This learning track covers the comprehensive study of two-phase flow and heat transfer, starting from the fundamental concepts to advanced analysis techniques. It begins with an exploration of different flow regimes in two-phase flow, such as homogeneous and separated flow, and the use of various models like the dlux model and the separated flow model. The track then moves on to a detailed understanding of two-phase flow models, including dispersed flow models, slug flow model, anular flow models, droplet annular and stratified flow models, and two-phase flow measurement techniques. The learning track further delves into advanced measurement and analysis techniques, such as the use of multi-sensors for flow measurement and signal analysis, modern techniques for signal analysis, and the two-fluid model and population balance methodology for predicting dispersed two-phase flow. Lastly, the track provides a molecular perspective of two-phase flow and heat transfer, explaining the interactions between molecules and how these influence the flow and heat transfer in a system.