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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

Design of Ceramic Gas Turbine Components

G. Stürmer, M. Fundus, A. Schulz, S. Wittig
Proc. ASME. GT1990, Volume 2: Aircraft Engine; Marine; Microturbines and Small Turbomachinery, V002T04A002, June 11–14, 1990
Paper No: 90-GT-048
DOI: https://doi.org/10.1115/90-GT-048
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Topics: Ceramics, Design, Gas turbines, Finite element analysis, Industrial ceramics, Combustion chambers, Fracture (Materials), Fracture (Process), Probability, Reliability
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

Principles of the ITS Ceramic Research Combustor Design: Segmented Flame Tube and Staged Combustion

A. Pfeiffer, A. Schulz, S. Wittig
Proc. ASME. GT1991, Volume 5: Manufacturing Materials and Metallurgy; Ceramics; Structures and Dynamics; Controls, Diagnostics and Instrumentation; Education; IGTI Scholar Award; General, V005T18A001, June 3–6, 1991
Paper No: 91-GT-063
DOI: https://doi.org/10.1115/91-GT-063
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Topics: Ceramics, Combustion, Combustion chambers, Design, Flames, Fuels, Industrial ceramics, Durability, Emissions, Engines
Proceedings Papers

Life Time Prediction for Ceramic Gas Turbine Components

G. Stürmer, A. Schulz, S. Wittig
Proc. ASME. GT1991, Volume 2: Aircraft Engine; Marine; Microturbines and Small Turbomachinery, V002T04A001, June 3–6, 1991
Paper No: 91-GT-096
DOI: https://doi.org/10.1115/91-GT-096
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Topics: Ceramics, Gas turbines, Failure, Fracture (Materials), Industrial ceramics, Probability, Stress, Combustion chambers, Computers, Event history analysis
Proceedings Papers

Film Cooling Effectiveness and Heat Transfer Coefficients for Slot Injection at High Blowing Ratios

G. Bittlinger, A. Schulz, S. Wittig
Proc. ASME. GT1994, Volume 4: Heat Transfer; Electric Power; Industrial and Cogeneration, V004T09A032, June 13–16, 1994
Paper No: 94-GT-182
DOI: https://doi.org/10.1115/94-GT-182
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Topics: Film cooling, Heat transfer coefficients, Heat transfer, Databases, Combustion chambers, Computer simulation, Flow (Dynamics), Temperature profiles, Testing, Wall temperature
Proceedings Papers

Comparison of Calculated and Measured Heat Transfer Coefficients for Transonic and Supersonic Boundary-Layer Flows

C. Hürst, A. Schulz, S. Wittig
Proc. ASME. GT1994, Volume 4: Heat Transfer; Electric Power; Industrial and Cogeneration, V004T09A025, June 13–16, 1994
Paper No: 94-GT-173
DOI: https://doi.org/10.1115/94-GT-173
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Topics: Boundary layers, Flow (Dynamics), Heat transfer coefficients, Nozzles, Heat transfer, Reynolds number, Turbulence, Boundary-value problems, Compressibility, Coolants
Proceedings Papers

Mechanisms of Coke Formation in Gas Turbine Combustion Chambers

M. Brandauer, A. Schulz, S. Wittig
Proc. ASME. GT1995, Volume 3: Coal, Biomass and Alternative Fuels; Combustion and Fuels; Oil and Gas Applications; Cycle Innovations, V003T06A005, June 5–8, 1995
Paper No: 95-GT-049
DOI: https://doi.org/10.1115/95-GT-049
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Topics: Coke, Combustion chambers, Gas turbines, Fuels, Drops, Chemical reactions, Emissions, Flames, Nitrogen oxides, Oxygen
Proceedings Papers

Transonic Film-Cooling Investigations: Effects of Hole Shapes and Orientations

S. Wittig, A. Schulz, M. Gritsch, K. A. Thole
Proc. ASME. GT1996, Volume 4: Heat Transfer; Electric Power; Industrial and Cogeneration, V004T09A026, June 10–13, 1996
Paper No: 96-GT-222
DOI: https://doi.org/10.1115/96-GT-222
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Topics: Film cooling, Shapes, Coolants, Design, Discharge coefficient, Fluids, Heat transfer coefficients, Mach number, Momentum, Rotation
Proceedings Papers

Flowfield Measurements for Film-Cooling Holes With Expanded Exits

K. Thole, M. Gritsch, A. Schulz, S. Wittig
Proc. ASME. GT1996, Volume 4: Heat Transfer; Electric Power; Industrial and Cogeneration, V004T09A010, June 10–13, 1996
Paper No: 96-GT-174
DOI: https://doi.org/10.1115/96-GT-174
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Topics: Film cooling, Cooling, Turbulence, Geometry, Mach number, Blades, Coolants, Density, Gas turbines, Shear (Mechanics)
Proceedings Papers

