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International Journal of Marine Engineering and Applications Department of Marine Engineering, Universitas Hang Tuah Jl. Arief Rahman Hakim No.150, Surabaya, Jawa Timur, Indonesia 60111
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International Journal of Marine Engineering and Applications
Published by Universitas Hang Tuah
ISSN : -     EISSN : 3063640X     DOI : https://doi.org/10.30649/ijmea.v2i2
Core Subject : Science, Engineering,
Control & Systems Engineering Energy Engineering Mechanical Engineering Transportation
International Journal of Marine Engineering and Applications is a peer-reviewed, open-access journal dedicated to advancing the field of marine engineering and its diverse applications. With a focus on promoting high-quality research and innovative solutions, IJMEA is a premier platform for researchers, engineers, academicians, and practitioners worldwide. At IJMEA, our mission is to facilitate the dissemination of high-quality research and development in marine engineering and related areas, fostering collaboration and knowledge exchange among experts from various disciplines. We aim to contribute to the sustainable advancement of marine technology, addressing challenges and exploring opportunities in maritime industries and marine sciences. IJMEA welcomes original research articles, review papers, technical notes, and case studies covering a broad spectrum of topics in marine engineering and applications, including but not limited to: - Ship design, construction, and operation - Marine engineering - Marine production and manufacture - Naval architecture - Marine propulsion systems - Mechanical engineering - Offshore engineering - Ocean renewable energy - Maritime safety and environmental protection - Coastal engineering - Marine robotics and autonomous systems - Underwater technology - Marine materials and corrosion - Port and harbor engineering - Marine resource management
Arjuna Subject : Teknik (semua kategori) - Teknik (Lain-Lain)
Articles 17 Documents
 1   2 
IMPACT ANALYSIS OF THE FUJI LESTARI PROGRAM ON FISH RESOURCE RECOVERY AND THE ADVANCEMENT OF SUSTAINABLE DEVELOPMENT GOAL 14 (LIFE BELOW WATER) IN THE JAVA SEA (FISHERIES MANAGEMENT AREA 712), INDONESIA Nugraha Hasan, Reza Adhitama; Rahardjo, Oktavian; Bachtiar, Naila Taslimah
IJMEA Journal Kedokteran Gigi Vol 2 No 1 (2025): March 2025
Publisher : Department of Marine Engineering, Universitas Hang Tuah

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30649/ijmea.v2i1.380

Abstract

The Fuji Lestari program, implemented regularly by the Ministry of Marine Affairs and Fisheries (KKP) through the Fishing Technology Center (BBPI), aims to restore fishery resources. The Java Sea (FMA-712), characterized by the highest population of fishers, has been categorized as fully exploited, necessitating the Fuji Lestari program to restore its condition. This study evaluates the program's impacts in Bangsring waters, Banyuwangi Regency (2011); Panjang Island, Jepara Regency (2021); and Karang Jeruk, Tegal Regency (2024). The methodology included field observations, underwater visual census (UVC), and interviews using purposive sampling targeting program beneficiaries. Data analysis assessed ecological and economic impacts. Ecological impacts included changes in coral cover in Bangsring and Panjang Island, as well as increases in fish abundance and diversity in Karang Jeruk. Economic impacts were analyzed by calculating the total economic valuation (TEV) for the three locations. Results show a significant increase in live coral cover of 2.4 hectares in Bangsring waters and 1 hectare in Panjang Island waters. In Karang Jeruk, reef-associated fish species increased from 6 to 12 species, with a diversity index rising from 1.49 to 1.71. The TEV from direct, indirect, existence, and option benefits in Bangsring, Banyuwangi Regency was IDR 11,856,378,385; Panjang Island, Jepara Regency was IDR 5,136,896,500; and Karang Jeruk, Tegal Regency was IDR 9,655,638,600. Variations in impact across regions depended on environmental damage levels and the characteristics of fisher beneficiaries. Furthermore, stakeholder collaboration is crucial in optimizing existing opportunities to ensure the program's future success.
SHIP RESISTANCE ANALYSIS WATERJET REMOTELY OPERATED VEHICLE (ROV) USING COMPUTATIONAL FLUID DYNAMICS (CFD) METHOD Kause, Eurico Leonardo; Susanto, Tri
IJMEA Journal Kedokteran Gigi Vol 2 No 1 (2025): March 2025
Publisher : Department of Marine Engineering, Universitas Hang Tuah

