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The synthesis of cost optimal heat exchanger networks with unconstrained topology
2009 (English)In: Applied Thermal Engineering, ISSN 1359-4311, E-ISSN 1873-5606, Vol. 29, no 17-18, p. 3518-3528Article in journal (Refereed) Published
Abstract [en]

The optimization of heat exchanger network (HEN) synthesis still remains an open problem because of the complexity of the space comprising all the possible solutions, and most of the proposed methods introduce simplifying assumptions that mainly affect the topological features of the candidate solutions considered and thus artificially limit the boundaries of the search space. This work is devoted to the pursuit of cost-optimal HENs with unconstrained topology, exploiting the advantages deriving from two graph representations of a HEN. One representation is used by an evolutionary algorithm to manage HEN topology and the other is used by a NLP algorithm to manage heat load distribution among the exchangers. The proposed two-level hybrid optimization method is applied to four test cases taken from the literature about HEN synthesis, among which the well-known Aromatics Plant problem

Place, publisher, year, edition, pages
2009. Vol. 29, no 17-18, p. 3518-3528
Identifiers
URN: urn:nbn:se:ltu:diva-5539DOI: 10.1016/j.applthermaleng.2009.06.009Local ID: 3aa66af0-12bf-4b71-8ebc-c8dc078bd1f2OAI: oai:DiVA.org:ltu-5539DiVA: diva2:978413
Note
Upprättat; 2012; 20120418 (andbra)Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2017-11-24Bibliographically approved

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