Axial-flow fluid machine blade

摘要

An axial-flow fluid machine blade which achieves reduction of the frictional loss of the blade and provision of a high surge-resistant property is provided. An axial-flow fluid machine blade 60 used for an axial-flow fluid machine includes a leading edge 61 projecting at the tip portion and the root portion thereof toward the upstream side and a trailing edge 62 projecting at the tip portion, the mid-span portion and the root portion thereof toward the downstream side.