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Proceedings Papers

Specific Speed Considerations for Inward Flow Radial Supercritical CO 2 Turbines

Syed J. Hoque, Pramod Kumar, Pramod Chandra Gopi

Proc. ASME. GT2022, Volume 9: Supercritical CO2, V009T28A011, June 13–17, 2022

Paper No: GT2022-82090

DOI: https://doi.org/10.1115/GT2022-82090

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Topics: Coriolis force, Design, Flow (Dynamics), Supercritical carbon dioxide, Turbines, Gas turbines, Blades, Rotors, Boundary-value problems, Computational fluid dynamics

Proceedings Papers

Numerical Investigation on Mitigation of Heat Transfer Deterioration of Supercritical CO2 Flow by Introducing Multiple Turbulators Along Helices in a Circular Tube

Hangfei Duan, Gongnan Xie, Yuan Ma, Shulei Li

Proc. ASME. GT2022, Volume 9: Supercritical CO2, V009T28A031, June 13–17, 2022

Paper No: GT2022-83501

DOI: https://doi.org/10.1115/GT2022-83501

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Topics: Flow (Dynamics), Heat transfer, Supercritical carbon dioxide, Turbulence

Proceedings Papers

Leakage Characteristics of a Stepped Balance Piston Labyrinth Seal in Supercritical CO2

Jason Wilkes, Natalie R. Smith, Karl Wygant, Abhay Patil, Chris Kulhanek

Proc. ASME. GT2022, Volume 9: Supercritical CO2, V009T28A023, June 13–17, 2022

Paper No: GT2022-83262

DOI: https://doi.org/10.1115/GT2022-83262

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Topics: Leakage, Pistons, Supercritical carbon dioxide, Thrust, Aerodynamics, Clearances (Engineering), Compressors, Computational fluid dynamics, Fluid-dynamic forces, Pressure

Proceedings Papers

Influence of Geometric Parameters for a 100 kW Inward Flow Radial Supercritical CO 2 Turbine

Syed J. Hoque, Pramod Kumar, Pramod Chandra Gopi

Proc. ASME. GT2022, Volume 9: Supercritical CO2, V009T28A012, June 13–17, 2022

Paper No: GT2022-82145

DOI: https://doi.org/10.1115/GT2022-82145

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Topics: Coriolis force, Design, Flow (Dynamics), Supercritical carbon dioxide, Turbines

Proceedings Papers

Design of an Additively Manufactured Recuperator With 800 °C Inlet Temperature for sCO2 Power Cycle Application

Michael Marshall, Meysam Akbari, Ji-Cheng Zhao, Kevin Hoopes

Proc. ASME. GT2022, Volume 9: Supercritical CO2, V009T28A015, June 13–17, 2022

Paper No: GT2022-82301

DOI: https://doi.org/10.1115/GT2022-82301

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Topics: Additive manufacturing, Design, Temperature, Thermodynamic power cycles, Flow (Dynamics), Heat transfer, Lasers, Containment, Creep, Heat exchangers

Proceedings Papers

Investigation of Gas Turbine Internal Cooling Using Supercritical CO2 – Effect of Surface Roughness and Channel Aspect Ratio

Arnab Roy, Matthew Searle, Sridharan Ramesh, Douglas Straub

Proc. ASME. GT2022, Volume 9: Supercritical CO2, V009T28A026, June 13–17, 2022

Paper No: GT2022-83319

DOI: https://doi.org/10.1115/GT2022-83319

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Topics: Cooling, Gas turbines, Supercritical carbon dioxide, Surface roughness, Reynolds number, Additive manufacturing, Computational fluid dynamics, Heat transfer, Flow (Dynamics), Fluids

Proceedings Papers

Windage Loss and Flow Characteristics in Impeller Back Clearance of sCO 2 Centrifugal Compressor

Lehao Hu, Qinghua Deng, Zhigang Li, Jun Li, Zhenping Feng

Proc. ASME. GT2022, Volume 9: Supercritical CO2, V009T28A018, June 13–17, 2022

Paper No: GT2022-82921

DOI: https://doi.org/10.1115/GT2022-82921

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Topics: Clearances (Engineering), Compressors, Flow (Dynamics), Impellers

