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Volume 145, Issue 4

April 2023

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ISSN 0889-504X

EISSN 1528-8900

In this Issue

Research Papers

Research Papers

Metamodel-Interpreted Data Mining for Stability and Efficiency Enhancement of Multistage Axial-Flow Compressors

Xiawen Zhang, Yaping Ju, Zhen Li, Feng Liu, Chuhua Zhang

J. Turbomach. April 2023, 145(4): 041001. doi: https://doi.org/10.1115/1.4055766

Abstract

View articletitled, Metamodel-Interpreted Data Mining for Stability and Efficiency Enhancement of Multistage Axial-Flow Compressors

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Topics: Axial flow , Blades , Compressors , Data mining , Design , Stability , Stators , Computational fluid dynamics , Geometry

Development of Translucent Design Philosophy for the Cyclic Pattern Design of Fan Outlet Guide Vanes

Davendu Kulkarni, Luca di Mare

J. Turbomach. April 2023, 145(4): 041002. doi: https://doi.org/10.1115/1.4055648

Abstract

View articletitled, Development of Translucent Design Philosophy for the Cyclic Pattern Design of Fan Outlet Guide Vanes

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Topics: Blades , Design , Flow (Dynamics) , Pressure , Guide vanes

Numerical Investigation of Near-Tip Modifications for a Highly Loaded Low-Speed Rotor Under the Influence of Double Leakage

Jannik Eckel, Philipp von Jeinsen, Volker Gümmer

J. Turbomach. April 2023, 145(4): 041003. doi: https://doi.org/10.1115/1.4055651

Abstract

View articletitled, Numerical Investigation of Near-Tip Modifications for a Highly Loaded Low-Speed Rotor Under the Influence of Double Leakage

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Topics: Blades , Design , Entropy , Flow (Dynamics) , Leakage , Pressure , Rotors , Vortices , Compressors

Stall Margin Improvement in a Transonic Compressor With a Casing Treatment: Flow Mechanism

Chunill Hah

J. Turbomach. April 2023, 145(4): 041004. doi: https://doi.org/10.1115/1.4055678

Abstract

View articletitled, Stall Margin Improvement in a Transonic Compressor With a Casing Treatment: Flow Mechanism

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Topics: Compressors , Design , Flow (Dynamics) , Blades

The Importance of Shape in Particle Rebound Behaviors

Jacob Wilson, Rui Qiao, Matthew Kappes, James Loebig, Rory Clarkson

J. Turbomach. April 2023, 145(4): 041005. doi: https://doi.org/10.1115/1.4055747

Abstract

View articletitled, The Importance of Shape in Particle Rebound Behaviors

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Topics: Particulate matter , Rotation , Shapes

Annular Dump Diffuser and Deswirl System for Back-Pressure Control in Engine-Scale Transonic Annular Cascade

Mathias Michaud, Francesco Ornano, Thomas Povey

J. Turbomach. April 2023, 145(4): 041006. doi: https://doi.org/10.1115/1.4055863

Abstract

View articletitled, Annular Dump Diffuser and Deswirl System for Back-Pressure Control in Engine-Scale Transonic Annular Cascade

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Topics: Flow (Dynamics) , Pressure , Nozzle guide vanes , Design , Diffusers , Computational fluid dynamics

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

J. Turbomach. April 2023, 145(4): 041007. doi: https://doi.org/10.1115/1.4055867

Abstract

View articletitled, 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

The Influence of Boundary Layer State and Trailing Edge Wedge Angle on the Aerodynamic Performance of Transonic Turbine Blades

A. D. Rossiter, G. Pullan, A. P. Melzer

J. Turbomach. April 2023, 145(4): 041008. doi: https://doi.org/10.1115/1.4055868

Abstract

View articletitled, The Influence of Boundary Layer State and Trailing Edge Wedge Angle on the Aerodynamic Performance of Transonic Turbine Blades

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Topics: Boundary layers , Flow (Dynamics) , Mach number , Pressure , Reynolds number , Switches , Vortex shedding , Wedges , Design , Turbine blades

New Concept for Design in Turbomachinery Applications Using Full RANS Gradient Methodology

Armando Del Rio, Ernesto Casartelli, Benno Fleischli, Luca Mangani

J. Turbomach. April 2023, 145(4): 041009. doi: https://doi.org/10.1115/1.4055869

Abstract

View articletitled, New Concept for Design in Turbomachinery Applications Using Full RANS Gradient Methodology

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Topics: Compressors , Computational fluid dynamics , Deformation , Design , Diffusers , Flow (Dynamics) , Geometry , Machinery , Optimization , Pressure

Temperature Dependent Property Considerations for Biot Number Matching With Composite Materials

Carol E. Bryant, James L. Rutledge

J. Turbomach. April 2023, 145(4): 041010. doi: https://doi.org/10.1115/1.4055927

Abstract

View articletitled, Temperature Dependent Property Considerations for Biot Number Matching With Composite Materials

