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Volume 146, Issue 5

May 2024

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ISSN 0889-504X

EISSN 1528-8900

In this Issue

Research Papers

Research Papers

Pressure Sensitive Paint and Large Eddy Simulation Investigation on the Impact of Trench Depth on Flat Plate Film Cooling Through Shaped Holes

H. Abdeh, G. Barigozzi, A. Zamiri, J. T. Chung

J. Turbomach. May 2024, 146(5): 051001. doi: https://doi.org/10.1115/1.4064229

Abstract

View articletitled, Pressure Sensitive Paint and Large Eddy Simulation Investigation on the Impact of Trench Depth on Flat Plate Film Cooling Through Shaped Holes

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Topics: Coolants , Film cooling , Flat plates , Large eddy simulation , Pressure , Geometry , Flow (Dynamics) , Cooling , Wind tunnels

Swirl Enhancement Effect on Turbine Rim Seal Performance

Mingeun Choi, Bonhan Goo, GeonHwan Cho, Seung Jin Song

J. Turbomach. May 2024, 146(5): 051002. doi: https://doi.org/10.1115/1.4064230

Abstract

View articletitled, Swirl Enhancement Effect on Turbine Rim Seal Performance

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Topics: Flow (Dynamics) , Pressure , Sealing (Process) , Turbines , Wheels , Rotors , Design , Gas turbines , Clearances (Engineering) , Compressors

Loss Analysis in Radial Inflow Turbines for Supercritical CO₂ Mixtures

Omar Aqel, Martin White, Abdulnaser Sayma

J. Turbomach. May 2024, 146(5): 051003. doi: https://doi.org/10.1115/1.4064193

Abstract

View articletitled, Loss Analysis in Radial Inflow Turbines for Supercritical CO<sub>2</sub> Mixtures

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Topics: Carbon dioxide , Design , Fluids , Turbines , Pressure , Inflow , Clearances (Engineering)

Evaluation of Cooling Requirements for Rotating Detonation Combustors

Umberto Sandri, Shreyas Ramanagar Sridhara, Antonio Andreini, Myles D. Bohon, A. Picchi, B. Facchini

J. Turbomach. May 2024, 146(5): 051004. doi: https://doi.org/10.1115/1.4064260

Abstract

View articletitled, Evaluation of Cooling Requirements for Rotating Detonation Combustors

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Topics: Combustion chambers , Cooling , Explosions , Flow (Dynamics) , Pressure , Thermal loads , Heat , Stress , Convection , Temperature

Effects of Water-to-Air Mass Ratio on Long-Term Washing Efficiency and Erosion Risk in an Axial Compressor Under Online Washing Conditions

Giuliano Agati, Paolo Venturini, Serena Gabriele, Franco Rispoli, Domenico Borello

J. Turbomach. May 2024, 146(5): 051005. doi: https://doi.org/10.1115/1.4064225

Abstract

View articletitled, Effects of Water-to-Air Mass Ratio on Long-Term Washing Efficiency and Erosion Risk in an Axial Compressor Under Online Washing Conditions

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Topics: Blades , Drops , Erosion , Water , Compressors , Rotors , Risk

TPIV Experimental Investigation of Film Coolant-to-Mainstream Interaction From Shaped Cooling Holes With Various Inlet Geometries

Hanlin Wang, Lesley M. Wright

J. Turbomach. May 2024, 146(5): 051006. doi: https://doi.org/10.1115/1.4064261

Abstract

View articletitled, TPIV Experimental Investigation of Film Coolant-to-Mainstream Interaction From Shaped Cooling Holes With Various Inlet Geometries

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Topics: Coolants , Cooling , Film cooling , Flow (Dynamics) , Imaging , Momentum , Particulate matter , Turbulence , Vortices , Vorticity

An Improved Passage-Flow Turning Model for Forward-Curved Blades of Squirrel-Cage Fan

Boyan Jiang, Xiaopei Yang, Jun Wang, Zhiliang Lin, Jinkang Hu

J. Turbomach. May 2024, 146(5): 051007. doi: https://doi.org/10.1115/1.4064309

Abstract

View articletitled, An Improved Passage-Flow Turning Model for Forward-Curved Blades of Squirrel-Cage Fan

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Topics: Blades , Flow (Dynamics) , Pressure

Roughness Related to Cooling Performance of Channels Made Through Additive Manufacturing

Alexander J. Wildgoose, Karen A. Thole, Erika Tuneskog, Lieke Wang

J. Turbomach. May 2024, 146(5): 051008. doi: https://doi.org/10.1115/1.4064310

Abstract

View articletitled, Roughness Related to Cooling Performance of Channels Made Through Additive Manufacturing

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Topics: Friction , Heat transfer , Pressure , Surface roughness , Cooling , Additive manufacturing

Improvements in the Prediction of Steady and Unsteady Transition and Mixing in Low-Pressure Turbines by Means of Machine-Learnt Closures

Roberto Pacciani, Michele Marconcini, Andrea Arnone, Francesco Bertini, Ennio Spano, Simone Rosa Taddei, Richard D. Sandberg

