Volume 145 Issue 7 | J. Turbomach. | ASME Digital Collection

Research Papers

Collaborative Robust Design Optimization of Blade Geometry and Manufacturing Tolerance for a Transonic Centrifugal Impeller

Yiming Liu, Yaping Ju, Ruihong Qin, Wei Jiang, Stephen Spence, Chuhua Zhang

J. Turbomach. July 2023, 145(7): 071001. doi: https://doi.org/10.1115/1.4056680

View articletitled, Collaborative Robust Design Optimization of Blade Geometry and Manufacturing Tolerance for a Transonic Centrifugal Impeller

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Topics: Blades , Design , Errors , Geometry , Impellers , Manufacturing , Optimization , Uncertainty quantification , Flow (Dynamics) , Computational fluid dynamics

Impact of Operating Conditions and Axial Casing Grooves on the Evolution of Flow Structure Across Blade Rows in an Axial Compressor

Ayush Saraswat, Subhra Shankha Koley, Joseph Katz

J. Turbomach. July 2023, 145(7): 071002. doi: https://doi.org/10.1115/1.4056697

Abstract

View articletitled, Impact of Operating Conditions and Axial Casing Grooves on the Evolution of Flow Structure Across Blade Rows in an Axial Compressor

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Topics: Blades , Compressors , Flow (Dynamics) , Rotors , Vorticity , Stators , Vortices , Pressure , Leakage flows , Machinery

Experimental and Computational Investigation of an Advanced Casing Treatment in a Single-Stage High-Speed Compressor

Nicholas H. Maher, Mark H. Ross, Scott C. Morris, Stephan Priebe, Giridhar Jothiprasad, David Allan, Gregory McNulty, Michael Macrorie, Ramakrishna Mallina

J. Turbomach. July 2023, 145(7): 071003. doi: https://doi.org/10.1115/1.4056699

Abstract

View articletitled, Experimental and Computational Investigation of an Advanced Casing Treatment in a Single-Stage High-Speed Compressor

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Topics: Compressors , Computational fluid dynamics , Flow (Dynamics) , Pressure , Rotors , Temperature , Design

Investigation of Unsteady Rotor–Stator Interaction and Deterministic Correlation Analysis in a Transonic Compressor Stage

Yangwei Liu, Xindi Wei, Yumeng Tang

J. Turbomach. July 2023, 145(7): 071004. doi: https://doi.org/10.1115/1.4056716

Abstract

View articletitled, Investigation of Unsteady Rotor–Stator Interaction and Deterministic Correlation Analysis in a Transonic Compressor Stage

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Topics: Rotors , Stators , Compressors , Flow (Dynamics) , Stress , Unsteady flow , Blades , Anisotropy

Assessment of Computational Fluid Dynamic Modeling of Multi-Jet Impingement Cooling and Validation With the Experiments

Sadiya Tabassum, Michael Hilfer, Robin G. Brakmann, Christian Morsbach, Christian Willert, Marcel Matha, Michael Schroll

J. Turbomach. July 2023, 145(7): 071005. doi: https://doi.org/10.1115/1.4056715

Abstract

View articletitled, Assessment of Computational Fluid Dynamic Modeling of Multi-Jet Impingement Cooling and Validation With the Experiments

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Topics: Computational fluid dynamics , Engineering simulation , Flow (Dynamics) , Heat transfer , Impingement cooling , Jets , Modeling , Reynolds-averaged Navier–Stokes equations , Simulation , Turbulence

On the Effect of Side Clearance in the Vaned Diffuser of a Centrifugal Compressor

Lee Gibson, Stephen Spence, Charles Stuart, Andre Starke, Sung In Kim

J. Turbomach. July 2023, 145(7): 071006. doi: https://doi.org/10.1115/1.4056714

Abstract

View articletitled, On the Effect of Side Clearance in the Vaned Diffuser of a Centrifugal Compressor

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Topics: Clearances (Engineering) , Compressors , Computational fluid dynamics , Diffusers , Flow (Dynamics) , Geometry , Pressure , Surges , Stability

