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Journal Articles

The Effect of Inlet Conditions on Turbine Endwall Loss

John D. Coull, Christopher J. Clark

J. Turbomach. October 2022, 144(10): 101011.

Paper No: TURBO-22-1038

DOI: https://doi.org/10.1115/1.4054443

Published Online: June 16, 2022

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Topics: Boundary layers, Computational fluid dynamics, Flow (Dynamics), Kinetic energy, Vorticity, Shapes, Turbines, Design, Cascades (Fluid dynamics)

Proceedings Papers

The Effect of Inlet Conditions on Turbine Endwall Loss

John D. Coull, Christopher J. Clark

Proc. ASME. GT2021, Volume 2B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing, V02BT32A011, June 7–11, 2021

Paper No: GT2021-59694

DOI: https://doi.org/10.1115/GT2021-59694

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Topics: Turbines, Vorticity, Blades, Boundary layers, Boundary-value problems, Design, Displacement, Energy dissipation, Flow (Dynamics), Kinetic energy

Journal Articles

Physics-Based Part Orientation and Sentencing: A Solution to Manufacturing Variability

Wen Yao Lee, William N. Dawes, John D. Coull

J. Turbomach. October 2020, 142(10): 101001.

Paper No: TURBO-20-1037

DOI: https://doi.org/10.1115/1.4047613

Published Online: September 11, 2020

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Topics: Blades, Manufacturing, Physics, Rotors, Geometry, Design

Journal Articles

The Impact of Combustor Turbulence on Turbine Loss Mechanisms

Masha Folk, Robert J. Miller, John D. Coull

J. Turbomach. September 2020, 142(9): 091009.

Paper No: TURBO-20-1040

DOI: https://doi.org/10.1115/1.4047615

Published Online: August 24, 2020

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Topics: Boundary layers, Combustion chambers, Turbulence, Turbines

Proceedings Papers

The Impact of Combustor Turbulence on Turbine Loss Mechanisms

Masha Folk, Robert J. Miller, John D. Coull

Proc. ASME. GT2019, Volume 2B: Turbomachinery, V02BT40A002, June 17–21, 2019

Paper No: GT2019-90307

DOI: https://doi.org/10.1115/GT2019-90307

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Topics: Combustion chambers, Turbines, Turbulence, Blades, Cascades (Fluid dynamics), Anisotropy, Boundary layer turbulence, Boundary layers, Chords (Trusses), Cross-flow

Proceedings Papers

Physics-Based Part Orientation and Sentencing: A Solution to Manufacturing Variability

Wen Yao Lee, William N. Dawes, John D. Coull

Proc. ASME. GT2019, Volume 2D: Turbomachinery, V02DT46A019, June 17–21, 2019

Paper No: GT2019-91591

DOI: https://doi.org/10.1115/GT2019-91591

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Topics: Manufacturing, Physics, Blades, Casting, Aircraft engines, Design, Engineering simulation, Errors, Geometry, High pressure (Physics)

Journal Articles

An Experimental Investigation of Adiabatic Film Cooling Effectiveness and Heat Transfer Coefficient on a Transonic Squealer Tip

Andrew J. Saul, Peter T. Ireland, John D. Coull, Tsun Holt Wong, Haidong Li, Eduardo Romero

J. Turbomach. September 2019, 141(9): 091005.

Paper No: TURBO-18-1310

DOI: https://doi.org/10.1115/1.4043263

Published Online: May 30, 2019

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Topics: Cavities, Clearances (Engineering), Coolants, Film cooling, Flow (Dynamics), Heat transfer coefficients, Pressure, Computational fluid dynamics, Blades, Engines

Proceedings Papers

An Experimental Investigation of Adiabatic Film Cooling Effectiveness and Heat Transfer Coefficient on a Transonic Squealer Tip

Andrew J. Saul, Peter T. Ireland, John D. Coull, Tsun Holt Wong, Haidong Li, Eduardo Romero

