An Experimental Study on the Manoeuvrability of the KLNG2 with Different Speeds by Free Running Model Tests

Hoyong Park, Kunhang Yun, Dong-Jin Kim, Seung-Hyun Hwang

This study evaluates the manoeuvring performance of the KRISO LNG carrier (KLNG2) using a 1/80 scale model in Free Running Model Tests (FRMT) at full-scale spee...

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DOI: https://doi.org/10.3744/SNAK.2026.63.5.295

Structural Safety Assessment of a 15,000TEU Container Ship Considering an Increased Scallop Radius

Jeong-Woo Lee, Jae-Seung Lee, Han-Baek Ju

The hull structure is assembled by welding plates and stiffeners, and welding efficiency plays a critical role in ship production. Scallops are widely incorpora...

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DOI: https://doi.org/10.3744/SNAK.2026.63.5.303

Experimental Study on Reynolds Number Effects in Propeller Open-water Test Using a Large Cavitation Tunnel

Jisoo Han, Jaekwon Jung, Jahoon Moon

This study investigated the effects of Reynolds number (Rn) on Propeller Open-Water (POW) test results for the KP458 propeller (P/D = 0.7) using the Hanwha Ocea...

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DOI: https://doi.org/10.3744/SNAK.2026.63.5.312

An Experimental Study on the Course-changing Manoeuvrability of the KLNG2 Considering Lateral Forces

Kunhang Yun, Yeongyu Kim, Dong-Jin Kim

The application of wind-assisted propulsion systems(WAPS), such as rotor sails and wing sails, has gained increasing attention as an effective solution for redu...

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DOI: https://doi.org/10.3744/SNAK.2026.63.5.319

Development and Evaluation of ICP-based Map Matching Localization for Small Autonomous Marine Mobility

Youngjun You

With the recent advancement of autonomous marine mobility, various studies have been conducted focusing on four modules of H/W and S/W architecture: localizatio...

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DOI: https://doi.org/10.3744/SNAK.2026.63.5.328

Comparison of Machine Learning Models Based on Different Ship Hull Form Representations for Hydrodynamic Performance Prediction

Yoo-Chul Kim, Byung-Jin Byun, Seongmo Yeon, Seok-Hwan Oh, Kwang-Soo Kim, Kyung-Kyu Yang, Seung-Hyun Hwang

Accurate prediction of ship hydrodynamic performance is essential for hull form optimization during the early design stage. This study investigates two approach...

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DOI: https://doi.org/10.3744/SNAK.2026.63.5.343

Parametric Estimation of Tanker Deckhouse Volume from Direct General Arrangement Measurements

Young-Taek Sohn

This study analyses the parametric scaling of deckhouse volume () and engine casing volume () of oil tankers, based on direct measurements of general arrangemen...

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DOI: https://doi.org/10.3744/SNAK.2026.63.5.352

A Study on CFD-based Manoeuvring Performance Analysis of Ships equipped with Azimuth Thrusters

Jin Geun Bae, Sungwook Lee, KiBum Kim, Heejoon Yang, Heejung Kim

With the increasing use of azimuth thrusters in LNG bunkering vessels, concerns have arisen regarding the influence of duct side area variation on manoeuvring p...

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DOI: https://doi.org/10.3744/SNAK.2026.63.5.361

Topological Analysis of Turbulent Wake Behind a Trapezoidal Mixing Tab Using DES and Velocity Gradient Tensor Invariants

Kyung-Kyu Yang

This study numerically investigates the complex three-dimensional turbulent flow around a trapezoidal mixing tab, which acts as a vortex generator in an infrare...

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DOI: https://doi.org/10.3744/SNAK.2026.63.5.370

Development of a Towing System Design Program Based on the U.S. Navy Towing Manual

Gyeong-Won Park, Seung-ho Ham†

Marine towing is required for transporting ships and floating structures and for salvage operations of damaged vessels. Safe towing operations require the estim...

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DOI: https://doi.org/10.3744/SNAK.2026.63.5.379