FIELD: machine building.
SUBSTANCE: blade operating in the turbine fluid flow comprises thin-wall blade aerodynamic body extending radially with leading and trailing edges space apart in axis and radially outward shroud. Blade body wall includes outer and inner shells. Blade body wall defines the body inside to coolant passage. Blade body leading edge wall inner shell is provided with the spacer stressed radially.
EFFECT: decreased strains not affecting the blade cooling and aerodynamics.
18 cl, 2 dwg
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