Probabilistic Risk Assessment Study for Operation Scenarios of Autonomous Underwater Vehicle

Seong Hyeon Kim, Ju Won Jung, Soo Bin Choi, Sun Je Kim

As the scale and complexity of unmanned systems increase, the need to generate and analyze virtual scenarios before actual operation is increasing. A scenario c...

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DOI: https://doi.org/10.3744/SNAK.2025.62.3.143

Structural Safety Assessments of an IMO Type-C LCO2 Cargo Tank

Kim Joon, Park Kyu-sik, Kim Eungsoo, Cha Inhwan, Choung Joonmo

This study aims to evaluate the structural safety of the International Maritime Organization (IMO) Type-C independent tank of a medium range liquefied CO2 (LCO2...

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DOI: https://doi.org/10.3744/SNAK.2025.62.3.153

A Feasibility Study on the Maximum Allowable Compensation Angle Considering Asymmetric Rudder Torque of Twin-Screw Ships

Youngjun You, Minwoo Kang, Seungmin Lee

In most twin-screw ships, rudders are typically synchronized for ease of rudder design and steering gear capacity decision. However, asymmetric rudder torque wa...

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DOI: https://doi.org/10.3744/SNAK.2025.62.3.161

Experimental Study on Hull Surface Pressure, Motion Response, and Added Resistance Measurements of a KLNG in Regular Waves

Dong-Min Park, Seunghyun Hwang, Yong-Ju Kwon

This study investigates the hull surface pressure measurement and analysis of the KLNG(KRISO 138K LNG Carrier) hull form under regular wave conditions. The rela...

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DOI: https://doi.org/10.3744/SNAK.2025.62.3.169

A Study on Propulsion Performance and Cavitation Test Method of Composite Propellers Using a Large Cavitation Tunnel

Sunghoon Kim, Jeongyong Park, Hyoungsuk Lee, Heeyoung Choi, Hongseok Jeong, Hanshin Seol, Myoungjin Kim

Unlike traditional metallic marine propellers, which primarily consider hydrodynamic scaling, composite propellers require consideration of hydro-elastic scalin...

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DOI: https://doi.org/10.3744/SNAK.2025.62.3.179

Numerical Study on the Open Water Performance of a Toroidal Propeller Using CFD

Myeong-Eun Kim, So-Won Jung, Bu-Geun Paik, Jong-Woo Ahn, Sang-Hwan Kim, Je-In Kim, Il-Ryong Park

This study investigates the open-water performance of a toroidal propeller proposed by through model tests and Reynolds-averaged Navier–Stokes (RANS) simulatio...

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DOI: https://doi.org/10.3744/SNAK.2025.62.3.187

Analysis of Wall Pressure Oscillations Caused by Entrapped Air During the Collision Between a Solitary Wave Propagating on a Slope and a Vertical Wall

Sangmook Shin

A developed code based on the unified conservation laws for incompressible and compressible fluids is applied to analyze wall pressure oscillations caused by en...

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DOI: https://doi.org/10.3744/SNAK.2025.62.3.199

Estimation of Manoeuvrability and Depth Control for an Underwater Vehicle near Free Surface by Free-Running Model Tests

Kunhang Yun, Sungrok Cho, Yeongjun Lee, Jeonghong Park

This paper addresses one of the methods to estimate the maneuverability of underwater vehicles, specifically the free-running model test. An underwater vehicle ...

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DOI: https://doi.org/10.3744/SNAK.2025.62.3.210