COMBUSTOR OF GAS TURBINE

摘要

PROBLEM TO BE SOLVED: To prevent generation of combustion vibration in a gas turbine combustor having a pre-mixing pipe. SOLUTION: In this combustor 1 of the gas turbine, one or more pre-mixing pipes 20 for pre-mixing fuel and air and sending the same are connected to a combustion chamber 5 surrounded with a combustor liner 4. A combustion nozzle 21 disposed in the pre-mixing pipe 20 is provided with two or more fuel jet orifices 21a, 21b bored in different axial positions.