Proc. ASME. GT2018, Volume 5C: Heat Transfer, V05CT19A023, June 11–15, 2018

Paper No: GT2018-76207

DOI: https://doi.org/10.1115/GT2018-76207

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Topics: Film cooling, Heat transfer coefficients, Coolants, Pressure, Flow (Dynamics), Leakage flows, Blades, Cascades (Fluid dynamics), Clearances (Engineering), Engines

Journal Articles

Endwall Loss in Turbine Cascades

John D. Coull

J. Turbomach. August 2017, 139(8): 081004.

Paper No: TURBO-16-1281

DOI: https://doi.org/10.1115/1.4035663

Published Online: March 15, 2017

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Topics: Blades, Boundary layers, Design, Flow (Dynamics), Pressure, Suction, Turbines, Energy dissipation

Journal Articles

Parasitic Loss Due to Leading Edge Instrumentation on a Low-Pressure Turbine Blade

Henry C.-H. Ng, John D. Coull

J. Turbomach. April 2017, 139(4): 041007.

Paper No: TURBO-16-1218

DOI: https://doi.org/10.1115/1.4035043

Published Online: January 10, 2017

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Topics: Blades, Pressure, Probes, Flow (Dynamics)

Proceedings Papers

Parasitic Loss due to Leading Edge Instrumentation on a Low Pressure Turbine Blade

Henry C.-H. Ng, John D. Coull

Proc. ASME. GT2016, Volume 2B: Turbomachinery, V02BT38A042, June 13–17, 2016

Paper No: GT2016-57367

DOI: https://doi.org/10.1115/GT2016-57367

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Topics: Instrumentation, Pressure, Turbine blades, Probes, Blades, Vortices, Boundary layers, Cascades (Fluid dynamics), Testing, Turbulence

Proceedings Papers

Endwall Loss in Turbine Cascades

John D. Coull

Proc. ASME. GT2016, Volume 2B: Turbomachinery, V02BT38A039, June 13–17, 2016

Paper No: GT2016-57325

DOI: https://doi.org/10.1115/GT2016-57325

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Topics: Turbines, Design, Flow (Dynamics), Aerodynamics, Aircraft engines, Blades, Engineers, Engines, Pressure, Suction

Journal Articles

The Influence of Boundary Conditions on Tip Leakage Flow

John D. Coull, Nicholas R. Atkins

J. Turbomach. June 2015, 137(6): 061005.

Paper No: TURBO-14-1152

DOI: https://doi.org/10.1115/1.4028796

Published Online: June 1, 2015

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Topics: Blades, Flow (Dynamics), Leakage flows, Pressure, Suction, Boundary-value problems, Leakage, Heat transfer

Proceedings Papers

High Efficiency Cavity Winglets for High Pressure Turbines

John D. Coull, Nicholas R. Atkins, Howard P. Hodson

Proc. ASME. GT2014, Volume 2C: Turbomachinery, V02CT38A005, June 16–20, 2014

Paper No: GT2014-25261

DOI: https://doi.org/10.1115/GT2014-25261

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Topics: Cavities, High pressure (Physics), Turbines, Blades, Flow (Dynamics), Clearances (Engineering), Design, Coolants, Cooling, Discharge coefficient

Journal Articles

Winglets for Improved Aerothermal Performance of High Pressure Turbines

John D. Coull, Nick R. Atkins, Howard P. Hodson

J. Turbomach. September 2014, 136(9): 091007.

Paper No: TURBO-13-1229

DOI: https://doi.org/10.1115/1.4026909

Published Online: May 2, 2014

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Topics: Blades, Flow (Dynamics), Heat, Leakage, Leakage flows, Mach number, Pressure, Stress, Suction, Design

Proceedings Papers

The Influence of Boundary Conditions on Tip Leakage Flow

John D. Coull, Nicholas R. Atkins

Proc. ASME. TBTS2013, ASME 2013 Turbine Blade Tip Symposium, V001T01A004, September 30–October 3, 2013

