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Proceedings Papers

Effects of Inlet Swirl Angle on Flow and Heat Transfer in Contoured Turbine Nozzle Guide Vanes

Y.-L. Lin, H. J. Schock, T. I-P. Shih, R. S. Bunker
Proc. ASME. IMECE2001, Heat Transfer: Volume 5 — Computational, Aerospace and Environmental Heat Transfer, 279-288, November 11–16, 2001
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2001/HTD-24312
https://doi.org/10.1115/IMECE2001/HTD-24312
View Paper titled, Effects of Inlet Swirl Angle on Flow and Heat Transfer in Contoured Turbine Nozzle Guide Vanes
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Topics: Flow (Dynamics), Heat transfer, Nozzle guide vanes, Turbines, Airfoils, Pressure, Aerodynamics, Boundary layer turbulence, Boundary layers, Computation
Proceedings Papers

Local Heat Transfer in Turbine Disk-Cavities: Part I — Rotor and Stator Cooling With Hub Injection of Coolant

R. S. Bunker, D. E. Metzger, S. Wittig
Proc. ASME. GT1990, Volume 4: Heat Transfer; Electric Power; Industrial and Cogeneration, V004T09A006, June 11–14, 1990
Publisher: American Society of Mechanical Engineers
Paper No: 90-GT-025
https://doi.org/10.1115/90-GT-025
View Paper titled, Local Heat Transfer in Turbine Disk-Cavities: Part I — Rotor and Stator Cooling With Hub Injection of Coolant
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Topics: Cavities, Coolants, Cooling, Disks, Heat transfer, Rotors, Stators, Turbines, Flow (Dynamics), Coatings
Proceedings Papers

Local Heat Transfer in Turbine Disk-Cavities: Part II — Rotor Cooling With Radial Location Injection of Coolant

R. S. Bunker, D. E. Metzger, S. Wittig
Proc. ASME. GT1990, Volume 4: Heat Transfer; Electric Power; Industrial and Cogeneration, V004T09A007, June 11–14, 1990
Publisher: American Society of Mechanical Engineers
Paper No: 90-GT-026
https://doi.org/10.1115/90-GT-026
View Paper titled, Local Heat Transfer in Turbine Disk-Cavities: Part II — Rotor Cooling With Radial Location Injection of Coolant
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Topics: Cavities, Coolants, Cooling, Disks, Heat transfer, Rotors, Turbines, Stators, Flow (Dynamics), Heat transfer coefficients
Proceedings Papers

Transient Liquid Crystal Measurement of Local Heat Transfer on a Rotating Disk With Jet Impingement

D. E. Metzger, R. S. Bunker, G. Bosch
Proc. ASME. GT1989, Volume 4: Heat Transfer; Electric Power; Industrial and Cogeneration, V004T08A032, June 4–8, 1989
Publisher: American Society of Mechanical Engineers
Paper No: 89-GT-287
https://doi.org/10.1115/89-GT-287
View Paper titled, Transient Liquid Crystal Measurement of Local Heat Transfer on a Rotating Disk With Jet Impingement
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Topics: Heat transfer, Liquid crystals, Rotating disks, Transients (Dynamics), Disks, Coatings, Stators, Convection, Boundary-value problems, Cavities
Proceedings Papers

Effects of Surface Roughness on Heat Transfer and Aerodynamic Performance of Turbine Airfoils

N. Abuaf, R. S. Bunker, C. P. Lee
Proc. ASME. GT1997, Volume 3: Heat Transfer; Electric Power; Industrial and Cogeneration, V003T09A001, June 2–5, 1997
Publisher: American Society of Mechanical Engineers
Paper No: 97-GT-010
https://doi.org/10.1115/97-GT-010
View Paper titled, Effects of Surface Roughness on Heat Transfer and Aerodynamic Performance of Turbine Airfoils
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Topics: Airfoils, Heat transfer, Surface roughness, Turbines, Polishing, Engines, Finishes, Heat transfer coefficients, Aerodynamic flow, Cascades (Fluid dynamics)
Proceedings Papers

Effect of Discrete Surface Disturbances on Vane External Heat Transfer

R. S. Bunker
Proc. ASME. GT1997, Volume 3: Heat Transfer; Electric Power; Industrial and Cogeneration, V003T09A021, June 2–5, 1997
Publisher: American Society of Mechanical Engineers
Paper No: 97-GT-134
https://doi.org/10.1115/97-GT-134
View Paper titled, Effect of Discrete Surface Disturbances on Vane External Heat Transfer
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Topics: Heat transfer, Pressure, Turbulence, Cascades (Fluid dynamics), Airfoils, Reynolds number, Suction, Surface roughness, Boundary layers, Chords (Trusses)
Proceedings Papers

Measurements of Heat Transfer Characteristics of Gap Leakage Around a Misaligned Component Interface

