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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 1,114 Documents
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Oceanographic Data Analysis of Parappe Beach, Majene Regency, in Breakwater Planning Yusman; Sujantoko; Apriansyah
International Journal of Marine Engineering Innovation and Research Vol. 10 No. 4 (2025)
Publisher : Department of Marine Engineering, Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j25481479.v10i4

Abstract

Determining the location and dimensions of coastal protection structures, especially breakwaters, must take into account oceanographic data so that the structure can function effectively to protect the coast from damage caused by waves and currents. The method employed in this study is a quantitative approach, utilizing secondary data from the Meteorology, Climatology, and Geophysics Agency (BMKG), National Bathymetry data (BATNAS), and primary data collected directly through field observations, including sedimentation and tidal data. Based on the research conducted, the sedimentation rate for point 1 was 402.405 cm3/year. Point 2 was 503.006 cm3/year. Point 3 was 955.713 cm3/year. For tidal data obtained, the Higher High Water Level (HHWL) is 1.78 m, the Mean High Water Level (MHWL) is 1.2053 m, the Mean Sea Level (MSL) is 0.9203 m, the Mean Low Water Level (MLWL) is 0.6353 m, and the Lower Low Water Level LLWL) is 0.20 m. The dominant wind for 10 years blew from the north, with a maximum wind speed of 11 knots and an effective fetch length of 398.21 km. From the wave forecast, the breaking wave height (Hb) is 76.44 meters, the breaking wave depth (db) is 3.822 meters, the maximum wave height is 2 meters, and the period is 7 seconds.
Optimizing Reachtruck Reliability in Cold Storage Industry Using Reliability Centered Maintenance Based on Fuzzy FMEA Aji Andri Adi; Dr. Anda Iviana Juniani, ST., MT.; Dr. Imam Sutrisno, ST., MT.
International Journal of Marine Engineering Innovation and Research Vol. 10 No. 4 (2025)
Publisher : Department of Marine Engineering, Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j25481479.v10i4

Abstract

Reach trucks are critical equipment in cold storage operations due to their efficiency in lifting and transportingloads in narrow aisles and cold environments. However, high failure rates and extended downtimes significantly reduce theirreliability, which directly affects operational performance and business revenue. This study aims to optimize the reliability ofreach trucks by identifying critical components and determining the appropriate maintenance intervals using a combinedmethod of Reliability Centered Maintenance (RCM) and Fuzzy Failure Mode and Effect Analysis (Fuzzy FMEA). Theresearch employs qualitative and quantitative approaches through failure data analysis, expert judgment, and risk prioritynumber (RPN) evaluation using fuzzy logic. The hydraulic system and driver unit were identified as the most failure-pronesystems, with the hose and gearbox as the most critical components. The application of fuzzy logic provides a more accurateprioritization of failure risks compared to conventional FMEA. Furthermore, RCM II was used to develop a preventivemaintenance framework to improve equipment reliability. The findings demonstrate that the integrated approach effectivelyreduces downtime and enhances the maintenance planning process. This study contributes to developing a more structuredand risk-based maintenance strategy for reach trucks in the cold storage industry
Improvement of Impinging Jet Casing Design On Savonius Turbine Performance Rosyada, Amron; Baidowi, Achmad; Sunarsih
International Journal of Marine Engineering Innovation and Research Vol. 11 No. 1 (2026)
Publisher : Department of Marine Engineering, Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j25481479.v11i1

Abstract

Savonius turbine is one of the various devices used to convert fluid flow energy into electricity. Due to its low efficiency, many studies have been conducted to increase its performance. In this paper, the effect of impinging jet stream direction to concave side of returning blade has been observed. There are 4 casing designs; base casing design (BCD) from previous work and 3 proposed designs which have impinging jet stream direction perpendicularly with the concave side of returning blade azimuth position of 60° (D-I), 75° (D-II), and 90° (D-III) respectively. The study employed two-dimensional CFD (Compu-tational Fluid Dynamic) transient method using Ansys Fluent with Kω-SST (Shear-Stress Transport) as the turbulence model. The result shows that all casing designs are able to rise up the coefficient of power (Cp) of conventional turbine design. Furthermore, D-III and D-II have better performance than BCD at all tip speed ratios (TSRs) while D-I’s Cp curve shows several intersections. D-III surpasses BCD’s peak performance, At TSR =1, by 8%. By applying D-III casing design, the best caseless turbine efficiency (23%) could be improved up to 43% at the same working condition (TSR=0.8). Additionally, the shorter flow passage could increase the impinging jet stream velocity
Intelligent Optimization of Fast Boat Hull Form for Resistance Reduction Using CFD and Surrogate-Assisted Algorithms Romadhoni; Budhi Santoso; Muhammad Alimul Hafiz
International Journal of Marine Engineering Innovation and Research Vol. 11 No. 1 (2026)
Publisher : Department of Marine Engineering, Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j25481479.v11i1

