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Gas Turbine Blade Cooling.
Gas turbines play an extremely important role in fulfilling a variety of power needs and are mainly used for power generation and propulsion applications. The performance and efficiency of gas turbine engines are to a large extent dependent on turbine rotor inlet temperatures: typically, the hotter...
| Clasificación: | Libro Electrónico |
|---|---|
| Formato: | Electrónico eBook |
| Idioma: | Inglés |
| Publicado: |
SAE International.
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| Temas: | |
| Acceso en línea: | Texto completo |
Tabla de Contenidos:
- Cover
- Table of contents
- Overview
- Introduction
- CHAPTER 1 High Temperature Turbine Design Considerations
- Material Properties
- Manufacturing Processes
- Cooling Techniques
- Cooling Flow
- Cooling Air Temperature
- Mixing Losses
- Aerodynamic Losses
- Mechanical Design
- Mechanical and Thermal Life
- Metallurgical Stability
- Coatings
- Coating Interactions
- Summary
- Nomenclature
- Acknowledgments
- References
- CHAPTER 2 Summary of NASA Aerodynamic and Heat Transfer Studies in Turbine Vanes and Blades
- Aerodynamic Studies
- Cascade Tests
- Coolant Hole Angle Orientation
- Single and Multirow Coolant Ejection
- Full-Film-Cooled Vane
- Varying Primary-to-Coolant Temperature Ratio
- Effect of Ceramic Coating on Vane Efficiency
- Rotating Stage Tests
- Description of Turbines
- Test Results
- Cooling Studies
- Flat-Plate Heat Transfer Investigations
- Cascade and Engine Investigations
- Summary of Major Results
- Current Programs
- Film Cooling
- Endwall Cooling
- Impingement Cooling
- Thermal Barrier Coatings
- References
- Symbols
- Subscripts
- CHAPTER 3 Cooling Modern Aero Engine Turbine Blades and Vanes
- Part I by Arthur Hare
- Extent of Application of Cooling
- Purposes of Cooling
- Degree of Cooling
- Some Effects on Engine Functioning
- Some Effects on Design
- Some Effects on Engine Development
- Effect on Manufacturing Cost
- Summary
- Part II by H.H. Malley
- Turbine Entry Temperature
- Blade Cooling Level
- Material Creep Strength
- Cooling Air Feed System
- Combustion-Chamber Exit Temperature Traverse
- Nozzle Guide Vane Cooling
- Early Standard of Vane
- Vane with "Jet Cooled" Leading Edge
- Vane with "Tube Cooling"
- Turbine Blade Cooling
- "Triple Pass" Cooling
- "Double Pass" Cooling
- "Single Pass" Cooling
- Turbine Blade Problems
- Thermal Fatigue
- Oxidation and Corrosion
- Creep
- Future Trends
- CHAPTER 4 An Investigation of Convective Cooling of Gas Turbine Blades Using Intermittent Cooling Air
- Introduction
- Results of Prior Investigations
- Experimental Results
- Analysis and Correlation
- Conclusions
- Summary
- References
- CHAPTER 5 The Prospects of Liquid Cooling for Turbines
- History of Liquid Cooling
- Possibilities for Turbine Liquid Cooling
- A Critique of Demonstrated Liquid-Cooled Turbines
- Prospects for Turbine Liquid Cooling
- A Case Study: The Cooled Radial Turbine
- Cycle Impact of Turbine Cooling
- Turbine Aerodynamic Design
- Turbine Cooling
- Summary
- References
- Appendix A Cycle Performance Data for Small Gas Turbine Components
- Appendix B Typical Turbine Design Calculations
- Turbine Aerodynamic Design
- Turbine Cooling Design
- Nomenclature
- Subscripts
- CHAPTER 6 Feasibility Demonstration of a Small Fluid-Cooled Turbine at 2300°F
- Aero-Thermodynamic Performance
- Turbine
- Correction Factor Analysis
- Turbine Analysis
- Heat Transfer
- Discussion