WALL OF TURBO MACHINE AND TURBO MACHINE

摘要

The wall of a turbo machine having a cascade of blades comprises a first platform facing a first channel between the blades in the cascade of blades, and a second platform facing a second channel between adjoining cascade of blades on the upstream side and the downstream side and having a circumferential outline having a distribution of radial position. With such an arrangement, loss due to disturbance of flow through the gap of axially adjoining walls can be reduced.