Patent Number: 8,720,257

Title: Methods, systems and apparatus for detecting material defects in combustors of combustion turbine engines

Abstract: A method for detecting defects in a combustion duct in a combustion system of a turbine engine while the turbine engine operates, wherein the combustion duct comprises an inner surface, which, during operation, is exposed to the hot-gas flowpath, the method comprising the steps of: providing a first electrode that is electrically connected to the combustion duct; providing a second electrode that resides within the hot-gas flowpath; applying a voltage across the first electrode and the second electrode; and detecting current flowing between the first electrode and the second electrode.

Inventors: Krull; Anthony Wayne (Anderson, SC), Ghosh; Dullal (Orissa, IN), Dugar; Saurav (West Bengal, IN), Shinde; Tejas Bharat (Maharashtra, IN), Kraemer; Gilbert Otto (Greer, SC)

Assignee: General Electric Company

International Classification: G01M 15/14 (20060101)

Expiration Date: 5/13/12018