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Journal Articles

Optimization of Low-Pressure Turbine Blade by Means of Fine Inspection of Loss Production Mechanisms

Accepted Manuscript
Matteo Russo, Andrea Carlucci, Matteo Dellacasagrande, Daniele Petronio, Davide Lengani, Daniele Simoni, Juri Bellucci, Matteo Giovannini, Angelo Alberto Granata, Monica Gily, Carlotta Manca
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach.
Paper No: TURBO-24-1304
https://doi.org/10.1115/1.4066818
Published Online: October 9, 2024
View Article titled, Optimization of Low-Pressure Turbine Blade by Means of Fine Inspection of Loss Production Mechanisms
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Topics: Boundary layers, Design, Inspection, Optimization, Pressure, Turbine blades, Turbochargers, Blades, Wakes, Computational fluid dynamics
Journal Articles

Understanding Unsteady Vortex Structure and Shedding Frequency of Cylindrical Hole Film Cooling: Insights From Experimental and Numerical Approaches

Qiong Wu, Hualiang Zhang, Zhao Yin, Afei Gao, Yu Liu, Yujie Xu, Haisheng Chen
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. February 2025, 147(2): 021003.
Paper No: TURBO-24-1033
https://doi.org/10.1115/1.4066273
Published Online: September 10, 2024
View Article titled, Understanding Unsteady Vortex Structure and Shedding Frequency of Cylindrical Hole Film Cooling: Insights From Experimental and Numerical Approaches
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Topics: Coolants, Film cooling, Flow (Dynamics), Vortices
Journal Articles

Aerothermal Performance of Slashface Leakage With Double Surface Angle Under Realistic Swirling Inflow

Zhiyu Li, Kaiyuan Zhang, Zhigang Li, Jun Li
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. January 2025, 147(1): 011011.
Paper No: TURBO-24-1162
https://doi.org/10.1115/1.4066272
Published Online: September 3, 2024
View Article titled, Aerothermal Performance of Slashface Leakage With Double Surface Angle Under Realistic Swirling Inflow
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Topics: Cascades (Fluid dynamics), Coolants, Design, Film cooling, Flow (Dynamics), Heat transfer, Inflow, Leakage, Pressure, Swirling flow
Journal Articles

Vortex Lattice Method Investigation of Tip-Leakage Flow

Christophe Montsarrat, Jérôme Boudet
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. December 2024, 146(12): 121009.
Paper No: TURBO-24-1037
https://doi.org/10.1115/1.4065897
Published Online: August 6, 2024
View Article titled, Vortex Lattice Method Investigation of Tip-Leakage Flow
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Topics: Leakage, Vortices, Flow (Dynamics), Blades
Journal Articles

Aerodynamic Impact of Secondary Air Injection Flowrates on the Main Annulus Flow Field for a Transonic High-Pressure Turbine Stage

Yoji Okita, Junichi Kazawa, Takashi Yamane, Nozomi Tanaka, Kazutaka Fuchigami, Hiroki Sato, Masaaki Hamabe, Haruyuki Tanimitsu
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. December 2024, 146(12): 121007.
Paper No: TURBO-23-1183
https://doi.org/10.1115/1.4065907
Published Online: July 23, 2024
View Article titled, Aerodynamic Impact of Secondary Air Injection Flowrates on the Main Annulus Flow Field for a Transonic High-Pressure Turbine Stage
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Topics: Annulus, Coolants, Design, Flow (Dynamics), Rotors, Turbines, Blades, Vortices, Pressure, Temperature
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

Unsteady Interaction Between Purge Flow and Secondary Flow in High-Lift Low-Pressure Turbine

Xiao Qu, Meng Wu, Yanfeng Zhang, Xingen Lu, Liunan Li, Yuyan Jiang, Junqiang Zhu
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. November 2024, 146(11): 111005.
Paper No: TURBO-23-1352
https://doi.org/10.1115/1.4065566
Published Online: June 7, 2024
View Article titled, Unsteady Interaction Between Purge Flow and Secondary Flow in High-Lift Low-Pressure Turbine
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Topics: Blades, Flow (Dynamics), Pressure, Wakes, Vortices, Turbines
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

Action Mechanism of Film Extraction on Channel Impingement Cooling for Blade Leading Edge Using Large Eddy Simulation

Huihui Wang, Xiying Niu, Qinghua Deng, Zhenping Feng
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. October 2024, 146(10): 101010.
Paper No: TURBO-24-1012
https://doi.org/10.1115/1.4065396
Published Online: May 8, 2024
View Article titled, Action Mechanism of Film Extraction on Channel Impingement Cooling for Blade Leading Edge Using Large Eddy Simulation
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Topics: Blades, Coolants, Cooling, Flow (Dynamics), Heat transfer, Impingement cooling, Large eddy simulation, Vortices, Pressure, Film cooling
Journal Articles

Endwall Contouring for Improving Aerodynamic Performance in a High-Pressure Turbine Cascade

Zhengshuai Du, Le Cai, Yingjie Chen, Songtao Wang, Hongfei Tang, Jun Zeng
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. October 2024, 146(10): 101001.
Paper No: TURBO-23-1296
https://doi.org/10.1115/1.4065260
Published Online: April 16, 2024
View Article titled, Endwall Contouring for Improving Aerodynamic Performance in a High-Pressure Turbine Cascade
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Topics: Cascades (Fluid dynamics), Flow (Dynamics), Pressure, Vortices, Turbines, Computational fluid dynamics, Blades, Boundary layers
Journal Articles

Experimental Investigation of Tip Design Effects on the Unsteady Aerodynamics and Heat Transfer of a High-Speed Turbine

