
https://doi.org/10.1115/1.4047778
Published Online: September 15, 2020
View Article titled, Probabilistic Finite Element Analysis of Cooled High-Pressure Turbine Blades—Part A: Holistic Description of Manufacturing Variability
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Topics: Airfoils, Blades, Design, Electromagnetic scattering, Finite element analysis, Geometry, High pressure (Physics), Manufacturing, Measurement uncertainty, Optimization