# Tunnel fire smoke control based on the PID method: A numerical study

> Research article (Tunnelling and Underground Space Technology, 2022) · cited 27× · AI/ML

**Wikidata**: [openalex:W4220881053](https://www.wikidata.org/wiki/openalex:W4220881053)  
**Source**: https://4ort.xyz/entity/tunnel-fire-smoke-control-based-on-the-pid-method-a-numerical-study