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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
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Articles 24 Documents
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Search results for , issue "Vol. 9 No. 1 (2024)" : 24 Documents clear
Investigating the Impact of Plain Flap as Lift Enhancement on Symmetrical Airfoils Yohanes Mangatur Parluhutan; Fahrudin Ulwani; Damora Rhakasywi
International Journal of Marine Engineering Innovation and Research Vol. 9 No. 1 (2024)
Publisher : Department of Marine Engineering, Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j25481479.v9i1.5050

Abstract

Symmetric airfoils like NACA 0015 have limitations in generating lift compared to asymmetric airfoils. Therefore, additional devices are needed to overcome this limitation. This research analyzes the use of a lift enhancement device called a plain flap, which is installed on the trailing edge of the NACA 0015 airfoil using the CFD method. Simulations were conducted at a Reynolds number of using the k-epsilon turbulent model. Three variations of geometry models were simulated: the NACA 0015 airfoil without a flap, the NACA 0015 airfoil with a plain flap at a deflection angle of 15°, and the NACA 0015 airfoil with a plain flap at a deflection angle of 30°. The simulation results show that the use of a flap can increase the maximum lift coefficient (Cl) of the airfoil. Initially, the maximum lift coefficient was 1.15 at an angle of attack (AoA) of 15°. With a plain flap deflection angle of 15°, the maximum lift coefficient increased to 1.5 at an AoA of 13°. With a plain flap deflection angle of 30°, the maximum lift coefficient further increased to 1.71 at an AoA of 10°. However, the use of a plain flap also leads to a significant increase in drag. On average, the drag coefficient (Cd) increased by 65% with a plain flap deflection angle of 15° and by 178% with a plain flap deflection angle of 30°.
Analysis of Human Error Probability at Shipyard Using Human Error Assessment and Reduction Technique (HEART) Fanny Octaviani; Mohammad Danil Arifin
International Journal of Marine Engineering Innovation and Research Vol. 9 No. 1 (2024)
Publisher : Department of Marine Engineering, Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j25481479.v9i1.5051

Abstract

In shipyards, human error is a serious problem that can compromise operational effectiveness, productivity, and safety. The effectiveness of shipyard operations still largely depends on human participation, despite the quick advances in automation and technology. In shipyards, human error can result in mishaps, monetary losses, and reputational harm. Finding workable solutions is therefore essential to lowering the possibility of human error. The possibility of human error in shipyards is investigated in this article by first determining the variables that may lead to errors and then estimating the likelihood that they will occur. The Human Error Assessment and Reduction Technique (HEART) is the methodology employed. A technique called HEART is used to assess the degree of human error in a system, which helps to analyze how human errors affect a system's performance. The analysis's findings show that bending and pressing plates are two fieldwork tasks that have a high risk of human error. This study also makes it clear that management’s engagement in resolving human error issues must be proactive. Hands-on training, ongoing safety policy formulation, and encouragement of a happy workplace are just a few ways that management can help lower the possibility of human error.
Water Conservation Practices viewed from Community Socio-Psychological Factors (Case Study: Bandar Lampung City, Indonesia) Rifka Noor Azizah; Dwi Marisa Putri; Ahmad Daudsyah Imami; Elinda Mutiara; Yulisa Putri; Nasrul Putra; Dion Awfa; Rahma Yanda; Zenia F. Saraswati; Endang Setiawati; Wisnu Prayogo
International Journal of Marine Engineering Innovation and Research Vol. 9 No. 1 (2024)
Publisher : Department of Marine Engineering, Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j25481479.v9i1.5052

Abstract

Climate change that is happening at this time affects the decrease in the availability of water in the world. Urban areas, especially coastal areas, will have a more significant impact on water scarcity. Coastal areas in Indonesia, such as Bandar Lampung City, are mainly concerned in this study. Therefore, a study was conducted to determine the variables that influence water conservation practices in Bandar Lampung, which focuses on social psychological factors with four independent variables. By knowing the independent variable that has the highest level of influence, an approach to conservation efforts at the individual level can be approached. Data were obtained using a closed questionnaire with answer options using a Likert scale. Data analysis used simple linear regression and stepwise regression. The simple linear regression results show that the variable social norms (X4) are the highest variable with a value of R2 0.0385. In stepwise regression, the variable attitude towards conservation (X1), the benefits obtained (X2), individual control behavior (X3), and social norms (X4) simultaneously have a coefficient of determination value of R2 0.06127, where the social norms variable align with sample linear regression results on water conservation practices. These social norms can be used as a reference by stakeholders such as Perumda, Regional Government, NGOs, etc., through individual approaches in mapping strategies for increasing water conservation practices.
Cyberbullying on Multicultural Education a Coastal Community Perspective: Systematic literature review Nanik Susanti; Soni Adiyono; Zainur Romadhon
International Journal of Marine Engineering Innovation and Research Vol. 9 No. 1 (2024)
Publisher : Department of Marine Engineering, Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j25481479.v9i1.5053

