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Proceedings Papers

Effects of Free-Stream Turbulence and Wake Characteristics on the Heat Transfer Along a Cooled Gas Turbine Blade

S. Wittig, A. Schulz, K. Dullenkopf, J. Fairbank

Proc. ASME. GT1988, Volume 4: Heat Transfer; Electric Power; Industrial and Cogeneration, V004T09A030, June 6–9, 1988

Paper No: 88-GT-179

DOI: https://doi.org/10.1115/88-GT-179

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Topics: Blades, Gas turbines, Heat transfer, Turbulence, Wakes, Cross-flow, Airfoils, Generators, Modeling, Unsteady flow

Proceedings Papers

A Theory for Wake-Induced Transition

R. E. Mayle, K. Dullenkopf

Proc. ASME. GT1989, Volume 4: Heat Transfer; Electric Power; Industrial and Cogeneration, V004T08A005, June 4–8, 1989

Paper No: 89-GT-57

DOI: https://doi.org/10.1115/89-GT-57

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Topics: Airfoils, Boundary layers, Flat plates, Heat transfer, Turbulence, Wake turbulence, Wakes

Proceedings Papers

More on the Turbulent-Strip Theory for Wake-Induced Transition

R. E. Mayle, K. Dullenkopf

Proc. ASME. GT1990, Volume 4: Heat Transfer; Electric Power; Industrial and Cogeneration, V004T09A024, June 11–14, 1990

Paper No: 90-GT-137

DOI: https://doi.org/10.1115/90-GT-137

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Topics: Strips, Turbulence, Wakes, Flow (Dynamics), Boundary layers, Dimensional analysis, Wake turbulence

Proceedings Papers

The Effect of Incident Wake Conditions on the Mean Heat Transfer of an Airfoil

K. Dullenkopf, A. Schulz, S. Wittig

Proc. ASME. GT1990, Volume 4: Heat Transfer; Electric Power; Industrial and Cogeneration, V004T09A023, June 11–14, 1990

Paper No: 90-GT-121

DOI: https://doi.org/10.1115/90-GT-121

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Topics: Airfoils, Heat transfer, Wakes, Cascades (Fluid dynamics), Blades, Flow (Dynamics), Boundary layers, Cross-flow, Cylinders, Generators

Proceedings Papers

The Effects of Incident Turbulence and Moving Wakes on Laminar Heat Transfer in Gas Turbines

K. Dullenkopf, R. E. Mayle

Proc. ASME. GT1992, Volume 4: Heat Transfer; Electric Power; Industrial and Cogeneration, V004T09A031, June 1–4, 1992

Paper No: 92-GT-377

DOI: https://doi.org/10.1115/92-GT-377

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Topics: Gas turbines, Heat transfer, Turbulence, Wakes, Airfoils, Boundary layers, Cross-flow, Cylinders

Proceedings Papers

An Account of Free-Stream-Turbulence Length Scale on Laminar Heat Transfer

K. Dullenkopf, R. E. Mayle

Proc. ASME. GT1994, Volume 4: Heat Transfer; Electric Power; Industrial and Cogeneration, V004T09A026, June 13–16, 1994

Paper No: 94-GT-174

DOI: https://doi.org/10.1115/94-GT-174

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Topics: Heat transfer, Turbulence, Boundary layers, Flow (Dynamics), Stagnation flow

Proceedings Papers

The Turbulence That Matters

R. E. Mayle, K. Dullenkopf, A. Schulz

Proc. ASME. GT1997, Volume 1: Aircraft Engine; Marine; Turbomachinery; Microturbines and Small Turbomachinery, V001T03A046, June 2–5, 1997

Paper No: 97-GT-274

DOI: https://doi.org/10.1115/97-GT-274

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Topics: Turbulence, Heat transfer, Reynolds number, Boundary layers, Eddies (Fluid dynamics), Flow (Dynamics), Fluctuations (Physics), Gas turbines, Waves

Proceedings Papers

Numerical Investigation of the Aerodynamic Behaviour of a Compressor Bleed-Air System

V. Peltier, K. Dullenkopf, H.-J. Bauer

Proc. ASME. GT2014, Volume 2A: Turbomachinery, V02AT37A021, June 16–20, 2014

Paper No: GT2014-25822

DOI: https://doi.org/10.1115/GT2014-25822

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Topics: Compressors, Flow (Dynamics), Pressure, Design, Blades, Cooling, Corners (Structural elements), Engine design, Engineering simulation, Engines

