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Proceedings Papers

An Experimental and Numerical Investigation of the Effect of Combustor-Nozzle Platform Misalignment on Endwall Heat Transfer at Transonic High Turbulence Conditions

A. Arisi, D. Mayo, Z. Li, W. F. Ng, H. K. Moon, L. Zhang
Proc. ASME. GT2016, Volume 5A: Heat Transfer, V05AT13A026, June 13–17, 2016
Publisher: American Society of Mechanical Engineers
Paper No: GT2016-57763
https://doi.org/10.1115/GT2016-57763
View Paper titled, An Experimental and Numerical Investigation of the Effect of Combustor-Nozzle Platform Misalignment on Endwall Heat Transfer at Transonic High Turbulence Conditions
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Topics: Combustion chambers, Heat transfer, Nozzles, Turbulence, Vortices, Computational fluid dynamics, Engines, Flow (Dynamics), Gates (Closures), Mach number
Journal Articles

An Experimental and Numerical Study on the Aerothermal Characteristics of a Ribbed Transonic Squealer-Tip Turbine Blade With Purge Flow

A. Arisi, J. Phillips, W. F. Ng, S. Xue, H. K. Moon, L. Zhang
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. October 2016, 138(10): 101007.
Paper No: TURBO-16-1031
https://doi.org/10.1115/1.4032925
Published Online: April 26, 2016
View Article titled, An Experimental and Numerical Study on the Aerothermal Characteristics of a Ribbed Transonic Squealer-Tip Turbine Blade With Purge Flow
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Topics: Blades, Cavities, Film cooling, Flow (Dynamics), Heat transfer, Leakage flows, Pressure, Coolants
Journal Articles

Effect of Temperature on Microparticle Rebound Characteristics at Constant Impact Velocity—Part I

J. M. Delimont, M. K. Murdock, W. F. Ng, S. V. Ekkad
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. November 2015, 137(11): 112603.
Paper No: GTP-15-1021
https://doi.org/10.1115/1.4030312
Published Online: November 1, 2015
View Article titled, Effect of Temperature on Microparticle Rebound Characteristics at Constant Impact Velocity—Part I
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Topics: Particulate matter, Temperature, Sands
Journal Articles

Effect of Temperature on Microparticle Rebound Characteristics at Constant Impact Velocity—Part II

J. M. Delimont, M. K. Murdock, W. F. Ng, S. V. Ekkad
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. November 2015, 137(11): 112604.
Paper No: GTP-15-1022
https://doi.org/10.1115/1.4030313
Published Online: November 1, 2015
View Article titled, Effect of Temperature on Microparticle Rebound Characteristics at Constant Impact Velocity—Part II
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Topics: Particulate matter, Temperature, Sands
Journal Articles

Numerical Investigation of Aerothermal Characteristics of the Blade Tip and Near-Tip Regions of a Transonic Turbine Blade

A. Arisi, S. Xue, W. F. Ng, H. K. Moon, L. Zhang
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. September 2015, 137(9): 091002.
Paper No: TURBO-15-1002
https://doi.org/10.1115/1.4029713
Published Online: September 1, 2015
View Article titled, Numerical Investigation of Aerothermal Characteristics of the Blade Tip and Near-Tip Regions of a Transonic Turbine Blade
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Topics: Blades, Flow (Dynamics), Heat transfer, Pressure, Turbulence, Suction, Leakage flows, Computational fluid dynamics
Proceedings Papers

An Experimental and Numerical Study on the Aerothermal Characteristics of a Ribbed Transonic Squealer-Tip Turbine Blade With Purge Flow

A. Arisi, J. Phillips, W. F. Ng, S. Xue, H. K. Moon, L. Zhang
Proc. ASME. GT2015, Volume 5B: Heat Transfer, V05BT13A014, June 15–19, 2015
Publisher: American Society of Mechanical Engineers
Paper No: GT2015-43073
https://doi.org/10.1115/GT2015-43073
View Paper titled, An Experimental and Numerical Study on the Aerothermal Characteristics of a Ribbed Transonic Squealer-Tip Turbine Blade With Purge Flow
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Topics: Flow (Dynamics), Turbine blades, Blades, Cavities, Reynolds number, Engines, Film cooling, Heat transfer coefficients, Cascades (Fluid dynamics), Chords (Trusses)
Proceedings Papers

Time Resolved Measurements in a Low Aspect Ratio Transonic Compressor Stage

A. H. Epstein, W. T. Thompkins, Jr., J. L. Kerrebrock, W. F. Ng
Proc. ASME. GT1982, Volume 1: Turbomachinery, V001T01A068, April 18–22, 1982
Publisher: American Society of Mechanical Engineers
Paper No: 82-GT-201
https://doi.org/10.1115/82-GT-201
View Paper titled, Time Resolved Measurements in a Low Aspect Ratio Transonic Compressor Stage
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Topics: Compressors, Probes, Annulus, Errors, Flow (Dynamics), Fluctuations (Physics), Frequency response
Proceedings Papers

