Patent ID: 6983605
Filing Date: 2006-01-10
Classification: F23L,F23R

Abstract:
1. A method for operating a gas turbine combustor of a gas turbine engine using a water delivery system, the combustor including a plurality of domes, the water delivery system connected to the gas turbine engine, said method comprising the steps of: supplying at least one combustor dome with a fuel/air mixture equivalence ratio less than one; and separately supplying at least one of water and steam into the gas turbine engine with the water delivery system such that at least one of atomized water and steam is separately injected into the combustor through an orifice in a fuel/air premixer centerbody such that the fuel/air mixture and the at least one of atomized water and steam are only mixed downstream from the centerbody wherein the orifice extends through the centerbody substantially coincident with a longitudinal axis of the centerbody.