Nonlinear Flutter Analysis of Labyrinth Seals

Roque Corral, Michele Greco, Luis Matabuena

J. Turbomach. July 2023, 145(7): 071007. doi: https://doi.org/10.1115/1.4056701

Abstract

View articletitled, Nonlinear Flutter Analysis of Labyrinth Seals

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Topics: Cavities , Clearances (Engineering) , Cycles , Flutter (Aerodynamics) , Pressure , Stability , Vibration , Flow (Dynamics) , Torsion

A Comprehensive Analytical Model for Vortex Shedding From Low-Speed Axial Fan Blades

Gábor Daku, János Vad

J. Turbomach. July 2023, 145(7): 071008. doi: https://doi.org/10.1115/1.4056700

Abstract

View articletitled, A Comprehensive Analytical Model for Vortex Shedding From Low-Speed Axial Fan Blades

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Topics: Blades , Flow (Dynamics) , Vortices , Wakes , Wire , Vortex shedding

Aerothermal Performance of Axially Varying Winglet-Squealer Blade Tips

Anmol Garg, Nagabhushana Rao Vadlamani, Balaji Srinivasan

J. Turbomach. July 2023, 145(7): 071009. doi: https://doi.org/10.1115/1.4056712

Abstract

View articletitled, Aerothermal Performance of Axially Varying Winglet-Squealer Blade Tips

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Topics: Blades , Cavities , Flow (Dynamics) , Pressure , Design , Leakage , Vortices , Leakage flows , High pressure (Physics)

Heat Transfer Coefficient and Adiabatic Wall Temperature Measurements on High-Pressure Turbine Nozzle Guide Vanes With Representative Inlet Swirl and Temperature Distortions

Tommaso Bacci, Alessio Picchi, Giulia Babazzi, Bruno Facchini, Simone Cubeda

J. Turbomach. July 2023, 145(7): 071010. doi: https://doi.org/10.1115/1.4056713

Abstract

View articletitled, Heat Transfer Coefficient and Adiabatic Wall Temperature Measurements on High-Pressure Turbine Nozzle Guide Vanes With Representative Inlet Swirl and Temperature Distortions

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Topics: Combustion chambers , Flow (Dynamics) , Heat transfer coefficients , Nozzle guide vanes , Temperature , Turbines , Wall temperature , High pressure (Physics) , Cascades (Fluid dynamics) , Boundary-value problems

Heat Transfer and Pressure Loss of Additively Manufactured Internal Cooling Channels With Various Shapes

Alexander J. Wildgoose, Karen A. Thole

J. Turbomach. July 2023, 145(7): 071011. doi: https://doi.org/10.1115/1.4056775

Abstract

View articletitled, Heat Transfer and Pressure Loss of Additively Manufactured Internal Cooling Channels With Various Shapes

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Topics: Friction , Heat transfer , Pressure , Shapes , Surface roughness , Reynolds number , Diamonds

The Influence of Turbulence and Reynolds Number on Endwall Heat Transfer in a Vane Cascade

Maliha Yel Mahi, Emmanuel Chukwuemeka, Shaun Donovan, Forrest Ames, Yousef Kanani, Sumanta Acharya

J. Turbomach. July 2023, 145(7): 071012. doi: https://doi.org/10.1115/1.4056778

Abstract

View articletitled, The Influence of Turbulence and Reynolds Number on Endwall Heat Transfer in a Vane Cascade

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Topics: Cascades (Fluid dynamics) , Heat transfer , Reynolds number , Turbulence , Flow (Dynamics) , Pressure

Using Machine Learning for Loss Prediction in a Hybrid Meanline Modeling Method to Deliver Improved Radial Turbine Performance Prediction

Pangbo Ren, Charles Stuart, Stephen Spence, Ryosuke Inomata, Takayuki Kobayashi, Isao Morita

J. Turbomach. July 2023, 145(7): 071013. doi: https://doi.org/10.1115/1.4056777

Abstract

View articletitled, Using Machine Learning for Loss Prediction in a Hybrid Meanline Modeling Method to Deliver Improved Radial Turbine Performance Prediction

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Topics: Computational fluid dynamics , Flow (Dynamics) , Geometry , Machine learning , Modeling , Rotors , Turbines , Nozzles , Turbochargers , Artificial neural networks