Analytical Prediction of the Unsteady Lift on a Rotor Caused by Downstream Struts

A. C. Taylor, III, W. F. Ng
Proc. ASME. GT1987, Volume 1: Turbomachinery, V001T01A041, May 31–June 4, 1987
Publisher: American Society of Mechanical Engineers
Paper No: 87-GT-145
https://doi.org/10.1115/87-GT-145
View Paper titled, Analytical Prediction of the Unsteady Lift on a Rotor Caused by Downstream Struts
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Topics: Rotors, Flow (Dynamics), Stators, Struts (Engineering), Blades, Airfoils, Computer software, Engines, Geometry, Separation (Technology)
Proceedings Papers

Fan Noise Reduction From a Supersonic Inlet During Simulated Aircraft Approach

W. E. Nuckolls, W. F. Ng
Proc. ASME. GT1993, Volume 3B: General, V03BT16A035, May 24–27, 1993
Publisher: American Society of Mechanical Engineers
Paper No: 93-GT-279
https://doi.org/10.1115/93-GT-279
View Paper titled, Fan Noise Reduction From a Supersonic Inlet During Simulated Aircraft Approach
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Topics: Aircraft, Noise control, Doors, Noise (Sound), Design, Acoustics, Aircraft engines, Blades, Compression, Engines
Proceedings Papers

Effects of Shock Wave Passage on Heat Transfer in a Transonic Turbine Cascade

D. G. Holmberg, T. Reid, T. Kiss, H. L. Moses, W. F. Ng, T. E. Diller
Proc. ASME. GT1994, Volume 4: Heat Transfer; Electric Power; Industrial and Cogeneration, V004T09A029, June 13–16, 1994
Publisher: American Society of Mechanical Engineers
Paper No: 94-GT-179
https://doi.org/10.1115/94-GT-179
View Paper titled, Effects of Shock Wave Passage on Heat Transfer in a Transonic Turbine Cascade
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Topics: Cascades (Fluid dynamics), Heat transfer, Shock waves, Turbines, Heat flux, Blades, Shock (Mechanics), Flow (Dynamics), Pressure, Temperature
Proceedings Papers

A Frequency Domain Analysis: Turbine Pressure Side Heat Transfer

D. G. Holmberg, T. E. Diller, W. F. Ng
Proc. ASME. GT1998, Volume 4: Heat Transfer; Electric Power; Industrial and Cogeneration, V004T09A033, June 2–5, 1998
Publisher: American Society of Mechanical Engineers
Paper No: 98-GT-152
https://doi.org/10.1115/98-GT-152
View Paper titled, A Frequency Domain Analysis: Turbine Pressure Side Heat Transfer
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Topics: Frequency-domain analysis, Heat transfer, Pressure, Turbines, Heat flux, Blades, Flow (Dynamics), Turbulence, Boundary layers, Cascades (Fluid dynamics)
Proceedings Papers

Numerical Investigation of Aerothermal Characteristics of the Blade Tip and Near-Tip Regions of a Transonic Turbine Blade

A. Arisi, S. Xue, W. F. Ng, H. K. Moon, L. Zhang
Proc. ASME. GT2014, Volume 5B: Heat Transfer, V05BT14A005, June 16–20, 2014
Publisher: American Society of Mechanical Engineers
Paper No: GT2014-25492
https://doi.org/10.1115/GT2014-25492
View Paper titled, Numerical Investigation of Aerothermal Characteristics of the Blade Tip and Near-Tip Regions of a Transonic Turbine Blade
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Topics: Blades, Turbine blades, Mach number, Heat transfer, Rotors, Failure, Flow (Dynamics), Design, Gas turbines, Leakage
Proceedings Papers

Effect of Near Melting Temperatures on Microparticle Sand Rebound Characteristics at Constant Impact Velocity

J. M. Delimont, M. K. Murdock, W. F. Ng, S. V. Ekkad
Proc. ASME. GT2014, Volume 1A: Aircraft Engine; Fans and Blowers, V01AT01A012, June 16–20, 2014
Publisher: American Society of Mechanical Engineers
Paper No: GT2014-25686
https://doi.org/10.1115/GT2014-25686
View Paper titled, Effect of Near Melting Temperatures on Microparticle Sand Rebound Characteristics at Constant Impact Velocity
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Topics: Melting, Microparticles, Sands, Temperature, Particulate matter, Dust, Engines, Gas turbines, Glass transition, Microscopes
Proceedings Papers

Effect of Temperature on Microparticle Rebound Characteristics at Constant Impact Velocity

J. M. Delimont, M. K. Murdock, W. F. Ng, S. V. Ekkad
Proc. ASME. GT2014, Volume 1A: Aircraft Engine; Fans and Blowers, V01AT01A013, June 16–20, 2014
Publisher: American Society of Mechanical Engineers
Paper No: GT2014-25687
https://doi.org/10.1115/GT2014-25687
View Paper titled, Effect of Temperature on Microparticle Rebound Characteristics at Constant Impact Velocity
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Topics: Microparticles, Temperature, Particulate matter, Engines, Flow (Dynamics), Gas turbines, Stainless steel, Dust, Erosion, Particle collisions
Proceedings Papers

