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Numerical analysis of an Uppsala University WEC deployment by a barge for different sea states
Uppsala University, Dept. of Electrical Engineering, Uppsala, Sweden.
Uppsala University, Dept. of Electrical Engineering, Uppsala, Sweden.
University West, Department of Engineering Science, Division of Industrial Engineering and Management, Electrical- and Mechanical Engineering.
Uppsala University, Dept. of Electrical Engineering, Uppsala, Sweden.
2020 (English)In: Ocean Engineering, ISSN 0029-8018, E-ISSN 1873-5258, Vol. 205, article id 107287Article in journal (Refereed) Published
Abstract [en]

Wave energy converters (WECs) have been deployed onshore, nearshore, and offshore to convert ocean wave movement into electricity. The exploitation of renewable energy sources has restrictions; in the case of wave energy, high installation, maintenance, and decommissioning costs have limited their commercial use. Moreover, these offshore operations can be compromised by safety issues. This paper draws attention to offshore operation safety of a WEC developed by Uppsala University. Specifically, this paper investigates what sea states are suitable for the safe deployment of a WEC from a barge. This study follows recommendations in DNV-RP-H103 for analysis of offshore operations, namely lifting through the wave zone. ANSYS Aqwa is used to find hydrodynamic forces acting on a typical barge, using frequency domain analysis. Based on these hydrodynamic simulation results and methodology given in DNV-RP-H103, tables are created to show the sea states that would allow for the safe installation of a WEC using a typical barge. Considered sea states have significant wave heights varying between 0 m and 3 m and the wave zero crossing periods varying between 3 s and 13 s. The WEC submersions are considered between 0 m and 7 m, i.e. when the WEC is in the air until it is fully submerged. © 2020 Elsevier Ltd

Place, publisher, year, edition, pages
2020. Vol. 205, article id 107287
National Category
Vehicle Engineering Marine Engineering
Identifiers
URN: urn:nbn:se:hv:diva-15134DOI: 10.1016/j.oceaneng.2020.107287Scopus ID: 2-s2.0-85082862418OAI: oai:DiVA.org:hv-15134DiVA, id: diva2:1425594
Funder
Swedish Energy AgencyAvailable from: 2020-04-21 Created: 2020-04-21 Last updated: 2020-04-21

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Ekergård, Boel

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