Proceedings Papers

Fan Stability Enhancement With Partial Casing Treatments

Matthew K. Oldfield, Alejandro Castillo Pardo, Cesare A. Hall

Proc. ASME. GT2022, Volume 10A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V10AT29A020, June 13–17, 2022

Paper No: GT2022-82039

DOI: https://doi.org/10.1115/GT2022-82039

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Topics: Stability, Annulus, Rotors, Flow (Dynamics), Compressors, Fans, Stall inception

Proceedings Papers

Mitigation of BLI Circumferential Distortion Using Non-Axisymmetric Fan Exit Guide Vanes

David Hall, Edward Greitzer, Choon Tan

Proc. ASME. GT2022, Volume 10A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V10AT29A031, June 13–17, 2022

Paper No: GT2022-82465

DOI: https://doi.org/10.1115/GT2022-82465

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Topics: Guide vanes, Flow (Dynamics), Rotors, Design, Stators, Boundary layers, Geometry, Tradeoffs

Proceedings Papers

Experimental Analysis of an Axial Compressor Operating Under Flow Distortion

Alberto Baretter, Pierric Joseph, Olivier Roussette, Francesco Romanó, Antoine Dazin

Proc. ASME. GT2022, Volume 10A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V10AT29A030, June 13–17, 2022

Paper No: GT2022-82394

DOI: https://doi.org/10.1115/GT2022-82394

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Topics: Compressors, Experimental analysis, Flow (Dynamics)

Proceedings Papers

Flow Dynamics of a Subsonic Axial Compressor Rotor With Leaned Tandem Blades

Amit Kumar, Jerry T. John, Akshay Kumar, Hitesh Chhugani, A. M. Pradeep

Proc. ASME. GT2022, Volume 10A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V10AT29A021, June 13–17, 2022

Paper No: GT2022-82075

DOI: https://doi.org/10.1115/GT2022-82075

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Topics: Blades, Compressors, Flow (Dynamics), Leakage, Rotors, Vortices, Design, Pressure, Shapes, Diffusion (Physics)

Proceedings Papers

Effects of Sideslip Direction on a Rear Fuselage Boundary Layer Ingesting Fan

Alejandro Castillo Pardo, Cesare A. Hall

Proc. ASME. GT2022, Volume 10A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V10AT29A024, June 13–17, 2022

Paper No: GT2022-82177

DOI: https://doi.org/10.1115/GT2022-82177

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Topics: Boundary layers, Flow (Dynamics), Aerodynamics, Pressure, Aircraft, Annulus, Design, Emissions, Engineering simulation, Fuels

Proceedings Papers

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

Tobias Doerr, Sebastian Schuster, Dieter Brillert

Proc. ASME. GT2022, Volume 10A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V10AT29A007, June 13–17, 2022

Paper No: GT2022-80284

DOI: https://doi.org/10.1115/GT2022-80284

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Topics: Compressors, Drops, Flow (Dynamics), Lasers, Laser beams, Liquid films, Air flow, Aircraft engines, Blades, Boundary layers

Proceedings Papers

Numerical Investigations on the Rotating Stall in an Axial Compressor and Its Control by Flow Injection at Casing

Julien Marty, Lionel Castillon, Pierric Joseph

Proc. ASME. GT2022, Volume 10A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V10AT29A034, June 13–17, 2022

Paper No: GT2022-82834

DOI: https://doi.org/10.1115/GT2022-82834

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Topics: Compressors, Flow (Dynamics), Flow control

Proceedings Papers

Numerical Investigation of Near-Tip Modifications for a Highly-Loaded Low-Speed Rotor Under the Influence of Double Leakage

Jannik Eckel, Philipp von Jeinsen, Volker Gümmer

Proc. ASME. GT2022, Volume 10A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V10AT29A023, June 13–17, 2022

Paper No: GT2022-82143

DOI: https://doi.org/10.1115/GT2022-82143

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Topics: Compressors, Flow (Dynamics), Leakage, Rotors, Vortices

Proceedings Papers

Validation of Steady-State Aerodynamics in a Transonic Linear Cascade at Near Stall Conditions

