Mechanical Properties Assessment of Steels Obtained from an Aged Naval Ship

Sang-Hyun Park, Young-Sik Jang, Su-Min Lee, Sang-Rai Cho, Sang Su Jeon, Ju Young Hwang, Nam-Ki Baek

Ships operated at sea for a long time are subjected to various kinds of loads, which may cause various types of damage. Such damages will eventually reduce the ...

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DOI: https://doi.org/10.3744/SNAK.2023.60.2.65

Review of Newman-Sharma Wave Pattern Resistance Analysis Using Experimental and Computational Model Tests of KCS

Myoungsoo Kim, Minchang Kim, Jeonghwa Seo, Woochan Seok

The present study aims to review the wave pattern resistance analysis method suggested by the International Towing Tank Conference. From the experimental databa...

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DOI: https://doi.org/10.3744/SNAK.2023.60.2.76

Renewing Tonnage Taxation of Shipping in Linkage to Greenship Certification Scheme

Junkeon Ahn, Jieun Lee

Tonnage taxation has contributed to developing the Korean maritime industry through tax relief for shipping companies. The current tonnage taxation relies on th...

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DOI: https://doi.org/10.3744/SNAK.2023.60.2.86

The Study of Failure Mode Data Development and Feature Parameter’s Reliability Verification Using LSTM Algorithm for 2-Stroke Low Speed Engine for Ship’s Propulsion

Jae-Cheul Park, Hyuk-Chan Kwon, Chul-Hwan Kim, Hwa-Sup Jang

In the 4th industrial revolution, changes in the technological paradigm have had a direct impact on the maintenance system of ships. The 2-stroke low speed engi...

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DOI: https://doi.org/10.3744/SNAK.2023.60.2.95

Prediction of Ship Resistance Performance Based on the Convolutional Neural Network With Voxelization

Jongseo Park, Minjoo Choi, Gisu Song

The prediction of ship resistance performance is typically obtained by Computational Fluid Dynamics (CFD) simulations or model tests in towing tank. However, th...

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DOI: https://doi.org/10.3744/SNAK.2023.60.2.110

Experimental Study on Hydrodynamic Characteristics of Dam Break Flow for Estimation of Green Water Loading

Hyung Joon Kim, Jong Mu Kim, Jae Hong Kim, Kwang Hyo Jung, Gang Nam Lee

In this study, hydrodynamic characteristics of dam break flow were investigated by a series of experiments. The experiments were performed in a 2-D rectangular ...

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DOI: https://doi.org/10.3744/SNAK.2023.60.2.120

High-Fidelity Ship Airwake CFD Simulation Method Using Actual Large Ship Measurement and Wind Tunnel Test Results

Jindeog Chung, Taehwan Cho, Sunghoon Lee, Jaehoon Choi, Hakmin Lee

Developing high-fidelity Computational Fluid Dynamics (CFD) simulation methods used to evaluate the airwake characteristics along a flight deck of a large ship,...

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DOI: https://doi.org/10.3744/SNAK.2023.60.2.135