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All Journal Indonesian Journal of Maritime Technology or abbreviated (ISMATECH)
Zaed Yuliadi, Mochamad
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Civil Engineering, Building, Construction & Architecture Control & Systems Engineering Industrial & Manufacturing Engineering Mechanical Engineering Transportation

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Ship Design Based on Extreme Waves Imawan Santosa, Pramudya; Zaed Yuliadi, Mochamad; Fajar, Achmad; Suardi, Suardi; Ayu Nastiti, Yulia; Pranatal, Erifiive
Indonesian Journal of Maritime Technology Vol. 3 No. 1 (2025): Volume 3 Issue 1, June 2025
Publisher : Naval Architecture Department, Kalimantan Institut of Technology

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35718/ismatech.v3i1.8481353

Abstract

Recent studies have revealed that extreme waves (also known as freak waves), with heights ranging from 20 to 30 meters, occur more frequently than previously assumed. Over the past decades, numerous large commercial vessels have been lost due to incidents involving such anomalous wave phenomena. However, the current design criteria outlined in the 2022 BKI (Biro Klasifikasi Indonesia) Consolidation still consider significant wave heights of less than 11 meters, which is increasingly recognized as inadequate for modern oceanic conditions. This study aims to evaluate and propose ship design parameters that account for extreme wave conditions by incorporating significant wave heights of up to 30 meters into the safety analysis. The methodology involves a comparative analysis between the conventional design standards and a revised model that integrates dynamic wave impact forces as a crucial factor in determining the structural dimensions and stability of ships. The findings indicate that designing ships with consideration of extreme wave scenarios is not only feasible but also necessary to enhance vessel resilience and reduce the risk of capsizing and sinking. This research underscores the urgent need for updating maritime safety regulations and design frameworks in response to evolving oceanographic realities, thereby contributing to the development of safer and more robust marine transportation systems.
Carbon Capture Storage System on the Ship Imawan Santosa, Pramudya; Erifive, Pranata; Suardi, Suardi; Zaed Yuliadi, Mochamad; Pradityana, Atria; Ayu Nastiti, Yulia
Indonesian Journal of Maritime Technology Vol. 3 No. 1 (2025): Volume 3 Issue 1, June 2025
Publisher : Naval Architecture Department, Kalimantan Institut of Technology

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35718/ismatech.v3i1.8481354

Abstract

Carbon Capture and Storage (CCS) is one of the global warming mitigation technology systems by reducing CO2 emissions into the atmosphere. This system is a series of implementations of processes that are related to each other, starting from the separation and capture of CO2 from the source of exhaust emissions (flue gas), transportation of captured CO2 to storage (transportation), and storage to a safe place (storage). If these emissions are released in large quantities, it will certainly cause various problems such as Global Warming. In the maritime transportation sector, one of the emissions that is widely produced by ships is exhaust gas from the ship's main engine when operating which is released into the atmosphere through the Funnel (chimney). One method that can be done is to separate carbon dioxide gas (CO2) contained in the exhaust gas with Membrane Technology placed on the Funnel. Technical analyzes is done by testing the vessel model then the results are developed with naval theories. This article will discuss how to filter carbon dioxide gas and membrane technology that can be used on ships.
Co-Authors Ayu Nastiti, Yulia Erifive, Pranata Fajar, Achmad Imawan Santosa, Pramudya Pradityana, Atria Pranatal, Erifiive Suardi, Suardi