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International Journal of Marine Engineering Innovation and Research
Published by Institut Teknologi Sepuluh Nopember Surabaya
ISSN : 25415972     EISSN : 25481479     DOI : ttp://dx.doi.org/10.12962/j25481479
Core Subject : Science, Social, Engineering,
Automotive Engineering Control & Systems Engineering Decision Sciences, Operations Research & Management Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Physics Transportation
International Journal of Marine Engineering Innovation and Research (IJMEIR) is an open-access journal, which means that visitors all over the world could publish, read, download, cite and distribute papers published in this journal for free of cost. IJMEIR journal has a vast group of visitors, a far-reaching impact and pretty high citation. IJMEIR adopts a peer-review model, which insured fast publishing and convenient submission. IJMEIR now cordially inviting you to contribute or recommend quality papers to us. This journal is geared towards the dissemination of original innovation, research and practical contributions by both scientists and engineers, from both academia and industry. Theses, dissertations, research papers, and reviews associated with all aspects of marine engineering, marine sciences, and marine technology are all acceptable for publication. International Journal of Marine Engineering Innovation and Research (IJMEIR) focus and scopes are preserve prompt publication of manuscripts that meet the broad-spectrum criteria of scientific excellence. Areas of interest include, but are not limited to: Automotive Biochemical Biology Biomedical science Biophysics and biochemistry Chemical Chemistry Combat Engineering Communication Computer science Construction Energy Energy storage Engineering geology Enterprise Entertainment Environmental Environmental Engineering Science Environmental Risk Assessment Environmental technology Financial Engineering Fire Protection Engineering Fisheries science Fishing Food Science and Technology Health Care & Public Health, Health Safety Health Technologies Industrial Technology Industry Business Informatics Machinery Manufacturing Marine Engineering Marine sciences Marine technology Marine biology Marine economic Marine engines Marine fisheries Marine fuel Marine geology Marine geophysic Marine management Marine oil and gas Marine policy Material sciences Materials science and engineering Mathematics Mechanics Medical Technology Metallurgical Micro-technology Military Ammunition Military Technology Military Technology and equipment Mining Motor Vehicles Naval Engineering Neuroscience Nuclear technology Ocean Robotics and Automation Safety Engineering Sanitary Engineering Space Technology Statistics Traffic Transport Visual Technology
Arjuna Subject : Teknik (semua kategori) - Teknik (Lain-Lain)
Articles 25 Documents
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Search results for , issue "Vol. 9 No. 3 (2024)" : 25 Documents clear
Implementation of Material Control in Tugboat Ship Building Using the Lot for Lot (LFL) Method Case Study: (PT.PMP) Intan Baroroh; Eko Febrianto Tarigan; Siswo Hadi Sumantri; Ali Azhar; Didik Hardianto; Tri Agung Kristiyono
International Journal of Marine Engineering Innovation and Research Vol. 9 No. 3 (2024)
Publisher : Department of Marine Engineering, Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j25481479.v9i3.4898

Abstract

Material procurement in the shipping industry accounts for 2/3 of the total production cost. PT.PMP is a company that focuses on the shipbuilding industry including Ship Design, Ship Building and Ship Repair. In the implementation of material procurement, there are often delays in the delivery of materials from suppliers resulting in delayed production time. Material inventory in the warehouse is sometimes insufficient to meet production needs. In the Pre-Order system, the company must ensure the availability of prepared planning items, but the Company sometimes faces a shortage of raw materials which results in delays in the delivery of promised goods. Material Requirement Planning (MRP) is a method used to organize and plan material orders. The purpose of this study is to determine the material planning strategy using the Lot for Lot method and the Economic Order Quantity method comparison between efficient methods at PT.PMP and to determine the efficiency results of the comparison between the Lot for Lot (LFL) method, Economic Order Quantity (EOQ) and the existing method at PT.PMP. The materials analyzed are Plate and Profile in the New Building Tugboat Project. The results obtained from the inventory cost research that the Lot for Lot method is 28%, the Economic Order Quantity method results in an inventory cost of 29% and the company method that is still being applied results in a high cost of 43%. The Lot for Lot method is more efficient by 15% than the existing method applied by the company.
Effect of Ron Increase in Molasses Gasoline-Bioethanol Mixture on 4-Stroke Gasoline Engine Performance Yuniarto Agus Winoko; Rizky Kharisma Azhari
International Journal of Marine Engineering Innovation and Research Vol. 9 No. 3 (2024)
Publisher : Department of Marine Engineering, Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j25481479.v9i3.4899

