Topic
Wave power
About: Wave power is a research topic. Over the lifetime, 2671 publications have been published within this topic receiving 41439 citations. The topic is also known as: wind wave energy & sea wave energy.
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TL;DR: In this article, a new expression for the wave energy flux is obtained, which is proportional to the mode / k, where ´mode is the real part of the eigenvalue of the dispersion tensor corresponding to the wave mode.
Abstract: The propagation of waves in weakly dissipative plasmas is investigated. A new expression for the wave energy flux is obtained, which is proportional to ´mode / k , where ´mode is the real part of the eigenvalue of the dispersion tensor corresponding to the wave mode. Significant differences from the usual definition of dielectric wave energy flux occur in case of a non-negligible anti-Hermitian contribution to the dielectric tensor. This occurs, for example, near electron cyclotron resonance. The direction of the corrected wave energy flux is consistent with that of the trajectory of a wave beam crossing the EC resonance as obtained in Westerhof (Westerhof E 1997 Plasma Phys. Control. Fusion 39 1015). It is shown that ray-tracing near cyclotron resonance can be performed with the use of ´mode as ray-Hamiltonian.
31 citations
Patent•
05 Mar 2007
TL;DR: In this paper, a wave energy conversion system or device is provided which includes a hull that serves as a float, moving up and down with incoming waves, and a power take-off system contained within the hull comprises a longitudinal main rotary shaft upon which a series different diameter sets of dual same-diameter pinions interact with the main rotor shaft through their corresponding freewheels.
Abstract: A wave energy conversion system or device is provided which includes a hull that serves as a float, moving up and down with incoming waves. The power take-off system contained within the hull comprises a longitudinal main rotary shaft upon which a series different diameter sets of dual same-diameter pinions interact with the main rotary shaft through their corresponding freewheels. This interaction only allows the main rotary shaft to rotate in only one direction. A fork-like rod system member that is either fixed directly to a base on the seabed or to a supporting underwater taut moored floating platform. This fork-like rod system member has an alternate rod in permanent contact with each pinion (two rods per each set of dual same-diameter pinions). The device also is capable of self-adjusting its mechanical properties and orientation to take into account the predominant wave frequency and direction over a period of time in a practical way to provide continuous, or multiple level, tuning of the system and is self-orienting for maximum and minimum energy absorption depending on sea conditions.
31 citations
TL;DR: In this paper, the authors used hardware-in-the-loop (HIL) simulation on the ISWEC wave energy system and validated it with real wave tank tests at the INSEAN in Rome.
31 citations
TL;DR: In this article, the authors used spectral wave power equations to estimate the available wave power available in coastal Florida and found that average values ranging from 2.073 to 6.939kW/m are available annually.
31 citations
TL;DR: In this article, a fundamental investigation into the wave power capture capacity of two interconnected floats with arbitrary float length is presented, which enables the authors to carry out a frequency-domain analysis.
31 citations