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Journal Articles

Conditioning of Leakage Flows in Gas Turbine Rotor–Stator Cavities

P. W. Darby, A. W. Mesny, G. De Cosmo, M. Carnevale, G. D. Lock, J. A. Scobie, C. M. Sangan
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. February 2021, 143(2): 021009.
Paper No: GTP-20-1544
https://doi.org/10.1115/1.4049409
Published Online: January 18, 2021
View Article titled, Conditioning of Leakage Flows in Gas Turbine Rotor–Stator Cavities
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Topics: Cavities, Flow (Dynamics), Leakage, Leakage flows, Rotors, Stators, Momentum, Sealing (Process), Disks
Proceedings Papers

Conditioning of Leakage Flows in Gas Turbine Rotor-Stator Cavities

P. W. Darby, A. W. Mesny, G. De Cosmo, M. Carnevale, G. D. Lock, J. A. Scobie, C. M. Sangan
Proc. ASME. GT2020, Volume 7C: Heat Transfer, V07CT14A007, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-14308
https://doi.org/10.1115/GT2020-14308
View Paper titled, Conditioning of Leakage Flows in Gas Turbine Rotor-Stator Cavities
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Topics: Cavities, Gas turbines, Leakage flows, Rotors, Stators, Flow (Dynamics), Leakage, Disks, Momentum, Engines
Proceedings Papers

A Cold Heat Transfer Tunnel for Gas Turbine Research on an Annular Cascade

R. F. Martinez-Botas, A. J. Main, G. D. Lock, T. V. Jones
Proc. ASME. GT1993, Volume 3B: General, V03BT16A004, May 24–27, 1993
Publisher: American Society of Mechanical Engineers
Paper No: 93-GT-248
https://doi.org/10.1115/93-GT-248
View Paper titled, A Cold Heat Transfer Tunnel for Gas Turbine Research on an Annular Cascade
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Topics: Cascades (Fluid dynamics), Gas turbines, Heat transfer, Tunnels, Blades, Design, Flow (Dynamics), Mach number, Nozzle guide vanes, Pressure
Proceedings Papers

Heat Transfer Measurements in an Annular Cascade of Transonic Gas Turbine Blades Using the Transient Liquid Crystal Technique

R. F. Martinez-Botas, G. D. Lock, T. V. Jones
Proc. ASME. GT1994, Volume 4: Heat Transfer; Electric Power; Industrial and Cogeneration, V004T09A024, June 13–16, 1994
Publisher: American Society of Mechanical Engineers
Paper No: 94-GT-172
https://doi.org/10.1115/94-GT-172
View Paper titled, Heat Transfer Measurements in an Annular Cascade of Transonic Gas Turbine Blades Using the Transient Liquid Crystal Technique
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Topics: Blades, Cascades (Fluid dynamics), Gas turbines, Heat transfer, Liquid crystals, Transients (Dynamics), Heat transfer coefficients, Reynolds number, Airfoils, Annulus
Proceedings Papers

Endwall Heat Transfer and Aerodynamic Measurements in an Annular Cascade of Nozzle Guide Vanes

M. C. Spencer, G. D. Lock, T. V. Jones, N. W. Harvey
Proc. ASME. GT1995, Volume 4: Heat Transfer; Electric Power; Industrial and Cogeneration, V004T09A048, June 5–8, 1995
Publisher: American Society of Mechanical Engineers
Paper No: 95-GT-356
https://doi.org/10.1115/95-GT-356
View Paper titled, Endwall Heat Transfer and Aerodynamic Measurements in an Annular Cascade of Nozzle Guide Vanes
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Topics: Cascades (Fluid dynamics), Heat transfer, Nozzle guide vanes, Mach number, Engines, Flow (Dynamics), Flow visualization, Heat transfer coefficients, High pressure (Physics), Liquid crystals
Proceedings Papers

The Application of Thin Film Gauges on Flexible Plastic Substrates to the Gas Turbine Situation