M. K. Chyu, Y. C. Hsing, R. S. Bunker
Proc. ASME. GT1998, Volume 4: Heat Transfer; Electric Power; Industrial and Cogeneration, V004T09A025, June 2–5, 1998
Publisher: American Society of Mechanical Engineers
Paper No: 98-GT-132
https://doi.org/10.1115/98-GT-132
View Paper titled, Measurements of Heat Transfer Characteristics of Gap Leakage Around a Misaligned Component Interface
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Topics: Heat transfer, Leakage, Heat transfer coefficients, Temperature, Transients (Dynamics), Wall temperature, Boundary layers, Flow (Dynamics), Imaging, Liquid crystals
Proceedings Papers

Heat Transfer and Flow on the First Stage Blade Tip of a Power Generation Gas Turbine: Part 2 — Simulation Results

A. A. Ameri, R. S. Bunker
Proc. ASME. GT1999, Volume 3: Heat Transfer; Electric Power; Industrial and Cogeneration, V003T01A086, June 7–10, 1999
Publisher: American Society of Mechanical Engineers
Paper No: 99-GT-283
https://doi.org/10.1115/99-GT-283
View Paper titled, Heat Transfer and Flow on the First Stage Blade Tip of a Power Generation Gas Turbine: Part 2 — Simulation Results
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Topics: Blades, Energy generation, Flow (Dynamics), Gas turbines, Heat transfer, Simulation results, Convection, Geometry, Heating, Modeling
Proceedings Papers

Effects of Gap Leakage on Fluid Flow in a Contoured Turbine Nozzle Guide Vane

Y.-L. Lin, T. I-P. Shih, M. K. Chyu, R. S. Bunker
Proc. ASME. GT2000, Volume 3: Heat Transfer; Electric Power; Industrial and Cogeneration, V003T01A100, May 8–11, 2000
Publisher: American Society of Mechanical Engineers
Paper No: 2000-GT-0555
https://doi.org/10.1115/2000-GT-0555
View Paper titled, Effects of Gap Leakage on Fluid Flow in a Contoured Turbine Nozzle Guide Vane
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Topics: Fluid dynamics, Leakage, Nozzle guide vanes, Turbines, Airfoils, Flow (Dynamics), Computation, Finite volume methods, Momentum, Nozzles
Proceedings Papers

An Experimental and Numerical Investigation Into the Effects of Squealer Blade Tip Modifications on Aerodynamic Performance

G. A. Ledezma, J. Allen, R. S. Bunker
Proc. ASME. TBTS2013, ASME 2013 Turbine Blade Tip Symposium, V001T03A002, September 30–October 3, 2013
Publisher: American Society of Mechanical Engineers
Paper No: TBTS2013-2004
https://doi.org/10.1115/TBTS2013-2004
View Paper titled, An Experimental and Numerical Investigation Into the Effects of Squealer Blade Tip Modifications on Aerodynamic Performance
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Topics: Blades, Strips, Pressure, Cooling, Suction, Cascades (Fluid dynamics), Flow (Dynamics), Geometry, Aerodynamics, Clearances (Engineering)
Journal Articles

An Investigation of Turbine Wheelspace Cooling Flow Interactions With a Transonic Hot Gas Path—Part II: CFD Simulations

G. M. Laskowski, R. S. Bunker, J. C. Bailey, G. Ledezma, S. Kapetanovic, G. M. Itzel, M. A. Sullivan, T. R. Farrell
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. October 2011, 133(4): 041020.
https://doi.org/10.1115/1.4002410
Published Online: April 25, 2011
View Article titled, An Investigation of Turbine Wheelspace Cooling Flow Interactions With a Transonic Hot Gas Path—Part II: CFD Simulations
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Topics: Cavities, Computational fluid dynamics, Cooling, Cylinders, Flow (Dynamics), Polishing equipment, Pressure, Simulation, Turbines, Rotors
Journal Articles

An Investigation of Turbine Wheelspace Cooling Flow Interactions With a Transonic Hot Gas Path—Part 1: Experimental Measurements

R. S. Bunker, G. M. Laskowski, J. C. Bailey, P. Palafox, S. Kapetanovic, G. M. Itzel, M. A. Sullivan, T. R. Farrell
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. April 2011, 133(2): 021015.
https://doi.org/10.1115/1.4001175
Published Online: October 22, 2010
View Article titled, An Investigation of Turbine Wheelspace Cooling Flow Interactions With a Transonic Hot Gas Path—Part 1: Experimental Measurements
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Topics: Blades, Cavities, Cooling, Cylinders, Flow (Dynamics), Polishing equipment, Pressure, Turbines, Wakes, Waves
Journal Articles

A Study of Mesh-Fed Slot Film Cooling

R. S. Bunker
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. January 2011, 133(1): 011022.
https://doi.org/10.1115/1.4000548
Published Online: September 24, 2010
View Article titled, A Study of Mesh-Fed Slot Film Cooling
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Topics: Coolants, Cooling, Film cooling, Flow (Dynamics), Geometry, Airfoils, Wind tunnels
Proceedings Papers

An Investigation of Turbine Wheelspace Cooling Flow Interactions With a Transonic Hot Gas Path—Part 1: Experimental Measurements

