# Gas-liquid flow regimes identification using non-intrusive Doppler ultrasonic sensor and convolutional recurrent neural networks in an s-shaped riser

> Research article (Digital Chemical Engineering, 2022) · cited 23× · AI/ML

**Wikidata**: [openalex:W4206233557](https://www.wikidata.org/wiki/openalex:W4206233557)  
**Source**: https://4ort.xyz/entity/gas-liquid-flow-regimes-identification-using-non-intrusive-doppler-ultrasonic-sensor-and-convolutional-recurrent-neural-