Heat Transfer in Gas Turbines

Chapter 1 Heat transfer issues in gas turbine systems Introduction Combustor wall cooling Heat loads on combustor walls Guide vane and turbine blade cooling Recuperation and regeneration Intercooling Concluding remarks. Chapter 2 Combustion chamber wall cooling: the example of multihole devices Introduction Techniques for combustion wall cooling Present experimental facilities Results Conclusion. Chapter 3 Conjugate heat transfer: an advanced computational method for the cooling design of modern gas turbine blades and vanes Introduction Conventional cooling design New approach: Conjugate Calculation Validation Application for advanced cooling configuration Conclusions. Chapter 4 Enhanced internal cooling of gas turbine airfoils Introduction Stationary straight channels with rib-roughened walls Stationary multipass channels with smooth and roughened walls Rotating straight and multipass channels with smooth walls Rotating straight and multipass channels with roughened walls Channels with pin fins Channels with ejection holes Concluding remarks. Chapter 5 Computations of internal and film cooling Introduction In overview on CFD Simulations of internal cooling Simulations of film cooling Final remarks. Chapter 6 Heat transfer predictions of stator/rotor blades Introduction Turbulence models Numerical models Computations Summary. Chapter 7 Recuperators and regenerators in gas turbine systems Introduction Some concepts of enhancing the cycle efficiency using heat exchangers Areas of application Recuperator design Basic heat exchanger types Materials Computational Fluid Dynamics (CFD) Final remarks. Chapter 8 Experimental heat transfer in stationary rib-roughened rectangular channels Introduction Rectangular channels roughened with 90 degree rib Rectangular channels roughened with angled rib Effects of rib profile and spacing on heat transfer and friction in a rectangular channel Channels roughened with ribs on all walls Heat transfer coefficient on the rib surface. Chapter 9 Experimental heat transfer in roughened leading- and trailing-edge and in spanwise rotating channels Introduction Trailing-edge cooling cavities Leading-edge cooling cavities Rotating geometries.