КОНТУРЫ ОХЛАЖДЕНИЯ ЛОПАТКИ ГАЗОВОЙ ТУРБИНЫ

摘要

The blade has a central cooling circuit (A) with a central cavity (34) between a lower surface cavity (32) and an upper surface cavity (30). The circuit has air admission openings to supply respective upper and lower surfaces with cooling air. The circuit has respective passages allowing communication of upper radial ends of upper and central cavities, and upper radial ends of lower and central cavities.