Experimental Investigation of the Mooring System of a Wave Energy Converter in Operating and Extreme Wave Conditions

被引：37

作者：

Sirigu, Serge Antonello ^{[1
]}

Bonfanti, Mauro ^{[1
]}

Begovic, Ermina ^{[2
]}

Bertorello, Carlo ^{[2
]}

Dafnakis, Panagiotis ^{[1
]}

Giorgi, Giuseppe ^{[1
]}

Bracco, Giovanni ^{[1
]}

Mattiazzo, Giuliana ^{[1
]}

机构：

[1] Politecn Torino, Dept Mech & Aerosp Engn, Cso Duca Abruzzi 24, Turin 10129, Italy

[2] Univ Naples Federico II, Dept Ind Engn, Via Claudio 21, Naples 80125, Italy

来源：

JOURNAL OF MARINE SCIENCE AND ENGINEERING | 2020年 / 8卷 / 03期

基金：

欧洲研究理事会;

关键词：

mooring system; wave energy converter; experimental campaign; floating WEC mooring design; operating conditions; extreme conditions; VALIDATION;

D O I：

10.3390/jmse8030180

中图分类号：

U6 [水路运输]; P75 [海洋工程];

学科分类号：

0814 ; 081505 ; 0824 ; 082401 ;

摘要：

A proper design of the mooring systems for Wave Energy Converters (WECs) requires an accurate investigation of both operating and extreme wave conditions. A careful analysis of these systems is required to design a mooring configuration that ensures station keeping, reliability, maintainability, and low costs, without affecting the WEC dynamics. In this context, an experimental campaign on a 1:20 scaled prototype of the ISWEC (Inertial Sea Wave Energy Converter), focusing on the influence of the mooring layout on loads in extreme wave conditions, is presented and discussed. Two mooring configurations composed of multiple slack catenaries with sub-surface buoys, with or without clump-weights, have been designed and investigated experimentally. Tests in regular, irregular, and extreme waves for a moored model of the ISWEC device have been performed at the University of Naples Federico II. The aim is to identify a mooring solution that could guarantee both correct operation of the device and load carrying in extreme sea conditions. Pitch motion and loads in the rotational joint have been considered as indicators of the device hydrodynamic behavior and mooring configuration impact on the WEC.

引用

页数：31

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