Topics: Cavities , Film cooling , Flow (Dynamics) , Heat transfer , Heat transfer coefficients , Struts (Engineering) , Cooling , Turbines , Density , Heat flux

Improved Prediction of Losses With Large Eddy Simulation in a Low-Pressure Turbine

Kenji Miki, Ali Ameri

J. Turbomach. July 2022, 144(7): 071002. doi: https://doi.org/10.1115/1.4053234

Abstract

View articletitled, Improved Prediction of Losses With Large Eddy Simulation in a Low-Pressure Turbine

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Topics: Pressure , Turbulence , Wakes , Separation (Technology) , Flow (Dynamics) , Blades , Turbines , Suction , Emission spectroscopy , Spectroscopy

Surface Heater Fabrication Using Micro-Lithography for Transpiration Cooling Heat Transfer Coefficient Measurements

Zheng Min, Sarwesh Parbat, Qing-Ming Wang, Minking K. Chyu

J. Turbomach. July 2022, 144(7): 071003. doi: https://doi.org/10.1115/1.4053233

Abstract

View articletitled, Surface Heater Fabrication Using Micro-Lithography for Transpiration Cooling Heat Transfer Coefficient Measurements

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Topics: Adiabatic cooling , Coolants , Heat transfer , Heat transfer coefficients , Lithography , Manufacturing , Transpiration , Steady state , Film cooling , Design

Cooling Performance of Additively Manufactured Pin Fins in Stacked Microchannels for the Inside-Out Ceramic Turbine Shroud-Cooling Ring

Patrick K. Dubois, Alexandre Landry-Blais, Rym Gazzah, Sani Sivić, Vladimir Brailovski, Mathieu Picard

J. Turbomach. July 2022, 144(7): 071004. doi: https://doi.org/10.1115/1.4053232

Abstract

View articletitled, Cooling Performance of Additively Manufactured Pin Fins in Stacked Microchannels for the Inside-Out Ceramic Turbine Shroud-Cooling Ring

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Topics: Additive manufacturing , Cooling , Design , Fins , Flow (Dynamics) , Friction , Heat transfer , Turbines , Ceramics , Pins (Engineering)

Flow Check and Adiabatic Effectiveness Measurements on Traditionally Versus Additively Manufactured Film-Cooling Holes

S. Cubeda, L. Andrei, L. Innocenti, F. Paone, L. Cocchi, A. Picchi, B. Facchini

J. Turbomach. July 2022, 144(7): 071005. doi: https://doi.org/10.1115/1.4053289

Abstract

View articletitled, Flow Check and Adiabatic Effectiveness Measurements on Traditionally Versus Additively Manufactured Film-Cooling Holes

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Topics: Electrical discharge machining , Film cooling , Flow (Dynamics) , Discharge coefficient , Manufacturing

Experimental and Numerical Study of Heat Transfer and Pressure Loss in a Swirl Multi-Pass Channel With Convergent Jet Slots

Yong Luan, Yu Rao, Kai Wang, Weilong Wu

J. Turbomach. July 2022, 144(7): 071006. doi: https://doi.org/10.1115/1.4053487

Abstract

View articletitled, Experimental and Numerical Study of Heat Transfer and Pressure Loss in a Swirl Multi-Pass Channel With Convergent Jet Slots

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Topics: Flow (Dynamics) , Heat transfer , Pressure , Swirling flow

Experimental and Numerical Study of the Turbulent Flow and Heat Transfer in a Wedge-Shaped Channel With Guiding Pin Fin Arrays Under Rotating Conditions

Ce Liang, Yu Rao, Jianian Chen, Peng Zhang

J. Turbomach. July 2022, 144(7): 071007. doi: https://doi.org/10.1115/1.4053488

Abstract

View articletitled, Experimental and Numerical Study of the Turbulent Flow and Heat Transfer in a Wedge-Shaped Channel With Guiding Pin Fin Arrays Under Rotating Conditions

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Topics: Cooling , Flow (Dynamics) , Heat transfer , Reynolds number , Rotation , Wedges , Temperature

Film Cooling Effectiveness Measurement of Fan-Shaped Holes Manufactured Using Electrical Discharge Machining Technique

S. Rouina, H. Abdeh, G. Barigozzi, V. Odemondo, L. Abba, M. Iannone

J. Turbomach. July 2022, 144(7): 071008. doi: https://doi.org/10.1115/1.4053236

Abstract

View articletitled, Film Cooling Effectiveness Measurement of Fan-Shaped Holes Manufactured Using Electrical Discharge Machining Technique

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Topics: Coolants , Electrical discharge machining , Film cooling , Manufacturing , Diffusers , Pressure , Flat plates , Flow (Dynamics) , Reynolds number

A Simplified Method for the Deposition Rate Assessment on the Vanes of a Multistage Axial-Flow Compressor

Alessandro Vulpio, Alessio Suman, Nicola Casari, Michele Pinelli

J. Turbomach. July 2022, 144(7): 071009. doi: https://doi.org/10.1115/1.4053288

Abstract

View articletitled, A Simplified Method for the Deposition Rate Assessment on the Vanes of a Multistage Axial-Flow Compressor

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Topics: Compressors , Particulate matter , Flow (Dynamics)

Effective Clearance and Differential Gapping Impact on Seal Flutter Modeling and Validation

Roque Corral, Michele Greco, Almudena Vega

J. Turbomach. July 2022, 144(7): 071010. doi: https://doi.org/10.1115/1.4053290

Abstract

View articletitled, Effective Clearance and Differential Gapping Impact on Seal Flutter Modeling and Validation

