FIELD: MECHANICAL ENGINEERING; TURBINES.
SUBSTANCE: proposed turbine blade has profiled part with root end and end face end, at least one cooling channel with round cross section made in said profiled part from root end to end face end and group of turbulence activating devices in at least one said cooling channel. Said groups of turbulence activating devices contain groups of pairs of leveled activation means. Each of said group of turbulence activating devices in each said pair has arc-shaped form with arc coverage not less than 180°.
EFFECT: improved cooling.
18 cl, 7 dwg
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