S. M. Guo, M. C. Spencer, G. D. Lock, T. V. Jones, N. W. Harvey
Proc. ASME. GT1995, Volume 4: Heat Transfer; Electric Power; Industrial and Cogeneration, V004T09A049, June 5–8, 1995
Publisher: American Society of Mechanical Engineers
Paper No: 95-GT-357
https://doi.org/10.1115/95-GT-357
View Paper titled, The Application of Thin Film Gauges on Flexible Plastic Substrates to the Gas Turbine Situation
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Topics: Gages, Gas turbines, Thin films, Heat transfer, Aluminum, Metals, Nozzle guide vanes, Temperature, Boundary-value problems, Calibration
Proceedings Papers

Free Vortex Theory for Efficiency Calculations From Annular Cascade Data

A. J. Main, M. L. G. Oldfield, G. D. Lock, T. V. Jones
Proc. ASME. GT1995, Volume 1: Turbomachinery, V001T01A045, June 5–8, 1995
Publisher: American Society of Mechanical Engineers
Paper No: 95-GT-186
https://doi.org/10.1115/95-GT-186
View Paper titled, Free Vortex Theory for Efficiency Calculations From Annular Cascade Data
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Topics: Cascades (Fluid dynamics), Vortices, Flow (Dynamics), Kinetic energy, Nozzle guide vanes, Computers, Degrees of freedom, Momentum, Pressure, Probes
Proceedings Papers

Computational Prediction of Heat Transfer to Gas Turbine Nozzle Guide Vanes With Roughened Surfaces

S. M. Guo, T. V. Jones, G. D. Lock, S. N. Dancer
Proc. ASME. GT1996, Volume 4: Heat Transfer; Electric Power; Industrial and Cogeneration, V004T09A046, June 10–13, 1996
Publisher: American Society of Mechanical Engineers
Paper No: 96-GT-388
https://doi.org/10.1115/96-GT-388
View Paper titled, Computational Prediction of Heat Transfer to Gas Turbine Nozzle Guide Vanes With Roughened Surfaces
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Topics: Gas turbines, Heat transfer, Nozzle guide vanes, Surface roughness, Heat transfer coefficients, Airfoils, Computation, Damping, Engines, Flow visualization
Proceedings Papers

Engine Representative Discharge Coefficients Measured in an Annular Nozzle Guide Vane Cascade

D. A. Rowbury, M. L. G. Oldfield, G. D. Lock
Proc. ASME. GT1997, Volume 1: Aircraft Engine; Marine; Turbomachinery; Microturbines and Small Turbomachinery, V001T03A030, June 2–5, 1997
Publisher: American Society of Mechanical Engineers
Paper No: 97-GT-099
https://doi.org/10.1115/97-GT-099
View Paper titled, Engine Representative Discharge Coefficients Measured in an Annular Nozzle Guide Vane Cascade
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Topics: Cascades (Fluid dynamics), Discharge coefficient, Engines, Nozzle guide vanes, Coolants, Flow (Dynamics), Aircraft engines, Film cooling, Blades, Cooling
Proceedings Papers

The Influence of Film Cooling on the Efficiency of an Annular Nozzle Guide Vane Cascade

C. R. B. Day, M. L. G. Oldfield, G. D. Lock
Proc. ASME. GT1997, Volume 1: Aircraft Engine; Marine; Turbomachinery; Microturbines and Small Turbomachinery, V001T03A104, June 2–5, 1997
Publisher: American Society of Mechanical Engineers
Paper No: 97-GT-521
https://doi.org/10.1115/97-GT-521
View Paper titled, The Influence of Film Cooling on the Efficiency of an Annular Nozzle Guide Vane Cascade
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Topics: Cascades (Fluid dynamics), Film cooling, Nozzle guide vanes, Coolants, Design, Momentum, Engines, Probes, Airfoils, Computational fluid dynamics
Proceedings Papers