Abstract

This research explores the pervasive issue of cyberbullying, primarily targeting children and teenagers due to their close proximity to communication technologies. Cyberbullying manifests through various forms such as flaming, harassment, and identity impersonation, causing significant psychological and academic impacts on victims. The study, based on a selection of 30 Scopus publications, reveals that cyberstalking holds the highest classification at 90%, followed by flaming at 73%. The consequences of cyberbullying are classified into social (67%), psychological (63%), and academic (57%) impacts. The research emphasizes the need for specific knowledge about cyberbullying in coastal communities, where victims experience feelings of insecurity, isolation, and reduced academic concentration. The conclusion highlights the importance of raising awareness, implementing literacy programs, and enforcing regulations to combat cyberbullying, especially in the context of the Fourth Industrial Revolution. The findings provide valuable insights into the coastal community's perception of cyberbullying, urging parents to play an active role in safeguarding their children and promoting digital literacy.
Experimental Study of Plastic Waste Fuel in Diesel Engine to Overcome Fuel Shortage Towards a Green Economy Facing IMO Tier III Standards Sutrisno; Hadi Prasutiyon; Alif Rizky Saputro
International Journal of Marine Engineering Innovation and Research Vol. 9 No. 1 (2024)
Publisher : Department of Marine Engineering, Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j25481479.v9i1.5054

Abstract

Ships generally use diesel engines as propulsion to produce energy from the combustion process. The fuel used on ships uses diesel oil, but its use can result in marine environmental pollution. Marine environmental pollution is currently a national issue that must be addressed immediately, where the International Maritime Organization (IMO) in MARPOL Annex VI TIER III limits the content of exhaust emissions. This research is to analyze the effect on engine performance and emissions, especially NOx produced by diesel engines, then compare NOx emission data with IMO TIER III standards. This research uses an experimental method by mixing two fuels with the composition B0 (pure plastic waste), B1 (80% - 20%), B2 (70% - 30%). After conducting research the effective result is B1 fuel. Because trendline graphs are quite optimal for use on diesel engines. The power produced by B1 is 1.36 KW to 2.12 KW. SFC B1 produces 431.35 g/kWh to 352.61 g/kWh. For efficiency, B1 produces 19.3% to 23.6%. For torque, bmep, and fc produce values that are directly proportional to engine speed. The results of the NOx emissions test were obtained for each type of fuel composition, B0 was 174 gr/kWh – 185gr/kWh, B1 was 182gr/kWh – 218gr/kWh and B2 was 198gr/kWh – 224gr/kWh. This meets the MARPOL Annex TIER III standards.
Study of FRP Ship Waste Composite Materials and Its Combustion Residue Nabila Rahmawati; Yopi Novita; Didin Komarudin; Mokhamad Dahri Iskandar
International Journal of Marine Engineering Innovation and Research Vol. 9 No. 1 (2024)
Publisher : Department of Marine Engineering, Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j25481479.v9i1.5055

Abstract

The escalating utilization of FRP materials ultimately gives rise to issues related to waste production. Waste disposal typically involves incineration, as practiced at UD Wahyu Asih Fiberglass. The combustion process yields thick black smoke and a pungent odor. Incineration does not annihilate fiberglass material but generates combustion byproducts, such as solid ash. This study aims to elucidate the material type, chemical element content, and associated properties inherent in FRP shipbuilding materials at UD Wahyu Asih Fiberglass Shipyard. The methodology commences with the identification of materials utilized in FRP ship manufacture through field observations at the shipyard. Another objective of this study is to quantify the ash content and ascertain the total particulate matter during the incineration process of FRP shipbuilding material waste via laboratory tests. The total particulate data obtained will be compared with applicable emission quality standards.
Simulating Ocean Surface Condition on an Extreme Weather Using Hydrodynamic 3D Model Mahagnyana; Eko Hadi Sujiono; Pariabti Palloan; Nayla Alvina Rahma
International Journal of Marine Engineering Innovation and Research Vol. 9 No. 1 (2024)
Publisher : Department of Marine Engineering, Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j25481479.v9i1.5056