Proceedings Papers

Flexible Seal Strip Design for Advanced Labyrinth Seals in Turbines

N. Herrmann, K. Dullenkopf, H.-J. Bauer

Proc. ASME. GT2013, Volume 5B: Oil and Gas Applications; Steam Turbines, V05BT25A035, June 3–7, 2013

Paper No: GT2013-95424

DOI: https://doi.org/10.1115/GT2013-95424

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Topics: Design, Strips, Turbines, Leakage, Pressure, Computational fluid dynamics, Discharge coefficient, Geometry, Risk, Wear

Proceedings Papers

Experimental Investigation of the Performance of Different Bleed Air System Designs

V. Peltier, K. Dullenkopf, H.-J. Bauer

Proc. ASME. GT2012, Volume 8: Turbomachinery, Parts A, B, and C, 9-21, June 11–15, 2012

Paper No: GT2012-68242

DOI: https://doi.org/10.1115/GT2012-68242

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Topics: Compressors, Computational fluid dynamics, Cooling, Databases, Engine design, Engines, Flow (Dynamics), Fluids, Fuel consumption, Manifolds

Proceedings Papers

Investigation of the Influence of Different Rim Seal Geometries in a Low-Pressure Turbine

P. Schuler, K. Dullenkopf, H.-J. Bauer

Proc. ASME. GT2011, Volume 7: Turbomachinery, Parts A, B, and C, 715-729, June 6–10, 2011

Paper No: GT2011-45682

DOI: https://doi.org/10.1115/GT2011-45682

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Topics: Pressure, Turbines, Flow (Dynamics), Sealing (Process), Design, Blades, Cascades (Fluid dynamics), Cavities, Gas flow, Boundary layers

Proceedings Papers

Design and Validation of a New Test Rig for Brush Seal Testing Under Engine Relevant Conditions

D. Pfefferle, K. Dullenkopf, H.-J. Bauer

Proc. ASME. GT2011, Volume 5: Heat Transfer, Parts A and B, 679-689, June 6–10, 2011

Paper No: GT2011-45107

DOI: https://doi.org/10.1115/GT2011-45107

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Topics: Design, Engines, Testing, Rotors, Heat, Leakage, Stress, Temperature, Abrasion, Aircraft engines

Proceedings Papers

The Influence of Different Rim Seal Geometries on Hot-Gas Ingestion and Total Pressure Loss in a Low-Pressure Turbine

P. Schuler, W. Kurz, K. Dullenkopf, H.-J. Bauer

Proc. ASME. GT2010, Volume 7: Turbomachinery, Parts A, B, and C, 1123-1134, June 14–18, 2010

Paper No: GT2010-22205

DOI: https://doi.org/10.1115/GT2010-22205

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Topics: Pressure, Turbines, Flow (Dynamics), Geometry, Sealing (Process), Gas flow, Boundary layers, Turbine blades, Blades, Cavities

Proceedings Papers

Interdependence of Discharge Behavior, Swirl Development and Total Temperature Increase in Rotating Labyrinth Seals

J. Denecke, J. Fa¨rber, K. Dullenkopf, H.-J. Bauer

Proc. ASME. GT2008, Volume 4: Heat Transfer, Parts A and B, 1717-1724, June 9–13, 2008

Paper No: GT2008-51429

DOI: https://doi.org/10.1115/GT2008-51429

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Topics: Temperature, Design, Engines, Equilibrium (Physics), Leakage flows, Stators, Aircraft engines, Carbon, Computational fluid dynamics, Gas turbines

Proceedings Papers

An Experimental Study on Droplet Generation in Bearing Chambers Caused by Roller Bearings

P. Gorse, K. Dullenkopf, H.-J. Bauer, S. Wittig

Proc. ASME. GT2008, Volume 4: Heat Transfer, Parts A and B, 1681-1692, June 9–13, 2008

Paper No: GT2008-51281

DOI: https://doi.org/10.1115/GT2008-51281

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Topics: Bearings, Drops, Roller bearings, Engines, Aircraft engines, Cooling, Design, Lubrication, Particulate matter, Pipes

Proceedings Papers

Measurement and Analysis of Aerodynamic and Thermodynamic Losses in Pre-Swirl System Arrangements

C. Bricaud, T. Geis, K. Dullenkopf, H.-J. Bauer

Proc. ASME. GT2007, Volume 4: Turbo Expo 2007, Parts A and B, 1115-1126, May 14–17, 2007