Experimental Investigation of a High-Speed Turbine With Rainbow Rotor and Rim Seal Purge Flow

Bogdan C. Cernat, Jorge Pinho, Mizuki Okada, Sergio Lavagnoli

J. Turbomach. July 2023, 145(7): 071014. doi: https://doi.org/10.1115/1.4056776

Abstract

View articletitled, Experimental Investigation of a High-Speed Turbine With Rainbow Rotor and Rim Seal Purge Flow

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Topics: Flow (Dynamics) , Pressure , Rotors , Turbines , Reynolds-averaged Navier–Stokes equations , Heat transfer , Design , Cavities , Heat flux

Influence of Casing Groove on Rotating Instabilities in a Low-Speed Axial Compressor

Xiangyi Chen, Björn Koppe, Martin Lange, Wuli Chu, Ronald Mailach

J. Turbomach. July 2023, 145(7): 071015. doi: https://doi.org/10.1115/1.4056863

Abstract

View articletitled, Influence of Casing Groove on Rotating Instabilities in a Low-Speed Axial Compressor

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

Accounting for Circumferential Flow Nonuniformity in a Multistage Axial Compressor

Fangyuan Lou, Douglas R. Matthews, Nicholas J. Kormanik, III, Nicole L. Key

J. Turbomach. July 2023, 145(7): 071016. doi: https://doi.org/10.1115/1.4056933

Abstract

View articletitled, Accounting for Circumferential Flow Nonuniformity in a Multistage Axial Compressor

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Topics: Compressors , Flow (Dynamics) , Pressure , Stators , Approximation , Wakes , Annulus

Investigation of Tip Leakage Vortex Breakdown in a High-Speed Multistage Axial Compressor

Ryosuke Seki, Toshihiko Azuma, Junji Iwatani, Akihiro Nakaniwa, Hidetaka Okui, Takanori Shibata

J. Turbomach. July 2023, 145(7): 071017. doi: https://doi.org/10.1115/1.4056981

Abstract

View articletitled, Investigation of Tip Leakage Vortex Breakdown in a High-Speed Multistage Axial Compressor

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Topics: Blades , Clearances (Engineering) , Compressors , Leakage , Pressure , Vortices , Surges , Rotors , Flow (Dynamics)

Research Papers

Collaborative Robust Design Optimization of Blade Geometry and Manufacturing Tolerance for a Transonic Centrifugal Impeller

Impact of Operating Conditions and Axial Casing Grooves on the Evolution of Flow Structure Across Blade Rows in an Axial Compressor

Experimental and Computational Investigation of an Advanced Casing Treatment in a Single-Stage High-Speed Compressor

Investigation of Unsteady Rotor–Stator Interaction and Deterministic Correlation Analysis in a Transonic Compressor Stage

Assessment of Computational Fluid Dynamic Modeling of Multi-Jet Impingement Cooling and Validation With the Experiments

On the Effect of Side Clearance in the Vaned Diffuser of a Centrifugal Compressor

Nonlinear Flutter Analysis of Labyrinth Seals

A Comprehensive Analytical Model for Vortex Shedding From Low-Speed Axial Fan Blades

Aerothermal Performance of Axially Varying Winglet-Squealer Blade Tips

Heat Transfer Coefficient and Adiabatic Wall Temperature Measurements on High-Pressure Turbine Nozzle Guide Vanes With Representative Inlet Swirl and Temperature Distortions

Heat Transfer and Pressure Loss of Additively Manufactured Internal Cooling Channels With Various Shapes

The Influence of Turbulence and Reynolds Number on Endwall Heat Transfer in a Vane Cascade

Using Machine Learning for Loss Prediction in a Hybrid Meanline Modeling Method to Deliver Improved Radial Turbine Performance Prediction

Experimental Investigation of a High-Speed Turbine With Rainbow Rotor and Rim Seal Purge Flow

Influence of Casing Groove on Rotating Instabilities in a Low-Speed Axial Compressor

Accounting for Circumferential Flow Nonuniformity in a Multistage Axial Compressor

Investigation of Tip Leakage Vortex Breakdown in a High-Speed Multistage Axial Compressor

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