JZUS - Journal of Zhejiang University SCIENCE

Journal of Zhejiang University SCIENCE A

Accepted manuscript available online (unedited version)

Hydrodynamic characteristics of a wind turbine monopile foundation integrated with an oscillating-water-column wave energy device

Author(s): Zhigang SHAN, Mengxia SONG, Jiapeng PAN, Baolong ZHANG, Miaojun SUN, Fang HE
Affiliation(s): PowerChina HuaDong Engineering Co. Ltd, Hangzhou 311100, China; more
Corresponding email(s): hefang@zju.edu.cn
Key Words: Oscillating water column; Offshore wind power; Monopile; Wave energy converter; Wave loads

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Zhigang SHAN, Mengxia SONG, Jiapeng PAN, Baolong ZHANG, Miaojun SUN, Fang HE. Hydrodynamic characteristics of a wind turbine monopile foundation integrated with an oscillating-water-column wave energy device[J]. Journal of Zhejiang University Science A,in press.Frontiers of Information Technology & Electronic Engineering,in press.https://doi.org/10.1631/jzus.A2400045

@article{title="Hydrodynamic characteristics of a wind turbine monopile foundation integrated with an oscillating-water-column wave energy device",
author="Zhigang SHAN, Mengxia SONG, Jiapeng PAN, Baolong ZHANG, Miaojun SUN, Fang HE",
journal="Journal of Zhejiang University Science A",
year="in press",
publisher="Zhejiang University Press & Springer",
doi="https://doi.org/10.1631/jzus.A2400045"
}

%0 Journal Article
%T Hydrodynamic characteristics of a wind turbine monopile foundation integrated with an oscillating-water-column wave energy device
%A Zhigang SHAN
%A Mengxia SONG
%A Jiapeng PAN
%A Baolong ZHANG
%A Miaojun SUN
%A Fang HE
%J Journal of Zhejiang University SCIENCE A
%P
%@ 1673-565X
%D in press
%I Zhejiang University Press & Springer
doi="https://doi.org/10.1631/jzus.A2400045"

TY - JOUR
T1 - Hydrodynamic characteristics of a wind turbine monopile foundation integrated with an oscillating-water-column wave energy device
A1 - Zhigang SHAN
A1 - Mengxia SONG
A1 - Jiapeng PAN
A1 - Baolong ZHANG
A1 - Miaojun SUN
A1 - Fang HE
J0 - Journal of Zhejiang University Science A
SP -
EP -
%@ 1673-565X
Y1 - in press
PB - Zhejiang University Press & Springer
ER -
doi="https://doi.org/10.1631/jzus.A2400045"

Abstract
Chinese Summary
Academic Network
Reviewer Comment

Abstract: We explore the incorporation of an oscillating water column (OWC) device into a monopile foundation designed for offshore wind power generation. The hydrodynamic characteristics of the structure are investigated, including the free surface and air pressure responses inside the OWC chamber, the wave energy capture performance, and the wave load response under various power take-off (PTO) damping and wave conditions. An orifice is employed to represent the quadratic PTO damping effect. Results indicate that increasing the PTO opening ratio increases the peak frequency of the water surface oscillation coefficient inside the OWC chamber, as well as the OWC pneumatic power. The load-reduction effect of the OWC device in the positive direction is likely related to the water surface oscillation inside the chamber and the wave energy extraction efficiency. At high wave frequencies, the water surface oscillation coefficient is relatively small, while the pneumatic power is maintained at a large value, and the OWC device can effectively reduce wave loads in the direction of incoming waves. An optimal opening ratio of 1.51% may balance wave energy utilization efficiency with structural protection for the device.

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