BLADE OF GAS TURBINE WITH INNER CYCLONE COOLING OF FRONT EDGE

摘要

A blade of gas turbine with inner cyclone cooling of front edge includes one tangent swirler with distribution channel, channel for supply of additional air, cooling channel. Distribution channel at inlet to swirler is made inclined to axis of channel by angle γ=30...35°. Channel for supply of additional air to bottom section of swirler forms with axis of blade angle ψ=40...50°. Diameter of channel for supply of additional air is chosen from relation:.