# Numerical investigation of differential speed operation of two impellers of contra-rotating axial-flow fan

> Research article (Advances in Mechanical Engineering, 2017) · cited 10× · AI/ML

**Wikidata**: [openalex:W2766368847](https://www.wikidata.org/wiki/openalex:W2766368847)  
**Source**: https://4ort.xyz/entity/numerical-investigation-of-differential-speed-operation-of-two-impellers-of-contra-rotating-axial-flow-fan