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Proceedings Papers

Development and Optimization of Advanced Atomizers for Application in Premix Ducts

Georg Maier, Michael Willmann, Sigmar Wittig

Proc. ASME. GT1997, Volume 2: Coal, Biomass and Alternative Fuels; Combustion and Fuels; Oil and Gas Applications; Cycle Innovations, V002T06A001, June 2–5, 1997

Paper No: 97-GT-056

DOI: https://doi.org/10.1115/97-GT-056

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Topics: Ducts, Optimization, Flow (Dynamics), Combustion, Drops, Gas turbines, Nozzles, Design, Emissions, Fuels

Proceedings Papers

Experimental and Theoretical Study of Droplet Vaporization in a High Pressure Environment

Jörg Stengele, Michael Willmann, Sigmar Wittig

Proc. ASME. GT1997, Volume 2: Coal, Biomass and Alternative Fuels; Combustion and Fuels; Oil and Gas Applications; Cycle Innovations, V002T06A022, June 2–5, 1997

Paper No: 97-GT-151

DOI: https://doi.org/10.1115/97-GT-151

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Topics: Drops, High pressure (Physics), Evaporation, Temperature, Gas turbines, Heat conduction, Pressure, Combustion chambers, Design, Fibers

Proceedings Papers

Computation of Two-Phase Flows in Low-NO x Combustor Premix Ducts Utilizing Fuel Film Evaporation

Heiko Rosskamp, Michael Willmann, Sigmar Wittig

Proc. ASME. GT1997, Volume 2: Coal, Biomass and Alternative Fuels; Combustion and Fuels; Oil and Gas Applications; Cycle Innovations, V002T06A032, June 2–5, 1997

Paper No: 97-GT-226

DOI: https://doi.org/10.1115/97-GT-226

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Topics: Combustion chambers, Computation, Ducts, Evaporation, Fuels, Two-phase flow, Flow (Dynamics), Aircraft, Boundary layers, Coke

Proceedings Papers

Validation of Numerical Methods at a Confined Turbulent Natural Gas Diffusion Flame Considering Detailed Radiative Transfer

Benedikt Ganz, Peter Schmittel, Rainer Koch, Sigmar Wittig

Proc. ASME. GT1998, Volume 3: Coal, Biomass and Alternative Fuels; Combustion and Fuels; Oil and Gas Applications; Cycle Innovations, V003T06A014, June 2–5, 1998

Paper No: 98-GT-228

DOI: https://doi.org/10.1115/98-GT-228

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Topics: Diffusion flames, Natural gas, Numerical analysis, Radiative heat transfer, Turbulence, Flow (Dynamics), Temperature, Combustion chambers, Radiation (Physics), Flames

Proceedings Papers

Correlations of the Convective Heat Transfer in Annular Channels With Rotating Inner Cylinder

Ralf Jakoby, Soksik Kim, Sigmar Wittig

Proc. ASME. GT1998, Volume 4: Heat Transfer; Electric Power; Industrial and Cogeneration, V004T09A016, June 2–5, 1998

Paper No: 98-GT-097

DOI: https://doi.org/10.1115/98-GT-097

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Topics: Convection, Cylinders, Flow (Dynamics), Vortices, Heat transfer, Rotation, Stability, Axial flow, Channel flow, Cooling

Proceedings Papers

Effect of the Shear Driven Liquid Wall Film on the Performance of Prefilming Airblast Atomizers

Heiko Rosskamp, Michael Willmann, Jürgen Meisl, Robert Meier, Georg Maier, Sigmar Wittig

Proc. ASME. GT1998, Volume 3: Coal, Biomass and Alternative Fuels; Combustion and Fuels; Oil and Gas Applications; Cycle Innovations, V003T06A046, June 2–5, 1998

Paper No: 98-GT-500

DOI: https://doi.org/10.1115/98-GT-500

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Topics: Aerodynamics, Air flow, Combustion chambers, Computer simulation, Computers, Design, Drops, Emissions, Film flow, Flow (Dynamics)

Proceedings Papers

Effect of Internal Coolant Crossflow Orientation on the Discharge Coefficient of Shaped Film Cooling Holes

Michael Gritsch, Christian Saumweber, Achmed Schulz, Sigmar Wittig, Edwin Sharp

Proc. ASME. GT1999, Volume 3: Heat Transfer; Electric Power; Industrial and Cogeneration, V003T01A014, June 7–10, 1999

Paper No: 99-GT-040

DOI: https://doi.org/10.1115/99-GT-040

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Topics: Coolants, Discharge coefficient, Film cooling, Flow (Dynamics), Mach number, Diffusers, Engines, Geometry, Pressure

Proceedings Papers

Internal Bearing Chamber Wall Heat Transfer as a Function of Operating Conditions and Chamber Geometry

Stefan Busam, Axel Glahn, Sigmar Wittig

Proc. ASME. GT1999, Volume 3: Heat Transfer; Electric Power; Industrial and Cogeneration, V003T01A067, June 7–10, 1999

Paper No: 99-GT-249

DOI: https://doi.org/10.1115/99-GT-249

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Topics: Bearings, Geometry, Heat transfer, Heat, Aircraft engines, Engines, Fire, Flow (Dynamics), Friction, Heat transfer coefficients