Abstract

High-speed fast boats operating at high Froude numbers experience rapidly increasing resistance due to coupled viscous and wave-making effects. This study proposes a surrogate-assisted hull-form optimization framework that combines Reynolds-averaged Navier-Stokes (RANS) CFD (SST k-ω) with Gaussian Process Regression (Kriging) to minimize the total resistance of a fast monohull while maintaining displacement and geometric feasibility. The hull geometry was parameterized using four variables: deadrise angle, prismatic coefficient, longitudinal centre of buoyancy (LCB), and bow entrance angle. A set of candidate designs was evaluated by CFD, a surrogate model was trained and validated (R² = 0.985, prediction error < 2%), and global optimization was carried out using Genetic Algorithm (GA) and Particle Swarm Optimization (PSO). CFD verification of the best design shows a consistent resistance reduction across Fn = 0–0.75, with a maximum reduction of 14.4% at Fn = 0.65 compared to the baseline hull. The optimized hull exhibits reduced bow pressure peaks and delayed flow separation at the transom. The surrogate-assisted strategy reduces the number of CFD evaluations and lowers the overall computational effort by about 78% while preserving prediction accuracy. R^2=0.992.
Experimental Study on Extinction Curve Fitting Expressions of Ship Roll Damping Ali, Baharuddin; Hidayat, Affan; Firdaus, Nurman; Ariyanti, Erdina; Arifah, Anis Kurniati; Virliyani, Putri; PDP, Vido Dimas; Setiawan, Agung Rahmat; Permana , Chandra; Prasetyo, Basri
International Journal of Marine Engineering Innovation and Research Vol. 11 No. 1 (2026)
Publisher : Department of Marine Engineering, Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j25481479.v11i1

Abstract

Roll damping plays a crucial role in the accurate prediction of ship roll motion. In potential flow theory, viscous roll damping is not inherently accounted for and therefore must be introduced through experimental model test results. Free roll decay tests are commonly conducted to determine roll damping characteristics, including both linear and nonlinear damping (quadratic) components. In experimental practice, roll damping coefficients obtained from roll decay tests are often expressed using different mathematical formulations, such as linear, quadratic, and Bertin’s equations. In this study, free roll decay tests were performed on three ship models, and the resulting roll decay responses were analyzed using the three damping expressions for curve extinctions of measured data. The linear and quadratic roll damping coefficients were extracted for each model and formulation. The results indicate that the selected extinction curve expression and fitting method significantly influence the estimated roll damping coefficients. In addition, the choice of using peak-to-peak or trough-to-trough data in the roll decay analysis was found to affect the obtained damping values. Based on the comparative analysis, it is concluded that averaging the damping coefficients derived from both peak-based and trough-based fitting provides a more representative estimation of roll damping for the tested ship models.
CFD Simulation of Engine Room Ventilation Systems: A Case Study of TB Hasnur 08 Tugboat Main Engine Hady Siswanto, Rhomadon; Agoes, Agoes; Fitri, Sutopo Puewono
International Journal of Marine Engineering Innovation and Research Vol. 11 No. 1 (2026)
Publisher : Department of Marine Engineering, Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j25481479.v11i1

Abstract

Excessive heat in the engine room of the tugboat TB Hasnur 08 represents a critical operational issue, as it directly affects operator comfort, main engine combustion efficiency, and the overall reliability of onboard machinery systems. This study aims to design, evaluate, and validate an optimal engine room ventilation model using a Computational Fluid Dynamics (CFD) approach. The analysis focuses on identifying heat pocket locations, evaluating various airflow arrangements, and formulating data-driven ventilation design guidelines. The calculation of air supply requirements and heat evacuation is conducted in accordance with ISO 8861:1998, which serves as the primary reference standard. The research methodology consists of an empirical study followed by CFD simulations. The simulations examine variations in air velocity and airflow configuration through the application of exhaust systems, resulting in five ventilation configurations, referred to as Variation 0 to Variation 4. Under existing conditions (Variation 0), the engine room air temperature ranges from 45.05°C to 46.05°C. Variation 1 reduces the temperature to 42.85°C–43.95°C, while Variation 2 achieves 42.85°C–42.95°C. Variation 3 applies air velocity in compliance with ISO 8861, resulting in a further reduction to approximately 41.85°C–42.95°C. Variation 4 utilizes the same air velocity as Variation 3 with an additional exhaust duct at Frame 16/17, producing temperatures of 42.85°C–43.25°C. The results indicate that Variation 3 provides the most effective temperature reduction. Furthermore, CFD analysis demonstrates strong capability in predicting thermal behavior resulting from changes in air velocity, duct dimensions, and ventilation configurations.
A Preliminary Research Design and Model Determinants of Ship Accident Risk in Indonesia: The Roles of Competence, Work Stress, Communication, and Supervision through Safety Culture Faturachman, Danny; Abdurachman, Edi
International Journal of Marine Engineering Innovation and Research Vol. 11 No. 1 (2026)
Publisher : Department of Marine Engineering, Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j25481479.v11i1

