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Original Research Article

October 21, 2024

Analysis of the Impact of Dynamic Operation of PEMFCs for Ship Applications

Jae Hong Kim, Seon Hyeong Lee, Jae Heon Kwon, Ryu Bin Kwon, Kwang Hyo Jung, et al.

J. Ocean Eng. Technol.. 2024;38(5):199-209.

Dynamic responses of polymer electrolyte membrane fuel cells (PEMFC) were analyzed under varying loads to understand the performance of PEMFCs for ship applications. Experiments employing single cells were conducted under a static load with a constant current of 6.64 A and dynamic loads at a ramp rate of 2.5%/s and...

Original Research Article

October 23, 2024

Development and Validation of a Point Cloud Data Processing Algorithm for Obstacle Recognition in Double Hull Block

Sol Ha, Namkug Ku

J. Ocean Eng. Technol.. 2024;38(5):210-217.

Shipyards have recently been experiencing severe labor shortages, prompting increased adoption of production automation systems to mitigate this issue. This paper introduces a point cloud data acquisition and processing system...

Original Research Article

October 16, 2024

An Experimental Study of Wave Impact Loads on an FPSO Bow in 2D Wave-Tank

Dong-Min Park, Byoungjae Park, Kangsu Lee

J. Ocean Eng. Technol.. 2024;38(5):218-231.

In harsh environments, an floating production storage and offloading (FPSO) is occasionally damaged by impact loads, such as bow flare slamming and green water. This study conducted an impact load measurement experiment on a model of an FPSO bow in a 2D wave tank. Three types of frequency-focused waves (steep,...

Original Research Article

October 25, 2024

Comparison Study on the Fatigue Damage of a Container Ship Applying Hydroelastic Fatigue Analysis Procedures of LR and BV Classification Societies

Jun-Bum Park

J. Ocean Eng. Technol.. 2024;38(5):232-244.

Container ships, which have hatch openings, are subject to low natural frequencies and exhibit elastic behavior due to wave loads, a phenomenon referred to as the hydroelastic effect. Classification societies...

Original Research Article

October 21, 2024

Optimization of BOG Reliquefaction Process of Carbon Dioxide Considering Nitrogen Content

Ijun Jeong, Youngsub Lim

J. Ocean Eng. Technol.. 2024;38(5):245-256.

As the importance of carbon capture and storage (CCS) technology increases for greenhouse gas reduction, CO2 transportation technology is also becoming crucial. Efficiently handling boil-off gas (BOG) generated during voyages is particularly important. This paper proposes a process incorporating two-stage separation and mixed refrigerants to reliquefy CO2 BOG containing nitrogen...

Current Issue: Volume 38(5); Oct 2024


Stress Estimation Based on Stochastic Method for Strength Evaluation of Floating Wind Turbines: Byungmo Kim, Beomil Kim; Received November 2, 2024 Accepted November 18, 2024 Published online December 12, 2024; DOI: https://doi.org/10.26748/KSOE.2024.090 [Articles in press]; PDF


Hazard Identification of Ammonia FSS for Ammonia Fuelled Ammonia Carrier: Eunyoung Park, Youngkyun Seo, Seongjong Han, Meangik Cho; Received September 30, 2024 Accepted October 23, 2024 Published online December 6, 2024; DOI: https://doi.org/10.26748/KSOE.2024.078 [Articles in press]; PDF


Numerical Analysis of the Effect of an Inverted Cone Angle on the Penetration Behavior of the Jack-Up Leg Foundation for Offshore Wind Turbines in Uniform Clay: Angelica Gilo, Min Jy Lee, Yun Wook Choo; Received October 31, 2024 Accepted November 17, 2024 Published online December 3, 2024; DOI: https://doi.org/10.26748/KSOE.2024.089 [Articles in press]; PDF


Evaluation of the Seakeeping Performance Indices for Enhancing Crew Safety and Workability in Small Fishing Vessels: Dong-Woo Park, Kidong Lee, Janghoon Seo; Received July 30, 2024 Accepted October 21, 2024 Published online December 2, 2024; DOI: https://doi.org/10.26748/KSOE.2024.068 [Articles in press]; PDF


Experimental Analysis of Dynamic Response and Stability of Capsized Tugboat Under Varied Wave Conditions: Donghyup Youn, JaeWook Jang, JungHwi Kim; Received September 12, 2024 Accepted November 7, 2024 Published online November 29, 2024; DOI: https://doi.org/10.26748/KSOE.2024.075 [Articles in press]; PDF


Study for Filling Missing Wave Data in Geomundo Ocean Buoy Using Artificial Neural Networks: Seongyun Shin, Seonghyun Park, Kwang Hyo Jung, Sung Boo Park; Received July 26, 2024 Accepted October 8, 2024 Published online November 29, 2024; DOI: https://doi.org/10.26748/KSOE.2024.065 [Articles in press]; PDF


Techno-economic Assessment of Floating Offshore Wind Energy in the Philippines: Alec Venzo Abella, John Michael Pasaraba, Job Immanuel Encarnacion; Received October 18, 2024 Accepted November 6, 2024 Published online November 28, 2024; DOI: https://doi.org/10.26748/KSOE.2024.085 [Articles in press]; PDF


Estimation Methods for the Roll Damping Ratio of Floating Structures: Hyun Jung Park, Yong Jae Jung, Kwang Hyo Jung, Sung Boo Park, Yong Ho Choi, Yun Suk Chung, Seung Jae Lee; Received October 4, 2024 Accepted October 31, 2024 Published online November 28, 2024; DOI: https://doi.org/10.26748/KSOE.2024.080 [Articles in press]; PDF

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