# Non-intrusive classification of gas-liquid flow regimes in an S-shaped pipeline riser using a Doppler ultrasonic sensor and deep neural networks

> Research article (Chemical Engineering Journal, 2020) · cited 67× · AI/ML

**Wikidata**: [openalex:W3044042059](https://www.wikidata.org/wiki/openalex:W3044042059)  
**Source**: https://4ort.xyz/entity/non-intrusive-classification-of-gas-liquid-flow-regimes-in-an-s-shaped-pipeline-riser-using-a-doppler-ultrasonic-sensor-