Bogdan C. Cernat, Sergio Lavagnoli
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. September 2024, 146(9): 091008.
Paper No: TURBO-20-1377
https://doi.org/10.1115/1.4050443
Published Online: April 8, 2024
View Article titled, Experimental Investigation of Tip Design Effects on the Unsteady Aerodynamics and Heat Transfer of a High-Speed Turbine
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Topics: Blades, Flow (Dynamics), Heat transfer, Pressure, Rotors, Turbines, Heat flux, Design, Vortices
Journal Articles

Purge–Mainstream Interactions in a Turbine Stage With Rotor Endwall Contouring

Alex W. Mesny, Oliver J. Pountney, James A. Scobie, Yan Sheng Li, Carl M. Sangan
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. September 2024, 146(9): 091007.
Paper No: TURBO-23-1332
https://doi.org/10.1115/1.4064843
Published Online: April 5, 2024
View Article titled, Purge–Mainstream Interactions in a Turbine Stage With Rotor Endwall Contouring
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Topics: Flow (Dynamics), Rotors, Turbines, Blades, Vortices
Journal Articles

Numerical Characterization of Prestall Disturbances in a Compressor Stage

Victor Bicalho Civinelli de Almeida, Ergin Tüzüner, Mario Eck, Dieter Peitsch
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. August 2024, 146(8): 081009.
Paper No: TURBO-23-1156
https://doi.org/10.1115/1.4064993
Published Online: April 4, 2024
View Article titled, Numerical Characterization of Prestall Disturbances in a Compressor Stage
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Topics: Blades, Clearances (Engineering), Compressors, Flow (Dynamics), Pressure, Probes, Rotors, Vortices
Journal Articles

Prediction of the Influence of the Inlet End-Wall Boundary Layer on the Secondary Flow of a Low Pressure Turbine Airfoil Using RANS and Large-Eddy Simulations

Fernando Gisbert, David Cadrecha, Patxi Apoita
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. September 2024, 146(9): 091001.
Paper No: TURBO-23-1111
https://doi.org/10.1115/1.4065026
Published Online: April 4, 2024
View Article titled, Prediction of the Influence of the Inlet End-Wall Boundary Layer on the Secondary Flow of a Low Pressure Turbine Airfoil Using RANS and Large-Eddy Simulations
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Topics: Boundary layers, Flow (Dynamics), Pressure, Reynolds-averaged Navier–Stokes equations, Simulation, Turbulence, Large eddy simulation, Vortices, Blades, Turbines
Journal Articles

Analysis of Ingress Into the Downstream Wheel Space of a 1.5-Stage Turbine By Full Circumference and Single Blade Passage Large-Eddy Simulations

Thomas Hösgen, Matthias Meinke, Wolfgang Schröder
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. September 2024, 146(9): 091006.
Paper No: TURBO-23-1343
https://doi.org/10.1115/1.4065129
Published Online: April 4, 2024
View Article titled, Analysis of Ingress Into the Downstream Wheel Space of a 1.5-Stage Turbine By Full Circumference and Single Blade Passage Large-Eddy Simulations
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Topics: Blades, Flow (Dynamics), Rotors, Stators, Turbines, Wheels, Large eddy simulation, Annulus, Pressure, Sealing (Process)
Journal Articles

Numerical Investigation of the Interaction of a Circumferential Groove Casing Treatment and Near-Tip Modifications for a Highly Loaded Low-Speed Rotor Under the Influence of Double Leakage

Jannik Eckel, Lukas Reisinger, Philipp von Jeinsen, Volker Gümmer
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. July 2024, 146(7): 071001.
Paper No: TURBO-23-1211
https://doi.org/10.1115/1.4063756
Published Online: February 26, 2024
View Article titled, Numerical Investigation of the Interaction of a Circumferential Groove Casing Treatment and Near-Tip Modifications for a Highly Loaded Low-Speed Rotor Under the Influence of Double Leakage
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Topics: Blades, Design, Dimensions, Flow (Dynamics), Fluids, Pressure, Rotors, Stability, Vortices, Leakage
Journal Articles

A New Multi-Stage Turbine Stator Design for Improved Performance Retention

Heather K. Jameson, John P. Longley
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. June 2024, 146(6): 061006.
Paper No: TURBO-23-1269
https://doi.org/10.1115/1.4064285
Published Online: January 29, 2024
View Article titled, A New Multi-Stage Turbine Stator Design for Improved Performance Retention
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Topics: Flow (Dynamics), Rotors, Stators, Vortices, Leakage flows, Leakage, Separation (Technology), Pressure, Vorticity
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

Effects of Downstream Vortex Generators on Film Cooling a Flat Plate Fed by Crossflow

Douglas Straub, Justin Weber, Arnab Roy, Chien-Shing Lee, Tom I-P. Shih
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. May 2024, 146(5): 051011.
Paper No: TURBO-23-1244
https://doi.org/10.1115/1.4064316
Published Online: January 16, 2024
View Article titled, Effects of Downstream Vortex Generators on Film Cooling a Flat Plate Fed by Crossflow
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Topics: Computational fluid dynamics, Coolants, Cooling, Film cooling, Vortices, Generators, Heat transfer coefficients, Temperature
Journal Articles

Unsteady Flow Structure of Corner Separation in a Highly Loaded Compressor Cascade

Weibo Zhong, Yangwei Liu, Yumeng Tang
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. March 2024, 146(3): 031003.
Paper No: TURBO-23-1220
https://doi.org/10.1115/1.4063926
Published Online: November 16, 2023
View Article titled, Unsteady Flow Structure of Corner Separation in a Highly Loaded Compressor Cascade
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Topics: Cascades (Fluid dynamics), Compressors, Corners (Structural elements), Flow (Dynamics), Pressure, Separation (Technology), Unsteady flow, Vortices, Blades, Delay differential equations