Turbine vane equipped with insert support

A turbine vane assembly comprising:

• a turbine vane having a turbine vane airfoil extending from a platform to an end wall and having an airfoil-shaped cross section having a leading edge, a trailing edge, and a pressure side and a suction side that extend from the leading edge to the trailing edge, wherein a plurality of cavities defined by a plurality of ribs extending from the pressure side to the suction side is formed in the turbine vane airfoil, at least one of the cavities is provided with a plurality of insert supports protruding inward from an inner surface of the turbine vane airfoil, the insert supports are arranged in a circumferential direction of the cavity and arranged in a plurality of rows arranged in a radial direction;
• and
• a pipe-type insert inserted in the cavity, supported by the insert supports, and provided with a plurality of through holes formed in a surface thereof.