Abstract

Indonesia is the world’s largest archipelagic state, where sea transport is the backbone of passenger and cargo mobility, yet ship accidents remain frequent and often highly fatal. This paper proposes and tests a structural model linking four human-factor dimensions—crew competence, work stress, communication effectiveness, and supervision—to perceived ship accident risk in Indonesia, with safety culture as a mediating variable. A quantitative survey is conducted among 300 seafarers operating in three major maritime regions (Batam, Merak, and Bali), and data are analyzed using Structural Equation Modeling (SEM) following recommended rules of thumb for sample size and model evaluation. The study aims to identify the most influential human-factor determinants of perceived accident risk and to provide evidence-based recommendations for strengthening maritime safety culture.
Analysis of Causes and Impacts of Tug and Barge Vessel Accidents Using the Analytic Hierarchy Process: A Case Study of XYZ Company Danil Arifin, Mohammad; Mohammad Fajar Sodiq; Aldyn Clinton Partahi Oloan; Y. Arya Dewanto; Fanny Octaviani
International Journal of Marine Engineering Innovation and Research Vol. 11 No. 1 (2026)
Publisher : Department of Marine Engineering, Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j25481479.v11i1

Abstract

Indonesia’s maritime sector plays a strategic role in national logistics, where tug and barge vessels are widely used to transport bulk commodities due to their cost efficiency and operational flexibility. However, tug and barge operations face a high risk of accidents, particularly in densely trafficked waterways and challenging environmental conditions. This study aims to analyze the causes and impacts of tug and barge vessel accidents at Company XYZ during the period 2015–2024 and to determine priority mitigation measures using the Analytic Hierarchy Process (AHP). The study analyzes 170 recorded accident cases classified into human, technical, environmental, and procedural factors. The results show that human factors are the dominant cause, contributing 55.8% of accidents, followed by technical factors (26.3%), environmental factors (12.2%), and procedural factors (5.7%). The accidents resulted in material losses, operational delays of 3–7 days per incident, and environmental impacts such as fuel spills and onboard fires. The AHP results indicate that human-related factors are the highest priority for mitigation, followed by technical, environmental, and procedural factors, with a consistency ratio of 0.043, indicating acceptable reliability. This study provides a structured decision-making approach to support safety improvement and risk mitigation in tug and barge vessel operations.
Integrating Green Marine Technology into Maritime Education in Indonesia Wibowo, Titis Ari; Susanto, Jarot Delta; Sukarno, Setyawan Ajie
International Journal of Marine Engineering Innovation and Research Vol. 11 No. 1 (2026)
Publisher : Department of Marine Engineering, Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j25481479.v11i1

Abstract

Indonesia’s maritime sector faces rising pressure to decarbonize ships and ports while maintaining safety and competitiveness. This paper examines how green marine technologies can be embedded into maritime vocational education so graduates are ready for shipboard and port-side sustainability initiatives (energy efficiency, emissions reduction, waste management, and alternative energy systems). An exploratory mixed-method design was used: semi-structured interviews with nine stakeholders (industry practitioners, maritime educators, and recent graduates) were complemented by a simple stakeholder rating instrument to assess curriculum integration, sustainability awareness, and industry relevance. Thematic analysis identified recurring needs and implementation constraints, while the ratings helped prioritize actions. Findings indicate that sustainability topics are present but unevenly distributed across courses and often lack measurable competency targets. Project-based learning and case studies were perceived as the most effective approaches, especially when supported by simulator/lab facilities and industry co-teaching. The strongest gap lies in translating regulations and green-technology concepts into practical marine-engineering tasks and assessment rubrics. The paper proposes priority actions for curriculum owners: competency mapping to green shipping operations, structured industry feedback loops, and incremental upgrading of learning infrastructure. These steps can strengthen graduate employability and accelerate sustainable practice adoption in the maritime industry.
Structural Integrity and Edge Stiffness Evaluation of GFRP Modular Towing Tank: Analytical and Numerical Study: Analytical and Numerical Study AR-RABAQI, MUHAMMAD A'ZOM; Muswar Muslim; Ayom Buwono; Moch Ricky Dariansyah; Mohammad Danil Arifin; ALDYN CLINTON PARTAHI OLOAN; Sulaksana Permana
International Journal of Marine Engineering Innovation and Research Vol. 11 No. 1 (2026)
Publisher : Department of Marine Engineering, Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j25481479.v11i1

Abstract

Conventional hydrodynamic testing facilities require substantial capital investment, limiting maritime research accessibility in developing nations. This study addresses the structural integrity and global stiffness challenges in designing a modular Glass Fiber Reinforced Polymer (GFRP) composite towing tank as a cost-effective alternative. A hybrid laminate configuration combining Chopped Strand Mat 450 g/m² and Woven Roving 800 g/m² was analyzed under hydrostatic loading using Classical Laminate Theory (CLT) and Finite Element Method (FEM). Analytical predictions indicated acceptable performance with 26.09 MPa bending stress and 5.95 mm deflection under fully clamped boundary assumptions. However, full-scale FEM simulation revealed critical free-edge effects, producing 41 MPa Von Mises stress and 62 mm deflection at the tank rim exceeding the L/200 serviceability limit despite maintaining a safety factor of 3.65. This study demonstrates that while the 19 mm wall thickness satisfies strength requirements per ASME RTP-1 standards, edge stiffening through horizontal rim reinforcement is essential to control excessive deformation in open-top modular configurations.

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