Topics: Blades , Cascades (Fluid dynamics) , Corners (Structural elements) , Flow (Dynamics) , Separation (Technology) , Topology , Design , Boundary layers

Physics and Instantaneous Performance of Radial Turbines in Unsteady Flows: Validity of the Quasi-Steady Assumption for the Rotor

Nicolas Binder, Yanncik Bousquet, Florian Hermet, Jérémie Gressier

J. Turbomach. November 2022, 144(11): 111002. doi: https://doi.org/10.1115/1.4054777

Abstract

View articletitled, Physics and Instantaneous Performance of Radial Turbines in Unsteady Flows: Validity of the Quasi-Steady Assumption for the Rotor

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Topics: Flow (Dynamics) , Pressure , Rotors , Torque , Transients (Dynamics) , Turbines , Unsteady flow , Waves , Computer simulation , Physics

Analysis of Large Eddy Simulations and 1D Hot-Wire Data to Determine Actively Generated Main Flow Turbulence in a Film Cooling Test Rig

Lukas Fischer, Michael Straußwald, Michael Pfitzner

J. Turbomach. November 2022, 144(11): 111003. doi: https://doi.org/10.1115/1.4054778

Abstract

View articletitled, Analysis of Large Eddy Simulations and 1D Hot-Wire Data to Determine Actively Generated Main Flow Turbulence in a Film Cooling Test Rig

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Topics: Film cooling , Probes , Turbulence , Generators , Wire , Flow (Dynamics)

Zonal Detached Eddy Simulation of the Fan-Outlet Guide Vanes Stage of a Turbofan Engine: Part I—Methodology, Numerical Setup, and Aerodynamic Analysis

Benjamin François, Cyril Polacsek, Raphaël Barrier

J. Turbomach. November 2022, 144(11): 111004. doi: https://doi.org/10.1115/1.4054528

Abstract

View articletitled, Zonal Detached Eddy Simulation of the Fan-Outlet Guide Vanes Stage of a Turbofan Engine: Part I—Methodology, Numerical Setup, and Aerodynamic Analysis

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Topics: Blades , Eddies (Fluid dynamics) , Flow (Dynamics) , Guide vanes , Reynolds-averaged Navier–Stokes equations , Simulation , Turbulence , Wakes , Turbofans , Noise (Sound)

Zonal Detached Eddy Simulation of the Fan-Outlet Guide Vanes Stage of a Turbofan Engine: Part II—Broadband Noise Predictions

Cyril Polacsek, Majd Daroukh, Benjamin François, Raphael Barrier

J. Turbomach. November 2022, 144(11): 111005. doi: https://doi.org/10.1115/1.4054764

Abstract

View articletitled, Zonal Detached Eddy Simulation of the Fan-Outlet Guide Vanes Stage of a Turbofan Engine: Part II—Broadband Noise Predictions

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Topics: Acoustics , Noise (Sound) , Reynolds-averaged Navier–Stokes equations , Simulation , Spectra (Spectroscopy) , Turbulence , Wake turbulence , Ducts , Computational fluid dynamics , Pressure

Thermal Performance of Double-Sided, Partial Height Strip Fin Arrays in a High Aspect Ratio, Rectangular Channel

Nathaniel J. Tracy, Lesley M. Wright, Je-Chin Han

J. Turbomach. November 2022, 144(11): 111006. doi: https://doi.org/10.1115/1.4054544

Abstract

View articletitled, Thermal Performance of Double-Sided, Partial Height Strip Fin Arrays in a High Aspect Ratio, Rectangular Channel

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Topics: Fins , Flow (Dynamics) , Friction , Heat transfer , Reynolds number , Strips

High-Resolution Thermal Profiling of a Combustor in a Non-Dedicated Test Using Thermal History Coatings

David Peral, Ahmed Zaid, Christoph Benninghoven, Silvia Araguás-Rodríguez, David Kluß, Solon Karagiannopoulos, Robert Krewinkel, Jörg P. Feist

J. Turbomach. November 2022, 144(11): 111007. doi: https://doi.org/10.1115/1.4054635

Abstract

View articletitled, High-Resolution Thermal Profiling of a Combustor in a Non-Dedicated Test Using Thermal History Coatings

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Topics: Coatings , Combustion chambers , Computational fluid dynamics , Flames , Temperature , Thermocouples , Calibration , Cooling , Resolution (Optics) , Engines

Analysis of the Unsteady Flow Field at Stall Conditions for a Low-Speed Low-Pressure Ratio Axial Fan With Full-Annulus Simulation

Yannick Bousquet, Nicolas Binder, Ludovic Rojda, Adrien Thacker

J. Turbomach. November 2022, 144(11): 111008. doi: https://doi.org/10.1115/1.4054815

Abstract

View articletitled, Analysis of the Unsteady Flow Field at Stall Conditions for a Low-Speed Low-Pressure Ratio Axial Fan With Full-Annulus Simulation

