Evaluation of Waterjet Cavitating Performances for a Amphibious Vehicle

Jaemoon Han, Dojun Kim, Jeongil Seo, Taehyung Kim, Gundo Kim, Jinsuk Lee

Cavitation tests for a waterjet propulsor of an amphibious vehicle are carried out in the Large Cavitation Tunnel. Waterjet pump performances and cavitation cha...

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DOI: https://doi.org/10.3744/SNAK.2023.60.5.296

A Study on Relative Wave Elevation Measurement of KSUPRAMAX-O in Regular Waves

Dong-Min Park, Yong-Ju Kwon, Gun Woo Kim, Hyunseung Nam, Seunghyun Hwang

This study focuses on measuring the relative wave elevation around the KSUPRAMAX-O ship and comparing it with numerical analysis results (potential and computat...

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DOI: https://doi.org/10.3744/SNAK.2023.60.5.305

A Study on Soft-Mooring Model Test Techniques for the Evaluation of Added Resistance on Ships

Min-Guk Seo, In Bo Park, Dong-Min Park, Seunghyun Hwang

In this study, a model test was conducted using the soft-mooring technique to evaluate the added resistance of the ship in waves. The study also examined the sp...

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DOI: https://doi.org/10.3744/SNAK.2023.60.5.320

Development of Hull Form Optimization Method for Improving Resistance Performance of Small Catamaran

Jung Yoon Park, Jonghyeon Lee, Janghoon Seo, Dong-Woo Park

The present study established hull form optimization for small catamaran based on variations of knuckle lines. Four knuckle lines below the free surface were em...

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DOI: https://doi.org/10.3744/SNAK.2023.60.5.332

On the Interaction of a Solitary Wave and a Wave-Packet

Jong Eon Kim, Taek Soo Jang

In this paper, numerical experiments are performed to examine the collision between a solitary wave and a wave-packet (dispersive wave) in shallow water. We att...

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DOI: https://doi.org/10.3744/SNAK.2023.60.5.341

Experimental Study on the Effects of Surface Shape and Roughness on the Magnus Effect of Rotor Sails

Young-Jin Kim, Jae-Yeun Hwang, Byoung-Kwon Ahn

In this study, we devised methods to enhance the efficiency of rotor sails which have been applied as one of the energy saving devices of ships. The idea of the...

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DOI: https://doi.org/10.3744/SNAK.2023.60.5.351

Analysis of Life Cycle Assessment (LCA) for Sustainable Basic Design Alternatives for Medium-Sized LNG-DF Propulsion Ship

Ki Seok Jung, Dong Kun Lee

Due to the International Maritime Organization's (IMO) environmental regulations on NOx and SOx, LNG-fueled eco-friendly ships are gaining attention worldwide, ...

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DOI: https://doi.org/10.3744/SNAK.2023.60.5.358

Development of a Work Environment Monitoring System for Improving HSE and Production Information Management Within a Shipyard Based on Wireless Communication

Chunsik Shim, Jaeseon Yum, Kangho Kim, Daseul Jeong, Hwanseok Gim, Donggeon Kim, Donghyun Lee, Yerin Cho, Byeonghwa Kim

As the Fourth Industrial Revolution accelerating, countries worldwide are developing technologies to digitize and automate various industrial sectors. Building ...

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DOI: https://doi.org/10.3744/SNAK.2023.60.5.367

A Fundamental Study of VIV Fatigue Analysis Procedure for Dynamic Power Cables Subjected to Severely Sheared Currents

Chunsik Shim, Min Suk Kim, Chulmin Kim, Yuho Rho, Jeabok Lee, Kwangsu Chea, Kangho Kim, Daseul Jeong

The subsea power cables are increasingly important for harvesting renewable energies as we develop offshore wind farms located at a long distance from shore. Pa...

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DOI: https://doi.org/10.3744/SNAK.2023.60.5.375

Characterizing the Natural Frequencies of Three Small Aluminum Fishing Boats

Daehyeon Kim, Hyeonjin Hong, Sangmok Lee, Yeong-Tae Son, Byungyoung Moon

As the government encourages the replacement of small FRP ships with eco-friendly aluminum ships due to environmental pollution problems, interest and demand fo...

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DOI: https://doi.org/10.3744/SNAK.2023.60.5.388