Heat exchangers, Notations, Heat flux exchanged, Heat exchange coefficient U, Method of the Number of Transfer Units, Heat exchanger effectiveness, Relation between epsilon and NTU, Heat exchanger pinch, Heat exchanger in Thermoptim, Exchange process, Building a heat exchanger, Heat exchanger screen, Heat exchanger degrees of freedom, settings, Steam power plant boiler, Heat exchange in a boiler, Diagram of the steam power plant with boiler, Superheater, Vaporizer, Economizer, Air heater, Synoptic view of the steam power plant with boiler