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Power capture performance of an oscillating-body WEC with nonlinear snap through PTO systems in irregular waves

Zhang, Xiantao

A nonlinear snap through PTO system is applied to an oscillating-body WEC. * The power capture performance of both linear and nonlinear WEC in irregular waves are numerically calculated and compared based on hybrid frequency-time domain method. * The oscillating-body WEC with nonlinear snap through PTO systems captures more power than the linear WEC for low peak frequency input. * The effects of irregular wave parameters and the damping coefficient of the PTO systems on the power capture performance of the nonlinear WEC are investigated in detail.

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Power capture performance of an oscillating-body WEC with nonlinear snap through PTO systems in irregular waves

Zhang, Xiantao

A nonlinear snap through PTO system is applied to an oscillating-body WEC. * The power capture performance of both linear and nonlinear WEC in irregular waves are numerically calculated and compared based on hybrid frequency-time domain method. * The oscillating-body WEC with nonlinear snap through PTO systems captures more power than the linear WEC for low peak frequency input. * The effects of irregular wave parameters and the damping coefficient of the PTO systems on the power capture performance of the nonlinear WEC are investigated in detail.

Power capture performance of an oscillating-body WEC with nonlinear snap through PTO systems in irregular waves

Zhang, Xiantao

A nonlinear snap through PTO system is applied to an oscillating-body WEC. * The power capture performance of both linear and nonlinear WEC in irregular waves are numerically calculated and compared based on hybrid frequency-time domain method. * The oscillating-body WEC with nonlinear snap through PTO systems captures more power than the linear WEC for low peak frequency input. * The effects of irregular wave parameters and the damping coefficient of the PTO systems on the power capture performance of the nonlinear WEC are investigated in detail.

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Title:

Power capture performance of an oscillating-body WEC with nonlinear snap through PTO systems in irregular waves

Contributors:

Zhang, Xiantao (author) / Yang, Jianmin

Published in:

Applied ocean research ; 52

Publication date:

2015

ISSN:

DOI:

https://doi.org/10.1016/j.apor.2015.06.012

Type of media:

Article (Journal)

Type of material:

Print

Language:

English

Keywords:

Zeitschrift , Meereskunde

Classification:

BKL: 38.90 / 50.92 / 38.90 Ozeanologie, Ozeanographie / 56.30 Wasserbau / 50.92 Meerestechnik / 56.30

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