COOLED WALL OF TURBINE COMPONENT AND COOLING METHOD OF THIS WALL

摘要

The present invention relates to a cooled wall of a turbine component comprising a first layer of channels for a coolant arranged along a side of the wall facing to a flow of hot gas, said first layer of channels having a serpentine shape, each channel of said first layer having an inlet and an outlet; a second layer of channels for the coolant disposed further from the flow of hot gas than said first layer, each channel of said second layer having an inlet and an outlet, said outlet of each of said channels of said first layer being in fluid communication with corresponding inlet of associated channel of said second layer creating a bend for changing a direction of the coolant leaving said channel of said first layer when entering the channel of said second layer.