Topics: Boundary layers , Flow (Dynamics) , Pressure gradient , Suction , Surface roughness , Turbulence , Simulation , Skin friction (Fluid dynamics) , Turbine blades , Shapes

Mechanism of Axial Compressor Tip Clearance Noise Based on Taylor–Couette Flow Rotating Instability

Beom-Jin Joe, Min-Hyeok Kim, Suk-Yoon Hong, Jee-Hun Song

J. Turbomach. February 2023, 145(2): 021002. doi: https://doi.org/10.1115/1.4055527

Abstract

View articletitled, Mechanism of Axial Compressor Tip Clearance Noise Based on Taylor–Couette Flow Rotating Instability

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Topics: Clearances (Engineering) , Compressors , Flow (Dynamics) , Noise (Sound) , Modeling

Frequency Lock-In Phenomenon of Vortex Induced Vibration of a Rotating Blade Considering Bending-Torsion Coupling Effect

Yuankai Ren, Jianwei Lu, Gaoming Deng, Bofu Wu, Dinghua Zhou

J. Turbomach. February 2023, 145(2): 021003. doi: https://doi.org/10.1115/1.4055528

Abstract

View articletitled, Frequency Lock-In Phenomenon of Vortex Induced Vibration of a Rotating Blade Considering Bending-Torsion Coupling Effect

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Topics: Blades , Locks (Waterways) , Torsion , Vortex-induced vibration , Vortices , Rotating blades , Wakes , Damping

A Resistive Model to Characterize Overall Effectiveness Influenced by Multiple Coolant Temperatures

James L. Rutledge, Matthew N. Fuqua, Marc D. Polanka, William P. Baker

J. Turbomach. February 2023, 145(2): 021004. doi: https://doi.org/10.1115/1.4055530

Abstract

View articletitled, A Resistive Model to Characterize Overall Effectiveness Influenced by Multiple Coolant Temperatures

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Topics: Coolants , Temperature

Film Cooling and Cold Streaks Tracking on a Fully Cooled Nozzle Guide Vane Under Representative Combustor Outflow Conditions

G. Babazzi, T. Bacci, A. Picchi, B. Facchini, S. Cubeda

J. Turbomach. February 2023, 145(2): 021005. doi: https://doi.org/10.1115/1.4055500

Abstract

View articletitled, Film Cooling and Cold Streaks Tracking on a Fully Cooled Nozzle Guide Vane Under Representative Combustor Outflow Conditions

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Topics: Combustion chambers , Coolants , Film cooling , Flow (Dynamics) , Nozzle guide vanes , Oxygen , Pressure , Probes , Swirling flow , Temperature

Particle Image Velocimetry in a High-Speed Short-Duration Turbine Rig

Mizuki Okada, Jorge Pinho, Bogdan Cernat, Sergio Lavagnoli

J. Turbomach. February 2023, 145(2): 021006. doi: https://doi.org/10.1115/1.4055502

Abstract

View articletitled, Particle Image Velocimetry in a High-Speed Short-Duration Turbine Rig

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Topics: Flow (Dynamics) , Particulate matter , Rotors , Turbines , Lasers , Blades , Reynolds-averaged Navier–Stokes equations , Probes , Testing , Synchronization

Computational and Experimental Study of Film-Cooling Effectiveness With and Without Downstream Vortex Generators

Chien-Shing Lee, Tom I-P. Shih, Douglas Straub, Justin M. Weber, Edward H. Robey

J. Turbomach. February 2023, 145(2): 021007. doi: https://doi.org/10.1115/1.4055529

Abstract

View articletitled, Computational and Experimental Study of Film-Cooling Effectiveness With and Without Downstream Vortex Generators

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Topics: Film cooling , Flow (Dynamics) , Temperature , Vortices , Generators , Heat transfer , Cooling

The Modeling of Roughness Effect on the Performance of a Controlled Diffusion Airfoil

Grégory Delvaux, Riccardo Toracchio, Elissavet Boufidi, Emma Croner, Fabrizio Fontaneto

J. Turbomach. February 2023, 145(2): 021008. doi: https://doi.org/10.1115/1.4055574

Abstract

View articletitled, The Modeling of Roughness Effect on the Performance of a Controlled Diffusion Airfoil

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Topics: Surface roughness

The Influence of Combustor Hot Streaks on the Aerodynamic Performance of a Turbine Center Frame

