Fraga, E.S.;
(2009)
A rewriting grammar for heat exchanger network structure
evolution with stream splitting.
Engineering Optimization
, 41
(9)
pp. 813-831.
10.1080/03052150903070153.
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Abstract
The design of cost optimal heat exchanger networks is a difficult optimisation problem due both to the nonlinear models required and also the combinatorial size of the search space. When stream splitting is considered, the combinatorial aspects make the problem even harder. This paper describes the implementation of a two level evolutionary algorithm based on a string rewriting grammar for the evolution of the heat exchanger network structure. A biological analogue of genotypes and phenotypes is used to describe structures and specific solutions respectively. The top level algorithm evolves structures while the lower level optimises specific structures. The result is a hybrid optimisation procedure which can identify the best structures including stream splitting. Case studies from the literature are presented to demonstrate the capabilities of the novel procedure.
| Type: | Article |
|---|---|
| Title: | A rewriting grammar for heat exchanger network structure evolution with stream splitting |
| Open access status: | An open access version is available from UCL Discovery |
| DOI: | 10.1080/03052150903070153 |
| Publisher version: | http://dx.doi.org/10.1080/03052150903070153 |
| Language: | English |
| Additional information: | This is an electronic version of an article published in Engineering Optimization, 41 (9). pp. 813-831 ISSN 0305215X. Engineering Optimization is available online at informaworldTM http://dx.doi.org/10.1080/03052150903070153 |
| Keywords: | Heat exchanger network design, stream splitting, term rewriting, formal grammar, hybrid optimisation |
| UCL classification: | UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science > Dept of Chemical Engineering |
| URI: | https://discovery-pp.ucl.ac.uk/id/eprint/16376 |
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