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Journal Articles

Impact of Turbine-Strut Clocking and Turbine Outlet Swirl on the Heat Transfer and Film Cooling in an Aggressive Turbine Center Frame

Patrick R. Jagerhofer, Tobias Glasenapp, Bastian Patzer, Emil Göttlich
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. February 2025, 147(2): 021006.
Paper No: TURBO-24-1202
https://doi.org/10.1115/1.4066408
Published Online: October 8, 2024
View Article titled, Impact of Turbine-Strut Clocking and Turbine Outlet Swirl on the Heat Transfer and Film Cooling in an Aggressive Turbine Center Frame
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Topics: Film cooling, Flow (Dynamics), Heat transfer, Heat transfer coefficients, Pressure, Struts (Engineering), Turbines, Vorticity
Journal Articles

On the Secondary Flow System of an Aggressive Inter Compressor Duct

S. Fritz, T. Dygutsch, A. Kasper, A. Hergt, S. Grund, J. Flamm, M. Lejon, H. Sahota
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. October 2024, 146(10): 101005.
Paper No: TURBO-23-1229
https://doi.org/10.1115/1.4065242
Published Online: May 8, 2024
View Article titled, On the Secondary Flow System of an Aggressive Inter Compressor Duct
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Topics: Compressors, Ducts, Flow (Dynamics), Pressure, Separation (Technology), Boundary layers, Vortices, Design, Struts (Engineering), Fluids
Journal Articles

Experimental Investigation of the Effect of Bleed on the Aerodynamics of a Low-Pressure Compressor Stage in a Turbofan Engine

Apostolos Spanelis, Paul A. Denman, Ian Mariah, A. Duncan Walker
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. March 2024, 146(3): 031013.
Paper No: TURBO-23-1181
https://doi.org/10.1115/1.4064084
Published Online: December 14, 2023
View Article titled, Experimental Investigation of the Effect of Bleed on the Aerodynamics of a Low-Pressure Compressor Stage in a Turbofan Engine
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Topics: Compressors, Design, Ducts, Engines, Flow (Dynamics), Pressure, Rotors, Struts (Engineering), Turbofans, Aerodynamics
Journal Articles

Heat Transfer and Film Cooling in an Aggressive Turbine Center Frame

Patrick R. Jagerhofer, Tobias Glasenapp, Bastian Patzer, Emil Göttlich
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. December 2023, 145(12): 121012.
Paper No: TURBO-23-1177
https://doi.org/10.1115/1.4063515
Published Online: October 19, 2023
View Article titled, Heat Transfer and Film Cooling in an Aggressive Turbine Center Frame
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Topics: Cavities, Film cooling, Flow (Dynamics), Heat transfer, Turbines, Struts (Engineering), Pressure, Cooling, Heat transfer coefficients
Journal Articles

Investigation of the Flow Field and the Pressure Recovery in a Gas Turbine Exhaust Diffuser at Design, Part-Load, and Over-Load Conditions

Maximilian Bauer, Simon Hummel, Markus Schatz, Martin Kegalj, Damian M. Vogt
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. August 2022, 144(8): 081010.
Paper No: TURBO-20-1269
https://doi.org/10.1115/1.4053836
Published Online: March 4, 2022
View Article titled, Investigation of the Flow Field and the Pressure Recovery in a Gas Turbine Exhaust Diffuser at Design, Part-Load, and Over-Load Conditions
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Topics: Computational fluid dynamics, Design, Diffusers, Flow (Dynamics), Pressure, Stress, Gas turbines, Struts (Engineering), Wakes, Separation (Technology)
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

An Experimental, Aerodynamic Evaluation of Design Choices for a Low-Pressure Compressor Transition Duct

A. Duncan Walker, Ian Mariah, Chris Hall
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. September 2021, 143(9): 091004.
Paper No: TURBO-20-1386
https://doi.org/10.1115/1.4050598
Published Online: May 3, 2021
View Article titled, An Experimental, Aerodynamic Evaluation of Design Choices for a Low-Pressure Compressor Transition Duct
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Topics: Compressors, Design, Ducts, Flow (Dynamics), Pressure, Struts (Engineering), Rotors
Journal Articles

