scholarly journals INVESTIGATION OF VARIATION OF THE KUROSHIO CURRENT OFF CAPE SHIONO-MISAKI DURING THE NON-LARGE-MEANDER PATH IN RELATION TO OCEAN CURRENT POWER GENERATOR

2018 ◽  
Vol 74 (2) ◽  
pp. I_928-I_933
Author(s):  
Toru YAMASHIRO ◽  
Hiroshi YAMADA ◽  
Naoki HIROSE ◽  
Tadashi NAGAHAMA ◽  
Hirohiko NAKAMURA ◽  
...  
Author(s):  
Chen Chen ◽  
Masashi Kashiwagi

As a strong western-boundary current, the Kuroshio Current has significant effects on the ship navigation in the East China Sea (ECS). To quantitatively know more about its influence, we present simulations of the ocean current in the North Pacific Ocean using the well-known Princeton Ocean Model (POM). The high-resolution current distributions could be applied to conduct numerical simulations of the ship navigation, which utilized a ship maneuvering model known as the Mathematical Maneuvering Group (MMG). Calculation of a container ship as well as a training ship have been conducted. The simulation results of both ships can show the significant effects of ocean currents on ship’s drifting as well as speed change, which could be used to optimize cost of both fuel and time by properly utilizing the current in ship routing.


2013 ◽  
Vol 69 (2) ◽  
pp. I_109-I_113 ◽  
Author(s):  
Hiroyuki KOMAKI ◽  
Toru YAMASHIRO ◽  
Kazuyoshi JOMOTO ◽  
Ayako NISHINA ◽  
Hirohiko NAKAMURA ◽  
...  

2020 ◽  
Vol 8 (9) ◽  
pp. 687
Author(s):  
Shueei-Muh Lin ◽  
Yang-Yih Chen ◽  
Hung-Chu Hsu ◽  
Meng-Syue Li

This paper presents a theoretical solution for the dynamic stability of the ocean current turbine system developed in Taiwan. This system is tethered to the sea floor and uses the Kuroshio Current to produce electricity. To maintain the performance of the turbine system in the presence of the Kuroshio Current, the stability of the surfaced turbine needs to be considered. The proposed system is composed of a turbine, a buoyance platform, a traction rope, and a mooring foundation. The two-dimensional theoretical solutions treat the turbine as a rigid body with a movable structure that is moored with two cables. In this model, the gravity, buoyancy, and drag force generated by the wave on the turbine structure are considered. In addition, an analytical solution is proposed for the general system. Finally, the effects of the wave on the pitch motion and dynamical stability of the ocean current turbine system are investigated.


2018 ◽  
Vol 40 (4) ◽  
pp. 525-539 ◽  
Author(s):  
Akira Nagano ◽  
Yusuke Yamashita ◽  
Takuya Hasegawa ◽  
Keisuke Ariyoshi ◽  
Hiroyuki Matsumoto ◽  
...  

2021 ◽  
Vol 233 ◽  
pp. 103966
Author(s):  
Mitsuhide Sato ◽  
Jun Nishioka ◽  
Kazuyuki Maki ◽  
Shigenobu Takeda

2021 ◽  
pp. 100504
Author(s):  
Rie S. Hori ◽  
Takenobu Shinki ◽  
Akihiro Iwakiri ◽  
Atsushi Matsuoka ◽  
Noritoshi Suzuki ◽  
...  

ZooKeys ◽  
2018 ◽  
Vol 772 ◽  
pp. 153-163 ◽  
Author(s):  
Atsunobu Murase ◽  
Ryohei Miki ◽  
Masaaki Wada ◽  
Masahide Itou ◽  
Hiroyuki Motomura ◽  
...  

The Potato Grouper, Epinephelustukula, is relatively rare worldwide. Records from the northernmost part of its range (Japan) have been few, resulting in a “Critically Endangered” listing on the Red List for Japan. The Japanese records were revised by examining literature, new specimens, photographs, and the internet, and a continuous distribution pattern from the tropical Ryukyu Islands (including adult individuals) to temperate regions affected by the Kuroshio Current were delineated; this suggests the species inhabits tropical Japan and can spread to temperate regions via the warm current. The species possibly reproduces in Japanese waters but further reproductive ecology research is required.


2021 ◽  
Vol 265 ◽  
pp. 107051
Author(s):  
Jianjun Zou ◽  
Yuan-Pin Chang ◽  
Aimei Zhu ◽  
Min-Te Chen ◽  
Selvaraj Kandasamy ◽  
...  

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