Cooling system and gas turbine engine assembly for controlling cooling air temperature of a gas turbine engine

摘要

A cooling system (100) for a gas turbine engine (10) including a compressor (14), a combustor (16) and a high-pressure turbine (18), coupled together in serial flow arrangement. The cooling system includes a storage tank (110), a working fluid stored within the storage tank, and a manifold (116) coupled to the channel that supplies cooling air to the high pressure turbine. The working fluid is discharged from the manifold into the turbine cooling air supply channel, thereby reducing the temperature of the compressed cooling airflow channeled to the high pressure turbine.