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Journal Articles

The Effects of Trailing Edge Thickness on the Losses of Ultrahigh Lift Low Pressure Turbine Blades

Chao Zhou, Howard Hodson, Christoph Himmel
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. August 2014, 136(8): 081011.
Paper No: TURBO-13-1136
https://doi.org/10.1115/1.4026456
Published Online: February 12, 2014
View Article titled, The Effects of Trailing Edge Thickness on the Losses of Ultrahigh Lift Low Pressure Turbine Blades
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Topics: Blades, Pressure, Cascades (Fluid dynamics), Flow (Dynamics)
Journal Articles

Aeromechanical Optimization of a Winglet-Squealer Tip for an Axial Turbine

Zbigniew Schabowski, Howard Hodson, Davide Giacche, Bronwyn Power, Mark R. Stokes
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. July 2014, 136(7): 071004.
Paper No: TURBO-12-1248
https://doi.org/10.1115/1.4025687
Published Online: January 2, 2014
View Article titled, Aeromechanical Optimization of a Winglet-Squealer Tip for an Axial Turbine
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Topics: Blades, Design, Flow (Dynamics), Geometry, Optimization, Pressure, Chords (Trusses), Cascades (Fluid dynamics), Turbines, Computational fluid dynamics
Proceedings Papers

The Effects of Trailing Edge Thickness on the Losses of Ultra-High Lift LP Turbine Blades

Chao Zhou, Howard Hodson, Christoph Himmel
Proc. ASME. GT2013, Volume 6A: Turbomachinery, V06AT36A001, June 3–7, 2013
Publisher: American Society of Mechanical Engineers
Paper No: GT2013-94029
https://doi.org/10.1115/GT2013-94029
View Paper titled, The Effects of Trailing Edge Thickness on the Losses of Ultra-High Lift LP Turbine Blades
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Topics: Turbine blades, Pressure, Blades, Reynolds number, Flow (Dynamics), Analytical methods, Cascades (Fluid dynamics), Chords (Trusses), Computational fluid dynamics, Diffusion (Physics)
Journal Articles

The Reduction of Over Tip Leakage Loss in Unshrouded Axial Turbines Using Winglets and Squealers

Zbigniew Schabowski, Howard Hodson
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. April 2014, 136(4): 041001.
Paper No: TURBO-12-1247
https://doi.org/10.1115/1.4024677
Published Online: September 26, 2013
View Article titled, The Reduction of Over Tip Leakage Loss in Unshrouded Axial Turbines Using Winglets and Squealers
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Topics: Blades, Flow (Dynamics), Leakage, Pressure, Suction, Design, Chords (Trusses), Geometry, Computational fluid dynamics, Cascades (Fluid dynamics)
Proceedings Papers

Effects of Winglet Geometry on the Aerodynamic Performance of Tip Leakage FLow in a Turbine Cascade

Chao Zhou, Howard Hodson, Ian Tibbott, Mark Stokes
Proc. ASME. GT2012, Volume 8: Turbomachinery, Parts A, B, and C, 1263-1274, June 11–15, 2012
Publisher: American Society of Mechanical Engineers
Paper No: GT2012-68942
https://doi.org/10.1115/GT2012-68942
View Paper titled, Effects of Winglet Geometry on the Aerodynamic Performance of Tip Leakage FLow in a Turbine Cascade
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Topics: Cascades (Fluid dynamics), Geometry, Leakage flows, Turbines, Pressure, Cavities, Flow (Dynamics), Discharge coefficient, Leakage, Numerical analysis
Proceedings Papers

Unsteady Interaction Between Annulus and Turbine Rim Seal Flows

Martin Chilla, Howard Hodson, David Newman
Proc. ASME. GT2012, Volume 8: Turbomachinery, Parts A, B, and C, 1359-1370, June 11–15, 2012
Publisher: American Society of Mechanical Engineers
Paper No: GT2012-69089
https://doi.org/10.1115/GT2012-69089
View Paper titled, Unsteady Interaction Between Annulus and Turbine Rim Seal Flows
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Topics: Annulus, Flow (Dynamics), Turbines, Sealing (Process), Rotors, Blades, Aerodynamics, Computer simulation, Design, Disks
Journal Articles

Unsteady Interaction Between Annulus and Turbine Rim Seal Flows

Martin Chilla, Howard Hodson, David Newman
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. September 2013, 135(5): 051024.
Paper No: TURBO-12-1193
https://doi.org/10.1115/1.4023016
Published Online: June 28, 2013
View Article titled, Unsteady Interaction Between Annulus and Turbine Rim Seal Flows
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Topics: Annulus, Blades, Flow (Dynamics), Turbines, Sealing (Process), Pressure, Rotors
Journal Articles

