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Original Research Article

April 25, 2022

Effect of Free Surface Based on Submergence Depth of Underwater Vehicle

Taek-Geun Youn, Min-Jae Kim, Moon-Chan Kim, Jin-Gu Kang

J. Ocean Eng. Technol.. 2022;36(2):83-90.

This paper presents the minimum submergence depth of an underwater vehicle that can remove the effect of free surface on the resistance of the underwater vehicle. The total resistance of the underwater vehicle in fully submerged modes comprises only viscous pressure and friction resistances, and no wave resistance should be...

Original Research Article

April 15, 2022

Change in Turning Ability According to the Side Fin Angle of a Ship Based on a Mathematical Model

WangGook Lee, Sang-Hyun Kim, DooJin Jung, Sooyeon Kwon

J. Ocean Eng. Technol.. 2022;36(2):91-100.

In general, the effect of roll motion is not considered in the study on maneuverability in calm water. However, for high-speed twin-screw ships such as the DTMB 5415, the coupling...

Original Research Article

April 12, 2022

A Fourier Series Approximation for Deep-water Waves

JangRyong Shin

J. Ocean Eng. Technol.. 2022;36(2):101-107.

Dean (1965) proposed the use of the root mean square error (RMSE) in the dynamic free surface boundary condition (DFSBC) and kinematic free-surface boundary condition (KFSBC) as an error evaluation criterion for wave theories. There are well known wave theories with RMSE more than 1%, such as Airy theory, Stokes...

Original Research Article

March 31, 2022

Analysis of Steady Vortex Rings Using Contour Dynamics Method for Fluid Velocity

Yoon-Rak Choi

J. Ocean Eng. Technol.. 2022;36(2):108-114.

Most studies on the shape of the steady vortex ring have been based on the Stokes stream function approach. In this study, the velocity approach is introduced as a trial approach. A contour dynamics method for fluid velocity is used to analyze the Norbury–Fraenkel family of vortex rings. Analytic integration...

Original Research Article

March 30, 2022

Preliminary Study on Deformation During Hydrostatic Testing in a Deep Tank

Geun-Gon Kim, Tae-Hyun An, Tak-Kee Lee

J. Ocean Eng. Technol.. 2022;36(2):115-124.

There are many different types of tanks on ships that meet various requirements. Each tank is required to undergo hydrostatic testing according to the Ship Safety Act after being installed onboard. In some hydrostatic tests, excessive deformation may occur. The overpressure of the air in the tank generated during testing...

Current Issue: Volume 36(2); Apr 2022


Effect of Free Surface Based on Submergence Depth of Underwater Vehicle: Taek-Geun Youn, Min-Jae Kim, Moon-Chan Kim, Jin-Gu Kang; J. Ocean Eng. Technol. 2022;36(2):83-90. Published online April 25, 2022; DOI: https://doi.org/10.26748/KSOE.2021.077; Full text PubReader ePub Crossref - TDM PDF PDF(Korean)


Change in Turning Ability According to the Side Fin Angle of a Ship Based on a Mathematical Model: WangGook Lee, Sang-Hyun Kim, DooJin Jung, Sooyeon Kwon; J. Ocean Eng. Technol. 2022;36(2):91-100. Published online April 15, 2022; DOI: https://doi.org/10.26748/KSOE.2021.099; Full text PubReader ePub Crossref - TDM PDF


A Fourier Series Approximation for Deep-water Waves: JangRyong Shin; J. Ocean Eng. Technol. 2022;36(2):101-107. Published online April 12, 2022; DOI: https://doi.org/10.26748/KSOE.2021.092; Full text PubReader ePub Crossref - TDM PDF


Analysis of Steady Vortex Rings Using Contour Dynamics Method for Fluid Velocity: Yoon-Rak Choi; J. Ocean Eng. Technol. 2022;36(2):108-114. Published online March 31, 2022; DOI: https://doi.org/10.26748/KSOE.2021.070; Full text PubReader ePub Crossref - TDM PDF


Preliminary Study on Deformation During Hydrostatic Testing in a Deep Tank: Geun-Gon Kim, Tae-Hyun An, Tak-Kee Lee; J. Ocean Eng. Technol. 2022;36(2):115-124. Published online March 30, 2022; DOI: https://doi.org/10.26748/KSOE.2021.075; Full text PubReader ePub Crossref - TDM PDF PDF(Korean)


Study on Standardization Methods for Reducing Revision Rate of Hull Production Design: Tae-Hyun An, Tak-Kee Lee; J. Ocean Eng. Technol. 2022;36(2):125-131. Published online April 29, 2022; DOI: https://doi.org/10.26748/KSOE.2021.088; Full text PubReader ePub Crossref - TDM PDF PDF(Korean)


Numerical Investigation of Multi-body Wave Energy Converters’ Configuration: Kyeonguk Heo, Yoon-Rak Choi; J. Ocean Eng. Technol. 2022;36(2):132-142. Published online April 12, 2022; DOI: https://doi.org/10.26748/KSOE.2022.002; Full text PubReader ePub Crossref - TDM PDF

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