![]() ![]() ![]() Model simulators such as HYSYS are extremely useful for engineers to quickly estimate capital costs and utility requirements. Furthermore, the surface area of the heat exchanger is proportional to the amount of heat that can be transferred and is the most indicative cost component of a heat exchanger Wilcox, Therefore, all of the commercial simulators include models for heaters, coolers, heat exchangers, fired heaters,and air coolers Towler and Sinnott, Typically, the only inputs necessary for heat exchanger models to converge are properly specified inlet streams flow rate, temperature, pressure, compositionthe pressure drop of flow pathways, and the outlet temperatures or the duty. Process streams commonly interact through heat exchangers in order to save money on heating and cooling utilities. Heat exchangers are necessary process units that are part of any detailed process flow diagram.
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