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Topics: Cavities , Kinetic energy , Pressure , Stability , Clearances (Engineering) , Simulation , Flutter (Aerodynamics) , Flow (Dynamics) , Discharge coefficient , Computational fluid dynamics

A Contra-Rotating Open Rotor Noise Reduction Methodology by Using Anhedral Blade Tip

Tianxiao Yang, Wenjun Yu, Dong Liang, Xiang He, Zhenguo Zhao

J. Turbomach. July 2022, 144(7): 071011. doi: https://doi.org/10.1115/1.4053384

Abstract

View articletitled, A Contra-Rotating Open Rotor Noise Reduction Methodology by Using Anhedral Blade Tip

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Topics: Blades , Noise (Sound) , Rotors , Noise control

One-Dimensional Modeling for Pulsed Flow Twin-Entry Turbine

Bijie Yang, Ricardo Martinez-Botas, Yingxian Xue, Mingyang Yang

J. Turbomach. July 2022, 144(7): 071012. doi: https://doi.org/10.1115/1.4053489

Abstract

View articletitled, One-Dimensional Modeling for Pulsed Flow Twin-Entry Turbine

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Topics: Flow (Dynamics) , Modeling , Pressure , Rotors , Turbines , Computational fluid dynamics

Exploring Topology Optimization for High Pressure Turbine Blade Tips

Luka Vincekovic, Alistair John, Ning Qin, Shahrokh Shahpar

J. Turbomach. July 2022, 144(7): 071013. doi: https://doi.org/10.1115/1.4053917

Abstract

View articletitled, Exploring Topology Optimization for High Pressure Turbine Blade Tips

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Topics: Blades , Design , Optimization , Topology , High pressure (Physics) , Turbines , Pressure , Flow (Dynamics) , Parametrization

Investigation on the Contribution of Large-Scale Fluctuation and Small-Scale Disturbance of Coolant to Heat Transfer Enhancement in a Rectangular Channel With Pin Fins

Jingtian Duan, Ke Zhang, Jin Xu, Jiang Lei, Junmei Wu

J. Turbomach. July 2022, 144(7): 071014. doi: https://doi.org/10.1115/1.4054446

Abstract

View articletitled, Investigation on the Contribution of Large-Scale Fluctuation and Small-Scale Disturbance of Coolant to Heat Transfer Enhancement in a Rectangular Channel With Pin Fins

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Topics: Fins , Flow (Dynamics) , Heat transfer , Statistics , Turbulence , Pins (Engineering) , Shear (Mechanics) , Reynolds number , Fluctuations (Physics) , Principal component analysis

Effect of Spanwise Hole-to-Hole Spacing on Overall Cooling Effectiveness of Effusion Cooled Combustor Liners for a Swirl-Stabilized Can Combustor

Shoaib Ahmed, Benjamin H. Wahls, Srinath V. Ekkad, Hanjie Lee, Yin-Hsiang Ho

J. Turbomach. July 2022, 144(7): 071015. doi: https://doi.org/10.1115/1.4054442

Abstract

View articletitled, Effect of Spanwise Hole-to-Hole Spacing on Overall Cooling Effectiveness of Effusion Cooled Combustor Liners for a Swirl-Stabilized Can Combustor

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Topics: Combustion chambers , Cooling , Flow (Dynamics) , Coolants , Temperature

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VALIDATION OF FILTERED RAYLEIGH SCATTERING OPTICAL RAKE MEASUREMENT TECHNIQUES IN TURBOMACHINERY APPLICATIONS AND BOUNDARY LAYERS

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Erratum: “Formation of High-Temperature Minerals From an Evaporite-Rich Dust in Gas Turbine Engine Ingestion Tests” [ASME. J. Turbomach. June 2021; 143(6): 061003. https://doi.org/10.1115/1.4050146]

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Research Papers

The Influence of Purge Flow Parameters on Heat Transfer and Film Cooling in Turbine Center Frames

Improved Prediction of Losses With Large Eddy Simulation in a Low-Pressure Turbine

Surface Heater Fabrication Using Micro-Lithography for Transpiration Cooling Heat Transfer Coefficient Measurements

Cooling Performance of Additively Manufactured Pin Fins in Stacked Microchannels for the Inside-Out Ceramic Turbine Shroud-Cooling Ring

Flow Check and Adiabatic Effectiveness Measurements on Traditionally Versus Additively Manufactured Film-Cooling Holes

Experimental and Numerical Study of Heat Transfer and Pressure Loss in a Swirl Multi-Pass Channel With Convergent Jet Slots

Experimental and Numerical Study of the Turbulent Flow and Heat Transfer in a Wedge-Shaped Channel With Guiding Pin Fin Arrays Under Rotating Conditions

Film Cooling Effectiveness Measurement of Fan-Shaped Holes Manufactured Using Electrical Discharge Machining Technique

A Simplified Method for the Deposition Rate Assessment on the Vanes of a Multistage Axial-Flow Compressor

Effective Clearance and Differential Gapping Impact on Seal Flutter Modeling and Validation

A Contra-Rotating Open Rotor Noise Reduction Methodology by Using Anhedral Blade Tip

One-Dimensional Modeling for Pulsed Flow Twin-Entry Turbine

Exploring Topology Optimization for High Pressure Turbine Blade Tips

Investigation on the Contribution of Large-Scale Fluctuation and Small-Scale Disturbance of Coolant to Heat Transfer Enhancement in a Rectangular Channel With Pin Fins

Effect of Spanwise Hole-to-Hole Spacing on Overall Cooling Effectiveness of Effusion Cooled Combustor Liners for a Swirl-Stabilized Can Combustor

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