Abstract

Research regarding sea surface condition during the coastal flood in Parepare 6 December 2021 has been carried out. In this research, the Delft3D model will be utilized to simulate the significant wave height (Hs) and direction, tide (eta), and total water level (TWL) using input data from ECMWF ERA-5, including zonal (u) and meridional (v) wind, as well as surface air pressure data (p). The model’s output demonstrate that the model is capable of accurately simulating the Hs and eta, utilizing 2x2 gridded satellite data and the tide observation station of BIG, respectively. Hence, we conducted simulations to explore the interaction between Hs and eta in the form of TWL in Parepare Bay, focusing in Bacukiki Barat and Ujung Districts on Desember 6, 2021. The results indicate that the maximum TWL for these two districts was 2.3376 meters dan 2.2096 meters, consecutively, both of which propagated towards the Parepare Coast. These extreme TWL height were exacerbated by the extreme rainfall occurring in Parepare City within 4-7 December 2021, which is exceeding 200 mm/day. The ECMWF ERA-5 model also revealed that the presence of strong winds blowing from The Java Sea to The Makassar Strait at speeds of around 25-30 knots, which is suspected to be the underlying cause of the high waves observed over the Makassar Strait.
Ethnozoological Knowledge and Family Economics on Attitudes and Behavior in Using Turtles Dwi Setyawan; Syahrul Gunawan; Ainur Rofieq; Wahyu Prihanta; Fendy Hardian Permana
International Journal of Marine Engineering Innovation and Research Vol. 9 No. 1 (2024)
Publisher : Department of Marine Engineering, Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j25481479.v9i1.5057

Abstract

The mutual interaction between humans and animals in the field of ethnozoology includes uses that can be oriented toward conservation or exploitation efforts. However, excessive abuse of sea turtles (Chelonioidea), especially in the direction of exploitation, has led to population decline and threatened their extinction. Observations in the Derawan Island community, Berau Regency, show a decrease in the number of turtles coming to lay their eggs due to overexploitation. To overcome this problem, it is necessary to carry out research that looks for factors that influence attitudes and behavior in using turtles, including the level of ethnozoological knowledge and family economic status. This research uses a quantitative approach with an analytical correlational design and applies Path Analysis. The results of the analysis show that the level of ethnozoological knowledge has a significant influence on attitudes, with a path coefficient of 0.298 in block-1. In block-2, the results of the analysis show that the level of ethnozoological knowledge directly influences turtle utilization behavior with a path coefficient of 0.313. In conclusion, the level of ethnozoological knowledge has a dominant role in shaping turtle utilization behavior in Derawan Island.
Concept of Multi-Orientation Shipyard Industry Development Environmentally Friendly and Sustainable Ali Azhar; Nuddin Harahab; Fadillah Putra; Andi Kurniawan; Gde A Prabhawatya Poundra
International Journal of Marine Engineering Innovation and Research Vol. 9 No. 1 (2024)
Publisher : Department of Marine Engineering, Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j25481479.v9i1.5066

Abstract

Indonesia's geographical conditions and position are very favorable and various policies from the government from 2005 until now are expected to become the shipyard industry to become a tough industry, but in reality it is still not as expected. The condition of the domestic shipyard industry in 2017 until now there is only ship repair and maintenance work, while orders for new ships or buildings are very few and even zero demand ship orders, causing business continuity in the shipyard industry to be disrupted and even out of business. This paper aims to develop a concept for the development of a multi-oriented shipyard industry that is environmentally friendly and sustainable. The preparation of this concept begins with identifying problems, collecting secondary data, reviewing related articles (shipyard industry, ship recycling yard industry, environment, sustainability, and supporting methods), analyzing and developing a development concept. The results obtained from drafting the concept are in the form of a diagrammatic model for the development of a multi-oriented shipyard industry that is environmentally friendly and sustainable. The development concept consists of (1) research background in the form of the existing conditions of the shipyard industry, ship recycling industry, geography, infrastructure, superstructure; (2) research that has been conducted in the form of relevant journal articles and proceedings; (3) research to be conducted in the form of sustainability criteria, orientation diversification and strategy selection; (4) implementation.
Study On Estimation of Cargo Hold Ship Construction Container 100 TEUS With Mathematical And 3D Modelling Method Autodesk Inventor Mohamad Farizqi Ridho; Arif Fadillah
International Journal of Marine Engineering Innovation and Research Vol. 9 No. 1 (2024)
Publisher : Department of Marine Engineering, Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j25481479.v9i1.5067

Abstract

Estimate the ship’s weight steel is very important before pre-design. This is useful to ensure that the ship's weight does not exceed the basic design requested by the owner. 3D modeling is made in order to shorten the work time and produce a more precise calculation of the weight of the ship compared using mathematical calculations. The study compares the ship weight by using a mathematical method and using the 3D modelling method using autodesk inventor software. The result of the estimation of the weight of the ship’s steel cargo hold construction using 3D modelling method for the block system. It was found that the calculation of the weight of steel using the autodesk inventor method has a fairly good difference with the mathematical method. Calculation with 3D modelling autodesk inventor has a total steel weight of 255,077 tons and 259,868 tons for the mathematical method. The difference in autodesk inventor result is 4,791 tons or 1,84% less than the ship’s weight steel mathematical method. The result of the ship’s steel weight being smaller due to several factor that are not included in 3D modelling and the completeness of drawing, because the more detailed the modeled drawing, will be smaller the difference in the ship’s weight steel produced. Total estimation cost of the modeled cargo holds grandblock with matematical methods Rp.2.235.543.621. while the total cost of using 3D modelling auotdesk inventor Rp.2.298.621.

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