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Proceedings Papers

Blade Loading and Numerical Slip Factor of Centrifugal Compressor Impellers

JongSik Oh

Proc. ASME. IMECE99, Fluids Engineering, 107-113, November 14–19, 1999

Paper No: IMECE1999-1221

DOI: https://doi.org/10.1115/IMECE1999-1221

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Topics: Blades, Compressor impellers, Impellers, Design, Turbulence, Computational fluid dynamics, Flow (Dynamics), Shapes

Proceedings Papers

Numerical Efforts of Aerodynamic Re-Design in a Transonic Centrifugal Compressor: Part 1 — Basic Approach

Justin (Jongsik) Oh

Proc. ASME. IMECE2017, Volume 7: Fluids Engineering, V007T09A039, November 3–9, 2017

Paper No: IMECE2017-70327

DOI: https://doi.org/10.1115/IMECE2017-70327

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Topics: Compressors, Design, Diffusers, Blades, Pressure, Vortices, Flow (Dynamics), Impellers, Shapes, Wedges

Proceedings Papers

Numerical Efforts of Aerodynamic Re-Design in a Single-Stage Transonic Axial Compressor: Part 1 — Stator Design

Justin (Jongsik) Oh

Proc. ASME. GT2017, Volume 2A: Turbomachinery, V02AT39A002, June 26–30, 2017

Paper No: GT2017-63031

DOI: https://doi.org/10.1115/GT2017-63031

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Topics: Compressors, Design, Stators, Blades, Flow (Dynamics), Pressure, Airfoils, Axial flow, Computational fluid dynamics, Diffusion (Physics)

Proceedings Papers

Numerical Investigation of Internal Flow Field for Modified Design of Eckardt Backswept Impeller

JongSik Oh

Proc. ASME. GT1998, Volume 1: Turbomachinery, V001T01A081, June 2–5, 1998

Paper No: 98-GT-296

DOI: https://doi.org/10.1115/98-GT-296

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Topics: Design, Impellers, Internal flow, Blades, Flow (Dynamics), Pressure, Vaneless diffusers, Compressors, Shapes

Proceedings Papers

Numerical Modeling of Some Parameters for Performance Prediction of Centrifugal Impellers

JongSik Oh, KoonSup Oh

Proc. ASME. GT2000, Volume 1: Aircraft Engine; Marine; Turbomachinery; Microturbines and Small Turbomachinery, V001T03A032, May 8–11, 2000

Paper No: 2000-GT-0458

DOI: https://doi.org/10.1115/2000-GT-0458

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Topics: Computer simulation, Impellers, Flow (Dynamics), Blades, Compressors, Computational fluid dynamics, Diffusion (Physics), Engineering models, Modeling, Turbulence

Proceedings Papers

Analysis of 8 Centrifugal Compressor Impellers Using Two Different CFD Methods: Part I — Code Validation

JongSik Oh, SooHyuk Ro

Proc. ASME. GT2001, Volume 1: Aircraft Engine; Marine; Turbomachinery; Microturbines and Small Turbomachinery, V001T03A028, June 4–7, 2001

Paper No: 2001-GT-0326

DOI: https://doi.org/10.1115/2001-GT-0326

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Topics: Compressor impellers, Computational fluid dynamics, Pressure, Impellers, Density

Proceedings Papers

Analysis of 8 Centrifugal Compressor Impellers Using Two Different CFD Methods: Part II — Blockage and Slip Characteristics

JongSik Oh

Proc. ASME. GT2001, Volume 1: Aircraft Engine; Marine; Turbomachinery; Microturbines and Small Turbomachinery, V001T03A029, June 4–7, 2001

Paper No: 2001-GT-0327

DOI: https://doi.org/10.1115/2001-GT-0327

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Topics: Compressor impellers, Computational fluid dynamics, Blades, Design, Engineering design processes, Flow (Dynamics)

Journal Articles

Numerical Investigation of Low Solidity Vaned Diffuser Performance in a High-Pressure Centrifugal Compressor—Part III: Tandem Vanes

JongSik Oh, Charles W. Buckley, Giri L. Agrawal

J. Turbomach. November 2012, 134(6): 061025.

DOI: https://doi.org/10.1115/1.4006300

Published Online: September 4, 2012

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Topics: Compressors, Design, Diffusers, Flow (Dynamics), High pressure (Physics), Pressure, Impellers, Wedges, Chords (Trusses)

Proceedings Papers

Numerical Investigation of Low Solidity Vaned Diffuser Performance in a High-Pressure Centrifugal Compressor: Part III—Tandem Vanes

JongSik Oh, Charles W. Buckley, Giri L. Agrawal

Proc. ASME. GT2011, Volume 7: Turbomachinery, Parts A, B, and C, 1947-1955, June 6–10, 2011

Paper No: GT2011-45382

DOI: https://doi.org/10.1115/GT2011-45382

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Topics: Compressors, Diffusers, High pressure (Physics), Flow (Dynamics), Design, Pressure, Chords (Trusses), Computation, Impellers, Patents

Proceedings Papers

Numerical Study on the Effects of Blade Lean on High-Pressure Centrifugal Impeller Performance

