| 摘要 |
<p>The flow channel section (12) has a guide vane ring comprising a number of guide vanes (10) arranged adjacent to each other in circumferential direction. Shielding elements (22) are arranged on platforms (16) for creating the flow channel section while creating a gap, and impingement-cooling openings (24) are provided in the platform. A flow channel is delimited on the platform side by the shielding elements, where each of the shielding elements is provided between two airfoils (14). The airfoils project into the flow channel.</p> |
