SEALING STRUCTURE AND ROTATING MACHINE EQUIPPED WITH SAME

摘要

The sealing structure (7) is provided with fins (40) that protrude from the outer circumferential surface of a rotor (5) along the circumferential direction (R), and stationary blades (30) on which an abradable film (60) is formed on the inner circumferential surface (50a) of the inner shroud (50) so as to face the fins (40), and depressions and protrusions are formed on the inner circumferential surface (50a) of the inner shroud (50) and the abradable film (60) is formed conforming to the depressions and protrusions.