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On the nature of the heat transfer feasibility constraint in the optimal synthesis/design of complex energy systems
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Energy Science.ORCID iD: 0000-0002-4532-4530
University of Padova.
Virginia Polytechnic Institute and State University.
2012 (English)In: Energy, ISSN 0360-5442, E-ISSN 1873-6785, Vol. 41, no 1, p. 236-243Article in journal (Refereed) Published
Abstract [en]

In this paper, the formulation of the constraint on heat transfer feasibility in the synthesis/design optimization of complex energy systems is discussed, with particular emphasis on the case in which the matching among the hot and cold thermal streams within the system is not defined a priori. The mathematical nature of the set of inequality constraints expressing the internal availability of thermal power at different temperature levels is examined and some examples are shown illustrating the way these constraints bound the feasible region of the search space and affect the hypersurface of the so-called optimum response surface, which results from considering a reduced number of degrees of freedom of the optimization problem. A brief discussion is also proposed about the choice of the algorithm and the variables for the optimization process.

Place, publisher, year, edition, pages
2012. Vol. 41, no 1, p. 236-243
National Category
Energy Engineering
Research subject
Energy Engineering
Identifiers
URN: urn:nbn:se:ltu:diva-10843DOI: 10.1016/j.energy.2011.06.026ISI: 000304076800028Scopus ID: 2-s2.0-84859988936Local ID: 9b85cf50-f948-4ed8-aef9-9e260a8be987OAI: oai:DiVA.org:ltu-10843DiVA, id: diva2:983791
Note
Validerad; 2012; 20110808 (ysko)Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2018-07-10Bibliographically approved

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Toffolo, Andrea

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