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Journal Articles

INVESTIGATION OF THE INTERACTION BETWEEN TIP LEAKAGE AND MAIN ANNULUS FLOW IN THE LARGE SCALE TURBINE RIG: COMPARISON OF DIFFERENT ROTOR TIP GEOMETRIES

Dominik Ade, Johannes Eitenmueller, Sebastian Leichtfuss, Heinz-Peter Schiffer, Christoph Lyko, Gregor Schmid

J. Turbomach.

Paper No: TURBO-22-1224

DOI: https://doi.org/10.1115/1.4062123

Published Online: March 13, 2023

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Topics: Annulus, Cavities, Design, Flow (Dynamics), Leakage, Leakage flows, Rotors, Turbines, Turbochargers, Blades

Journal Articles

Leakage Flow Impact on Shrouded Stator Cavity Flow Topology and Associated High-Speed Axial Compressor Stage Performance

Cedric Babin, Xavier Ottavy, Fabrizio Fontaneto

J. Turbomach. May 2023, 145(5): 051016.

Paper No: TURBO-22-1321

DOI: https://doi.org/10.1115/1.4056698

Published Online: March 2, 2023

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Topics: Cavities, Compressors, Flow (Dynamics), Leakage, Leakage flows, Stators, Cavity flows, Design, Temperature

Journal Articles

Aerothermal Performance of Axially Varying Winglet-Squealer Blade Tips

Anmol Garg, Nagabhushana Rao Vadlamani, Balaji Srinivasan

J. Turbomach. July 2023, 145(7): 071009.

Paper No: TURBO-22-1134

DOI: https://doi.org/10.1115/1.4056712

Published Online: February 10, 2023

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

Journal Articles

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.

Paper No: TURBO-22-1261

DOI: https://doi.org/10.1115/1.4056697

Published Online: February 9, 2023

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

Journal Articles

Aerodynamic Performance and Leakage Flow in Turbine Cascades With Sweeping Jet Actuators

Shaowen Chen, Weihang Li, Pengcheng Yang, Yueqi Liu

J. Turbomach. June 2023, 145(6): 061015.

Paper No: TURBO-22-1232

DOI: https://doi.org/10.1115/1.4056579

Published Online: January 30, 2023

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Topics: Actuators, Blades, Cascades (Fluid dynamics), Clearances (Engineering), Flow (Dynamics), Leakage flows, Turbines, Pressure, Flow control

Journal Articles

Experimental and Numerical Investigation of High Load Turbine Blade Tip Cavity Structures

Yingjie Chen, Dengyu Jiang, Zhengshuai Du, Songtao Wang

J. Turbomach. June 2023, 145(6): 061008.

Paper No: TURBO-22-1112

DOI: https://doi.org/10.1115/1.4056512

Published Online: January 9, 2023

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Topics: Blades, Cavities, Clearances (Engineering), Flow (Dynamics), Flow visualization, Leakage, Leakage flows, Pressure, Suction, Vortices

Journal Articles

Robustness Analysis on Aerothermal Performance of the Winglet Squealer Tip—Part 1: Aerodynamic Performance

Ming Huang, Zhigang Li, Jun Li

J. Turbomach. January 2023, 145(1): 011013.

Paper No: TURBO-22-1081

DOI: https://doi.org/10.1115/1.4055441

Published Online: October 10, 2022

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Topics: Blades, Cavities, Clearances (Engineering), Flow (Dynamics), Leakage, Leakage flows, Mach number, Pressure, Robustness, Suction

Journal Articles

Loss Analysis of Cavity Leakage Flow in a Compressor Cascade

Hefang Deng, Kailong Xia, Jinfang Teng, Shaopeng Lu, Mingmin Zhu, Xiaoqing Qiang

J. Turbomach. December 2022, 144(12): 121008.

Paper No: TURBO-22-1156

DOI: https://doi.org/10.1115/1.4055334

Published Online: September 19, 2022

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Topics: Cascades (Fluid dynamics), Cavities, Clearances (Engineering), Compressors, Entropy, Flow (Dynamics), Leakage flows, Pressure, Boundary layers, Leakage

