# Experimental Investigation of the Impact of 3D-Metal-Printed Perforated Leading Edges on Airfoil and Axial Fan Noise

> Research article (AIAA AVIATION 2020 FORUM, 2020) · cited 12× · AI/ML

**Wikidata**: [openalex:W3034849087](https://www.wikidata.org/wiki/openalex:W3034849087)  
**Source**: https://4ort.xyz/entity/experimental-investigation-of-the-impact-of-3d-metal-printed-perforated-leading-edges-on-airfoil-and-axial-fan-noise