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SYNTHSEP: A general methodology for the synthesis of energy system configurations beyond superstructures
Department of Industrial Engineering, University of Padova.
University of Padova, Department of Industrial Engineering.
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Energy Science.ORCID iD: 0000-0002-4532-4530
2018 (English)In: Energy, ISSN 0360-5442, E-ISSN 1873-6785, Vol. 147, p. 924-949Article in journal (Refereed) Published
Abstract [en]

The proper choice of the energy system configuration and design parameters, generally named “synthesis/design problem”, is only rarely straightforward because of the many variables involved. The goal of a standard for the generation of new system configurations has recently led to superstructures that potentially include all possible configurations, among which the optimum one, yet the ability of defining in advance such superstructures is a fundamental limit of this technique. To overcome this problem a bottom-up methodology is proposed, which relies on the basic idea that the system configuration is certainly based on one or more thermodynamic cycles that may share some processes or be combined in a cascade form. Accordingly, all the possible ways of combining elementary cycle processes into meaningful system configurations are first identified using a comprehensive and rigorous set of rules. An optimization is then performed in which the search space consists of all the obtainable configurations and associated design parameters. The paper shows all steps of this original synthesis/design optimization methodology and its effectiveness in the search for the best two-pressure level ORC system configuration. The optimum results obtained using different working fluids and temperatures of the heat source allow general design guidelines to be identified.

Place, publisher, year, edition, pages
Elsevier, 2018. Vol. 147, p. 924-949
National Category
Energy Engineering
Research subject
Energy Engineering
Identifiers
URN: urn:nbn:se:ltu:diva-67520DOI: 10.1016/j.energy.2018.01.075ISI: 000429391100073Scopus ID: 2-s2.0-85041646812OAI: oai:DiVA.org:ltu-67520DiVA, id: diva2:1180404
Note

Validerad;2018;Nivå 2;2018-02-05 (andbra)

Available from: 2018-02-05 Created: 2018-02-05 Last updated: 2018-04-26Bibliographically approved

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CiteExportLink to record
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