FIELD: manufacture of turbines. SUBSTANCE: profile of working blade of axial-flow microturbine is determined by arcs of circles in central portion conjugated by straight lines with arc of circles at ends of profile. Radius of concave side of profile is equal to 0.5-1.0 of width of profile and ratio of radius of concave side of profile to radius of convex side of profile is 2.5 to 6.3. EFFECT: enhanced reliability. 2 dwg
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