JongSik Oh, Charles W. Buckley, Giri L. Agrawal

Proc. ASME. GT2011, Volume 7: Turbomachinery, Parts A, B, and C, 1957-1969, June 6–10, 2011

Paper No: GT2011-45383

DOI: https://doi.org/10.1115/GT2011-45383

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Topics: Blades, High pressure (Physics), Impellers, Flow (Dynamics), Computational fluid dynamics, Design, Compressors, Degrees of freedom, Internal flow, Pressure

Proceedings Papers

Computational Aerodynamic Performance on Radial and Mixed-Flow Design Options for a High Specific Speed Turbine

JongSik Oh, Charles W. Buckley, Giri L. Agrawal

Proc. ASME. GT2008, Volume 6: Turbomachinery, Parts A, B, and C, 1555-1560, June 9–13, 2008

Paper No: GT2008-50714

DOI: https://doi.org/10.1115/GT2008-50714

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Topics: Design, Flow (Dynamics), Turbines, Rotors, Nozzles, Pressure, Blades, Computational fluid dynamics, Engines, Geometry

Proceedings Papers

Numerical Investigation of Low Solidity Vaned Diffuser Performance in a High-Pressure Centrifugal Compressor: Part II—Influence of Vane Stagger

JongSik Oh, Charles W. Buckley, Giri L. Agrawal

Proc. ASME. GT2008, Volume 6: Turbomachinery, Parts A, B, and C, 1487-1494, June 9–13, 2008

Paper No: GT2008-50178

DOI: https://doi.org/10.1115/GT2008-50178

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Topics: Compressors, Diffusers, High pressure (Physics), Design, Pressure, Airfoils, Flow (Dynamics)

Proceedings Papers

Numerical Investigation of Low Solidity Vaned Diffuser Performance in a High-Pressure Centrifugal Compressor: Part I — Influence of Vane Solidity

JongSik Oh, Giri L. Agrawal

Proc. ASME. GT2007, Volume 6: Turbo Expo 2007, Parts A and B, 1009-1015, May 14–17, 2007

Paper No: GT2007-27260

DOI: https://doi.org/10.1115/GT2007-27260

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Topics: Compressors, Diffusers, High pressure (Physics), Design, Flow (Dynamics), Pressure, Computational fluid dynamics, Machinery

Proceedings Papers

Investigation of Off-Design Performance of Vaned Diffusers in Centrifugal Compressors: Part I — A Channel-Wedge Diffuser

JongSik Oh

Proc. ASME. GT2002, Volume 5: Turbo Expo 2002, Parts A and B, 597-604, June 3–6, 2002

Paper No: GT2002-30387

DOI: https://doi.org/10.1115/GT2002-30387

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Topics: Compressors, Design, Diffusers, Wedges, Computational fluid dynamics, Surges

Proceedings Papers

Development of High-Speed Industrial Turbo Blowers With Foil Air Bearings

JongSik Oh, HeonSeok Lee

Proc. ASME. GT2003, Volume 3: Turbo Expo 2003, 735-740, June 16–19, 2003

Paper No: GT2003-38606

DOI: https://doi.org/10.1115/GT2003-38606

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Topics: Air bearings, Turbochargers, Motors, Assembly lines, Cements (Adhesives), Compressed air, Design, Diffusers, Gages, Gears

Journal citation

NARROW

Blade Loading and Numerical Slip Factor of Centrifugal Compressor Impellers

Numerical Efforts of Aerodynamic Re-Design in a Transonic Centrifugal Compressor: Part 1 — Basic Approach

Numerical Efforts of Aerodynamic Re-Design in a Single-Stage Transonic Axial Compressor: Part 1 — Stator Design

Numerical Investigation of Internal Flow Field for Modified Design of Eckardt Backswept Impeller

Numerical Modeling of Some Parameters for Performance Prediction of Centrifugal Impellers

Analysis of 8 Centrifugal Compressor Impellers Using Two Different CFD Methods: Part I — Code Validation

Analysis of 8 Centrifugal Compressor Impellers Using Two Different CFD Methods: Part II — Blockage and Slip Characteristics

Numerical Investigation of Low Solidity Vaned Diffuser Performance in a High-Pressure Centrifugal Compressor—Part III: Tandem Vanes

Numerical Investigation of Low Solidity Vaned Diffuser Performance in a High-Pressure Centrifugal Compressor: Part III—Tandem Vanes

Numerical Study on the Effects of Blade Lean on High-Pressure Centrifugal Impeller Performance

Computational Aerodynamic Performance on Radial and Mixed-Flow Design Options for a High Specific Speed Turbine

Numerical Investigation of Low Solidity Vaned Diffuser Performance in a High-Pressure Centrifugal Compressor: Part II—Influence of Vane Stagger

Numerical Investigation of Low Solidity Vaned Diffuser Performance in a High-Pressure Centrifugal Compressor: Part I — Influence of Vane Solidity

Investigation of Off-Design Performance of Vaned Diffusers in Centrifugal Compressors: Part I — A Channel-Wedge Diffuser

Development of High-Speed Industrial Turbo Blowers With Foil Air Bearings

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