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30649/ijmea.v2i1.381

Abstract

The propulsion system is a system that supports the performance of high-speed ships. Waterjet ship propulsion systems have long been known and used as propulsion systems for various types of ships, but their widespread application is still subject to their relatively low propulsive efficiency when compared to ship propulsion systems that use propellers, especially during relatively low ship speeds. The usual problem with ROVs using conventional propellers when inspecting in low water in the river is the blockage of river impurities, such as water hyacinths and underwater roots, on the ROV propellers. But there is a limitation to the problem when this waterjet is installed on the ROV should be used on inspections that do not work on the seabed, and the ROV can only be in a hovering position because the waterjet is susceptible to dirt. The purpose of this study was to analyze the ship's resistance of the waterjet remotely operated vehicle (ROV) propulsion system with the results of simulating the effect of the Waterjet ROV design on the total resistance of the Waterjet ROV increased by 5.69 N using the CFD method and the difference in prisoner comparison using the maxsurf method was 1.75%. The thrust analysis of the ROV model with a waterjet propulsion system has a higher thrust increase of 9.21 N when compared to the ROV model with a conventional propeller propulsion system, with a thrust value of 6.94 N. From the analysis of the fluid velocity contour results of the two best ROV models, namely the Waterjet ROV because the placement of the waterjet position on the outer side of the ROV frame so that the placement of the original Propeller inside the inner frame of the ROV is released as a result it tends not to create more turbulence and friction in the water in the middle of the ROV but the surface of the ROV frame on the outside which is added waterjet propulsion components causes higher hydrodynamic pressure.
STRENGTHENING CYBER SECURITY IN PORT FACILITIES: NEW THREATS AND MITIGATION STRATEGIES Saputra, Toto Dwijaya; Marsudi, Sugeng
IJMEA International Journal of Marine Engineering and Applications Vol 3 No 1 (2026): March 2026
Publisher : Department of Marine Engineering, Universitas Hang Tuah

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30649/ijmea.v3i1.390

Abstract

The development of digital technology and automation in port facilities increases the risk of cyberattacks that can disrupt logistics operations and maritime security. According to a recent report, 72% of port facilities in Indonesia have experienced attempted cyberattacks in the past three years, with potential losses reaching USD 5.2 million per incident. This study aims to analyze cyberthreats in port facilities and evaluate mitigation strategies. The research method used was descriptive quantitative, with data collected through a survey of 120 port security officers, interviews with 15 operational managers, and an analysis of 10 related cybersecurity policy documents. The results showed that 68% of facilities had a moderate to low level of cybersecurity readiness, 74% of respondents emphasized the importance of human resource training, and 63% of facilities had not implemented a real-time intrusion detection system. Recommended mitigation strategies include the implementation of comprehensive network security protocols, multi-layered digital surveillance, and regular training programs for all personnel. These findings emphasize the urgency of integrating cybersecurity policies with daily port operations to reduce the risk of disruption, improve operational reliability, and minimize economic losses.
IMPLEMENTATION OF RCM IN MAINTENANCE STRATEGY OF FO SYSTEM, LO SYSTEM, AND COOLING SYSTEM MAIN ENGINE Yudo, Hartono; Nizar, Vania Early; Hadi, Eko Sasmito; Mulyatno, Imam Pudjo
IJMEA International Journal of Marine Engineering and Applications Vol 3 No 1 (2026): March 2026
Publisher : Department of Marine Engineering, Universitas Hang Tuah

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30649/ijmea.v3i1.395

Abstract

The performance of a ship’s main engine largely depends on the reliability of its three primary subsystems: fuel, lubricating, and cooling. These systems must operate optimally to ensure efficiency and safety under varying operational conditions. This study evaluates the reliability of the KM. Lawit main engine subsystems using the Reliability Centered Maintenance (RCM) approach. Four analytical methods were applied: Failure Mode and Effect Analysis (FMEA) to identify critical components, Fault Tree Analysis (FTA) to trace root causes of failures, Reliability Block Diagram (RBD) to model interrelationships, and Monte Carlo simulation to estimate system reliability probabilistically. The analysis was based on operational and maintenance data from 2023–2024. FMEA identified the duplex filter in the fuel system (RPN = 288), the lubricating oil filter (RPN = 280), and the expansion tank in the cooling system (RPN = 140) as the most critical components requiring priority maintenance. Monte Carlo simulation over a 3,250-hour period showed the cooling system achieved the highest reliability, with a Mean Time to Failure (MTTF) of 1,022.21 hours and a Mean Time Between Failures (MTBF) of 7,587.47 hours. Across all systems, availability levels exceeded 99%, indicating strong reliability and minimal risk of operational failure. These findings highlight the effectiveness of integrating FMEA, FTA, RBD, and Monte Carlo simulation within the RCM framework. The results emphasize the need for preventive maintenance strategies to sustain the long-term operational stability and safety of the main engine
ANALYSIS FOR A SAILING SAFETY INFORMATION SYSTEM IN KARANGHARJO VILLAGE, KRAGAN SUBDISTRICT, REMBANG REGENCY Danang Dwi Saputro; Widi Widayat; Feddy Setio Pribadi
IJMEA International Journal of Marine Engineering and Applications Vol 3 No 1 (2026): March 2026
Publisher : Department of Marine Engineering, Universitas Hang Tuah

