SEAL STRUCTURE AND ROTATING MACHINE EQUIPPED THEREWITH

摘要

Provided is a seal structure, which includes fins configured to protrude from an outer circumferential surface of a rotor in a circumferential direction, and stator blades having an abradable coating formed on an inner circumferential surface of an inner shroud so as to face the fins. The inner circumferential surface of the inner shroud is formed in an uneven shape, and the abradable coating is formed along the uneven shape.