Heat transfer enhancement, intensification and optimisation in heat exchanger network retrofit and operation

JJ Klemeš, QW Wang, PS Varbanov, M Zeng… - … and Sustainable Energy …, 2020 - Elsevier
The improvement of heat recovery in the industry has traditionally been approached from
two different viewpoints–Process Intensification and Process Integration. Many of 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 …

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 …

New analysis method to reduce the industrial energy requirements by heat-exchanger network retrofit: Part 1–Concepts

JC Bonhivers, B Srinivasan, PR Stuart - Applied Thermal Engineering, 2017 - Elsevier
Energy savings in existing plants usually have positive economic and environmental
impacts. Mathematical approaches to heat-exchanger network (HEN) retrofit are complex …

Heat exchanger networks retrofit with considering pressure drop by coupling genetic algorithm with LP (linear programming) and ILP (integer linear programming) …

H Soltani, S Shafiei - Energy, 2011 - Elsevier
This research is trying to develop a new procedure for retrofit of HENs including pressure
drop using genetic algorithm (GA) coupled with linear programming (LP) and integer linear …

Review of metaheuristics applied to heat exchanger network design

D Toimil, A Gómez - International Transactions in Operational …, 2017 - Wiley Online Library
Heat exchanger networks (HENs) are a useful method of reducing the energy costs and
environmental impact of industrial processes. Therefore, many papers focusing on solving …

Linking pinch analysis and bridge analysis to save energy by heat-exchanger network retrofit

JC Bonhivers, A Moussavi, A Alva-Argaez… - Applied Thermal …, 2016 - Elsevier
Reduction of energy requirements in the process industries results in increased profitability
and better environmental performance. Methods for heat exchanger network (HEN) retrofit …

Comparison between pinch analysis and bridge analysis to retrofit the heat exchanger network of a kraft pulp mill

JC Bonhivers, E Svensson, T Berntsson… - Applied thermal …, 2014 - Elsevier
Pinch analysis is based on the hot, cold and grand composite curves and is the most
commonly-used approach to identify strategies for reducing energy consumption by heat …

Improved heat exchanger network retrofitting using exchanger reassignment strategies and multi-objective optimization

BK Sreepathi, GP Rangaiah - Energy, 2014 - Elsevier
HEN (heat exchanger network) retrofitting is useful to reduce energy consumption in the
existing process industries. In this study, several ERS (exchanger reassignment strategies) …

Retrofit of heat exchanger networks without topology modifications and additional heat transfer area

MO Akpomiemie, R Smith - Applied energy, 2015 - Elsevier
Numerous design methods for the retrofit of heat exchanger networks have been proposed
over the years, with most depending greatly on topology modification and additional heat …