# Novel slotted groove with self-recirculation improves transonic compressor stability

Researchers introduced a slotted circumferential groove design with self-recirculation to enhance stability in a transonic compressor rotor. The new structure helps delay flow instability and improve aerodynamic performance, offering a promising approach for more efficient jet engines.

**Importance:** 3/5

## Sources

### Science
- [Nature](https://www.nature.com/articles/s41598-026-66525-x) — 2026-08-12