| 摘要 |
A platform cooling device for a blade of a turbomachine is presented. A platform cooling device (10) includes a first portion (11) to be positioned at a platform (9) of the blade (1), a second portion (12) arranged at an angle to the first portion (11), to be positioned at a root portion (3) of the blade (1), an inlet (18) for a cooling fluid (27) on the second portion (12), and a channel (28) for directing the cooling fluid (27) from the inlet (18) to a plurality of impingement holes (20) for releasing the cooling fluid (27) at the first portion (11). |
