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\begin{document}

\title{Optimal operation of heat exchanger networks through energy flow
redistribution}



\author[1]{Karthika Mohanan}%
\author[1]{Sujit Jogwar}%
\affil[1]{Indian Institute of Technology Bombay}%


\vspace{-1em}



  
  \date{May 25, 2024}


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\begin{abstract}
This paper presents a novel energy flow redistribution methodology to
achieve optimal operation of heat exchanger networks (HENs). The
proposed method aims to manipulate the propagation path of a disturbance
through the network to reduce its impact on utility consumption.
Specifically, an optimization problem is formulated to generate new duty
targets for heat exchangers of the network when a disturbance is
encountered. Subsequently, a feedback control system is designed to
track these targets by manipulating bypasses around the process heat
exchangers. The effectiveness of the proposed framework is illustrated
with the help of three benchmark examples. The proposed approach can
handle disturbances in inlet as well as target temperature, inlet flow
and heat transfer coefficient of individual heat exchangers.%
\end{abstract}%



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