Effects of Aramid Fiber on the Mechanical Properties of Secondary Barrier for LNG Cargo Containment System

Seoung-Gil Bang, Dong-Ju Yeom, Yeon-Jae Jeong, Hee-Tae Kim, Jeong-Dae Kim, Jae-Myung Lee

Recently, although the size of the LNG Cargo Containment System (CCS) has been increasing, the secondary barrier is reported to remain unchanged, and the conven...

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DOI: https://doi.org/10.3744/SNAK.2021.58.4.206

A Numerical Study on the Characteristics of the Supercavitation and Hydrodynamic Forces Generated in a Supercavitating Underwater Vehicle with Angle of Attack

Yunho Jeon, Jeonghoon Park, Kwansoo Jeon

Recently, as the technology of the supercavitating underwater vehicle is improved, The necessity of research for maneuvering characteristics of the supercavitat...

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DOI: https://doi.org/10.3744/SNAK.2021.58.4.214

An Experimental Study on the Charging/Discharging Characteristics and Safety of Lithium-Ion Battery System for Submarine Propulsion

Beomseog Kim, Seung hyun Sohn, Seokjoong Kang

Conventional submarine propulsion batteries have mainly used lead acid batteries, which have proved relatively safe, but in recent years, research on mounting l...

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DOI: https://doi.org/10.3744/SNAK.2021.58.4.225

Powering Performance Prediction of Low-Speed Full Ships and Container Carriers Using Statistical Approach

Yoo-Chul Kim, Gun-Do Kim, Myung-Soo Kim, Seung-Hyun Hwang, Kwang-Soo Kim, Sung-Mo Yeon, Young-Yeon Lee

In this study, we introduce the prediction of brake power for low-speed full ships and container carriers using the linear regression and a machine learning app...

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DOI: https://doi.org/10.3744/SNAK.2021.58.4.234

Towed Underwater LDV Measurement of the Interaction of a Wire-Type Stimulator and the Boundary Layer on a Flat Plate

Jongyeol Park, Jeonghwa Seo, Shin Hyung Rhee

The present study aims to investigate the interaction of a wire-type turbulence stimulator and the laminar boundary layer on a flat plate by flow field measurem...

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DOI: https://doi.org/10.3744/SNAK.2021.58.4.243

Evaluation of Maneuverability in Still Water of an Unmanned Surface Vehicle through Sea Trials

Myung-Jun Jeon, Hyeon-Kyu Yoon, Jea-Kwan Ryu, Won-Hee Lee, Pyung-Mo Ku

This paper describes the process of evaluating maneuverability in still water of an unmanned surface vehicle based on data measured by performing sea trials. Fi...

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DOI: https://doi.org/10.3744/SNAK.2021.58.4.253

Applicability Assessment of　Epoxy Resin Reinforced Glass Fiber Composites Through Mechanical Properties in Cryogenic Environment for LNG CCS

Dong-Ju Yeom, Seoung-Gil Bang, Yeon-Jae Jeong, Hee-Tae Kim, Seong-Bo Park, Yong-Tai Kim, Hoon-Gyu Oh, Jae-Myung Lee

Consumption of Liquefied Natural Gas (LNG) has increased due to environmental pollution; therefore, the need for LNG carriers can efficiently transport large qu...

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DOI: https://doi.org/10.3744/SNAK.2021.58.4.262