Journal Articles

Extending Highly Loaded Axial Fan Operability Range Through Novel Blade Design

Diego I. Lopez, Tiziano Ghisu, Timoleon Kipouros, Shahrokh Shahpar, Mark Wilson

J. Turbomach. December 2022, 144(12): 121009.

Paper No: TURBO-22-1121

DOI: https://doi.org/10.1115/1.4055350

Published Online: September 19, 2022

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Topics: Blades, Design, Computational fluid dynamics, Flow (Dynamics), Stability, Pressure, Momentum, Leakage flows, Leakage

Journal Articles

Efficient Uncertainty Quantification and Sensitivity Analysis on the Aerothermal Performance of Turbine Blade Squealer Tip

Ming Huang, Zhigang Li, Jun Li, Liming Song

J. Turbomach. May 2022, 144(5): 051014.

Paper No: TURBO-21-1158

DOI: https://doi.org/10.1115/1.4054067

Published Online: March 31, 2022

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Topics: Blades, Cavities, Clearances (Engineering), Flow (Dynamics), Heat transfer, Leakage flows, Sensitivity analysis, Turbine blades, Uncertainty, Uncertainty quantification

Journal Articles

Detached Eddy Simulation: Recent Development and Application to Compressor Tip Leakage Flow

Xiao He, Fanzhou Zhao, Mehdi Vahdati

J. Turbomach. January 2022, 144(1): 011009.

Paper No: TURBO-21-1145

DOI: https://doi.org/10.1115/1.4052019

Published Online: September 21, 2021

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Topics: Compressors, Delay differential equations, Eddies (Fluid dynamics), Flow (Dynamics), Leakage flows, Reynolds-averaged Navier–Stokes equations, Rotors, Simulation, Turbulence

Journal Articles

PHANTOM COOLING EFFECTS ON ROTOR BLADE SURFACE HEAT FLUX IN A TRANSONIC FULL SCALE 1+1/2 STAGE ROTATING TURBINE

Richard J. Anthony, John Finnegan, John Clark

J. Turbomach.

Paper No: TURBO-20-1285

DOI: https://doi.org/10.1115/1.4051245

Published Online: May 20, 2021

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Topics: Blades, Film cooling, Heat flux, Phantom cooling, Rotors, Turbine blades, Turbines, Turbochargers, Pressure, Air Force

Journal Articles

Effect of Tip Clearance on Rotating Stall in a Mixed-Flow Pump

Wei Li, Leilei Ji, Enda Li, Ling Zhou, Ramesh K. Agarwal

J. Turbomach. September 2021, 143(9): 091013.

Paper No: TURBO-20-1052

DOI: https://doi.org/10.1115/1.4050625

Published Online: May 12, 2021

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Topics: Blades, Clearances (Engineering), Flow (Dynamics), Leakage flows, Pumps, Impellers, Vortices, Leakage

Journal Articles

Investigations Into Heat Transfer and Aerodynamic Performance of a Worn Squealer Tipped Turbine Stage

Xin Yan, Mingliang Ye, Kun He

J. Turbomach. September 2020, 142(9): 091012.

Paper No: TURBO-19-1218

DOI: https://doi.org/10.1115/1.4047632

Published Online: August 25, 2020

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Topics: Blades, Cavities, Design, Flow (Dynamics), Heat transfer, Heat transfer coefficients, Turbines, Wear, Damage, Vortices

Journal Articles

Effect of Turbine Blade Tip Cooling Configuration on Tip Leakage Flow and Heat Transfer

Sergen Sakaoglu, Harika S. Kahveci

J. Turbomach. February 2020, 142(2): 021008.

Paper No: TURBO-19-1274

DOI: https://doi.org/10.1115/1.4045466

Published Online: January 24, 2020

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Topics: Blades, Clearances (Engineering), Cooling, Flow (Dynamics), Heat transfer, Leakage flows, Pressure, Turbine blades, Coolants, Aerodynamics

Journal Articles

On the Effects of Tip Clearance and Operating Condition on the Flow Structures Within an Axial Turbomachine Rotor Passage

Yuanchao Li, Huang Chen, David Tan, Joseph Katz

J. Turbomach. November 2019, 141(11): 111002.

Paper No: TURBO-18-1246

DOI: https://doi.org/10.1115/1.4044496

Published Online: October 10, 2019

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Topics: Blades, Chords (Trusses), Clearances (Engineering), Flow (Dynamics), Leakage, Rotors, Turbomachinery, Vortices, Vorticity, Cavitation

Journal Articles

Effect of Leakage Flows on the Performance of a Family of Inline Centrifugal Compressors

