FIELD: machine building.
SUBSTANCE: proposed invention comprises radial flow compressor diffuser blade with leading edge, trailing edge and invariable-thickness section arranged there between. Radius of curvature of leading edge and that of trailing edge vary over the blade span. Ratio between invariable-thickness section length and blade chord length makes at least 50% and does not vary over the blade span.
EFFECT: higher efficiency.
20 cl, 8 dwg
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