| 摘要 |
A gas turbine engine rotor arrangement comprising at least one blade and a disc, the blade and the disc are secured together by a cooperating shank of the blade and recess of the disc. The shank comprises a bottom surface facing a base surface of the recess, the bottom surface having axially extending peripheral edges. The bottom surface is shaped so that when in use, liquid in a cavity between the bottom surface and base surface is guided by the bottom surface. The surface may be is preferably dished or channelled to direct liquid flow away from the axial edges. The surface may be sloped in the axial direction so the front edge is further from the axis than the rear edge. |
