Journal of Ocean Engineering and Technology

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Original Research Article

September 13, 2021

Evaluation of Dynamic Characteristics for a Submerged Body with Large Angle of Attack Motion via CFD Analysis

Myungjun Jeon, Thi Loan Mai, Hyeon Kyu Yoon, Jaekwan Ryu, Wonhee Lee, et al.

J. Ocean Eng. Technol.. 2021;35(5):313-326.

A submerged body with varied control inputs can execute large drift angles and large angles of attack, as well as basic control such as straight movement and turning. The objective...

Original Research Article

September 24, 2021

Reliability Improvement of Offshore Structural Steel F690 Using Surface Crack Nondamaging Technology

Weon-Gu Lee, Kyoung-Hee Gu, Cheol-Su Kim, Ki-Woo Nam

J. Ocean Eng. Technol.. 2021;35(5):327-335.

Microcracks can rapidly grow and develop in high-strength steels used in offshore structures. It is important to render these microcracks harmless to ensure the safety and reliability of offshore structures. Here, the dependence of the aspect ratio (As) of the maximum depth of harmless crack (ahlm) was evaluated under three...

Original Research Article

September 13, 2021

Prediction of Significant Wave Height in Korea Strait Using Machine Learning

Sung Boo Park, Seong Yun Shin, Kwang Hyo Jung, Byung Gook Lee

J. Ocean Eng. Technol.. 2021;35(5):336-346.

The prediction of wave conditions is crucial in the field of marine and ocean engineering. Hence, this study aims to predict the significant wave height through machine learning (ML), a soft computing method. The adopted metocean data, collected from 2012 to 2020, were obtained from the Korea Institute of Ocean...

Original Research Article

October 8, 2021

Analysis of Dynamic Response Characteristics for 5 MW Jacket-type Fixed Offshore Wind Turbine

Jaewook Kim, Sanghwan Heo, WeonCheol Koo

J. Ocean Eng. Technol.. 2021;35(5):347-359.

This study aims to evaluate the dynamic responses of the jacket-type offshore wind turbine using FAST software (Fatigue, Aerodynamics, Structures, and Turbulence). A systematic series of simulation cases of a 5 MW jacket-type offshore wind turbine, including wind-only, wave-only, wind & wave load cases are conducted. The dynamic responses of...

Original Research Article

October 20, 2021

Mechanism Development and Heading Control of Catamaran-type Sail Drone

Dong-Woo Man, Hyun-Sik Kim

J. Ocean Eng. Technol.. 2021;35(5):360-368.

The need for energy harvesting in marine environments is gradually increasing owing to the energy limitation of marine robots. To address this problem, a catamaran-type sail drone (CSD), which can harvest marine energies such as wind and solar, was proposed in a previous study. However, it was designed and manufactured...

Current Issue: Volume 35(5); Oct 2021

This archive contains links to the full-text of all issues of J. Ocean Eng. Technol..

Current issue

Volume 35(5); October

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Vol. 35
2021

v.35(1)
Feb 2021

v.35(2)
Apr 2021

v.35(3)
Jun 2021

v.35(4)
Aug 2021

v.35(5)
Oct 2021

Vol. 34
2020

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2005

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2004

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Vol. 17
2003

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Vol. 16
2002

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Vol. 15
2001

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Vol. 14
2000

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Vol. 13
1999

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Vol. 12
1998

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1997

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1993

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1991

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1990

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1989

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1988

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1987

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Dec 1987

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