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Volume 147, Issue 6

June 2025

In Progress

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ISSN 0889-504X

EISSN 1528-8900

In this Issue

Research Papers

Research Papers

Spectral Heat Transfer Coefficient for Thermal Design Analysis—Part 1: Augmenting the Cooling Law for Non-Isothermal Wall

L. He

J. Turbomach. June 2025, 147(6): 061001. doi: https://doi.org/10.1115/1.4066671

Abstracts

View articletitled, Spectral Heat Transfer Coefficient for Thermal Design Analysis—Part 1: Augmenting the Cooling Law for Non-Isothermal Wall

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Topics: Cooling , Temperature , Wall temperature , Fluids , Blades , Flow (Dynamics) , Design , Heat flux , Heat , Heat transfer coefficients

Spectral Heat Transfer Coefficient for Thermal Design Analysis—Part II: Leveraging Diabatic Wall Conditioning for Nonlinear Regime

L. He

J. Turbomach. June 2025, 147(6): 061002. doi: https://doi.org/10.1115/1.4066672

Abstracts

View articletitled, Spectral Heat Transfer Coefficient for Thermal Design Analysis—Part II: Leveraging Diabatic Wall Conditioning for Nonlinear Regime

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Topics: Cooling , Temperature , Blades , Heat transfer , Wall temperature , Heat flux , Design

Introduction of Axisymmetric Grooves as a Tip Seal Treatment for Small-Core Turbines

Connor J. Wiese, Reid A. Berdanier, Karen A. Thole

J. Turbomach. June 2025, 147(6): 061003. doi: https://doi.org/10.1115/1.4067034

Abstract

View articletitled, Introduction of Axisymmetric Grooves as a Tip Seal Treatment for Small-Core Turbines

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Topics: Blades , Flow (Dynamics) , Pressure , Rotors , Turbines , Design , Geometry , Vortices

Optimization of Tip Seal Grooves for Aerodynamic and Durability Improvements of Small-Core Turbines

Connor J. Wiese, Reid A. Berdanier, Karen A. Thole

J. Turbomach. June 2025, 147(6): 061004. doi: https://doi.org/10.1115/1.4067028

Abstract

View articletitled, Optimization of Tip Seal Grooves for Aerodynamic and Durability Improvements of Small-Core Turbines

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Topics: Blades , Clearances (Engineering) , Design , Flow (Dynamics) , Geometry , Heat transfer , Optimization , Rotors , Turbines , Stress

Understanding the Flow Field in a Highly Loaded Tandem Compressor Cascade

Thanh-Son Tran, Cedric Babin, Fabrizio Fontaneto, Gregory Coussement, Tom Verstraete

J. Turbomach. June 2025, 147(6): 061005. doi: https://doi.org/10.1115/1.4067029

Abstracts

View articletitled, Understanding the Flow Field in a Highly Loaded Tandem Compressor Cascade

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Topics: Blades , Flow (Dynamics) , Design , Cascades (Fluid dynamics)

Loss Breakdown in Axial Turbines: A New Method for Vortex Loss and Wake Detection From 3D RANS Simulations

Greta Raina, Yannick Bousquet, David Luquet, Eric Lippinois, Nicolas Binder

J. Turbomach. June 2025, 147(6): 061006. doi: https://doi.org/10.1115/1.4067033

Abstracts

View articletitled, Loss Breakdown in Axial Turbines: A New Method for Vortex Loss and Wake Detection From 3D RANS Simulations

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Topics: Boundary layers , Ducts , Entropy , Flow (Dynamics) , Turbines , Vortices , Wakes , Nozzle guide vanes , Simulation , Cascades (Fluid dynamics)

A Data-Driven Method for the Derivation of Explicit Algebraic Reynolds Stress Models Applied to the Wake Losses of Low-Pressure Turbine Cascades

Johannes Deutsch, Nima Fard Afshar, Stefan Henninger, Peter Jeschke

J. Turbomach. June 2025, 147(6): 061007. doi: https://doi.org/10.1115/1.4067032

Abstract

View articletitled, A Data-Driven Method for the Derivation of Explicit Algebraic Reynolds Stress Models Applied to the Wake Losses of Low-Pressure Turbine Cascades

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Topics: Kinetic energy , Optimization , Pressure , Reynolds stress , Simulation , Turbines , Turbulence , Wakes , Reynolds-averaged Navier–Stokes equations , Tensors

