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EVALUATION OF THE PERFORMANCE AND EFFICIENCY OF ALTERNATIVE PROPULSION SYSTEMS FOR SMALL NAVAL VESSELS IN TROPICAL MARINE ENVIRONMENTS Alamsyah, Jaya; Jamaan, Aris; Palapa, Arika; Purnomo, Hendra; C. Budiman, Jeihn Novita
Bureaucracy Journal : Indonesia Journal of Law and Social-Political Governance Vol. 5 No. 1 (2025): Bureaucracy Journal : Indonesia Journal of Law and Social-Political Governance
Publisher : Gapenas Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53363/bureau.v5i1.562

Abstract

Background: The maritime industry is shifting towards sustainable propulsion technologies due to rising fuel costs, stringent environmental regulations, and the need for energy-efficient naval operations. Traditional diesel-powered naval vessels face operational inefficiencies and high emissions, particularly in tropical marine environments where heat and salinity impact propulsion system performance. This study evaluates the feasibility and efficiency of hybrid and electric propulsion systems for small naval vessels, considering their performance under extreme environmental conditions. Original Value: Unlike previous studies that focus on alternative propulsion in commercial vessels, this research specifically analyzes naval applications in tropical environments, addressing operational feasibility, environmental sustainability, and economic implications. Objectives: This study seeks to answer: How do hybrid and electric propulsion systems compare to traditional diesel engines in efficiency, cost-effectiveness, and environmental impact in tropical waters? Methodology: A qualitative-empirical approach was employed, integrating sensor-based propulsion performance monitoring, expert interviews, and cost-benefit analysis to evaluate fuel efficiency, emission reduction, and long-term maintenance costs. Results: The findings indicate that hybrid and electric propulsion systems significantly reduce fuel consumption (89/100), lower operational costs (91/100), and cut emissions (94/100). However, battery efficiency in high temperatures (85/100) and infrastructure readiness remain challenges. Conclusions: Hybrid propulsion emerges as the most practical solution for naval modernization, offering a balance between efficiency and cost-effectiveness, while fully electric propulsion is best suited for short-range operations.
Optimizing the Use of Electronic Navigation Devices when Sailing at Night on MV. Hijau Segar Umasangadji, Fahmi; Saleh, Sahar; Palapa, Arika; Nurmala, Eka; Murtalis, Murtalis
ALTAIR: Jurnal Transportasi dan Bahari Vol. 2 No. 1 (2025): ALTAIR - Mei 2025
Publisher : PT. Alpha Trianguli Australis

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62554/avx0hs16

Abstract

The shipping world is one of the means of sea transportation engaged in the shipping sector. When we sail at night, it takes skill in using electronic navigation devices, the use of electronic navigation devices is not only in poor conditions and when visibility is limited to cause a risk of collision when the ship is sailing at night but also helps officers on board in determining the course, position, distance of the ship with objects around the ship. This study uses a qualitative explanatory approach to understand the phenomena that enter through non-numerical data analysis. The results of this study are: 1) Procedures for using electronic navigation devices on KM. Hijau Segar include preparation of navigation devices, operation of devices, monitoring during sailing, handling disturbances, closing and storage; and 2) Obstacles and solutions to prevent disturbances in navigation devices on KM. Hijau Segar include technical obstacles, environmental disturbances, signal disturbances, limited human resources, power outages.