The Path to Predicting Bypass Transition

R. E. Mayle, A. Schulz
Proc. ASME. GT1996, Volume 1: Turbomachinery, V001T01A065, June 10–13, 1996
Paper No: 96-GT-199
DOI: https://doi.org/10.1115/96-GT-199
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Topics: Boundary layers, Computers, Energy dissipation, Fluctuations (Physics), Kinetic energy, Turbulence
Proceedings Papers

Evaluation of a New Design Concept for a Ceramic Flame Tube Under Engine Conditions

S. Münz, A. Schulz, S. Wittig
Proc. ASME. GT1996, Volume 2: Aircraft Engine; Marine; Microturbines and Small Turbomachinery, V002T04A013, June 10–13, 1996
Paper No: 96-GT-498
DOI: https://doi.org/10.1115/96-GT-498
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Topics: Ceramics, Design, Engines, Flames, Gas turbines, Combustion chambers, Stress, Failure, Image segmentation, Thermal insulation
Proceedings Papers

A New Approach for a Low-Cooled Ceramic Nozzle Vane

C. Gutmann, A. Schulz, S. Wittig
Proc. ASME. GT1996, Volume 5: Manufacturing Materials and Metallurgy; Ceramics; Structures and Dynamics; Controls, Diagnostics and Instrumentation; Education; General, V005T13A001, June 10–13, 1996
Paper No: 96-GT-232
DOI: https://doi.org/10.1115/96-GT-232
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Topics: Ceramics, Nozzles, Stress, Design, Optimization, Failure, Gas flow, Gas turbines, Geometry, Industrial ceramics
Proceedings Papers

Film-Cooling From Holes With Expanded Exits: A Comparison of Computational Results With Experiments

D. Giebert, M. Gritsch, A. Schulz, S. Wittig
Proc. ASME. GT1997, Volume 3: Heat Transfer; Electric Power; Industrial and Cogeneration, V003T09A028, June 2–5, 1997
Paper No: 97-GT-163
DOI: https://doi.org/10.1115/97-GT-163
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Topics: Film cooling, Density, Turbulence, Flow (Dynamics), Shear (Mechanics)
Proceedings Papers

Adiabatic Wall Effectiveness Measurements of Film-Cooling Holes With Expanded Exits

M. Gritsch, A. Schulz, S. Wittig
Proc. ASME. GT1997, Volume 3: Heat Transfer; Electric Power; Industrial and Cogeneration, V003T09A029, June 2–5, 1997
Paper No: 97-GT-164
DOI: https://doi.org/10.1115/97-GT-164
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Topics: Film cooling, Coolants, Mach number, Cooling, Diffusers, Flow (Dynamics), Temperature
Proceedings Papers

Discharge Coefficient Measurements of Film-Cooling Holes With Expanded Exits

M. Gritsch, A. Schulz, S. Wittig
Proc. ASME. GT1997, Volume 3: Heat Transfer; Electric Power; Industrial and Cogeneration, V003T09A030, June 2–5, 1997
Paper No: 97-GT-165
DOI: https://doi.org/10.1115/97-GT-165
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Topics: Discharge coefficient, Film cooling, Flow (Dynamics), Pressure, Mach number, Diffusers
Proceedings Papers

Mathematical Model Describing the Coupled Heat Transfer in Effusion Cooled Combustor Walls

M. Martiny, A. Schulz, S. Wittig
Proc. ASME. GT1997, Volume 3: Heat Transfer; Electric Power; Industrial and Cogeneration, V003T09A065, June 2–5, 1997
Paper No: 97-GT-329
DOI: https://doi.org/10.1115/97-GT-329
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Topics: Combustion chambers, Heat transfer, Temperature, Coolants, Heat, Film cooling
Proceedings Papers

An Overall Correlation of Film Cooling Effectiveness From One Row of Holes

S. Baldauf, A. Schulz, S. Wittig, Michael Scheurlen
Proc. ASME. GT1997, Volume 3: Heat Transfer; Electric Power; Industrial and Cogeneration, V003T09A010, June 2–5, 1997
Paper No: 97-GT-079
DOI: https://doi.org/10.1115/97-GT-079
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Topics: Film cooling, Flow (Dynamics), Cooling, Damping, Errors, Film flow, Flat plates
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

Influence of a Mixing-Jet on Film Cooling

M. Martiny, A. Schulz, S. Wittig, M. Dilzer
Proc. ASME. GT1997, Volume 1: Aircraft Engine; Marine; Turbomachinery; Microturbines and Small Turbomachinery, V001T03A043, June 2–5, 1997
Paper No: 97-GT-247
DOI: https://doi.org/10.1115/97-GT-247
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Topics: Film cooling, Cooling, Experimental analysis, Flow (Dynamics), Flow visualization, Heat transfer coefficients, Momentum, Thermography