| 摘要 |
<p>An aerofoil (39) for a gas turbine engine (10) includes one or more internal cooling passage (74,76) for receiving a flow of cooling fluid, and means (84,86,88,90) for inducing at least two vortices in cooling fluid flowing through each cooling passage. Fluid within the vortices has a radially outwards, screw-type motion. The two vortices produce effective cooling of the aerofoil, which may be an aerofoil of a turbine blade. <IMAGE></p> |