Scaling of Film Cooling Discharge Coefficient Measurements to Engine Conditions

D. A. Rowbury, M. L. G. Oldfield, G. D. Lock, S. N. Dancer
Proc. ASME. GT1998, Volume 4: Heat Transfer; Electric Power; Industrial and Cogeneration, V004T09A010, June 2–5, 1998
Publisher: American Society of Mechanical Engineers
Paper No: 98-GT-079
https://doi.org/10.1115/98-GT-079
View Paper titled, Scaling of Film Cooling Discharge Coefficient Measurements to Engine Conditions
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Topics: Discharge coefficient, Engines, Film cooling, Coolants, Reynolds number, Temperature, Cascades (Fluid dynamics), Cooling, Density, Design
Proceedings Papers

Large-Scale Testing to Validate the Influence of External Crossflow on the Discharge Coefficients of Film Cooling Holes

D. A. Rowbury, M. L. G. Oldfield, G. D. Lock
Proc. ASME. GT2000, Volume 3: Heat Transfer; Electric Power; Industrial and Cogeneration, V003T01A094, May 8–11, 2000
Publisher: American Society of Mechanical Engineers
Paper No: 2000-GT-0293
https://doi.org/10.1115/2000-GT-0293
View Paper titled, Large-Scale Testing to Validate the Influence of External Crossflow on the Discharge Coefficients of Film Cooling Holes
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Topics: Discharge coefficient, Film cooling, Testing, Flow (Dynamics), Coolants, Pressure, Cascades (Fluid dynamics), Tunnels, Aircraft engines, Engines
Proceedings Papers

A Method for Correlating the Influence of External Crossflow on the Discharge Coefficients of Film Cooling Holes

D. A. Rowbury, M. L. G. Oldfield, G. D. Lock
Proc. ASME. GT2000, Volume 3: Heat Transfer; Electric Power; Industrial and Cogeneration, V003T01A095, May 8–11, 2000
Publisher: American Society of Mechanical Engineers
Paper No: 2000-GT-0294
https://doi.org/10.1115/2000-GT-0294
View Paper titled, A Method for Correlating the Influence of External Crossflow on the Discharge Coefficients of Film Cooling Holes
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Topics: Discharge coefficient, Film cooling, Engines, Coolants, Mach number, Reynolds number, Cascades (Fluid dynamics), Flow (Dynamics), Pressure, Aircraft engines
Proceedings Papers

Influence of Surface Roughness on Heat Transfer and Effectiveness for a Fully Film Cooled Nozzle Guide Vane Measured by Wide Band Liquid Crystals and Direct Heat Flux Gauges

S. M. Guo, C. C. Lai, T. V. Jones, M. L. G. Oldfield, G. D. Lock, A. J. Rawlinson
Proc. ASME. GT2000, Volume 3: Heat Transfer; Electric Power; Industrial and Cogeneration, V003T01A012, May 8–11, 2000
Publisher: American Society of Mechanical Engineers
Paper No: 2000-GT-0204
https://doi.org/10.1115/2000-GT-0204
View Paper titled, Influence of Surface Roughness on Heat Transfer and Effectiveness for a Fully Film Cooled Nozzle Guide Vane Measured by Wide Band Liquid Crystals and Direct Heat Flux Gauges
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Topics: Gages, Heat flux, Heat transfer, Liquid crystals, Nozzle guide vanes, Surface roughness, Heat transfer coefficients, Cooling, Engines, Film cooling
Proceedings Papers

A Converging Slot-Hole Film-Cooling Geometry: Part 2 — Transonic Nozzle Guide Vane Heat Transfer and Loss

J. E. Sargison, S. M. Guo, M. L. G. Oldfield, G. D. Lock, A. J. Rawlinson
Proc. ASME. GT2001, Volume 3: Heat Transfer; Electric Power; Industrial and Cogeneration, V003T01A013, June 4–7, 2001
Publisher: American Society of Mechanical Engineers
Paper No: 2001-GT-0127
https://doi.org/10.1115/2001-GT-0127
View Paper titled, A Converging Slot-Hole Film-Cooling Geometry: Part 2 — Transonic Nozzle Guide Vane Heat Transfer and Loss
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Topics: Film cooling, Geometry, Heat transfer, Nozzle guide vanes, Engines, Coolants, Tunnels, Adiabatic cooling, Blades, Computers
Proceedings Papers

