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ISSN:2164-6457 (print)
ISSN:2164-6473 (online)
Journal of Applied Nonlinear Dynamics
Miguel A. F. Sanjuan (editor), Albert C.J. Luo (editor)
Miguel A. F. Sanjuan (editor)

Department of Physics, Universidad Rey Juan Carlos, 28933 Mostoles, Madrid, Spain

Email: miguel.sanjuan@urjc.es

Albert C.J. Luo (editor)

Department of Mechanical and Industrial Engineering, Southern Illinois University Ed-wardsville, IL 62026-1805, USA

Fax: +1 618 650 2555 Email: aluo@siue.edu

On the Production Of Energy From Sea Waves By a Rotating Pendulum A Preliminary Experimental Study

Journal of Applied Nonlinear Dynamics 3(2) (2014) 187--201 | DOI:10.5890/JAND.2014.06.008

S. Lenci

Università Politecnica delle Marche, Dipartimento di Ingegneria Civile, Edile e Architettura (DICEA), Via Brecce Bianche, 60131 Ancona, Italy

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Abstract

The paper is aimed at experimentally showing the possibility of energy production by water waves using a new mean of production of green energy which has been proposed recently. Rotations of a floating pendulum, constrained to move vertically, are studied experimentally in the wave flume of the Laboratory of Hydraulics of the Polytechnic University of Marche. After checking the robustness of the rotation for different values of the wave frequency and amplitude, a generator applied to the pendulum pivot is switched on, and it is shown that it is able to produce electric energy. This represents the experimental proof of the feasibility of the underlying idea. The extracted energy is still small, and further developments are required to optimize the system, likely involving control for rotation activation and sustain in irregular waves, but the goal of showing that it is possible to produce energy from sea waves by a pendulum is reached, and the way for new development is opened.

Acknowledgments

The author wishes to thank the E. Venturi and W. Luzi for building the experimental pendulum and for the experimental tests; A. Mancinelli for the permission to use the Laboratory of Hydraulics, Polytechnic University of Marche, Ancona, Italy; M. Brocchini and C. Lorenzoni for their contributions to the hydraulic part of the experiment; M. Postacchini for the help with the wave flume; Prof. P. Castellini, of the Department of Mechanics, for the help with the measurements set-up and tools.

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