FIELD: machine building.
SUBSTANCE: turbine blade comprises main case of blade and heat-shielding element installed at the distance from external surface of blade in zone of its front edge. Blade has multiple side cooling channels that branch off from main cooling channel arranged inside the main case of blade. Side cooling channels end in zone of front edge of the main case of blade in outlet holes. Heat-shielding element has multiple outlet channels passing from the main cooling channel to external surface of heat-shielding element. Other invention of group relates to thermal turbine machine, comprising multiple above-specified turbine blades.
EFFECT: efficient thermal protection of zone of front edge of turbine blade against high temperatures.
12 cl, 6 dwg
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