Heat exchanger network retrofit with heat exchanger and material type selection: A review and a novel method

B Wang, JJ Klemeš, N Li, M Zeng, PS Varbanov… - … and Sustainable Energy …, 2021 - Elsevier
Heat Integration with heat exchanger network (HEN) is a widely used way to save energy
and improve efficiency. Varied types of heat exchangers and materials would influence the …

Heat exchanger network retrofit by a shifted retrofit thermodynamic grid diagram-based model and a two-stage approach

B Wang, JJ Klemeš, PS Varbanov, HH Chin, QW Wang… - Energy, 2020 - Elsevier
Graphical tools are useful in the heat exchanger network (HEN) retrofit to maximise energy
savings. The disadvantage of heuristic rules, which are usually applied to make retrofit …

Heat exchanger network retrofit supported by extended Grid Diagram and heat path development

JY Yong, PS Varbanov, JJ Klemeš - Applied Thermal Engineering, 2015 - Elsevier
Heat exchanger network (HEN) retrofit has been an important task in process design. Many
approaches have been presented. However, this important activity can still benefit from an …

A target-evaluation method for heat exchanger network optimisation with heat transfer enhancement

N Li, J Wang, JJ Klemeš, Q Wang, PS Varbanov… - Energy Conversion and …, 2021 - Elsevier
Energy conservation and efficiency improvement are critical problems for industrial process
systems. Heat exchanger network retrofit has emerged as a powerful tool for energy-saving …

Review of heat exchanger network retrofitting methodologies and their applications

BK Sreepathi, GP Rangaiah - Industrial & engineering chemistry …, 2014 - ACS Publications
Heat exchanger network (HEN) retrofitting improves heat recovery and thus reduces energy
required in existing plants. This can be achieved by either increasing the heat transfer area …

An automated approach for heat exchanger network retrofit featuring minimal topology modifications

NDK Asante, XX Zhu - Computers & chemical engineering, 1996 - Elsevier
This paper describes a new automated procedure for retrofit heat exchanger network (HEN)
design which aims to minimise modifications to the existing HEN structure. The new …

Application of intensified heat transfer for the retrofit of heat exchanger network

Y Wang, M Pan, I Bulatov, R Smith, JK Kim - Applied Energy, 2012 - Elsevier
A number of design methods have been proposed for the retrofit of heat exchanger networks
(HEN) during the last three decades. Although considerable potential for energy savings can …

Use of advanced composite curves for assessing cost-effective HEN retrofit I: Theory and concepts

R Nordman, T Berntsson - Applied Thermal Engineering, 2009 - Elsevier
This paper presents the theory and concepts of a graphical method for heat exchanger
network (HEN) retrofit that gives new insights about the complexity and possible solutions of …

Optimal heat exchanger network synthesis using particle swarm optimization

AP Silva, MASS Ravagnani, EC Biscaia… - Optimization and …, 2010 - Springer
Heat exchanger network (HEN) synthesis has been a well-studied subject over the past
decades. Many studies and methodologies were proposed to make possible the energy …

Heat exchanger network retrofit considering pressure drop and heat‐transfer enhancement

XR Nie, XX Zhu - AIChE Journal, 1999 - Wiley Online Library
For the heat‐exchanger‐network (HEN) retrofit project to be successful it should satisfy not
only a specified heat‐recovery target but also pressure‐drop constraints. The problem of …