# Investigations of a new free piston expander engine cycle

> Research article (Energy, 2016) · cited 49× · AI/ML

**Wikidata**: [openalex:W2338923649](https://www.wikidata.org/wiki/openalex:W2338923649)  
**Source**: https://4ort.xyz/entity/investigations-of-a-new-free-piston-expander-engine-cycle