Fuel injection nozzle for gas turbine combustor, gas turbine combustor, and gas turbine

摘要

A fuel injection nozzle has a cylindrical nozzle body having a cavity where fuel passes through. A plurality of hollow spokes, each having an aerofoil cross section, are provided around the nozzle body. Each hollow spoke has four fuel injection holes in total on both side surfaces, i.e., two fuel injection holes on each side surface, to inject the fuel, with a distance from the surface of the nozzle body. The inside of each hollow spoke is hollow. The hollow spoke injects the fuel sent to the hollow nozzle body, from the fuel injection holes through the inside of the hollow spoke.