A Novel Micro Circuit Based Film Cooling Design for a Ceramic Combustor Liner

The Integrated Gasification Combined Cycle (IGCC) power plants are attractive alternatives to current coal-pulverized coal fired plants in large-scale stationary applications. However, in order to take full advantage of their potential, innovative high temperature material technologies need to be developed for critical hot section components, such as, combustors, HP nozzle, and HP turbine. This proposal addresses some of the critical issues associated with integrally woven SiC/SiC CMC based combustor liner and associated cooling. Thus, the proposed configuration offers two coupled innovations: 1. The use of a high temperature CMC, and 2. Unique approach to mitigate thermal gradients using a novel film, back side, and impingement cooling approach through micro channels for a high temperature combustor liner. Commercial Applications and Other Bene