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Topics: Blades , Flow (Dynamics) , Pressure , Rotors , Simulation , Stators , Stall inception , Annulus , Unsteady flow , Computer simulation

Applying Infrared Thermography as a Method for Online Monitoring of Turbine Blade Coolant Flow

Eric DeShong, Benjamin Peters, Kamran Paynabar, Nagi Gebraeel, Karen A. Thole, Reid A. Berdanier

J. Turbomach. November 2022, 144(11): 111009. doi: https://doi.org/10.1115/1.4054814

Abstract

View articletitled, Applying Infrared Thermography as a Method for Online Monitoring of Turbine Blade Coolant Flow

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Topics: Blades , Coolants , Errors , Flow (Dynamics) , Modeling , Temperature , Thermography , Turbines , Turbine blades , Engines

A Shock Loss Reduction Method Using a Concave Suction Side Profile for a Zero Inlet Swirl Turbine Rotor

Qinghui Zhou, Wei Zhao, Xiuming Sui, Qingjun Zhao, Jianzhong Xu

J. Turbomach. November 2022, 144(11): 111010. doi: https://doi.org/10.1115/1.4055067

Abstract

View articletitled, A Shock Loss Reduction Method Using a Concave Suction Side Profile for a Zero Inlet Swirl Turbine Rotor

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Topics: Blades , Flow (Dynamics) , Shock (Mechanics) , Suction , Turbines , Design , Rotors , Pressure

On Choosing the Optimal Impeller Exit Velocity Triangles in Preliminary Design

Fangyuan Lou, Nicole L. Key

J. Turbomach. November 2022, 144(11): 111011. doi: https://doi.org/10.1115/1.4055151

Abstract

View articletitled, On Choosing the Optimal Impeller Exit Velocity Triangles in Preliminary Design

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Topics: Design , Impellers , Pressure , Diffusion (Physics)

Numerical Modeling and Design Challenges of Boundary Layer Ingesting Fans

Adam Sieradzki, Tomasz Kwiatkowski, Mark G. Turner, Borys Łukasik

J. Turbomach. November 2022, 144(11): 111012. doi: https://doi.org/10.1115/1.4055265

Abstract

View articletitled, Numerical Modeling and Design Challenges of Boundary Layer Ingesting Fans

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Topics: Blades , Boundary layers , Computational fluid dynamics , Design , Flow (Dynamics) , Rotors , Pressure , Stators , Computer simulation , Stress

Sensitivity of Adiabatic Cooling Effectiveness to Mainstream and Coolant Temperatures in Transonic Flow Over an Idealized Blade Tip Model

Haiteng Ma, Wei Zeng, Siming Dai, Hongmei Jiang

J. Turbomach. November 2022, 144(11): 111013. doi: https://doi.org/10.1115/1.4055268

Abstract

View articletitled, Sensitivity of Adiabatic Cooling Effectiveness to Mainstream and Coolant Temperatures in Transonic Flow Over an Idealized Blade Tip Model

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Topics: Adiabatic cooling , Coolants , Temperature , Cooling , Heat transfer coefficients , Transonic flow , Blades

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Research Papers

The Unsteady Topology of Corner Separations

Physics and Instantaneous Performance of Radial Turbines in Unsteady Flows: Validity of the Quasi-Steady Assumption for the Rotor

Analysis of Large Eddy Simulations and 1D Hot-Wire Data to Determine Actively Generated Main Flow Turbulence in a Film Cooling Test Rig

Zonal Detached Eddy Simulation of the Fan-Outlet Guide Vanes Stage of a Turbofan Engine: Part I—Methodology, Numerical Setup, and Aerodynamic Analysis

Zonal Detached Eddy Simulation of the Fan-Outlet Guide Vanes Stage of a Turbofan Engine: Part II—Broadband Noise Predictions

Thermal Performance of Double-Sided, Partial Height Strip Fin Arrays in a High Aspect Ratio, Rectangular Channel

High-Resolution Thermal Profiling of a Combustor in a Non-Dedicated Test Using Thermal History Coatings

Analysis of the Unsteady Flow Field at Stall Conditions for a Low-Speed Low-Pressure Ratio Axial Fan With Full-Annulus Simulation

Applying Infrared Thermography as a Method for Online Monitoring of Turbine Blade Coolant Flow

A Shock Loss Reduction Method Using a Concave Suction Side Profile for a Zero Inlet Swirl Turbine Rotor

On Choosing the Optimal Impeller Exit Velocity Triangles in Preliminary Design

Numerical Modeling and Design Challenges of Boundary Layer Ingesting Fans

Sensitivity of Adiabatic Cooling Effectiveness to Mainstream and Coolant Temperatures in Transonic Flow Over an Idealized Blade Tip Model

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