Minimisation of a heat exchanger networks' cost over its lifetime

A Nemet, JJ Klemeš, Z Kravanja - Energy, 2012 - Elsevier
The optimal design of heat exchanger networks (HENs) has a great influence on the
profitability of a plant. The optimisation is based on trade-offs between investment and …

Optimising entire lifetime economy of heat exchanger networks

A Nemet, JJ Klemeš, Z Kravanja - Energy, 2013 - Elsevier
This contribution presents an optimisation methodology for a Heat Exchanger Network
(HEN) design over its entire lifespan. Consideration of fluctuating energy prices is essential …

A new methodology for simultaneous optimization of capital and operating cost targets in heat exchanger network design

HK Shethna, JM Jezowski, FJL Castillo - Applied Thermal Engineering, 2000 - Elsevier
A new approach has been developed for establishing cost-optimal targets for a heat
exchanger network (HEN). We formulate a mixed-integer-linear-programming (MILP) …

Multiple utilities targeting for heat exchanger networks

UV Shenoy, A Sinha, S Bandyopadhyay - Chemical Engineering Research …, 1998 - Elsevier
A targeting methodology is proposed to determine the optimum loads for multiple utilities
considering the cost tradeoffs in energy and capital for heat exchanger networks (HENs) …

Design of flexible heat exchanger network for multi-period operation

W Verheyen, N Zhang - Chemical engineering science, 2006 - Elsevier
Heat exchanger networks (HENs) increase heat recovery from industrial processes by
matching hot and cold streams to exchange heat and reducing utility consumption. The …

Thermal analysis and new insights to support decision making in retrofit and relaxation of heat exchanger networks

A Piacentino - Applied Thermal Engineering, 2011 - Elsevier
Pinch analysis offers a rational framework for identifying energy saving targets and
designing efficient heat recovery networks, especially in process industry. Several scientists …

Cost optimum heat exchanger networks—1. Minimum energy and capital using simple models for capital cost

B Linnhoff, S Ahmad - Computers & Chemical Engineering, 1990 - Elsevier
An important feature of heat exchanger network design is the energy—capital tradeoff. This
tradeoff has been regarded as complex due to the number of structural network alternatives …

Heat exchanger networks: Cost tradeoffs in energy and capital

S Ahmad - 1985 - osti.gov
Heat Exchanger Network design is a key aspect of the design of chemical and other process
plant. The task is to reach specified temperature changes for material flows using process …

A generalized method for HEN synthesis using stochastic optimization—II.: The synthesis of cost-optimal networks

DR Lewin - Computers & chemical engineering, 1998 - Elsevier
This paper presents a generalized method for the synthesis of heat-exchanger networks
(HENs) based on genetic algorithms (GAs). This approach is a modification of the algorithm …

Optimization of heat exchanger networks by coupled simulated annealing and NLP procedures

G Athier, P Floquet, L Pibouleau… - Computers & chemical …, 1996 - Elsevier
This paper addresses the problem of systematic generation of heat exchanger networks for
minimizing the global cost. To an upper level, the approach implements simulated annealing …