J. Turbomach. May 2024, 146(5): 051009. doi: https://doi.org/10.1115/1.4064312

Abstract

View articletitled, Improvements in the Prediction of Steady and Unsteady Transition and Mixing in Low-Pressure Turbines by Means of Machine-Learnt Closures

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Topics: Blades , Boundary layers , Cascades (Fluid dynamics) , Machinery , Pressure , Reynolds number , Reynolds-averaged Navier–Stokes equations , Turbines , Turbulence , Wakes

Heat Transfer Coefficient and Adiabatic Effectiveness Measurements on a Nozzle Guide Vane With a Single Row of Cylindrical Holes

S. Galeotti, T. Bacci, A. Picchi, B. Facchini, S. Cubeda

J. Turbomach. May 2024, 146(5): 051010. doi: https://doi.org/10.1115/1.4064315

Abstract

View articletitled, Heat Transfer Coefficient and Adiabatic Effectiveness Measurements on a Nozzle Guide Vane With a Single Row of Cylindrical Holes

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Topics: Boundary layers , Coolants , Film cooling , Flow (Dynamics) , Free stream turbulence , Heat transfer coefficients , Nozzle guide vanes , Pressure , Suction , Turbulence

Effects of Downstream Vortex Generators on Film Cooling a Flat Plate Fed by Crossflow

Douglas Straub, Justin Weber, Arnab Roy, Chien-Shing Lee, Tom I-P. Shih

J. Turbomach. May 2024, 146(5): 051011. doi: https://doi.org/10.1115/1.4064316

Abstract

View articletitled, Effects of Downstream Vortex Generators on Film Cooling a Flat Plate Fed by Crossflow

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Topics: Computational fluid dynamics , Coolants , Cooling , Film cooling , Vortices , Generators , Heat transfer coefficients , Temperature

Compressor Tip Leakage Mechanisms

James V. Taylor, Anthony M. J. Dickens, Harry Simpson

J. Turbomach. May 2024, 146(5): 051012. doi: https://doi.org/10.1115/1.4064317

Abstract

View articletitled, Compressor Tip Leakage Mechanisms

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Topics: Blades , Compressors , Design , Flow (Dynamics) , Leakage , Leakage flows , Pressure , Reynolds-averaged Navier–Stokes equations , Shear (Mechanics) , Suction

Experimental Investigation of Additional Loss Associated With Incoming Wakes in Low-Pressure Turbine Cascades

Hidekazu Kodama, Ken-ichi Funazaki

J. Turbomach. May 2024, 146(5): 051013. doi: https://doi.org/10.1115/1.4064318

Abstract

View articletitled, Experimental Investigation of Additional Loss Associated With Incoming Wakes in Low-Pressure Turbine Cascades

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Topics: Blades , Cascades (Fluid dynamics) , Flow (Dynamics) , Pressure , Reynolds number , Suction , Turbines , Wakes , Unsteady flow , Boundary layers

Unsteady Investigation of Intermediate Turbine Ducts Under the Influence of Purge Flows

Filippo Merli, Nicolas Krajnc, Asim Hafizovic, Malte Schien, Emil Göttlich

J. Turbomach. May 2024, 146(5): 051014. doi: https://doi.org/10.1115/1.4064319

Abstract

View articletitled, Unsteady Investigation of Intermediate Turbine Ducts Under the Influence of Purge Flows

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Topics: Ducts , Flow (Dynamics) , Pressure , Turbines , Rotors

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CONTROL OF SHROUD LEAKAGE LOSS AND WINDAGE TORQUE IN A LOW-PRESSURE TURBINE STAGE

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Research Papers

Pressure Sensitive Paint and Large Eddy Simulation Investigation on the Impact of Trench Depth on Flat Plate Film Cooling Through Shaped Holes

Swirl Enhancement Effect on Turbine Rim Seal Performance

Loss Analysis in Radial Inflow Turbines for Supercritical CO₂ Mixtures

Evaluation of Cooling Requirements for Rotating Detonation Combustors

Effects of Water-to-Air Mass Ratio on Long-Term Washing Efficiency and Erosion Risk in an Axial Compressor Under Online Washing Conditions

TPIV Experimental Investigation of Film Coolant-to-Mainstream Interaction From Shaped Cooling Holes With Various Inlet Geometries

An Improved Passage-Flow Turning Model for Forward-Curved Blades of Squirrel-Cage Fan

Roughness Related to Cooling Performance of Channels Made Through Additive Manufacturing

Improvements in the Prediction of Steady and Unsteady Transition and Mixing in Low-Pressure Turbines by Means of Machine-Learnt Closures

Heat Transfer Coefficient and Adiabatic Effectiveness Measurements on a Nozzle Guide Vane With a Single Row of Cylindrical Holes

Effects of Downstream Vortex Generators on Film Cooling a Flat Plate Fed by Crossflow

Compressor Tip Leakage Mechanisms

Experimental Investigation of Additional Loss Associated With Incoming Wakes in Low-Pressure Turbine Cascades

Unsteady Investigation of Intermediate Turbine Ducts Under the Influence of Purge Flows

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