Abstract

The development of technology in the 4.0 era has led to higher energy consumption. Meanwhile, Indonesia's energy consumption has been increasing every year. This requires the substitution of alternative energy vehicle fuels. One of them is bioethanol. Bioethanol can be obtained from plants, namely molasses. The use of RON enhancers can increase the octane rating so that low quality fuel can be used. By using high octane, the performance and fuel consumption will be optimal. The purpose of this study was to determine the performance of a 4-stroke petrol engine. This research uses an experimental approach where direct experiments are carried out on torque, power and fuel consumption. The data obtained is also presented graphically. In this study, the independent variables used were Ron enhancers with masses of 0ml, 5ml, 10ml, 15ml and molasses bioethanol percentages of 0%, 10%, 15%, 20%. Control variables engine speed 5500 rpm to 9000 rpm. The highest power results were obtained with a mixture of 0% bioethanol and 5ml RON enhancer, 7.90hp at 8000 rpm. The highest torque is achieved with a mixture of 0% bioethanol and 15ml RON enhancer 8.74 Nm at 6000 rpm. For fuel consumption, the 15% bioethanol mixture with the addition of 0ml RON enhancer is the lowest at 0.0804 kg/Hp.hour at 6000 rpm.
Reduction Of Outrigger Wide To Maximize Fishing Boat Landing Area Capacity In Prigi Fishing Port Sunardi; Muhammad Makki Amirruddinsyah; Eko Sulkhani; Ardi Nugroho Yulianto
International Journal of Marine Engineering Innovation and Research Vol. 9 No. 3 (2024)
Publisher : Department of Marine Engineering, Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j25481479.v9i3.4900

Abstract

Jukung fishing boats, prevalent in Prigi, face challenges due to their wide design (approximately 5 meters on both sides). This excessive width often necessitates berthing further from the coast. To address this issue, this study investigates the feasibility of reducing outrigger width to increase berthing capacity at PPN Prigi while ensuring vessel stability. Through a systematic analysis of various outrigger widths (1.5, 1.25, 1, and 0.75 meters), the study determined that a reduction to 1 meter maintains vessel stability as per HSC 2000 Annex 7 and Annex 749 (18) Ch3 design criteria. A 1-meter reduction in outrigger length can increase berthing efficiency by 66% for a standard 15-meter berth with 30-40 cm ship spacing. Consequently, the east dock of PPN Prigi can accommodate an additional 94 jukung vessels, raising the total capacity from 142 to 236. This research provides valuable insights for optimizing port infrastructure and enhancing the operational efficiency of the fishing community in Prigi.
The Design of Refrigerated Portable Fish Storage Prototype for Small Scale Fisheries Muhammad Fatih Khairi; Sugeng Hari Wisudo; Dwi Putra Yuwandana; Fis Purwangka
International Journal of Marine Engineering Innovation and Research Vol. 9 No. 3 (2024)
Publisher : Department of Marine Engineering, Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j25481479.v9i3.4902

Abstract

Indonesia as one of the biggest capitals with fisheries industry have more than 90% small-scale fisher spread around the nation. Sadly, in some region, small scale fishers not really implement the proper fish storing method due to the lack of space in their vessel and limited technology. This issue has led to a new idea to build a portable cooling fish storage specifically for small scale fisheries. The aim of this studies is to build and test the performance of prototype of portable fish storage. The method used is direct testing by doing several tests such as power consumption test, temperature decreasing rate, and cost simulation efficiently with some condition and variables. The performance test resulted that power consumption of portable refrigerated fish storage around 374,94 - 651,93 watt with temperature decreasing rate of 0,5 C/minutes. In cost simulation, the portable refrigerated can save up to 90% rather than a traditional fish storage.
Smart Port Management in Digital Transformation: A Review for Future Research Syafrie Muhammad Hawari; Triana Rahajeng Hadiprawoto; Ira Iriyanty; Yeshika Alversia; Soni Adiyono
International Journal of Marine Engineering Innovation and Research Vol. 9 No. 3 (2024)
Publisher : Department of Marine Engineering, Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j25481479.v9i3.4903

