Operability Assessment of a Naval Vessel in Seaways Based on Seakeeping Performance and Operation Scenario

Sungeun Choi, Kiwon Kim, Hoyong Kim, Jeonghwa Seo, Kyung-Kyu Yang, Shin Hyung Rhee, Beomjin Kim

The present study concerns assessing the operability of a surface combatant, based on the Percent-Time-Operable (PTO). For validation of the seakeeping analysis...

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DOI: https://doi.org/10.3744/SNAK.2022.59.5.252

A Study on the Manoeuvrability of 1/42.0 Scaled KCS

Kunhang Yun, Dong Jin Kim, SeongMo Yeon, Yoo-Chul Kim, Yeon Gyu Kim, Kyung-Kyu Yang

The emergence of new concept ships, such as autonomous ships, has drawn much attention on the manoeuvrability of ships because of the safe navigation and operat...

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DOI: https://doi.org/10.3744/SNAK.2022.59.5.262

Study of the Self-Propulsion Test and Analysis for a Pumpjet Propulsor in LCT

Jong-Woo Ahn, Han-Shin Seol, Hong-Seok Jung, Young-Ha Park

In order to study the self-propulsion test and analysis techniques for the submerged body with pumpjet propulsors in the Large Cavitation Tunnel (LCT), at the K...

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DOI: https://doi.org/10.3744/SNAK.2022.59.5.271

Development of Wireless Communication Based Operation State Monitoring System for Open Rack Vaporizer

Seung-Yeol Yoo, Ming-Sung Joen, Jae-Chul Lee, Dong-Hoon Kang, Dong-Goen Kim, Soon-Sup Lee

An open rack vaporizer is a facility that vaporizes liquefied natural gas using sea water. When a vaporization efficiency of the open rack vaporizer decreases, ...

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DOI: https://doi.org/10.3744/SNAK.2022.59.5.280

A Captive Model Test on Hydrodynamic Force and Neutral Level Flight of BB2 Submarine in Straight Operation at Near Free Surface with Different Depths

Chang-Seop Kwon, Dong-Jin Kim, Kunhang Yun, Yeon-Gyu Kim

In this study, the force and moment acting on a Joubert BB2 submarine model at depths near the free surface were measured through a captive model test with the ...

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DOI: https://doi.org/10.3744/SNAK.2022.59.5.288

A Study on the Captive Model Test of KCS in Regular Waves

Hujae Choi, Dong Jin Kim, Yeon Gyu Kim, Dong Jin Yeo, Kunhang Yun, Gyeongjung Lee

In order to investigate maneuvering characteristics of KCS in waves, captive model test in regular waves was conducted. Purpose of the test is measuring maneuve...

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DOI: https://doi.org/10.3744/SNAK.2022.59.5.296

Design of Guidance and Control System for X-plane Submarine

Jong-Yong Park, Youngjun You, Myungjun Jeon, Hyeon-Kyu Yoon

Most submarines use the cross-plane, which is convenient and inexpensive, but the number of submarines equipped with an X-plane is increasing recently. This stu...

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DOI: https://doi.org/10.3744/SNAK.2022.59.5.306

A Study on the Automatic Matching Algorithm of Transporter and Working Block for Block Logistics Management

Jin-Ho Song, Kwang-Phil Park, Jin-Sung Ok

During the shipbuilding process, many blocks are moved between shipyard workshops by block carrying vehicles called a transporter. Because block logistics manag...

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DOI: https://doi.org/10.3744/SNAK.2022.59.5.314

A Study on the Standard for the Safety Zone in the Domestic LNG TTS Bunkering

Sung-In Park, Jae Seung Roh, Jaehee Park, Kyoungmin Park, Dongkyu Shin

This paper suggests an example guideline of a safety zone layout for the domestic LNG Truck-To-Ship (TTS) bunkering. The safety zone is one of the controlled ar...

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DOI: https://doi.org/10.3744/SNAK.2022.59.5.323

PointNet and RandLA-Net Algorithms for Object Detection using 3D Point Clouds

Dong-Kun Lee, Seung-Hwan Ji, Bon-Yeong Park

Research on object detection algorithms using 2D data has already progressed to the level of commercialization and is being applied to various manufacturing ind...

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DOI: https://doi.org/10.3744/SNAK.2022.59.5.330