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Proceedings Papers

Using Blade Surface Heat Transfer for Partial Intercooling and Thrust Augmentation

Anthony J. Gannon, Thomas Morgan, Walter C. Smith, Garth V. Hobson

Proc. ASME. GT2022, Volume 4: Cycle Innovations; Cycle Innovations: Energy Storage, V004T06A026, June 13–17, 2022

Paper No: GT2022-82744

DOI: https://doi.org/10.1115/GT2022-82744

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Topics: Blades, Gas turbines, Heat transfer, Thrust, Heat, Compressors, Aircraft, Aviation, Engines, Flow (Dynamics)

Proceedings Papers

Comparison of Stall Point Predictions in a Transonic Axial Compressor Rotor Using Single Passage and Three Passage CFD Geometries

Benjamin Meinster, Walter C. Smith, Garth V. Hobson, Anthony J. Gannon

Proc. ASME. GT2022, Volume 10C: Turbomachinery — Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V10CT32A045, June 13–17, 2022

Paper No: GT2022-83478

DOI: https://doi.org/10.1115/GT2022-83478

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Topics: Compressors, Computational fluid dynamics, Rotors

Proceedings Papers

Technology Demonstration of a Splittered Transonic Rotor With a Downstream Variable Geometry Tandem Stator

Sabine Bauinger, Anthony J. Gannon, Garth V. Hobson, Aaron D. Terrell

Proc. ASME. GT2017, Volume 2A: Turbomachinery, V02AT39A038, June 26–30, 2017

Paper No: GT2017-64956

DOI: https://doi.org/10.1115/GT2017-64956

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Topics: Geometry, Rotors, Stators, Blades, Engines, Flow (Dynamics), Compressors, High pressure (Physics), Inlet guide vanes, Machinery

Proceedings Papers

Measured Heat Transfer in a Transonic Fan Rig at Casing With Implications on Performance

Mark G. Turner, Ahmed Nemnem, Anthony J. Gannon, Garth V. Hobson, Wolfgang Sanz

Proc. ASME. GT2015, Volume 2A: Turbomachinery, V02AT37A039, June 15–19, 2015

Paper No: GT2015-43482

DOI: https://doi.org/10.1115/GT2015-43482

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Topics: Heat transfer, Rotors, Pressure, Temperature, Boundary-value problems, Compressors, Computational fluid dynamics, Exterior walls, Heat, Heat transfer coefficients

Proceedings Papers

Performance of a Splittered Transonic Rotor With Several Tip Clearances

Anthony J. Gannon, Garth V. Hobson, Mark G. Turner, Wolfgang Sanz

Proc. ASME. GT2015, Volume 2A: Turbomachinery, V02AT37A040, June 15–19, 2015

Paper No: GT2015-43799

DOI: https://doi.org/10.1115/GT2015-43799

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Topics: Rotors, Pressure, Blades, Flow (Dynamics), Geometry, Cavities, Clearances (Engineering), Compressors, Fans, Gas turbines

Proceedings Papers

Design and Test of a Transonic Axial Splittered Rotor

Garth V. Hobson, Anthony J. Gannon, Scott Drayton

Proc. ASME. GT2015, Volume 2B: Turbomachinery, V02BT39A029, June 15–19, 2015

Paper No: GT2015-43005

DOI: https://doi.org/10.1115/GT2015-43005

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Topics: Design, Rotors, Blades, Compressors, Flow (Dynamics), Clearances (Engineering), Computer simulation, Computer software, Engines, Gas turbines

Proceedings Papers

Laser-Doppler Velocimetry Measurements in a Cascade of Compressor Blades at Stall

Garth V. Hobson, Andrew J. H. Williams, Humberto J. Ganaim Rickel

Proc. ASME. GT1996, Volume 1: Turbomachinery, V001T01A120, June 10–13, 1996

Paper No: 96-GT-484

DOI: https://doi.org/10.1115/96-GT-484

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Topics: Blades, Cascades (Fluid dynamics), Compressors, Lasers, Flow (Dynamics), Design, Flow visualization, Bubbles, Chords (Trusses), Diffusion (Physics)

Proceedings Papers

Turbulence Amplification With Incidence at the Leading Edge of a Compressor Cascade

Garth V. Hobson, Bryce E. Wakefield, William B. Roberts

Proc. ASME. GT1996, Volume 1: Turbomachinery, V001T01A103, June 10–13, 1996

Paper No: 96-GT-409

DOI: https://doi.org/10.1115/96-GT-409

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Topics: Cascades (Fluid dynamics), Compressors, Turbulence, Bubbles, Suction, Blades, Separation (Technology), Airfoils, Diffusion (Physics), Flow (Dynamics)