R. S. Bunker, G. M. Laskowski, J. C. Bailey, P. Palafox, S. Kapetanovic, G. M. Itzel, M. A. Sullivan, T. R. Farrell
Proc. ASME. GT2009, Volume 3: Heat Transfer, Parts A and B, 1123-1136, June 8–12, 2009
Publisher: American Society of Mechanical Engineers
Paper No: GT2009-59237
https://doi.org/10.1115/GT2009-59237
View Paper titled, An Investigation of Turbine Wheelspace Cooling Flow Interactions With a Transonic Hot Gas Path—Part 1: Experimental Measurements
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Topics: Cooling, Flow (Dynamics), Turbines, Cavities, Polishing equipment, Blades, Cascades (Fluid dynamics), Cylinders, Design, Geometry
Proceedings Papers

A Study of Mesh-Fed Slot Film Cooling

R. S. Bunker
Proc. ASME. GT2009, Volume 3: Heat Transfer, Parts A and B, 263-275, June 8–12, 2009
Publisher: American Society of Mechanical Engineers
Paper No: GT2009-59338
https://doi.org/10.1115/GT2009-59338
View Paper titled, A Study of Mesh-Fed Slot Film Cooling
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Topics: Film cooling, Geometry, Airfoils, Diffusers, Coolants, Cooling, Flat plates, Testing, Turbines, Wall thickness
Proceedings Papers

An Investigation of Turbine Wheelspace Cooling Flow Interactions With a Transonic Hot Gas Path—Part 2: CFD Simulations

G. M. Laskowski, R. S. Bunker, J. C. Bailey, G. Ledezma, S. Kapetanovic, G. M. Itzel, M. A. Sullivan, T. R. Farrell
Proc. ASME. GT2009, Volume 3: Heat Transfer, Parts A and B, 1095-1111, June 8–12, 2009
Publisher: American Society of Mechanical Engineers
Paper No: GT2009-59193
https://doi.org/10.1115/GT2009-59193
View Paper titled, An Investigation of Turbine Wheelspace Cooling Flow Interactions With a Transonic Hot Gas Path—Part 2: CFD Simulations
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Topics: Computational fluid dynamics, Cooling, Engineering simulation, Flow (Dynamics), Simulation, Turbines, Cavities, Cylinders, Coolants, Polishing equipment
Proceedings Papers

Local Heat Transfer and Flow Distributions for Impinging Jet Arrays of Dense and Sparse Extent

J. C. Bailey, R. S. Bunker
Proc. ASME. GT2002, Volume 3: Turbo Expo 2002, Parts A and B, 855-864, June 3–6, 2002
Publisher: American Society of Mechanical Engineers
Paper No: GT2002-30473
https://doi.org/10.1115/GT2002-30473
View Paper titled, Local Heat Transfer and Flow Distributions for Impinging Jet Arrays of Dense and Sparse Extent
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Topics: Flow (Dynamics), Heat transfer, Heat transfer coefficients, Design, Jets, Liquid crystals, Pressure, Reynolds number, Thermography
Journal Articles

Electronics Packaging Cooling: Technologies From Gas Turbine Engine Cooling

M. Arik, R. S. Bunker
Journal: Journal of Electronic Packaging
Publisher: ASME
Article Type: Research Papers
J. Electron. Packag. September 2006, 128(3): 215–225.
https://doi.org/10.1115/1.2229219
Published Online: June 16, 2005
View Article titled, Electronics Packaging Cooling: Technologies From Gas Turbine Engine Cooling
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Topics: Cooling, Flow (Dynamics), Heat transfer, Gas turbines, Heat sinks, Turbines
Journal Articles

Latticework (Vortex) Cooling Effectiveness: Rotating Channel Experiments

S. Acharya, F. Zhou, J. Lagrone, G. Mahmood, R. S. Bunker
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Technical Papers
J. Turbomach. July 2005, 127(3): 471–478.
https://doi.org/10.1115/1.1860381
Published Online: March 1, 2004
View Article titled, Latticework (Vortex) Cooling Effectiveness: Rotating Channel Experiments
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Topics: Coolants, Cooling, Density, Flow (Dynamics), Friction, Heat transfer, Reynolds number, Rotation, Vortices, Blades
Journal Articles

Experimental and Numerical Study of Heat Transfer in a Gas Turbine Combustor Liner

J. C. Bailey, J. Intile, T. F. Fric, A. K. Tolpadi, N. V. Nirmalan, R. S. Bunker
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Technical Papers
J. Eng. Gas Turbines Power. October 2003, 125(4): 994–1002.
https://doi.org/10.1115/1.1615256
Published Online: November 18, 2003
View Article titled, Experimental and Numerical Study of Heat Transfer in a Gas Turbine Combustor Liner
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Topics: Combustion chambers, Computational fluid dynamics, Flow (Dynamics), Gas turbines, Heat transfer, Heat transfer coefficients, Jets, Turbulence, Geometry, Combustion