| 摘要 |
An unshrouded rotor blade 24 comprising an aerofoil 28 , said aerofoil 28 having a leading edge 34 , a trailing edge 36 , a pressure surface 30 and a suction surface 32 , there being provided at a radially outer extremity of the aerofoil 28 a gutter 40 which is wider than the aerofoil 28 adjacent the trailing edge 36 thereof, wherein at least a part of the gutter 40 is offset towards the aerofoil pressure surface 30.
|