Super Aggressive S-Ducts for Air Breathing Rocket Engines

J. V. Taylor, F. Flanagan, A. Dunlop, S. D. Grimshaw, R. J. Miller
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. June 2021, 143(6): 061015.
Paper No: TURBO-20-1317
https://doi.org/10.1115/1.4050596
Published Online: April 27, 2021
View Article titled, Super Aggressive S-Ducts for Air Breathing Rocket Engines
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Topics: Design, Ducts, Flow (Dynamics), Struts (Engineering), Blades, Computational fluid dynamics
Journal Articles

A Sector-Cascade Test Rig for Measurements of Heat Transfer in Turbine Center Frames

Patrick R. Jagerhofer, Marios Patinios, Gerhard Erlacher, Tobias Glasenapp, Emil Göttlich, Federica Farisco
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. July 2021, 143(7): 071015.
Paper No: TURBO-20-1341
https://doi.org/10.1115/1.4050432
Published Online: April 21, 2021
View Article titled, A Sector-Cascade Test Rig for Measurements of Heat Transfer in Turbine Center Frames
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Topics: Film cooling, Flow (Dynamics), Heat transfer, Heat transfer coefficients, Temperature, Turbines, Struts (Engineering), Cavities, Cascades (Fluid dynamics), Pressure
Journal Articles

Impact of Turbine-Strut Clocking on the Performance of a Turbine Center Frame

P. Z. Sterzinger, F. Merli, A. Peters, S. Behre, F. Heitmeir, E. Göttlich
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. May 2021, 143(5): 051011.
Paper No: TURBO-20-1267
https://doi.org/10.1115/1.4050145
Published Online: April 13, 2021
View Article titled, Impact of Turbine-Strut Clocking on the Performance of a Turbine Center Frame
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Topics: Flow (Dynamics), Pressure, Struts (Engineering), Turbines, Ducts, Computational fluid dynamics
Journal Articles

Aerodynamic Performance of Turbine Center Frames With Purge Flows—Part I: The Influence of Turbine Purge Flow Rates

Stefan Zerobin, Andreas Peters, Sabine Bauinger, Ashwini Bhadravati Ramesh, Michael Steiner, Franz Heitmeir, Emil Göttlich
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. May 2018, 140(6): 061009.
Paper No: TURBO-17-1223
https://doi.org/10.1115/1.4039362
Published Online: May 3, 2018
View Article titled, Aerodynamic Performance of Turbine Center Frames With Purge Flows—Part I: The Influence of Turbine Purge Flow Rates
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Topics: Flow (Dynamics), Pressure, Struts (Engineering), Turbines, Rotors, Cavities
Journal Articles

Development of a Turning Mid Turbine Frame With Embedded Design—Part I: Design and Steady Measurements

Rosario Spataro, Emil Göttlich, Davide Lengani, Christian Faustmann, Franz Heitmeir
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. July 2014, 136(7): 071008.
Paper No: TURBO-13-1194
https://doi.org/10.1115/1.4025949
Published Online: January 2, 2014
View Article titled, Development of a Turning Mid Turbine Frame With Embedded Design—Part I: Design and Steady Measurements
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Topics: Design, Flow (Dynamics), Pressure, Rotors, Struts (Engineering), Turbines, Ducts
Journal Articles

Development of a Turning Mid Turbine Frame With Embedded Design—Part II: Unsteady Measurements

Rosario Spataro, Emil Göttlich, Davide Lengani, Christian Faustmann, Franz Heitmeir
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. July 2014, 136(7): 071012.
Paper No: TURBO-13-1222
https://doi.org/10.1115/1.4025950
Published Online: January 2, 2014
View Article titled, Development of a Turning Mid Turbine Frame With Embedded Design—Part II: Unsteady Measurements
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Topics: Flow (Dynamics), Fluctuations (Physics), Pressure, Rotors, Turbines, Design, Blades, Struts (Engineering), Wakes
Journal Articles

Experimental Heat Transfer Investigation of an Aggressive Intermediate Turbine Duct