Effects of Winglet Geometry on the Aerodynamic Performance of Tip Leakage Flow in a Turbine Cascade

Chao Zhou, Howard Hodson, Ian Tibbott, Mark Stokes
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. September 2013, 135(5): 051009.
Paper No: TURBO-12-1082
https://doi.org/10.1115/1.4007831
Published Online: June 26, 2013
View Article titled, Effects of Winglet Geometry on the Aerodynamic Performance of Tip Leakage Flow in a Turbine Cascade
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Topics: Blades, Cavities, Flow (Dynamics), Leakage, Leakage flows, Pressure, Cascades (Fluid dynamics), Suction, Geometry, Turbines
Journal Articles

The Aerothermal Performance of a Cooled Winglet Tip in a High Pressure Turbine Cascade

Chao Zhou, Howard Hodson, Ian Tibbott, Mark Stokes
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. May 2013, 135(3): 031005.
Paper No: TURBO-11-1242
https://doi.org/10.1115/1.4006611
Published Online: March 25, 2013
View Article titled, The Aerothermal Performance of a Cooled Winglet Tip in a High Pressure Turbine Cascade
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Topics: Blades, Cascades (Fluid dynamics), Coolants, Cooling, Flow (Dynamics), Pressure, Leakage
Journal Articles

Effects of Endwall Motion on the Aero-Thermal Performance of a Winglet Tip in a HP Turbine

Chao Zhou, Howard Hodson, Ian Tibbott, Mark Stokes
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. November 2012, 134(6): 061036.
https://doi.org/10.1115/1.4006302
Published Online: September 17, 2012
View Article titled, Effects of Endwall Motion on the Aero-Thermal Performance of a Winglet Tip in a HP Turbine
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Topics: Blades, Film cooling, Flow (Dynamics), Leakage, Pressure, Suction, Cooling, Computational fluid dynamics, Cascades (Fluid dynamics), Leakage flows
Proceedings Papers

The Aero-Thermal Performance of a Cooled Winglet Tip in a High Pressure Turbine Cascade

Chao Zhou, Howard Hodson, Ian Tibbott, Mark Stokes
Proc. ASME. GT2011, Volume 5: Heat Transfer, Parts A and B, 1625-1637, June 6–10, 2011
Publisher: American Society of Mechanical Engineers
Paper No: GT2011-46369
https://doi.org/10.1115/GT2011-46369
View Paper titled, The Aero-Thermal Performance of a Cooled Winglet Tip in a High Pressure Turbine Cascade
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Topics: Cascades (Fluid dynamics), High pressure (Physics), Turbines, Coolants, Flow (Dynamics), Cooling, Blades, Heat, Leakage flows, Stress
Proceedings Papers

Effects of Endwall Motion on the Aero-Thermal Performance of a Winglet Tip in a HP Turbine

Chao Zhou, Howard Hodson, Ian Tibbott, Mark Stokes
Proc. ASME. GT2011, Volume 5: Heat Transfer, Parts A and B, 1639-1652, June 6–10, 2011
Publisher: American Society of Mechanical Engineers
Paper No: GT2011-46373
https://doi.org/10.1115/GT2011-46373
View Paper titled, Effects of Endwall Motion on the Aero-Thermal Performance of a Winglet Tip in a HP Turbine
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Topics: Blades, Cascades (Fluid dynamics), Cooling, Design, Film cooling, Flow (Dynamics), Gas turbines, Heat, Heat flux, Leakage
Proceedings Papers

Aerodynamic and Aerothermal Investigation of the Flow Around an HPT Rotor Shroud: PIV Measurements

Knut Lehmann, Vasudevan Kanjirakkad, Howard Hodson
Proc. ASME. GT2011, Volume 5: Heat Transfer, Parts A and B, 1363-1373, June 6–10, 2011
Publisher: American Society of Mechanical Engineers
Paper No: GT2011-45977
https://doi.org/10.1115/GT2011-45977
View Paper titled, Aerodynamic and Aerothermal Investigation of the Flow Around an HPT Rotor Shroud: PIV Measurements
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Topics: Flow (Dynamics), Rotors, Cooling, Blades, Cavities, Turbines, Cavity flows, Computation, Endoscopic devices, Energy dissipation
Proceedings Papers

Aerodynamic and Aerothermal Investigation of the Flow Around an HPT Rotor Shroud: Heat Transfer and Cooling Effectiveness

