| 摘要 |
PROBLEM TO BE SOLVED: To provide gas turbine shroud structure made of a ceramic capable of simplifying the constitution of a segment, easily manufacturing, reducing corners, enhancing reliability of brittleness, and reducing the number of component items and the man-hour of assembly. SOLUTION: A cylindrical shroud is constituted of a plurality of circular arc plate-shaped segments 8 divided in the circumferential direction. Both edges in the main gas direction of each segment 8 are supported with a supporting member 10 fixed to the inner circumference side of a gas turbine casing. Each segment 8 is constituted of ceramic. The segment 8 is constituted with ceramic so as to have the hollow cross section of a square shape, a trapezoid, an I shape or the like. By this constitution, the segment 8 is made long, and the number of component items are reduced. |
