Data set 1 Drift-flux model 1 Drops 1 Errors 1 Flow pressure 1 Friction 1 Genetic algorithms 1 Learning algorithms 1 Machine Learning (ML) 1 Machine learning 1 Machine-learning 1 Mean square error 1 Multilayer neural networks 1 Multilayers perceptrons 1 Neural networks 1 Neural-networks 1 Particle swarm optimization (PSO) 1 Pressure drop 1 Pressure drop prediction 1 Radial basis function networks 1 Sensitivity analysis 1 Two phase flow 1 Two phases flow 1 Two-Phase flow 1 Two-phase frictional pressure drop