COI code: ICOPMAS12_164
Paper Language: English
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Authors ON THE TIME-VARIABILITY OF ADDED MASS AND DAMPING OF A FLAP TYPE WAVE ENERGY CONVERTERSaghy Saeidtehrani - Dipartimento di Ingegneria, Università degli Studi Roma Tre, Rome, Italy,
Pedro Lomonaco - Dipartimento di Ingegneria, Università degli Studi Roma Tre, Rome, Italy,
Giorgio Bellotti - Dipartimento di Ingegneria, Università degli Studi Roma Tre, Rome, Italy,
Leopoldo Franco - O.H. Hinsdale Wave Research Laboratory, Oregon State University, Corvallis, Oregon, United States
Abstract:Almost most of mathematical models of fluid-body interaction represent the radiation effect as two frequency dependent components proportional to acceleration andvelocity. This approach originally comes from strip theory of ship motions . Mathematical models for simulating body motion also suggest to include another damping term proportional to a higher power of velocity , for fluid-body interaction, it could compensate the nonlinearities and viscous effects . In this paper, radiation damping, added mass and the quadratic damping coefficient are extracted from the free decay experimental results. Different approaches have been used for extracting these parameters, based on the stages of time dependency. The parameters are used to investigate the ability and applicability of the abovementioned models for simulation of a flap type wave energy converter, patented by . The numerical results will be compared with the experimental measurements. It will be shown that due to the rapid motions of this device and the interactions between flaps in an array, considering constant damping and added mass could not effectively model themotion of this type of wave energy converter.
COI code: ICOPMAS12_164
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Saeidtehrani, Saghy; Pedro Lomonaco; Giorgio Bellotti & Leopoldo Franco, 2016, ON THE TIME-VARIABILITY OF ADDED MASS AND DAMPING OF A FLAP TYPE WAVE ENERGY CONVERTER, 12th International Conference on Coasts, Ports and Marine Structures, تهران, سازمان بنادر و دريانوردي, https://www.civilica.com/Paper-ICOPMAS12-ICOPMAS12_164.htmlInside the text, wherever referred to or an achievement of this article is mentioned, after mentioning the article, inside the parental, the following specifications are written.
First Time: (Saeidtehrani, Saghy; Pedro Lomonaco; Giorgio Bellotti & Leopoldo Franco, 2016)
Second and more: (Saeidtehrani; Lomonaco; Bellotti & Franco, 2016)
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