Carlos Tavera Guerrero, Nenad Glodic, Pieter Groth

Proc. ASME. GT2022, Volume 10A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V10AT29A013, June 13–17, 2022

Paper No: GT2022-81346

DOI: https://doi.org/10.1115/GT2022-81346

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Topics: Aerodynamics, Cascades (Fluid dynamics), Steady state, Flow (Dynamics), Turbulence, Separation (Technology), Airfoils, Blades, Bubbles, Compressors

Proceedings Papers

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

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

Proc. ASME. GT2022, Volume 10A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V10AT29A005, June 13–17, 2022

Paper No: GT2022-79522

DOI: https://doi.org/10.1115/GT2022-79522

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Topics: Airfoils, Diffusion (Physics), Modeling, Surface roughness, Boundary layer turbulence, Blades, Finishes, Flow (Dynamics), Mach number, Manufacturing

Proceedings Papers

Stall Margin Improvement in a Transonic Compressor With a Casing Treatment: Flow Mechanism

Chunill Hah

Proc. ASME. GT2022, Volume 10A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V10AT29A039, June 13–17, 2022

Paper No: GT2022-83363

DOI: https://doi.org/10.1115/GT2022-83363

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Topics: Compressors, Flow (Dynamics), Leakage flows, Collisions (Physics), Design, Blades, Delays, Fluids, Large eddy simulation, Leakage

Proceedings Papers

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

Proc. ASME. GT2022, Volume 10A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V10AT29A025, June 13–17, 2022

Paper No: GT2022-82242

DOI: https://doi.org/10.1115/GT2022-82242

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Topics: Blades, Compressors, Flow (Dynamics)

Proceedings Papers

Investigation of the Impact of Realistic Inlet Distortions on a 1.5-Stage Transonic Compressor

Jan Werner, Maximilian Karl, Silas Mütschard, Heinz-Peter Schiffer, Christoph Biela, Sebastian Robens

Proc. ASME. GT2022, Volume 10A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V10AT29A015, June 13–17, 2022

Paper No: GT2022-81678

DOI: https://doi.org/10.1115/GT2022-81678

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Topics: Compressors, Gas turbines, Inflow, Instrumentation, Intake manifolds, Measurement systems, Rotors, Bearings, Design, Flow (Dynamics)

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NARROW

Specific Speed Considerations for Inward Flow Radial Supercritical CO 2 Turbines

Numerical Investigation on Mitigation of Heat Transfer Deterioration of Supercritical CO2 Flow by Introducing Multiple Turbulators Along Helices in a Circular Tube

Leakage Characteristics of a Stepped Balance Piston Labyrinth Seal in Supercritical CO2

Influence of Geometric Parameters for a 100 kW Inward Flow Radial Supercritical CO 2 Turbine

Design of an Additively Manufactured Recuperator With 800 °C Inlet Temperature for sCO2 Power Cycle Application

Investigation of Gas Turbine Internal Cooling Using Supercritical CO2 – Effect of Surface Roughness and Channel Aspect Ratio

Windage Loss and Flow Characteristics in Impeller Back Clearance of sCO 2 Centrifugal Compressor

Fan Stability Enhancement With Partial Casing Treatments

Mitigation of BLI Circumferential Distortion Using Non-Axisymmetric Fan Exit Guide Vanes

Experimental Analysis of an Axial Compressor Operating Under Flow Distortion

Flow Dynamics of a Subsonic Axial Compressor Rotor With Leaned Tandem Blades

Effects of Sideslip Direction on a Rear Fuselage Boundary Layer Ingesting Fan

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

Numerical Investigations on the Rotating Stall in an Axial Compressor and Its Control by Flow Injection at Casing

Numerical Investigation of Near-Tip Modifications for a Highly-Loaded Low-Speed Rotor Under the Influence of Double Leakage

Validation of Steady-State Aerodynamics in a Transonic Linear Cascade at Near Stall Conditions

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

Stall Margin Improvement in a Transonic Compressor With a Casing Treatment: Flow Mechanism

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

Investigation of the Impact of Realistic Inlet Distortions on a 1.5-Stage Transonic Compressor

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