Cooling fin system for a cooling channel and turbine blade

摘要

The system has a cooling rib (8) arranged on a blade inner side (3) of a cooling passage protruding from the blade inner side such that cooling fluid (18) flowing in the cooling passage flows transversely onto the cooling rib. The cooling rib has a downstream rear side (12), which runs profiled towards the blade inner side such that the cooling fluid flow passes the rear side free of breakaway during operation of a turbine blade. The cooling rib includes a front side (9), which faces away from the rear side and projects perpendicular from the latter blade inner side.