Hamid Hazby, Michael Casey, Luboš Březina

J. Turbomach. September 2019, 141(9): 091006.

Paper No: TURBO-18-1347

DOI: https://doi.org/10.1115/1.4043786

Published Online: June 3, 2019

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Topics: Compressors, Computational fluid dynamics, Flow (Dynamics), Impellers, Leakage, Leakage flows, Cavities

Journal Articles

The Role of Tip Leakage Flow in Spike-Type Rotating Stall Inception

M. Hewkin-Smith, G. Pullan, S. D. Grimshaw, E. M. Greitzer, Z. S. Spakovszky

J. Turbomach. June 2019, 141(6): 061010.

Paper No: TURBO-18-1342

DOI: https://doi.org/10.1115/1.4042250

Published Online: February 8, 2019

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Topics: Chords (Trusses), Clearances (Engineering), Flow (Dynamics), Leakage flows, Rotors, Separation (Technology), Corners (Structural elements), Leakage, Momentum, Stall inception

Journal Articles

Experimental and Numerical Investigation of Optimized Blade Tip Shapes—Part II: Tip Flow Analysis and Loss Mechanisms

Marek Pátý, Bogdan C. Cernat, Cis De Maesschalck, Sergio Lavagnoli

J. Turbomach. January 2019, 141(1): 011007.

Paper No: TURBO-18-1220

DOI: https://doi.org/10.1115/1.4041466

Published Online: October 18, 2018

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Topics: Blades, Flow (Dynamics), Leakage, Rotors, Vortices, Geometry, Design, Suction, Leakage flows, Turbines

Journal Articles

Aerodynamic Interaction Between an Incoming Vortex and Tip Leakage Flow in a Turbine Cascade

Kai Zhou, Chao Zhou

J. Turbomach. November 2018, 140(11): 111004.

Paper No: TURBO-18-1235

DOI: https://doi.org/10.1115/1.4041514

Published Online: October 8, 2018

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Topics: Vortices, Cascades (Fluid dynamics), Leakage, Flow (Dynamics), Blades, Swirling flow, Generators, Leakage flows, Turbines

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INVESTIGATION OF THE INTERACTION BETWEEN TIP LEAKAGE AND MAIN ANNULUS FLOW IN THE LARGE SCALE TURBINE RIG: COMPARISON OF DIFFERENT ROTOR TIP GEOMETRIES

Leakage Flow Impact on Shrouded Stator Cavity Flow Topology and Associated High-Speed Axial Compressor Stage Performance

Aerothermal Performance of Axially Varying Winglet-Squealer Blade Tips

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

Aerodynamic Performance and Leakage Flow in Turbine Cascades With Sweeping Jet Actuators

Experimental and Numerical Investigation of High Load Turbine Blade Tip Cavity Structures

Robustness Analysis on Aerothermal Performance of the Winglet Squealer Tip—Part 1: Aerodynamic Performance

Loss Analysis of Cavity Leakage Flow in a Compressor Cascade

Extending Highly Loaded Axial Fan Operability Range Through Novel Blade Design

Efficient Uncertainty Quantification and Sensitivity Analysis on the Aerothermal Performance of Turbine Blade Squealer Tip

Detached Eddy Simulation: Recent Development and Application to Compressor Tip Leakage Flow

PHANTOM COOLING EFFECTS ON ROTOR BLADE SURFACE HEAT FLUX IN A TRANSONIC FULL SCALE 1+1/2 STAGE ROTATING TURBINE

Effect of Tip Clearance on Rotating Stall in a Mixed-Flow Pump

Investigations Into Heat Transfer and Aerodynamic Performance of a Worn Squealer Tipped Turbine Stage

Effect of Turbine Blade Tip Cooling Configuration on Tip Leakage Flow and Heat Transfer

On the Effects of Tip Clearance and Operating Condition on the Flow Structures Within an Axial Turbomachine Rotor Passage

Effect of Leakage Flows on the Performance of a Family of Inline Centrifugal Compressors

The Role of Tip Leakage Flow in Spike-Type Rotating Stall Inception

Experimental and Numerical Investigation of Optimized Blade Tip Shapes—Part II: Tip Flow Analysis and Loss Mechanisms

Aerodynamic Interaction Between an Incoming Vortex and Tip Leakage Flow in a Turbine Cascade

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