Author: Alex Valdes 
Stewards: Jian Gong, and Fengqi You
Heat exchangers are necessary process units that are part of any detailed process flow diagram. Process streams commonly interact through heat exchangers in order to save money on heating and cooling utilities. Furthermore, the surface area of the heat exchanger Therefore, all of the commercial simulators include models for heaters, coolers, heat exchangers, fired heaters,and air coolers . Typically, the only inputs necessary for heat exchanger convergence are properly specified inlet streams (flow rate, temperature, pressure, composition),
- G.P. Towler, R. Sinnott. Chemical Engineering Design: Principles, Practice and Economics of Plant and Process Design. Elsevier, 2012.