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30649/ijmea.v3i1.398

Abstract

Karangharjo Village, located in Kragan Subdistrict, Rembang Regency, is a community where the majority of residents work as small-scale fishermen using vessels under 5 GT. These fishermen face a high risk of maritime accidents due to a limited understanding of and access to sailing safety technology. Based on a social mapping survey conducted in 2024, the village has 25 fishing groups with a total of 250 fishermen. Every year, maritime accidents occur, resulting in physical disabilities, fatalities, and an increasing number of orphans. Advanced satellite-based safety mitigation and navigation technologies, which are commonly used by larger vessels, are difficult for these small-scale fishermen to access due to informational and economic constraints. The Marine Affairs and Fisheries Agency of Rembang Regency states that 30% of maritime accidents are caused by a lack of information and inadequate navigation devices, a situation worsened by the fishermen's highly fluctuating income. The problems are formulated as follows: how can sailing safety technology be implemented for small-scale fishing groups, and how can an information system workflow be designed for maritime emergencies? The problem-solving approach for this research involves a needs analysis of small-scale fishermen and the development of an information block model for emergency response. Based on these issues, the objectives of this study are to reduce the rate of maritime accidents in Karangharjo Village and to accelerate the handling of emergency situations. This study uses a mixed-methods approach, combining quantitative and qualitative techniques with the Sustainable Livelihood Approach (SLA). The expected outputs of this research are a publication in an accredited international journal and a copyright, falling under the category of Key Performance Indicator (IKU) 5, as research results that are utilized by the community.
DEVELOPING A DATA-DRIVEN METHOD FOR YACHT DIMENSION PREDICTION Hassan, Md. Tawhid; Khan, Md. Riad
IJMEA International Journal of Marine Engineering and Applications Vol 3 No 1 (2026): March 2026
Publisher : Department of Marine Engineering, Universitas Hang Tuah

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30649/ijmea.v3i1.399

Abstract

A yacht's principal dimensions can be found in many ways. However, due to the massive technological advancements in the yacht industry, using these ancient methods is just a waste of time. A new statistical method is necessary to determine yacht dimensions in an easy and effective way. In this paper, 122 modern yacht data have been used to investigate the relationship between length, breadth, draught, speed, gross tonnage, and power, and to perform regression analysis to develop a new method for estimating yacht dimensions. This study developed two predictive models: Model 1 utilizes empirical ratios and trendline equations, while Model 2 employs sequential stepwise multiple regression. The models effectively estimate breadth, draft, gross tonnage (GT), speed, and power from a specified length, with geometric parameters (e.g., GT prediction R²=0.97 in Model 1) showing higher reliability than performance parameters. The minimum and maximum ratio of Length to Breadth, draught to breadth, for a different range of ship length is also determined. This research is conducted in such a way that the owner’s requirement for a new yacht is the length, and other particulars are determined accordingly.
ANALYSIS OF PROCESS TIME AND COPPER SLAG REQUIREMENTS IN THE SHIP HULL BLASTING PROCESS Ilham Dermawan, Muhammad; Tri, Tri Agung Kristiyono; Aditya, Bagus Kusuma
IJMEA International Journal of Marine Engineering and Applications Vol 3 No 1 (2026): March 2026
Publisher : Department of Marine Engineering, Universitas Hang Tuah

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30649/ijmea.v3i1.400

Abstract

The blasting process in the shipping industry aims to clean the surface of the plate from dirt, rust, and mill scale, and provide surface roughness so that the paint layer can adhere well. In the blasting process, abrasive materials are often used once or twice, but in field practice, reused copper slag has been used as an abrasive material. This study aims to analyze the weight of abrasive material requirements and process time during the blasting process using the Analysis of Variance (ANOVA) method with variations in new copper slag use, reused copper slag 1 and 2 as abrasive materials reaching the standard cleanliness level of SA 2.5 and the surface roughness level according to the International Maritime Organization (IMO) Performance Standard for Protective Coatings (PSPC) 30 – 75 mikron and the International Organization for Standardization (ISO) 8501-1. The results of this study indicate that fresh copper slag and reused copper slag-1 exhibit lower effectiveness in the blasting process; both types of copper slag require a longer time to reach the SA 2.5 cleanliness standard, resulting in increased abrasive material requirements. On the other hand, reused copper slag-2 exhibits better performance with shorter blasting time and minimal abrasive material requirements in accordance with the ISO 8501-1 SA 2.5 cleanliness level.

Page 2 of 2 | Total Record : 17

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