Study of the Self-Propulsion Test and Analysis for the Submerged Body in LCT

Jong-Woo Ahn, Han-Shin Seol, Young-Yeon Lee, Young-Ha Park

In order to study the self-propulsion test and analysis techniques for the submerged body in Large Cavitation Tunnel (LCT). DARPA Suboff, a submarine model publ...

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DOI: https://doi.org/10.3744/SNAK.2021.58.2.058

Mechanical Properties Analysis of Epoxy and Polyurethane Adhesive for Accurate Structural Analysis of LNG Cargo Hold

Yong-Cheol Jeong, Yeon-Jae Jeong, Jeong-Dae Kim, Seong-Bo Park, Yong-Tai Kim, Hoon-Gyu Oh, Jae-Myung Lee

As the demand for natural gas that satisfies environmental regulations increases, the quantities of natural gas cargo that carrier can load is also increasing. ...

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DOI: https://doi.org/10.3744/SNAK.2021.58.2.066

Numerical Simulation of the Flow Around the SUBOFF Submarine Model Using a DES Method

Sung-Bu Suh, Il-Ryong Park

In this study, the numerical investigation of the flow around the SUBOFF submarine model is performed by using the Detached Eddy Simulation (DES) method which i...

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DOI: https://doi.org/10.3744/SNAK.2021.58.2.073

Quasi-Static Analysis of Block Impact Against the Ground Due to Sling Failure During Block Lifting

Seon-Yeob Kim, Tak-Kee Lee, Jung-Ho Yoon

Recently, shipyards are making many efforts to reduce the number of the mounted blocks by increasing the block size. This is to improve productivity and reduce ...

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DOI: https://doi.org/10.3744/SNAK.2021.58.2.084

Numerical Analysis of Free-Surface Flows Using Improved Adaptable Surface Particle Method Based on Grid System

Young-Seop Shin

In this study, the method of determining the state of grid points in the adaptable surface particle method based on grid system developed as a free-surface trac...

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DOI: https://doi.org/10.3744/SNAK.2021.58.2.090

A Study on the Stern Bearing Damage and Shaft Alignment for 37K DWT Product/Chemical Tanker

Geumsung Park, Changik Koh, Jaewook Chung, Gunsik Nam, Junsik Chae

Together with the emerging of the Eco-ship, the application of large-diameter and high-efficiency propeller required more careful attention than before in the d...

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DOI: https://doi.org/10.3744/SNAK.2021.58.2.097

A Study on Autonomous Cavitation Image Recognition Using Deep Learning Technology

Bahan Ji, Byoung-Kwon Ahn

The main source of underwater radiated noise of ships is cavitation generated by propeller blades. After the Cavitation Inception Speed (CIS), noise level at al...

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DOI: https://doi.org/10.3744/SNAK.2021.58.2.105

On the Design of Novel Hybrid Wave Generator

Hyochul Kim, Jungkeun Oh

The novel wave generating system of a wave flume has been devised by utilizing the analytic solution of wave board motion in idealized two dimensional space. Th...

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DOI: https://doi.org/10.3744/SNAK.2021.58.2.112

Development of Autonomous Algorithm for Boat Using Robot Operating System

Hyun-Jae Jo, Jung-Hyeon Kim, Su-Rim Kim, Ju-Hyun Woo, Jong-Yong Park

According to the increasing interest and demand for the Autonomous Surface Vessels (ASV), the autonomous navigation system is being developed such as obstacle d...

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DOI: https://doi.org/10.3744/SNAK.2021.58.2.121