Paper No: GT2007-27191

DOI: https://doi.org/10.1115/GT2007-27191

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Topics: Cooling, Discharge coefficient, Flow (Dynamics), Friction, Nozzles, Pressure, Rotors, Stators, Temperature, Temperature measurement

Proceedings Papers

Periodic Velocity Measurements in a Wide and Large Radius Ratio Automotive Torque Converter at the Pump/Turbine Interface

S. O. Kraus, R. Flack, A. Habsieger, G. T. Gillies, K. Dullenkopf

Proc. ASME. FEDSM2002, Volume 2: Symposia and General Papers, Parts A and B, 103-113, July 14–18, 2002

Paper No: FEDSM2002-31162

DOI: https://doi.org/10.1115/FEDSM2002-31162

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Topics: Pump turbines, Torque converters, Velocity measurement, Pumps, Flow (Dynamics), Turbines, Turbine blades, Blades, Cycles, Geometry

Proceedings Papers

Direct-Transfer Preswirl System: A One Dimensional Modular Characterization of the Flow

M. Dittmann, K. Dullenkopf, S. Wittig

Proc. ASME. GT2003, Volume 5: Turbo Expo 2003, Parts A and B, 993-1000, June 16–19, 2003

Paper No: GT2003-38312

DOI: https://doi.org/10.1115/GT2003-38312

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Topics: Flow (Dynamics), Rotors, Cooling, Discharge coefficient, Disks, Nozzles, Blades, Deflection, Gas turbines, High pressure (Physics)

Proceedings Papers

Discharge Coefficients of Rotating Short Orifices With Radiused and Chamfered Inlets

M. Dittmann, K. Dullenkopf, S. Wittig

Proc. ASME. GT2003, Volume 5: Turbo Expo 2003, Parts A and B, 1001-1009, June 16–19, 2003

Paper No: GT2003-38314

DOI: https://doi.org/10.1115/GT2003-38314

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Topics: Discharge coefficient, Orifices, Cooling, Geometry, Compressors, Design, Engines, Flow (Dynamics), Gas turbines, Pressure

Proceedings Papers

3D-LDA Measurements in an Aero-Engine Bearing Chamber

Ph. Gorse, K. Willenborg, S. Busam, J. Ebner, K. Dullenkopf, S. Wittig

Proc. ASME. GT2003, Volume 5: Turbo Expo 2003, Parts A and B, 257-265, June 16–19, 2003

Paper No: GT2003-38376

DOI: https://doi.org/10.1115/GT2003-38376

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Topics: Aircraft engines, Bearings, Flow (Dynamics), Air flow, Drops, Industrial lubrication systems, Laser Doppler anemometry, Lubrication, Pressure, Reliability

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Journal citation

NARROW

Effects of Free-Stream Turbulence and Wake Characteristics on the Heat Transfer Along a Cooled Gas Turbine Blade

A Theory for Wake-Induced Transition

More on the Turbulent-Strip Theory for Wake-Induced Transition

The Effect of Incident Wake Conditions on the Mean Heat Transfer of an Airfoil

The Effects of Incident Turbulence and Moving Wakes on Laminar Heat Transfer in Gas Turbines

An Account of Free-Stream-Turbulence Length Scale on Laminar Heat Transfer

The Turbulence That Matters

Numerical Investigation of the Aerodynamic Behaviour of a Compressor Bleed-Air System

Flexible Seal Strip Design for Advanced Labyrinth Seals in Turbines

Experimental Investigation of the Performance of Different Bleed Air System Designs

Investigation of the Influence of Different Rim Seal Geometries in a Low-Pressure Turbine

Design and Validation of a New Test Rig for Brush Seal Testing Under Engine Relevant Conditions

The Influence of Different Rim Seal Geometries on Hot-Gas Ingestion and Total Pressure Loss in a Low-Pressure Turbine

Interdependence of Discharge Behavior, Swirl Development and Total Temperature Increase in Rotating Labyrinth Seals

An Experimental Study on Droplet Generation in Bearing Chambers Caused by Roller Bearings

Measurement and Analysis of Aerodynamic and Thermodynamic Losses in Pre-Swirl System Arrangements

Periodic Velocity Measurements in a Wide and Large Radius Ratio Automotive Torque Converter at the Pump/Turbine Interface

Direct-Transfer Preswirl System: A One Dimensional Modular Characterization of the Flow

Discharge Coefficients of Rotating Short Orifices With Radiused and Chamfered Inlets

3D-LDA Measurements in an Aero-Engine Bearing Chamber

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