Journal of Ocean Engineering and Marine Energy

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Foreword to special issue in Ship Hydrodynamics
Journal of Ocean Engineering and Marine Energy - Tập 8 - Trang 469-469 - 2022
Ignazio Maria Viola
Numerical analysis and model tests of a three-module VLFS deployed near islands and reefs
Journal of Ocean Engineering and Marine Energy - Tập 4 - Trang 111-122 - 2018
You-sheng Wu, Jun Ding, Chao Tian, Zhi-wei Li, Hong-jie Ling, Xiao-zhou Ma, Jun-liang Gao
A direct coupled method is established on the basis of the Boussinesq equations and Rankine source method to analyze the responses of floating bodies near islands and reefs. The detailed theoretical derivation, numerical solution method and the relevant calculation program THAFTS-BR are also completed. Then, the motions and connector loads of a three-module VLFS deployed near islands and reefs are...... hiện toàn bộ
Wave energy conversion using a small tubular free-floating device
Journal of Ocean Engineering and Marine Energy - - Trang 1-13 - 2023
Umesh A. Korde, L. Andrew Gish, Giorgio Bacelli, Ryan G. Coe
Wave energy devices traditionally tend to be large, as their sizes are often determined by power conversion targets and their operating wave climates. Here we examine a size-constrained device designed to fit within narrow tubes, and using well-known analysis techniques show that converted power amounts may be large enough to meet or exceed the needs of instrumentation to serve a majority of ocean...... hiện toàn bộ
High-resolution modeling of the Kuroshio current power south of Japan
Journal of Ocean Engineering and Marine Energy - Tập 4 - Trang 37-55 - 2017
Tianran Liu, Bin Wang, Naoki Hirose, Toru Yamashiro, Hiroshi Yamada
Ocean current power near the Japanese coast was estimated using a high-resolution, three-dimensional ocean model. Two experiments were conducted to distinguish the impact of the Kuroshio large meander. The simulation results were validated by comparison with measurements. To choose the proper site for ocean current power generation experiment, we quantitatively analyzed the variation of the curren...... hiện toàn bộ
Erik Vanem: Bayesian hierarchical space-time models with application to significant wave height
Journal of Ocean Engineering and Marine Energy - Tập 1 - Trang 337-338 - 2015
George Z. Forristall
On motion analysis and elastic response of floating offshore wind turbines
Journal of Ocean Engineering and Marine Energy - Tập 6 - Trang 71-90 - 2020
Azin Lamei, Masoud Hayatdavoodi
Wind energy industry is expanded to offshore and deep water sites, primarily due to the stronger and more consistent wind fields. Floating offshore wind turbine (FOWT) concepts involve new engineering and scientific challenges. A combination of waves, current, and wind loads impact the structures. Often under extreme cases, and sometimes in operational conditions, magnitudes of these loads are com...... hiện toàn bộ
Effect of aspect ratio on hydrokinetic energy harnessing using cylinders in VIV
Journal of Ocean Engineering and Marine Energy - Tập 8 - Trang 217-232 - 2022
Aytekin Duranay, Omer Kemal Kinaci, Michael M. Bernitsas
Smooth, rigid, circular cylinders on elastic support in flow perpendicular to their axis undergo vortex-induced vibrations (VIV) over a broad range of velocities. VIV converts hydrokinetic energy to mechanical in the oscillating cylinder. Tip-flow introduces three dimensional effects reducing the effective length of the cylinder which provides the transverse lift force to induce oscillations and c...... hiện toàn bộ
Linear diffraction analysis of the three-float multi-mode wave energy converter M4 for power capture and structural analysis in irregular waves with experimental validation
Journal of Ocean Engineering and Marine Energy - Tập 3 - Trang 51-68 - 2016
L. Sun, J. Zang, P. Stansby, E. Carpintero Moreno, P. H. Taylor, R. Eatock Taylor
A frequency domain dynamic model based on the DIFFRACT code has previously been applied to the moored, three-float, multi-mode wave energy converter M4 in regular waves, modelled as a two-body problem, showing good agreement of relative rotation and power capture with experiments for small wave height (Sun et al., 2016 J Ocean Eng Mar Energy 2(4):429–438). The machine has both a broad-banded and r...... hiện toàn bộ
Reduction of wave-induced pitch motion of a semi-sub wind platform by balancing heave excitation with pumping between floats
Journal of Ocean Engineering and Marine Energy - Tập 7 - Trang 157-172 - 2021
Peter Stansby
It is desirable to control pitch motion of semi-submersible wind platforms to reduce turbine hub acceleration and increase structural fatigue life. This is achieved by balancing the moment on the platform due to heave float excitation by generating a differential internal head of water between the floats though a pump. This is demonstrated with an experimentally validated linear diffraction-radiat...... hiện toàn bộ
Morison coefficients for a circular cylinder oscillating with dual frequency in still water: an analysis using independent-flow form of Morison’s equation
Journal of Ocean Engineering and Marine Energy - Tập 1 - Trang 435-444 - 2015
Zhida Yuan, Zhenhua Huang
In this study, a set of experimental results for wave forces acting on a cylinder oscillating with dual frequency in still water are reported. The experiment was designed to mimic a cylinder slowly oscillating in regular waves, with the high-frequency oscillation representing the wave motion and the low-frequency oscillation, the slow drift motion. The inline forces acting on the cylinder were ana...... hiện toàn bộ
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