A Converging Slot-Hole Film-Cooling Geometry: Part 1 — Low-Speed Flat-Plate Heat Transfer and Loss

J. E. Sargison, S. M. Guo, M. L. G. Oldfield, G. D. Lock, A. J. Rawlinson
Proc. ASME. GT2001, Volume 3: Heat Transfer; Electric Power; Industrial and Cogeneration, V003T01A012, June 4–7, 2001
Publisher: American Society of Mechanical Engineers
Paper No: 2001-GT-0126
https://doi.org/10.1115/2001-GT-0126
View Paper titled, A Converging Slot-Hole Film-Cooling Geometry: Part 1 — Low-Speed Flat-Plate Heat Transfer and Loss
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Topics: Film cooling, Flat plates, Geometry, Heat transfer, Engines, Heat flux, Temperature, Adiabatic cooling, Blades, Boundary layers
Journal Articles

Effect of Radial Location of Nozzles on Heat Transfer in Preswirl Cooling Systems

V. U. Kakade, G. D. Lock, M. Wilson, J. M. Owen, J. E. Mayhew
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. April 2011, 133(2): 021023.
https://doi.org/10.1115/1.4001189
Published Online: October 26, 2010
View Article titled, Effect of Radial Location of Nozzles on Heat Transfer in Preswirl Cooling Systems
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Topics: Cooling, Disks, Flow (Dynamics), Heat transfer, Nozzles, Rotating disks, Temperature, Uncertainty, Heat conduction, Boundary layers
Proceedings Papers

Effect of Radial Location of Nozzles on Heat Transfer in Pre-Swirl Cooling System

V. U. Kakade, G. D. Lock, M. Wilson, J. M. Owen, J. E. Mayhew
Proc. ASME. GT2009, Volume 3: Heat Transfer, Parts A and B, 1051-1060, June 8–12, 2009
Publisher: American Society of Mechanical Engineers
Paper No: GT2009-59090
https://doi.org/10.1115/GT2009-59090
View Paper titled, Effect of Radial Location of Nozzles on Heat Transfer in Pre-Swirl Cooling System
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Topics: Cooling systems, Heat transfer, Nozzles, Flow (Dynamics), Disks, Rotating disks, Temperature, Boundary layers, Computational fluid dynamics, Convection
Journal Articles

Aerothermal Investigation of Tip Leakage Flow in a Film Cooled Industrial Turbine Rotor

S. K. Krishnababu, H. P. Hodson, G. D. Booth, G. D. Lock, W. N. Dawes
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. April 2010, 132(2): 021016.
https://doi.org/10.1115/1.3144164
Published Online: January 20, 2010
View Article titled, Aerothermal Investigation of Tip Leakage Flow in a Film Cooled Industrial Turbine Rotor
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Topics: Blades, Coolants, Flow (Dynamics), Heat flux, Heat transfer, Leakage, Leakage flows, Suction, Rotors, Dust
Proceedings Papers

Aero-Thermal Investigation of Tip Leakage Flow in a Film Cooled Industrial Turbine Rotor

S. K. Krishnababu, H. P. Hodson, G. D. Booth, G. D. Lock, W. N. Dawes
Proc. ASME. GT2008, Volume 4: Heat Transfer, Parts A and B, 177-186, June 9–13, 2008
Publisher: American Society of Mechanical Engineers
Paper No: GT2008-50222
https://doi.org/10.1115/GT2008-50222
View Paper titled, Aero-Thermal Investigation of Tip Leakage Flow in a Film Cooled Industrial Turbine Rotor
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Topics: Leakage flows, Rotors, Turbines, Flow (Dynamics), Blades, Coolants, Heat transfer, Computation, Heat flux, Cavities