Proceedings Papers

Sweep in a Transonic Fan Rotor: Part 2 — CFD and Stress Analyses

Hazem F. Abdelhamid, Raymond P. Shreeve, Garth V. Hobson

Proc. ASME. GT1998, Volume 1: Turbomachinery, V001T01A137, June 2–5, 1998

Paper No: 98-GT-579

DOI: https://doi.org/10.1115/98-GT-579

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Topics: Computational fluid dynamics, Rotors, Stress analysis (Engineering), Geometry, Design, Blades, Finite element analysis, Flow (Dynamics), Manufacturing, Mesh generation

Proceedings Papers

Effect of Reynolds Number on Separation Bubbles on Controlled-Diffusion Compressor Blades in Cascade

Garth V. Hobson, Denis J. Hansen, David G. Schnorenberg, Darren V. Grove

Proc. ASME. GT1998, Volume 1: Turbomachinery, V001T01A097, June 2–5, 1998

Paper No: 98-GT-422

DOI: https://doi.org/10.1115/98-GT-422

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Topics: Blades, Bubbles, Cascades (Fluid dynamics), Compressors, Diffusion (Physics), Reynolds number, Separation (Technology), Chords (Trusses), Flow (Dynamics), Turbulence

Proceedings Papers

Experimental and Numerical Performance Characterization of a Transonic Compressor Rotor Operating Behind an Inlet-Guide Vane With Variable Flap Angles

Garth V. Hobson, Anthony Gannon, Wendell Holmes, Michael McCormick, Vincent Capece

Proc. ASME. GT2014, Volume 2A: Turbomachinery, V02AT37A056, June 16–20, 2014

Paper No: GT2014-27308

DOI: https://doi.org/10.1115/GT2014-27308

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Topics: Compressors, Performance characterization, Rotors, Inlet guide vanes, Design, Resolution (Optics), Rotation, Testing, Turbines

Journal Articles

Investigation and Prediction of Steam-Induced Stall-Margin Reduction in Two Transonic Rotor Fans

Anthony J. Gannon, Garth V. Hobson, Collin R. Hedges, Gregory L. Descovich

J. Fluids Eng. November 2014, 136(11): 111101.

Paper No: FE-12-1576

DOI: https://doi.org/10.1115/1.4028318

Published Online: September 4, 2014

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Topics: Flow (Dynamics), Rotors, Steam, Compressors, Temperature

Journal Articles

MEMS-Scale Turbomachinery Based Vacuum Roughing Pump

Anthony J. Gannon, Garth V. Hobson, Michael J. Shea, Christopher S. Clay, Knox T. Millsaps

J. Turbomach. October 2014, 136(10): 101002.

Paper No: TURBO-14-1070

DOI: https://doi.org/10.1115/1.4027971

Published Online: July 15, 2014

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Topics: Blades, Boundary-value problems, Flow (Dynamics), Grinding, Microelectromechanical systems, Pressure, Pumps, Rotors, Simulation, Turbomachinery

Proceedings Papers

MEMS-Scale Turbomachinery Based Vacuum Roughing Pump

Anthony J. Gannon, Garth V. Hobson, Michael J. Shea, Christopher S. Clay, Knox T. Millsaps

Proc. ASME. GT2013, Volume 5A: Industrial and Cogeneration; Manufacturing Materials and Metallurgy; Marine; Microturbines, Turbochargers, and Small Turbomachines, V05AT23A024, June 3–7, 2013

Paper No: GT2013-95885

DOI: https://doi.org/10.1115/GT2013-95885

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Topics: Grinding, Microelectromechanical systems, Pumps, Turbomachinery, Vacuum, Boundary-value problems, Engineering simulation, Simulation, Slip flow, Pressure

Proceedings Papers

Effect of Leading Edge Roughness and Reynolds Number on Compressor Profile Loss

Ju Hyun Im, Ju Hyun Shin, Garth V. Hobson, Seung Jin Song, Knox T. Millsaps

Proc. ASME. GT2013, Volume 6A: Turbomachinery, V06AT35A034, June 3–7, 2013

Paper No: GT2013-95487

DOI: https://doi.org/10.1115/GT2013-95487

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Topics: Compressors, Reynolds number, Surface roughness, Blades, Suction, Turbulence, Cascades (Fluid dynamics), Pressure, Separation (Technology), Boundary layer turbulence

