Engineering Critical Assessement for an Independent Type-B LNG Cargo Tank

Jae Hoon Seo, Kyu-Sik Park, Inhwan Cha, Joonmo Choung

The demand for Liquefied Natural Gas (LNG) carriers and LNG-fueled ships has significantly increased in recent years due to the sulfur-oxide emission regulation...

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DOI: https://doi.org/10.3744/SNAK.2023.60.4.213

Scale Effect Analysis of LNG Cargo Containment System Using a Thermal Resistance Network Model

Hwalong You, Taehoon Kim, Changhyun Kim, Minchang Kim, Myungbae Kim, Yong-Shik Han, Le-Duy Nguyen, Kyungyul Chung, Byung-Il Choi, Kyu Hyung Do

In the present work, the scale effect on the Boil-Off Rate (BOR) was investigated based on an analytical method to systematically evaluate the thermal performan...

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DOI: https://doi.org/10.3744/SNAK.2023.60.4.222

Study of the Cavitation Inception Speed (CIS) Improvement Through the Propeller Design and the Stern Appendage Modification

Jong-Woo Ahn, Gun-Do Kim, Bu-Geun Paik, Young-Ha Park, Han-Shin Seol

In order to improve the propeller Cavitation Inception Speed (CIS) performance, it needs to modify the propeller geometry and the wake distribution that flows i...

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DOI: https://doi.org/10.3744/SNAK.2023.60.4.231

Numerical Analysis of Non-Axisymmetric Supercavitating Flow Around a Three-Dimensional Cavitator with an Angle of Attack

Dae-Gyu Hwang, Byoung-Kwon Ahn

In this study, morphological and hydrodynamic characteristics of the non-axisymmetric supercavity generated behind a disk-shaped cavitator were examined. By ext...

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DOI: https://doi.org/10.3744/SNAK.2023.60.4.240

Multiple PDAF Algorithm for Estimation States Multiple of the Ships

Jaeha Choi, Jeonghong Park, Minju Kang, Hyejin Kim, Wonkeun Youn

In order to implement the autonomous navigation function, it is essential to track an object within a certain radius of the ship's route. This paper proposes th...

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DOI: https://doi.org/10.3744/SNAK.2023.60.4.248

Submarine Free Running Model Development and Basic Performance Analysis

Jooho Lee, Seonhong Kim, Jihwan Shin, Jinhyeong Ahn

This paper describes the results of the development of the submarine Free Running Model (FRM). First, the goal of development was set based on the test conditio...

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DOI: https://doi.org/10.3744/SNAK.2023.60.4.256

Study on Wave Generation Technique and Estimation of Directional Wave Spectra for Multi-Directional Irregular Waves

Seunghoon Oh, Sungjun Jung, Sung-Chul Hwang, Eun-Soo Kim, Hong-Gun Sung

In this study, fundamental research is conducted for the generation technique and analysis of multi-directional irregular waves in the Deep Ocean Engineering Ba...

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DOI: https://doi.org/10.3744/SNAK.2023.60.4.266

A Study on the Static Structural Strength Evaluation of 53ft Liquefied Natural Gas Tank Container

Chunsik Shim, Hokyung Kim, Daseul Jeong, Deokyeon Lee, Kangho Kim1, Minsuk Kim, Sungkuk Wi, Heechang Noh, Youngbin Kwon, Changseok Hong, Byeonghwa Kim, Cheonghak Kim

This study aims to analyze and evaluate the structural strength of a 53ft Liquefied Natural Gas (LNG) tank container according to International Organization for...

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DOI: https://doi.org/10.3744/SNAK.2023.60.4.278

A Study on Analytical Method of Driving Characteristics of Carrier Aircraft Towing Vehicles Using Dynamic Simulation

Jaewon Oh, Sa Young Hong, Sup Hong

This paper deals with the dynamic simulation method for analysis of driving characteristics of aircraft and towing vehicles (TUG) on carrier vessel in wave moti...

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DOI: https://doi.org/10.3744/SNAK.2023.60.4.288