Multidisciplinary Optimization of a Mixed-Flow Impeller With 140 Parameters and Its Shapley Additive Explanations

Guang Xi, Yong Zhang, Cheng Ji, Chenqing Zhang

J. Turbomach. June 2025, 147(6): 061008. doi: https://doi.org/10.1115/1.4067030

Abstracts

View articletitled, Multidisciplinary Optimization of a Mixed-Flow Impeller With 140 Parameters and Its Shapley Additive Explanations

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Topics: Blades , Flow (Dynamics) , Impellers , Optimization , Design , Shapes

Robust Design Optimization of a Compressor Rotor Using Recursive Cokriging Based Multi-Fidelity Uncertainty Quantification and Multi-Fidelity Optimization

Marcus Wiegand, Andriy Prots, Marcus Meyer, Robin Schmidt, Matthias Voigt, Ronald Mailach

J. Turbomach. June 2025, 147(6): 061009. doi: https://doi.org/10.1115/1.4067076

Abstract

View articletitled, Robust Design Optimization of a Compressor Rotor Using Recursive Cokriging Based Multi-Fidelity Uncertainty Quantification and Multi-Fidelity Optimization

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Topics: Compressors , Design , Optimization , Uncertainty quantification

Integration of Cooling Holes Into a Turbine Vane Made Using Additive Manufacturing

Nicholas L. Gailey, Michael D. Barringer, Reid A. Berdanier, Karen A. Thole

J. Turbomach. June 2025, 147(6): 061010. doi: https://doi.org/10.1115/1.4067100

Abstracts

View articletitled, Integration of Cooling Holes Into a Turbine Vane Made Using Additive Manufacturing

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Topics: Cooling , Flow (Dynamics) , Film cooling

Numerical Investigation on the Influence of Wet Compression Aerodynamic Performance of Multi-Stage Transonic Compressor

Zihuan Zhu, Yadong Wu, Lele Ming, Xinze Zhang, Hua Ouyang

J. Turbomach. June 2025, 147(6): 061011. doi: https://doi.org/10.1115/1.4067101

Abstracts

View articletitled, Numerical Investigation on the Influence of Wet Compression Aerodynamic Performance of Multi-Stage Transonic Compressor

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Topics: Compression , Compressors , Drops , Plasma spraying , Spraying (Coating processes) , Wireless power transfer , Pressure , Temperature , Water

Scale Cooling—A Novel Fractal Cooling Structure for Turbine Vanes

Zhongran Chi, Longfei Wang

J. Turbomach. June 2025, 147(6): 061012. doi: https://doi.org/10.1115/1.4067099

Abstract

View articletitled, Scale Cooling—A Novel Fractal Cooling Structure for Turbine Vanes

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Topics: Cooling , Fractals , Design , Heat transfer , Computational fluid dynamics

Direct and Refined Characterization of Rebound for Irregularly Shaped, High-Speed Particles Incident on Aerospace Grade Titanium

Brandon J. Weindorf, Alix Ehlers, K. Todd Lowe, Wing Ng, Mark Caddick, Jim Loebig, Matthew Morrison

J. Turbomach. June 2025, 147(6): 061013. doi: https://doi.org/10.1115/1.4067238

Abstract

View articletitled, Direct and Refined Characterization of Rebound for Irregularly Shaped, High-Speed Particles Incident on Aerospace Grade Titanium

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Topics: Particulate matter , Shapes , Uncertainty

Numerical and Experimental Investigation of Boundary Layer of a High-Lift Low-Pressure Turbine Cascade Under Periodic Wakes With Different Flow Coefficients

Shuang Sun, Tianrong Tan, Zhen Huang, Xiaopeng Sun, Lehan Lu, Maomao Wang

J. Turbomach. June 2025, 147(6): 061014. doi: https://doi.org/10.1115/1.4067175

Abstract

View articletitled, Numerical and Experimental Investigation of Boundary Layer of a High-Lift Low-Pressure Turbine Cascade Under Periodic Wakes With Different Flow Coefficients

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Topics: Boundary layers , Flow (Dynamics) , Wakes , Separation (Technology) , Shapes , Cascades (Fluid dynamics) , Blades , Suction , Pressure , Vortices

Multirow Film-Cooling Effectiveness of Vertically Oriented Slot Cross-Section Diffusion Holes on a Turbine Nozzle Guide Vane Suction Surface

