FIELD: engine building.
SUBSTANCE: working blade of gas-turbine engine has hollow profile with convex and concave thin walls, between which there is a power rod, cooling intensifiers, to which coolant is supplied, and shank. Power rod is connected with shank. Profile is divided into two parts, of which root part is made integral with shank, and peripheral part is integral with power rod. Cooling intensifiers arranged between the inner walls of the profile and the power rod are made in the form of a vortex matrix. In the peripheral part of the profile the ribs of the vortex matrix are in contact, and in the root part of the profile they are located at a distance from each other.
EFFECT: invention is aimed at improvement of gas turbine engine efficiency and improvement of cooling efficiency of turbine working blades.
3 cl, 3 dwg
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