Proceedings Papers

Investigation and Prediction of Steam-Induced Stall-Margin Reduction in Two Transonic Rotor Fans

Anthony J. Gannon, Garth V. Hobson, Collin R. Hedges, Gregory L. Descovich

Proc. ASME. GT2012, Volume 8: Turbomachinery, Parts A, B, and C, 2513-2522, June 11–15, 2012

Paper No: GT2012-68514

DOI: https://doi.org/10.1115/GT2012-68514

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Topics: Fans, Rotors, Steam, Flow (Dynamics), Compressors, Transients (Dynamics), Aircraft, Design, Engines, Inflow

Journal Articles

Effects of Reynolds Number and Surface Roughness Magnitude and Location on Compressor Cascade Performance

Seung Chul Back, Garth V. Hobson, Seung Jin Song, Knox T. Millsaps

J. Turbomach. September 2012, 134(5): 051013.

DOI: https://doi.org/10.1115/1.4003821

Published Online: May 11, 2012

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Topics: Blades, Reynolds number, Surface roughness, Pressure, Compressors, Cascades (Fluid dynamics), Suction

Journal Articles

Axial Transonic Rotor and Stage Behavior Near the Stability Limit

Anthony J. Gannon, Garth V. Hobson, William L. Davis

J. Turbomach. January 2012, 134(1): 011009.

DOI: https://doi.org/10.1115/1.4003225

Published Online: May 26, 2011

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Topics: Rotors, Flow (Dynamics), Signals, Pressure, Stability

Journal Articles

Impact of Nonuniform Leading Edge Coatings on the Aerodynamic Performance of Compressor Airfoils

Michael E. Elmstrom, Knox T. Millsaps, Garth V. Hobson, Jeffrey S. Patterson

J. Turbomach. October 2011, 133(4): 041004.

DOI: https://doi.org/10.1115/1.3213550

Published Online: April 19, 2011

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Topics: Airfoils, Bubbles, Coatings, Compressors, Flow (Dynamics), Mach number, Pressure, Separation (Technology), Turbulence, Coating processes

Proceedings Papers

Effect of Surface Roughness Location and Reynolds Number on Compressor Cascade Performance

Seung Chul Back, Garth V. Hobson, Seung Jin Song, Knox T. Millsaps

Proc. ASME. GT2010, Volume 7: Turbomachinery, Parts A, B, and C, 121-128, June 14–18, 2010

Paper No: GT2010-22208

DOI: https://doi.org/10.1115/GT2010-22208

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Topics: Cascades (Fluid dynamics), Compressors, Reynolds number, Surface roughness, Suction, Blades, Pressure, Flow (Dynamics), Probes

Journal citation

NARROW

Using Blade Surface Heat Transfer for Partial Intercooling and Thrust Augmentation

Comparison of Stall Point Predictions in a Transonic Axial Compressor Rotor Using Single Passage and Three Passage CFD Geometries

Technology Demonstration of a Splittered Transonic Rotor With a Downstream Variable Geometry Tandem Stator

Measured Heat Transfer in a Transonic Fan Rig at Casing With Implications on Performance

Performance of a Splittered Transonic Rotor With Several Tip Clearances

Design and Test of a Transonic Axial Splittered Rotor

Laser-Doppler Velocimetry Measurements in a Cascade of Compressor Blades at Stall

Turbulence Amplification With Incidence at the Leading Edge of a Compressor Cascade

Sweep in a Transonic Fan Rotor: Part 2 — CFD and Stress Analyses

Effect of Reynolds Number on Separation Bubbles on Controlled-Diffusion Compressor Blades in Cascade

Experimental and Numerical Performance Characterization of a Transonic Compressor Rotor Operating Behind an Inlet-Guide Vane With Variable Flap Angles

Investigation and Prediction of Steam-Induced Stall-Margin Reduction in Two Transonic Rotor Fans

MEMS-Scale Turbomachinery Based Vacuum Roughing Pump

MEMS-Scale Turbomachinery Based Vacuum Roughing Pump

Effect of Leading Edge Roughness and Reynolds Number on Compressor Profile Loss

Investigation and Prediction of Steam-Induced Stall-Margin Reduction in Two Transonic Rotor Fans

Effects of Reynolds Number and Surface Roughness Magnitude and Location on Compressor Cascade Performance

Axial Transonic Rotor and Stage Behavior Near the Stability Limit

Impact of Nonuniform Leading Edge Coatings on the Aerodynamic Performance of Compressor Airfoils

Effect of Surface Roughness Location and Reynolds Number on Compressor Cascade Performance

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