Ena Badžek, Marios Patinios, Federica Farisco, Franz Heitmeir, Emil Göttlich

J. Turbomach. February 2023, 145(2): 021009. doi: https://doi.org/10.1115/1.4055575

Abstract

View articletitled, The Influence of Combustor Hot Streaks on the Aerodynamic Performance of a Turbine Center Frame

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Topics: Flow (Dynamics) , Pressure , Temperature , Turbines , Combustion chambers

Application of Adjoint-Enhanced First Order Second Moment Method for Robust Design Optimization of a High Pressure Compressor Rotor

Max Dittmann, Robin Schmidt, Marcus Meyer

J. Turbomach. February 2023, 145(2): 021010. doi: https://doi.org/10.1115/1.4055578

Abstract

View articletitled, Application of Adjoint-Enhanced First Order Second Moment Method for Robust Design Optimization of a High Pressure Compressor Rotor

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Topics: Compressors , Design , Optimization , Rotors , Uncertainty , Blades , High pressure (Physics)

Instabilities Everywhere! Hard Problems in Aero-Engines

Zoltán S. Spakovszky

J. Turbomach. February 2023, 145(2): 021011. doi: https://doi.org/10.1115/1.4055424

Abstract

View articletitled, Instabilities <em>Everywhere!</em> Hard Problems in Aero-Engines

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Topics: Aircraft engines , Damping , Engines , Whirls , Compressors , Bearings , Rotors , Flow (Dynamics) , Flutter (Aerodynamics)

The Effect of Reaction on Compressor Performance

Krishan S. Chana, Robert J. Miller

J. Turbomach. February 2023, 145(2): 021012. doi: https://doi.org/10.1115/1.4049914

Abstract

View articletitled, The Effect of Reaction on Compressor Performance

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Topics: Blades , Boundary layers , Compressors , Computational fluid dynamics , Design , Pressure , Rotation , Rotors , Stators , Flow (Dynamics)

PDA Laser Measurements of Droplet-Laden Flows in a Four-Stage Axial Compressor

Tobias Doerr, Sebastian Schuster, Dieter Brillert

J. Turbomach. February 2023, 145(2): 021013. doi: https://doi.org/10.1115/1.4055767

Abstract

View articletitled, PDA Laser Measurements of Droplet-Laden Flows in a Four-Stage Axial Compressor

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Topics: Drops , Compressors , Mach number , Flow (Dynamics)

Experimental Study of Impact of In-Service Deterioration on Thermal Performance of High-Pressure Nozzle Guide Vanes

Mathias Michaud, Nafiz H. K. Chowdhury, Thomas Povey

J. Turbomach. February 2023, 145(2): 021014. doi: https://doi.org/10.1115/1.4055864

Abstract

View articletitled, Experimental Study of Impact of In-Service Deterioration on Thermal Performance of High-Pressure Nozzle Guide Vanes

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Topics: Coolants , Cooling , Film cooling , Surface roughness , Temperature , Engines , Thermal barrier coatings , Heat transfer

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Research Papers

Profile Loss Reduction of High-Lift Turbine Blades With Rough and Ribbed Surfaces

Mechanism of Axial Compressor Tip Clearance Noise Based on Taylor–Couette Flow Rotating Instability

Frequency Lock-In Phenomenon of Vortex Induced Vibration of a Rotating Blade Considering Bending-Torsion Coupling Effect

A Resistive Model to Characterize Overall Effectiveness Influenced by Multiple Coolant Temperatures

Film Cooling and Cold Streaks Tracking on a Fully Cooled Nozzle Guide Vane Under Representative Combustor Outflow Conditions

Particle Image Velocimetry in a High-Speed Short-Duration Turbine Rig

Computational and Experimental Study of Film-Cooling Effectiveness With and Without Downstream Vortex Generators

The Modeling of Roughness Effect on the Performance of a Controlled Diffusion Airfoil

The Influence of Combustor Hot Streaks on the Aerodynamic Performance of a Turbine Center Frame

Application of Adjoint-Enhanced First Order Second Moment Method for Robust Design Optimization of a High Pressure Compressor Rotor

Instabilities Everywhere! Hard Problems in Aero-Engines

The Effect of Reaction on Compressor Performance

PDA Laser Measurements of Droplet-Laden Flows in a Four-Stage Axial Compressor

Experimental Study of Impact of In-Service Deterioration on Thermal Performance of High-Pressure Nozzle Guide Vanes

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