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* Corresponding author 1 The University of Manchester Manchester

Abstract : This work presents a methodology for heat exchanger network HEN retrofit, which is applicable to complex industrial revamps, considering existing networks and constraining the number of modifications. The network pinch approach 1 has been modified and extended to apply to the HEN design in which the thermal properties of streams are temperature-dependent. The modified network pinch approach combines structural modifications and cost optimisation in a single step to avoid missing cost-effective design solutions.

Keywords : Heat exchanger network Network pinch approach Mixed-integer non-linear optimisation Retrofit design

Autor: Robin Smith - Megan Jobson - Lu Chen -



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