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Topics: Ceramic matrix composites , Composite materials , Engines , Errors , Low temperature , Temperature , Thermal conductivity , Cooling , Anisotropy , Turbine components

Casing Treatment: Its Potential and Limitations

Sungho Yoon, Patricia Cargill

J. Turbomach. April 2023, 145(4): 041011. doi: https://doi.org/10.1115/1.4055928

Abstract

View articletitled, Casing Treatment: Its Potential and Limitations

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Topics: Blades , Compressors , Design , Flow (Dynamics) , Rotors

Forced Response Induced by Low Engine Order Under Circumferential Inlet Distortions With Different Extents

Tianyu Pan, Zhaoqi Yan, Hanan Lu, Qiushi Li, Robert E. Kielb

J. Turbomach. April 2023, 145(4): 041012. doi: https://doi.org/10.1115/1.4055970

Abstract

View articletitled, Forced Response Induced by Low Engine Order Under Circumferential Inlet Distortions With Different Extents

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Topics: Blades , Dynamic response , Engines , Excitation , Flow (Dynamics) , Inflow , Pressure , Rotors

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

J. Turbomach. April 2023, 145(4): 041013. doi: https://doi.org/10.1115/1.4055973

Abstract

View articletitled, 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

Predictive Modeling of Local Film-Cooling Flow on a Turbine Rotor Blade

Eric T. DeShong, Reid A. Berdanier, Karen A. Thole

J. Turbomach. April 2023, 145(4): 041014. doi: https://doi.org/10.1115/1.4055972

Abstract

View articletitled, Predictive Modeling of Local Film-Cooling Flow on a Turbine Rotor Blade

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Topics: Blades , Coolants , Cooling , Film cooling , Flow (Dynamics) , Modeling , Trajectories (Physics) , Turbines , Temperature , Testing

Correlated Pressure–Velocity Instability in a Transonic High-Pressure Turbine Blade

Matteo Dellacasagrande, Davide Lengani, Ettore Bertolini, Wolfgang Sanz

J. Turbomach. April 2023, 145(4): 041015. doi: https://doi.org/10.1115/1.4055971

Abstract

View articletitled, Correlated Pressure–Velocity Instability in a Transonic High-Pressure Turbine Blade

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Topics: Boundary layers , Pressure , Fluctuations (Physics) , Blades , Flow (Dynamics) , Large eddy simulation , Suction , Turbulence , Principal component analysis

Turbine Vane Passage Experiments Documenting Evolution of Secondary Flows With Changes in Combustor Coolant Injection Flowrates

Kedar P. Nawathe, Yong W. Kim, Terrence W. Simon

J. Turbomach. April 2023, 145(4): 041016. doi: https://doi.org/10.1115/1.4056440

Abstract

View articletitled, Turbine Vane Passage Experiments Documenting Evolution of Secondary Flows With Changes in Combustor Coolant Injection Flowrates

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Topics: Combustion chambers , Coolants , Flow (Dynamics) , Vortices , Turbines

Importance of Nonequilibrium Modeling for Compressors

Robert Spencer, Pawel Przytarski, Paolo Adami, Patrick Grothe, Andrew Wheeler

J. Turbomach. April 2023, 145(4): 041017. doi: https://doi.org/10.1115/1.4054813

Abstract

View articletitled, Importance of Nonequilibrium Modeling for Compressors

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Topics: Blades , Boundary layers , Cascades (Fluid dynamics) , Compressors , Equilibrium (Physics) , Modeling , Reynolds-averaged Navier–Stokes equations , Shapes , Simulation , Suction

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Research Papers

Metamodel-Interpreted Data Mining for Stability and Efficiency Enhancement of Multistage Axial-Flow Compressors

Development of Translucent Design Philosophy for the Cyclic Pattern Design of Fan Outlet Guide Vanes

Numerical Investigation of Near-Tip Modifications for a Highly Loaded Low-Speed Rotor Under the Influence of Double Leakage

Stall Margin Improvement in a Transonic Compressor With a Casing Treatment: Flow Mechanism

The Importance of Shape in Particle Rebound Behaviors

Annular Dump Diffuser and Deswirl System for Back-Pressure Control in Engine-Scale Transonic Annular Cascade

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

The Influence of Boundary Layer State and Trailing Edge Wedge Angle on the Aerodynamic Performance of Transonic Turbine Blades

New Concept for Design in Turbomachinery Applications Using Full RANS Gradient Methodology

Temperature Dependent Property Considerations for Biot Number Matching With Composite Materials

Casing Treatment: Its Potential and Limitations

Forced Response Induced by Low Engine Order Under Circumferential Inlet Distortions With Different Extents

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

Predictive Modeling of Local Film-Cooling Flow on a Turbine Rotor Blade

Correlated Pressure–Velocity Instability in a Transonic High-Pressure Turbine Blade

Turbine Vane Passage Experiments Documenting Evolution of Secondary Flows With Changes in Combustor Coolant Injection Flowrates

Importance of Nonequilibrium Modeling for Compressors

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