Paper No: TBTS2013-2057

DOI: https://doi.org/10.1115/TBTS2013-2057

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Topics: Boundary-value problems, Leakage flows, Cascades (Fluid dynamics), Rotors, Turbines, Flow (Dynamics), High pressure (Physics), Aerodynamics, Aircraft engines, Blades

Proceedings Papers

Winglets for Improved Aerothermal Performance of High Pressure Turbines

John D. Coull, Nick R. Atkins, Howard P. Hodson

Proc. ASME. GT2013, Volume 6A: Turbomachinery, V06AT36A011, June 3–7, 2013

Paper No: GT2013-94425

DOI: https://doi.org/10.1115/GT2013-94425

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Topics: High pressure (Physics), Turbines, Blades, Heat transfer, Leakage, Leakage flows, Rotors, Suction, Design, Flow (Dynamics)

Journal Articles

Blade Loading and Its Application in the Mean-Line Design of Low Pressure Turbines

John D. Coull, Howard P. Hodson

J. Turbomach. March 2013, 135(2): 021032.

Paper No: TURBO-11-1192

DOI: https://doi.org/10.1115/1.4006588

Published Online: November 8, 2012

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Topics: Blades, Design, Flow (Dynamics), Reynolds number, Turbines, Pressure

Proceedings Papers

Blade Loading and its Application in the Mean-Line Design of Low Pressure Turbines

John D. Coull, Howard P. Hodson

Proc. ASME. GT2011, Volume 7: Turbomachinery, Parts A, B, and C, 547-558, June 6–10, 2011

Paper No: GT2011-45238

DOI: https://doi.org/10.1115/GT2011-45238

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Topics: Blades, Design, Pressure, Turbines, Flow (Dynamics), Reynolds number, Aircraft engines, Axial flow, Flow turning, Gages

Journal Articles

Predicting the Profile Loss of High-Lift Low Pressure Turbines

John D. Coull, Howard P. Hodson

J. Turbomach. March 2012, 134(2): 021002.

DOI: https://doi.org/10.1115/1.4002961

Published Online: June 21, 2011

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Topics: Blades, Boundary layers, Design, Flat plates, Momentum, Pressure, Separation (Technology), Suction, Flow (Dynamics), Turbines

Journal citation

NARROW

The Effect of Inlet Conditions on Turbine Endwall Loss

The Effect of Inlet Conditions on Turbine Endwall Loss

Physics-Based Part Orientation and Sentencing: A Solution to Manufacturing Variability

The Impact of Combustor Turbulence on Turbine Loss Mechanisms

The Impact of Combustor Turbulence on Turbine Loss Mechanisms

Physics-Based Part Orientation and Sentencing: A Solution to Manufacturing Variability

An Experimental Investigation of Adiabatic Film Cooling Effectiveness and Heat Transfer Coefficient on a Transonic Squealer Tip

An Experimental Investigation of Adiabatic Film Cooling Effectiveness and Heat Transfer Coefficient on a Transonic Squealer Tip

Endwall Loss in Turbine Cascades

Parasitic Loss Due to Leading Edge Instrumentation on a Low-Pressure Turbine Blade

Parasitic Loss due to Leading Edge Instrumentation on a Low Pressure Turbine Blade

Endwall Loss in Turbine Cascades

The Influence of Boundary Conditions on Tip Leakage Flow

High Efficiency Cavity Winglets for High Pressure Turbines

Winglets for Improved Aerothermal Performance of High Pressure Turbines

The Influence of Boundary Conditions on Tip Leakage Flow

Winglets for Improved Aerothermal Performance of High Pressure Turbines

Blade Loading and Its Application in the Mean-Line Design of Low Pressure Turbines

Blade Loading and its Application in the Mean-Line Design of Low Pressure Turbines

Predicting the Profile Loss of High-Lift Low Pressure Turbines

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