Carlos Arroyo Osso, T. Gunnar Johansson, Fredrik Wallin
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. September 2012, 134(5): 051026.
https://doi.org/10.1115/1.4004779
Published Online: May 24, 2012
View Article titled, Experimental Heat Transfer Investigation of an Aggressive Intermediate Turbine Duct
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Topics: Ducts, Flow (Dynamics), Heat transfer, Heat transfer coefficients, Struts (Engineering), Turbines, Pressure
Journal Articles

Aerodynamic Analysis of an Innovative Low Pressure Vane Placed in an s-Shape Duct

Sergio Lavagnoli, Tolga Yasa, Guillermo Paniagua, Lionel Castillon, Simone Duni
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. January 2012, 134(1): 011013.
https://doi.org/10.1115/1.4003241
Published Online: May 27, 2011
View Article titled, Aerodynamic Analysis of an Innovative Low Pressure Vane Placed in an s-Shape Duct
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Topics: Flow (Dynamics), Pressure, Rotors, Struts (Engineering), Turbines, Blades, Stators, Airfoils
Journal Articles

Optimization of Nonaxisymmetric Endwalls in Compressor S-Shaped Ducts

Edward M. J. Naylor, Cecilia Ortiz Dueñas, Robert J. Miller, Howard P. Hodson
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. January 2010, 132(1): 011011.
https://doi.org/10.1115/1.3103927
Published Online: September 17, 2009
View Article titled, Optimization of Nonaxisymmetric Endwalls in Compressor S-Shaped Ducts
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Topics: Design, Ducts, Optimization, Struts (Engineering), Pressure, Compressors, Separation (Technology), Flow (Dynamics), Corners (Structural elements)
Journal Articles

Shorten the Intermediate Turbine Duct Length by Applying an Integrated Concept

A. Marn, E. Göttlich, D. Cadrecha, H. P. Pirker
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. October 2009, 131(4): 041014.
https://doi.org/10.1115/1.3070578
Published Online: July 6, 2009
View Article titled, Shorten the Intermediate Turbine Duct Length by Applying an Integrated Concept
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Topics: Design, Ducts, Flow (Dynamics), Pressure, Struts (Engineering), Turbines, Mach number, Probes, Blades, Yaw
Journal Articles

A New Tailpipe Design for GE Frame-Type Gas Turbines to Substantially Lower Pressure Losses

Richard Golomb, Vivek Sahai, Dah Yu Cheng
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Technical Papers
J. Turbomach. January 2003, 125(1): 128–132.
https://doi.org/10.1115/1.1515335
Published Online: January 23, 2003
View Article titled, A New Tailpipe Design for GE Frame-Type Gas Turbines to Substantially Lower Pressure Losses
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Topics: Design, Exhaust systems, Flow (Dynamics), Gas turbines, Pressure, Turbulence, Flow separation, Turning vanes, Turbines, Noise (Sound)
Journal Articles

Design and Testing of Swept and Leaned Outlet Guide Vanes to Reduce Stator–Strut–Splitter Aerodynamic Flow Interactions

A. R. Wadia, P. N. Szucs, K. L. Gundy-Burlet
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. July 1999, 121(3): 416–427.
https://doi.org/10.1115/1.2841334
Published Online: July 1, 1999
View Article titled, Design and Testing of Swept and Leaned Outlet Guide Vanes to Reduce Stator–Strut–Splitter Aerodynamic Flow Interactions
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Topics: Aerodynamic flow, Design, Guide vanes, Stators, Struts (Engineering), Testing, Flow (Dynamics), Engines, Pressure, Stability
Journal Articles

The Effect of Inlet Boundary Layer Thickness on the Flow Within an Annular S-Shaped Duct

T. Sonoda, T. Arima, M. Oana
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. July 1999, 121(3): 626–634.
https://doi.org/10.1115/1.2841361
Published Online: July 1, 1999
View Article titled, The Effect of Inlet Boundary Layer Thickness on the Flow Within an Annular S-Shaped Duct
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Topics: Boundary layers, Ducts, Flow (Dynamics), Compressors, Pressure, Geometry, Struts (Engineering), Vortices, Design, Engines