# Impact of optimized variable rotor speed and active blade twist control on helicopter blade–vortex interaction noise and environmental impact

> Research article (Journal of Fluids and Structures, 2021) · cited 15× · AI/ML

**Wikidata**: [openalex:W3160483787](https://www.wikidata.org/wiki/openalex:W3160483787)  
**Source**: https://4ort.xyz/entity/impact-of-optimized-variable-rotor-speed-and-active-blade-twist-control-on-helicopter-bladevortex-interaction-noise-and-