Abstract

Ports are basic center points in worldwide transportation, affecting supply chains and national economies. With the rise of Industry 4.0, joining computerised change such as IoT, huge information, cloud computing, and AI into harbour operations has ended up progressively vital. This study provides a systematic evaluation of 41 selected articles focusing on three critical aspects of smart port development: developments in digital transformation, assessment of smart port implementation, and related challenges and limitations. Utilizing indicators such as technology relevance, operational efficiency, user experience, regulatory barriers, and infrastructure readiness, the analysis reveals that a significant number of articles contributed to digital transformation technologies (average score: 7.61), performance evaluation (average score: 6.63), and challenges and barriers (average score: 6.15). Trend graphs and Pareto diagrams highlight fluctuations in contributions and emphasize that a small number of high-scoring articles have a considerable impact. This research underscores the importance of a thorough and systematic approach in assessing digital transformation technologies and offers valuable insights into the current landscape, opportunities, and challenges. The findings are intended to guide stakeholders in developing effective strategies for achieving sustainable digital transformation in smart ports.
Composition of Shark Catches With Conservation Status in Mukomuko District, Bengkulu Panji Anugrah Ramadhan; Mulyono Baskoro; Wazir Mawardi
International Journal of Marine Engineering Innovation and Research Vol. 9 No. 3 (2024)
Publisher : Department of Marine Engineering, Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j25481479.v9i3.4904

Abstract

Mukomuko Regency is one of Bengkulu Province's regencies with abundant marine resources. It has a fishing port, one of which is the Ipuh sub-district fishing port and the Teramangjaya sub-district fishing port. This study aimed to determine the size, length, weight, and composition of shark species landed at the Mukomuko Regency fishing port to identify the types of sharks that are protected based on the IUCN conservation status and the suitability of shark catches. The survey method was used to visit the research location at the ship's landing port, measure the length and weight of the sharks, and take pictures of them. The results of the sharks obtained were two species of sharks, namely the kejen shark (Loxodon Macrorhinus) with a status of almost threatened NT, 35 were found, and the Hammerhead Shark (Sphyrna lewini) with a status of very threatened CR, 15 were found. Of all the types of sharks caught, they were still juveniles and not yet suitable for catch.
The Influence of Forced and Natural Convection on the Sensory Characteristics of Dried Fish Rizkia; Ahmad Syuhada
International Journal of Marine Engineering Innovation and Research Vol. 9 No. 3 (2024)
Publisher : Department of Marine Engineering, Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j25481479.v9i3.4906

Abstract

Indonesia is one of the countries with the largest archipelagos in the world, boasting an abundant wealth of natural biodiversity. One of these resources is fisheries. The production of dried fish is one of the community's efforts to increase the selling price of fish. The dried fish produced by the community is usually sold in traditional markets and has few buyers due to the lack of attention to the quality of the dried fish. To increase buyers' interest in dried fish, the quality must be improved. The aim of this study is to enhance the production system and quality of dried fish through the use of drying equipment with different drying methods, namely natural convection and forced convection drying systems. In natural convection, the drying process utilizes the movement of air flows caused by density differences, while in forced convection drying, the air flow rate is controlled with the help of a fan. This study involves the use of four variations of air velocity that will be tested: 1 m/s, 2 m/s, 3 m/s, and a gradual reduction from an initial speed of 3 m/s, decreasing by 1 m/s every 3 hours of drying until reaching 1 m/s. Drying is then continued at an air flow rate of 1 m/s until the desired moisture content is achieved. The results of the study indicate that the use of natural convection and forced convection drying methods affects the drying rate and the final product quality, including color, texture, and taste. From the results obtained, the use of forced convection drying method with a gradual reduction in air velocity proved to be the best treatment, with a drying rate of 0.036 kg/h, yielding the best final quality in terms of color, texture, and taste.
Review of Automatic Identification System: Application, Challenge and Limitations Mohammad Danil Arifin; Muswar Muslim; Fanny Octaviani; Danny Faturachman
International Journal of Marine Engineering Innovation and Research Vol. 9 No. 3 (2024)
Publisher : Department of Marine Engineering, Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j25481479.v9i3.4907

