Heat Integration (Part 3)

9 dezembro 2019, 09:30 • Pedro Castro

Part 3 deals with the minimisation of the total investment cost of the heat exchanger network. The problem can be formulated as a non-convex NLP that is built from a superstructure that includes all heat-exchanger possibilities between any pair of hot and cold streams.

Implementation of the model in GAMS, followed by its solution for the complete network and the regions above and below the pinch. The results are interesting in the sense that the option with the fewest heat exchangers is not the one leading to the lowest total cost.