Typical composite curves … . The Multi-stream plate-fin heat exchanger . Design Methodology for Multistream Plate-Fin Heat Exchangers in Heat Exchanger . design and optimization of the plate-fin multi-stream heat exchangers used in (up) and composite curve (down) of streams in multi-stream heat exchanger; . sections are determined by the composite curves in the Pinch technology. The requirements of . the design of multistream plate-fi n heat exchangers in process . A mathematical model of plate-fin heat exchanger design is proposed to . several sections or intervals by composite curves and analyse each interval in detail . 28 thg 5, 2019 - The design of plain-fin heat exchanger technology extended to . feature some practical assumptions such as the use of Composite Curves to . design and optimization of the plate-fin multi-stream heat exchangers used in (up) and composite curve (down) of streams in multi-stream heat exchanger; . A plate-ﬁn heat exchanger is then designed for each section by maximising the . To achieve optimum pressure drops, a modi- known as composite curves. They applied the design procedure of two stream plate-fin heat exchangers (PFHE) of 18 C is used to construct the composite curves and enthalpy intervals. Composite curves, 779 Controlling resistance, 110 Convection. . 536 offset strip fins, 516 plain flat fins on a tube array, 520 plate heat exchanger surfaces.