Proceedings Papers

The Superposition Approach to Local Heat Transfer Coefficients in High Density Ratio Film Cooling Flows

Michael Gritsch, Stefan Baldauf, Moritz Martiny, Achmed Schulz, Sigmar Wittig

Proc. ASME. GT1999, Volume 3: Heat Transfer; Electric Power; Industrial and Cogeneration, V003T01A048, June 7–10, 1999

Paper No: 99-GT-168

DOI: https://doi.org/10.1115/99-GT-168

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Topics: Density, Film cooling, Flow (Dynamics), Heat transfer coefficients, Coolants, Temperature, Boundary layers, Differential equations

Proceedings Papers

Effect of Crossflows on the Discharge Coefficient of Film Cooling Holes With Varying Angles of Inclination and Orientation

Michael Gritsch, Achmed Schulz, Sigmar Wittig

Proc. ASME. GT2001, Volume 3: Heat Transfer; Electric Power; Industrial and Cogeneration, V003T01A020, June 4–7, 2001

Paper No: 2001-GT-0134

DOI: https://doi.org/10.1115/2001-GT-0134

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Topics: Discharge coefficient, Film cooling, Cooling, Engines, Geometry, Mach number, Pressure

Proceedings Papers

Free-Stream Turbulence Effects on Film Cooling With Shaped Holes

Christian Saumweber, Achmed Schulz, Sigmar Wittig

Proc. ASME. GT2002, Volume 3: Turbo Expo 2002, Parts A and B, 41-49, June 3–6, 2002

Paper No: GT2002-30170

DOI: https://doi.org/10.1115/GT2002-30170

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Topics: Film cooling, Turbulence, Density, Engines, Heat transfer coefficients, Mach number, Temperature

Journal Articles

Effect of Internal Coolant Crossflow on the Effectiveness of Shaped Film-Cooling Holes

Michael Gritsch, Achmed Schulz, Sigmar Wittig

J. Turbomach. July 2003, 125(3): 547–554.

DOI: https://doi.org/10.1115/1.1580523

Published Online: August 27, 2003

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Topics: Coolants, Film cooling, Mach number, Flow (Dynamics)

Journal Articles

Free-Stream Turbulence Effects on Film Cooling With Shaped Holes

Christian Saumweber, Achmed Schulz, Sigmar Wittig

J. Turbomach. January 2003, 125(1): 65–73.

DOI: https://doi.org/10.1115/1.1515336

Published Online: January 23, 2003

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Topics: Film cooling, Turbulence, Heat transfer coefficients, Density

Journal Articles

Effect of Crossflows on the Discharge Coefficient of Film Cooling Holes With Varying Angles of Inclination and Orientation

Michael Gritsch, Achmed Schulz, Sigmar Wittig

J. Turbomach. October 2001, 123(4): 781–787.

DOI: https://doi.org/10.1115/1.1397306

Published Online: February 1, 2001

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Topics: Discharge coefficient, Film cooling, Mach number, Pressure, Flow (Dynamics)

Journal Articles

Internal Bearing Chamber Wall Heat Transfer as a Function of Operating Conditions and Chamber Geometry

Stefan Busam, Axel Glahn, Sigmar Wittig

J. Eng. Gas Turbines Power. April 2000, 122(2): 314–320.

DOI: https://doi.org/10.1115/1.483209

Published Online: January 3, 2000

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Topics: Bearings, Flow (Dynamics), Heat transfer, Heat transfer coefficients, Lubrication, Geometry

Journal citation

NARROW

Development and Optimization of Advanced Atomizers for Application in Premix Ducts

Experimental and Theoretical Study of Droplet Vaporization in a High Pressure Environment

Computation of Two-Phase Flows in Low-NO x Combustor Premix Ducts Utilizing Fuel Film Evaporation

Validation of Numerical Methods at a Confined Turbulent Natural Gas Diffusion Flame Considering Detailed Radiative Transfer

Correlations of the Convective Heat Transfer in Annular Channels With Rotating Inner Cylinder

Effect of the Shear Driven Liquid Wall Film on the Performance of Prefilming Airblast Atomizers

Effect of Internal Coolant Crossflow Orientation on the Discharge Coefficient of Shaped Film Cooling Holes

Internal Bearing Chamber Wall Heat Transfer as a Function of Operating Conditions and Chamber Geometry

The Superposition Approach to Local Heat Transfer Coefficients in High Density Ratio Film Cooling Flows

Effect of Crossflows on the Discharge Coefficient of Film Cooling Holes With Varying Angles of Inclination and Orientation

Free-Stream Turbulence Effects on Film Cooling With Shaped Holes

Effect of Internal Coolant Crossflow on the Effectiveness of Shaped Film-Cooling Holes

Free-Stream Turbulence Effects on Film Cooling With Shaped Holes

Effect of Crossflows on the Discharge Coefficient of Film Cooling Holes With Varying Angles of Inclination and Orientation

Internal Bearing Chamber Wall Heat Transfer as a Function of Operating Conditions and Chamber Geometry

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