Abstract

The Automatic Identification System (AIS) has become a crucial technology in maritime operations, significantly enhancing navigational safety, maritime surveillance, environmental monitoring, and search and rescue (SAR) efforts. This paper aims to review the diverse applications, challenges, and limitations of AIS within these fields. By analyzing existing literature and case studies, the paper highlights the effectiveness of AIS in improving maritime safety and security while also identifying its shortcomings, such as signal manipulation, coverage gaps, and data overload. The methods include a comprehensive review of AIS applications across various maritime sectors such as navigational safety and collision avoidance, maritime surveillance and security, environmental protection, and search and rescue (SAR) operations by examining both the benefits and the technical challenges. The results indicate that while AIS has revolutionized maritime operations by providing real-time tracking and enhanced situational awareness, ongoing issues such as data reliability and system vulnerabilities require further attention. This review concludes that continued advancements in AIS technology and its integration with other systems are essential to overcoming these challenges and maximizing the potential of AIS in global maritime practices.
Multi-Objective Optimization for Topological Shipyard Facility Layout using NSGA-II Ghulam Tulus Pambudi; Gunawan; Dimas Angga Fakhri Muzhoffar; Wanda Rulita Sari
International Journal of Marine Engineering Innovation and Research Vol. 9 No. 3 (2024)
Publisher : Department of Marine Engineering, Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j25481479.v9i3.4908

Abstract

The increasing complexity in ship construction due to larger vessel sizes has placed significant pressure on the shipbuilding industry to enhance efficiency and reduce costs. This paper focuses on optimizing shipyard facility layouts by minimizing material handling costs (MHC) and area costs (AC) using a topological approach for unequal areas. The objective is to develop a layout that reduces these costs while addressing gaps in previous research, which often assumed uniform department sizes. The proposed method employs the Non-Dominated Sorting Genetic Algorithm-II (NSGA-II), a heuristic algorithm designed for multi-objective optimization. Unlike previous models, this approach allows for variability in department sizes, aligning more closely with real-world conditions. The layout optimization is conducted by considering adjacency and non-adjacency constraints, ensuring an effective arrangement of shipyard departments. The results demonstrate that the proposed method significantly reduces both MHC and AC, leading to a more efficient and cost-effective shipyard layout. The dual-objective approach not only narrows the gap between topological and geometric models but also optimizes space utilization within the shipyard, making it a practical solution for modern shipbuilding challenges.
Bibliometrics Analysis and Future Study Trends in Anaerobic Biofilter Systems for Laundry Wastewater Treatment Joko Sutrisno; Muhammad Al Kholif
International Journal of Marine Engineering Innovation and Research Vol. 9 No. 3 (2024)
Publisher : Department of Marine Engineering, Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j25481479.v9i3.4909

Abstract

The rapid expansion of the laundry industry, particularly in residential areas, has led to significant environmental challenges due to the discharge of untreated wastewater containing high levels of pollutants, such as Chemical Oxygen Demand (COD) and phosphate (PO4). This study aims to explore the effectiveness of anaerobic biofilter systems in reducing COD and PO4 levels in laundry wastewater. A lab-scale anaerobic biofilter reactor was designed and operated at varying hydraulic retention times (HRTs) of 9, 11, and 13 hours to treat the wastewater. The results showed that the anaerobic biofilter system effectively reduced PO4 levels, meeting Indonesian regulatory standards, with the highest removal efficiency observed at an HRT of 11 hours. However, while COD levels were reduced, they remained above the required quality standards, indicating the need for optimization of the treatment process. The study highlights the potential of anaerobic biofilters in laundry wastewater treatment and suggests further research into integrated treatment approaches for improved pollutant removal.

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