Knut Lehmann, Vasudevan Kanjirakkad, Howard Hodson
Proc. ASME. GT2011, Volume 5: Heat Transfer, Parts A and B, 1375-1384, June 6–10, 2011
Publisher: American Society of Mechanical Engineers
Paper No: GT2011-45979
https://doi.org/10.1115/GT2011-45979
View Paper titled, Aerodynamic and Aerothermal Investigation of the Flow Around an HPT Rotor Shroud: Heat Transfer and Cooling Effectiveness
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Topics: Cooling, Flow (Dynamics), Heat transfer, Rotors, Adiabatic cooling, Turbines, Aerodynamics, Blades, Cavities, Computation
Journal Articles

The Tip Leakage Flow of an Unshrouded High Pressure Turbine Blade With Tip Cooling

Chao Zhou, Howard Hodson
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. October 2011, 133(4): 041028.
https://doi.org/10.1115/1.4001174
Published Online: April 27, 2011
View Article titled, The Tip Leakage Flow of an Unshrouded High Pressure Turbine Blade With Tip Cooling
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Topics: Cavities, Coolants, Flow (Dynamics), Leakage, Leakage flows, Pressure, Blades, Suction, Chords (Trusses)
Proceedings Papers

Aeromechanical Optimisation of a Winglet-Squealer Tip for an Axial Turbine

Zbigniew Schabowski, Howard Hodson, Davide Giacche, Bronwyn Power, Mark R. Stokes
Proc. ASME. GT2010, Volume 7: Turbomachinery, Parts A, B, and C, 1593-1607, June 14–18, 2010
Publisher: American Society of Mechanical Engineers
Paper No: GT2010-23542
https://doi.org/10.1115/GT2010-23542
View Paper titled, Aeromechanical Optimisation of a Winglet-Squealer Tip for an Axial Turbine
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Topics: Optimization, Turbines, Geometry, Design, Cascades (Fluid dynamics), Blades, Cavities, Computational fluid dynamics, Deformation, Leakage
Journal Articles

Effect of Roughness and Unsteadiness on the Performance of a New Low Pressure Turbine Blade at Low Reynolds Numbers

Francesco Montomoli, Howard Hodson, Frank Haselbach
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. July 2010, 132(3): 031018.
https://doi.org/10.1115/1.3148475
Published Online: April 5, 2010
View Article titled, Effect of Roughness and Unsteadiness on the Performance of a New Low Pressure Turbine Blade at Low Reynolds Numbers
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Topics: Blades, Boundary layers, Design, Inflow, Mach number, Pressure, Reynolds number, Suction, Surface roughness, Wakes
Proceedings Papers

Heat Transfer and Aerodynamics of Over-Shroud Leakage Flows in a High-Pressure Turbine

Knut Lehmann, Richard Thomas, Howard Hodson, Vassilis Stefanis
Proc. ASME. GT2009, Volume 3: Heat Transfer, Parts A and B, 515-525, June 8–12, 2009
Publisher: American Society of Mechanical Engineers
Paper No: GT2009-59531
https://doi.org/10.1115/GT2009-59531
View Paper titled, Heat Transfer and Aerodynamics of Over-Shroud Leakage Flows in a High-Pressure Turbine
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Topics: Aerodynamics, Heat transfer, High pressure (Physics), Leakage flows, Turbines, Flow (Dynamics), Boundary layers, Cavities, Clearances (Engineering), Computational fluid dynamics
Proceedings Papers

The Tip Leakage Flow of an Unshrouded High Pressure Turbine Blade With Tip Cooling

Chao Zhou, Howard Hodson
Proc. ASME. GT2009, Volume 7: Turbomachinery, Parts A and B, 929-942, June 8–12, 2009
Publisher: American Society of Mechanical Engineers
Paper No: GT2009-59637
https://doi.org/10.1115/GT2009-59637
View Paper titled, The Tip Leakage Flow of an Unshrouded High Pressure Turbine Blade With Tip Cooling
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Topics: Cavities, Chords (Trusses), Coolants, Cooling, Flow (Dynamics), Geometry, High pressure (Physics), Leakage, Leakage flows, Momentum
Journal Articles

Effects of Reynolds Number and Freestream Turbulence Intensity on the Unsteady Boundary Layer Development on an Ultra-High-Lift Low Pressure Turbine Airfoil

Xue Feng Zhang, Howard Hodson
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. January 2010, 132(1): 011016.
https://doi.org/10.1115/1.3106031
Published Online: September 18, 2009
View Article titled, Effects of Reynolds Number and Freestream Turbulence Intensity on the Unsteady Boundary Layer Development on an Ultra-High-Lift Low Pressure Turbine Airfoil
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Topics: Airfoils, Blades, Boundary layers, Flow (Dynamics), Pressure, Reynolds number, Separation (Technology), Suction, Turbines, Turbulence