COMBUSTOR NOZZLE

A combustor nozzle (1120) is provided. The combustor nozzle (1120) comprises a nozzle module, the nozzle module (1400) comprises a central tube (1420) having an air flow path (1423), through which air flows from a front-to-rear direction, and an opening hole at a rear end thereof, a shroud (1430) into which at least a part of the central tube (1420) is inserted, and having an air inlet at a front end thereof, wherein a mixing flow path (1433) is formed between the shroud (1430) and the central tube (1420) so that the air and injected fuel flow therethrough, and a plurality of cooling channels (1450), each of the plurality of cooling channels (1450) extending rearward from an inlet communicating with the air flow path (1423) to an outlet communicating with the mixing flow path (1433) while passing through a sidewall portion of the central tube (1420).