An Investigation of Heat Transfer in a Film Cooled Transonic Turbine Cascade: Part I — Steady Heat Transfer

D. E. Smith, J. V. Bubb, O. Popp, H. Grabowski, III, T. E. Diller, J. A. Schetz, W. F. Ng
Proc. ASME. GT2000, Volume 3: Heat Transfer; Electric Power; Industrial and Cogeneration, V003T01A010, May 8–11, 2000
Publisher: American Society of Mechanical Engineers
Paper No: 2000-GT-0202
https://doi.org/10.1115/2000-GT-0202
View Paper titled, An Investigation of Heat Transfer in a Film Cooled Transonic Turbine Cascade: Part I — Steady Heat Transfer
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Topics: Cascades (Fluid dynamics), Heat transfer, Turbines, Gages, Blades, Coolants, Film cooling, Heat transfer coefficients, Cooling, Pressure
Proceedings Papers

Investigation of Heat Transfer in a Film Cooled Transonic Turbine Cascade: Part II — Unsteady Heat Transfer

O. Popp, D. E. Smith, J. V. Bubb, H. C. Grabowski, III, T. E. Diller, J. A. Schetz, W. F. Ng
Proc. ASME. GT2000, Volume 3: Heat Transfer; Electric Power; Industrial and Cogeneration, V003T01A011, May 8–11, 2000
Publisher: American Society of Mechanical Engineers
Paper No: 2000-GT-0203
https://doi.org/10.1115/2000-GT-0203
View Paper titled, Investigation of Heat Transfer in a Film Cooled Transonic Turbine Cascade: Part II — Unsteady Heat Transfer
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Topics: Cascades (Fluid dynamics), Heat transfer, Turbines, Blades, Shock waves, Rotors, Shock (Mechanics), Suction, Film cooling, Heat flux
Proceedings Papers

Comparison of Data Processing Techniques for Convective Heat Transfer Measurements in a Transient Transonic Hot Wind Tunnel

S. Xue, A. Roy, W. F. Ng, S. V. Ekkad
Proc. ASME. GTINDIA2013, ASME 2013 Gas Turbine India Conference, V001T04A011, December 5–6, 2013
Publisher: American Society of Mechanical Engineers
Paper No: GTINDIA2013-3733
https://doi.org/10.1115/GTINDIA2013-3733
View Paper titled, Comparison of Data Processing Techniques for Convective Heat Transfer Measurements in a Transient Transonic Hot Wind Tunnel
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Topics: Convection, Transients (Dynamics), Wind tunnels, Curve fitting, Errors
Proceedings Papers

Study of Microparticle Rebound Characteristics Under High Temperature Conditions

C. J. Reagle, J. M. Delimont, W. F. Ng, S. V. Ekkad
Proc. ASME. GT2013, Volume 2: Aircraft Engine; Coal, Biomass and Alternative Fuels; Cycle Innovations, V002T03A011, June 3–7, 2013
Publisher: American Society of Mechanical Engineers
Paper No: GT2013-95083
https://doi.org/10.1115/GT2013-95083
View Paper titled, Study of Microparticle Rebound Characteristics Under High Temperature Conditions
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Topics: High temperature, Microparticles, Temperature, Flow (Dynamics), Gas turbines, Particulate matter, Dust, Energy transformation, Heating, Operating temperature
Proceedings Papers

Effects of Tip Clearance Gap and Exit Mach Number on Turbine Blade Tip and Near-Tip Heat Transfer

K. Anto, S. Xue, W. F. Ng, L. J. Zhang, H. K. Moon
Proc. ASME. GT2013, Volume 3C: Heat Transfer, V03CT14A005, June 3–7, 2013
Publisher: American Society of Mechanical Engineers
Paper No: GT2013-94345
https://doi.org/10.1115/GT2013-94345
View Paper titled, Effects of Tip Clearance Gap and Exit Mach Number on Turbine Blade Tip and Near-Tip Heat Transfer
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Topics: Clearances (Engineering), Heat transfer, Mach number, Turbine blades, Blades, Suction, Pressure, Cascades (Fluid dynamics), Engines, Leakage
Journal Articles

Study of Microparticle Rebound Characteristics Under High Temperature Conditions

C. J. Reagle, J. M. Delimont, W. F. Ng, S. V. Ekkad
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. January 2014, 136(1): 011501.
Paper No: GTP-13-1195
https://doi.org/10.1115/1.4025346
Published Online: October 21, 2013
View Article titled, Study of Microparticle Rebound Characteristics Under High Temperature Conditions
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Topics: Microparticles, Particulate matter, Temperature, Flow (Dynamics), High temperature, Sands, Instrumentation