Severe Slugging Prediction Calculator

Predict Type-1 severe slugging in a downward-inclined pipeline + vertical riser system. Returns the Bøe and Pots dimensionless stability numbers (Π < 1 → severe slugging), critical gas velocity, estimated slug period and per-cycle liquid volume, plus a prioritized mitigation list. Per Bøe 1981, Pots 1987, Taitel 1986.