Temat: wind energy industry - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Non-navigational Uses of the Sea Space: The Baltic Sea Case
Autorzy:: Otremba, Z.
Powiązania:: https://bibliotekanauki.pl/articles/116738.pdf
Data publikacji:: 2013
Wydawca:: Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
Tematy:: Baltic Sea, Sea Space
Technical Activity at Sea
Marine Environment
Offshore Technology
Non-Navigational Activity
Wind Energy
Oil and Gas Industry
Opis:: Some parts of the global ocean, apart from their traditional use (maritime transport, fishery, navy), becomes suitable for other technical activities and investments (e.g. gas and electricity transmission, wind farms, gas and oil extraction, gravel extraction, coastal protection). These activities interact with marine environment as well as can interfere with navigation. This paper presents relating to the Baltic Sea large scale technical activities as well as points up their possible individual environmental effects.
Źródło:: TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2013, 7, 4; 619-623
2083-6473
2083-6481
Pojawia się w:: TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Strength analysis of a large-size supporting structure for an offshore wind turbine
Autorzy:: Niklas, K.
Powiązania:: https://bibliotekanauki.pl/articles/259468.pdf
Data publikacji:: 2017
Wydawca:: Politechnika Gdańska. Wydział Inżynierii Mechanicznej i Okrętownictwa
Tematy:: renewable energy sources
offshore wind power industry
supporting structure
strength analysis
FEM
computer simulation
numerical calculations
CFD
conceptual design
buckling
thin-walled structure
Opis:: The offshore wind power industry is the branch of electric energy production from renewable sources which is most intensively developed in EU countries. At present, there is a tendency to install larger-power wind turbines at larger distances from the seashore, on relatively deep waters. Consequently, technological solutions for new supporting structures intended for deeper water regions are undergoing rapid development now. Various design types are proposed and analysed, starting from gravitational supports (GBS), through monopiles and 3D frame structures (jackets, tripods), and ending with floating and submerged supports anchored to the seabed by flexible connectors, including TLP type solutions. The article presents the results of examination of an untypical large-size gravitational support intended for waters with the depth of up to 40 m. Firstly, a general concept of the new design is presented, while the next basic part of the article describes the support design in detail and provides its strength analysis. The examined support has the form of a large steel container consisting of conical segments. The strength analysis was conducted using the finite element method (FEM), in accordance with the standard DNVGL-ST-0126. Modifications introduced to the most heavily loaded structural node of the support, which was the set of base bottom trusses, is also included. The results of the performed analysis prove that the presented concept of supporting structure for a 7MW turbine meets fundamental strength criteria. The nonlinear buckling analysis was performed to evaluate the critical force acting on the support, which turned out to be 1.44 times as large as the maximum load of the wind turbine. Potentially important issues for further analyses have been identified as those resulting from the asymmetry of basic loads acting on the support.
Źródło:: Polish Maritime Research; 2017, S 1; 156-165
1233-2585
Pojawia się w:: Polish Maritime Research
Dostawca treści:: Biblioteka Nauki

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