Jia-Jun Hu, Bai-Tao An

J. Turbomach. June 2025, 147(6): 061015. doi: https://doi.org/10.1115/1.4067239

Abstracts

View articletitled, Multirow Film-Cooling Effectiveness of Vertically Oriented Slot Cross-Section Diffusion Holes on a Turbine Nozzle Guide Vane Suction Surface

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Topics: Coolants , Diffusion (Physics) , Film cooling , Flow (Dynamics) , Nozzle guide vanes , Pressure , Suction , Turbines , Density , Turbulence

Unsteady Flow Mechanism of Corner Separation Control Using Blade End Slots in a Highly Loaded Compressor Cascade

Yangwei Liu, Weibo Zhong, Yumeng Tang

J. Turbomach. June 2025, 147(6): 061016. doi: https://doi.org/10.1115/1.4067295

Abstracts

View articletitled, Unsteady Flow Mechanism of Corner Separation Control Using Blade End Slots in a Highly Loaded Compressor Cascade

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Topics: Blades , Corners (Structural elements) , Flow (Dynamics) , Separation (Technology) , Vortices , Unsteady flow , Pressure

An Aerodynamic Investigation of a High-Pressure Turbine Using Rotor Casing Static Pressure Measurements at Engine Representative Conditions With Different Tip Designs, Tip Gaps, and Inlet Temperature Profiles

Deepanshu Singh, Paul F. Beard, David Cardwell, Vianney Staelens, Pratik Bahulekar, Mark Stokes, Simon Bather, Kam S. Chana

J. Turbomach. June 2025, 147(6): 061017. doi: https://doi.org/10.1115/1.4066965

Abstracts

View articletitled, An Aerodynamic Investigation of a High-Pressure Turbine Using Rotor Casing Static Pressure Measurements at Engine Representative Conditions With Different Tip Designs, Tip Gaps, and Inlet Temperature Profiles

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Topics: Blades , Computational fluid dynamics , Pressure , Rotors , Turbines , Flow (Dynamics) , Pressure measurement , Chords (Trusses) , Engines , Leakage flows

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Research Papers

Spectral Heat Transfer Coefficient for Thermal Design Analysis—Part 1: Augmenting the Cooling Law for Non-Isothermal Wall

Spectral Heat Transfer Coefficient for Thermal Design Analysis—Part II: Leveraging Diabatic Wall Conditioning for Nonlinear Regime

Introduction of Axisymmetric Grooves as a Tip Seal Treatment for Small-Core Turbines

Optimization of Tip Seal Grooves for Aerodynamic and Durability Improvements of Small-Core Turbines

Understanding the Flow Field in a Highly Loaded Tandem Compressor Cascade

Loss Breakdown in Axial Turbines: A New Method for Vortex Loss and Wake Detection From 3D RANS Simulations

A Data-Driven Method for the Derivation of Explicit Algebraic Reynolds Stress Models Applied to the Wake Losses of Low-Pressure Turbine Cascades

Multidisciplinary Optimization of a Mixed-Flow Impeller With 140 Parameters and Its Shapley Additive Explanations

Robust Design Optimization of a Compressor Rotor Using Recursive Cokriging Based Multi-Fidelity Uncertainty Quantification and Multi-Fidelity Optimization

Integration of Cooling Holes Into a Turbine Vane Made Using Additive Manufacturing

Numerical Investigation on the Influence of Wet Compression Aerodynamic Performance of Multi-Stage Transonic Compressor

Scale Cooling—A Novel Fractal Cooling Structure for Turbine Vanes

Direct and Refined Characterization of Rebound for Irregularly Shaped, High-Speed Particles Incident on Aerospace Grade Titanium

Numerical and Experimental Investigation of Boundary Layer of a High-Lift Low-Pressure Turbine Cascade Under Periodic Wakes With Different Flow Coefficients

Multirow Film-Cooling Effectiveness of Vertically Oriented Slot Cross-Section Diffusion Holes on a Turbine Nozzle Guide Vane Suction Surface

Unsteady Flow Mechanism of Corner Separation Control Using Blade End Slots in a Highly Loaded Compressor Cascade

An Aerodynamic Investigation of a High-Pressure Turbine Using Rotor Casing Static Pressure Measurements at Engine Representative Conditions With Different Tip Designs, Tip Gaps, and Inlet Temperature Profiles

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