期刊
MECHANISM AND MACHINE THEORY
卷 46, 期 10, 页码 1411-1424出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.mechmachtheory.2011.05.012
关键词
Gyroscope; Wave energy converter; Ocean energy; Wave power; AQWA; Hydrodynamics
资金
- S.PO.S.DE.T. - Self Powered floating device for Sea traffic Detection and Transmission
- Italian national funding P.R.I.N. Progettazione Meccanica di un Convertitore di Energia da Moto Ondoso
In the past four decades, hundreds of Wave Energy Converters (WECs) have been proposed and studied, but so far a final architecture to harvest wave power has not been identified. Many engineering problems are still to be solved, like survivability, durability and effective power capture in a variable wave climate. ISWEC (Inertial Sea Wave Energy Converter) is a system using the gyroscopic reactions provided from a spinning flywheel to extract power. The flywheel works inside a sealed floating body in order to be protected from the outer environment and grant a reliable and durable operation. The article summarizes the design procedure of a 1: 45 scaled ISWEC device with rated power 2.2 W and the tank tests performed with a simplified plain float to verify the actual prototype power capabilities. The article then focuses on the implementation of a non-linear coupled model (mechanics + hydrodynamics) to improve the float shape in order to maximize the power absorption. The final result is a float shape capable to absorb a power almost three times bigger (5.96 W) than the initial float shape. (C) 2011 Elsevier Ltd. All rights reserved.
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