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All Journal Meteor STIP Marunda Journal La Edusci
Yudhiyono, Yudhiyono
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Economics, Econometrics & Finance Education Engineering Languange, Linguistic, Communication & Media Mathematics Social Sciences Transportation Other

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CALCULATE THE ESTIMATED TANKER BERTHING TIME BASED ON THE AMOUNT OF ETHYLENE LOADED Yudhiyono, Yudhiyono; M. Yusuf, M. Yusuf; sugiyanto, sugiyanto
Meteor STIP Marunda Vol 16 No 2 (2023): Desember
Publisher : Pusat Penelitian dan Pengabdian kepada Masyarakat (P3M) STIP Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36101/msm.v16i2.334

Abstract

One of the problems that coauses dweling time remain high is the uncertainty of loading and unloading time also the time for documents processing. Impact this uncertainty is an additional cost being charged to ships by the authorities because of additional berthing time. Based on the berthing time report it is necessary to calculate the ideal time for processing document. Ship Document Processing include the clearence in document, processing document when the ship enter the port. Clearence out is processing document before the ship leave the port. Loading/Unloading proess includes of loading/unloading preparation. Loading/unloading preparation activities for Ethylene must be carried out by following appropriate procedures, this is because ethylene is volatile and flammable hazardous material. In fact Activities involving dangerous goods are regulated separately ini International Maritime Organisation Regulations.
THE POTENTIAL USE OF MINI WIND TURBINES AT SEKOLAH TINGGI ILMU PELAYARAN AS AN ALTERNATIVE RENEWABLE ELECTRICAL ENERGY SOURCE Yudhiyono, Yudhiyono; MUDAKIR, MUDAKIR; ARIYANTO, ARIYANTO
Meteor STIP Marunda Vol 16 No 2 (2023): Desember
Publisher : Pusat Penelitian dan Pengabdian kepada Masyarakat (P3M) STIP Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36101/msm.v16i2.336

Abstract

The need for electrical energy from year to year is getting bigger along with the increasing growth of population and industry, especially in big cities in Indonesia. The need for electrical energy in Indonesia still depends on Electrical Energy provided by the Perusahaan Listrik Negara (PLN). the main source of PLN's electrical energy is Fuel oil and Coal (50.01%). Sekolah Tinggi Ilmu Pelayaran as an educational institution seeks to support the government to reduce dependence on electrical energy produced with fossil fuels by seeking the potential of electrical energy sourced from renewable energy sources. One of the energies that has the potential as alternative energy is wind energy, where kinetic energy from the wind is utilized into electrical energy using wind turbines. For this reason, it is necessary to calculate the potential of wind energy as a renewable alternative energy at Sekolah Tinggi Ilmu Pelayaran
The Effectiveness of Project-Based Learning Compared to Conventional Methods in Teaching Applied Mathematics for Ship Stability and Center of Mass Calculation Yudhiyono, Yudhiyono; Y. A Nalle, Carles
Journal La Edusci Vol. 6 No. 4 (2025): Journal La Edusci
Publisher : Newinera Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37899/journallaedusci.v6i4.2628

Abstract

Mathematics constitutes a vital foundation in maritime education, serving as an essential tool for ensuring safety, operational efficiency, and sustainability in the shipping industry. Its applications extend to critical areas such as route optimization, cost reduction, and environmental protection. Nevertheless, applied mathematics is often perceived as one of the most challenging subjects for nautical students, largely because of the difficulty in linking abstract concepts to practical, real-world maritime problems. This learning gap highlights the need for pedagogical strategies that can transform theoretical knowledge into tangible applications relevant to the maritime field. Project-Based Learning (PBL) has emerged as an effective instructional approach to address these challenges by promoting active learning, enhancing problem-solving abilities, and fostering both creativity and critical thinking. In maritime education, PBL can be particularly impactful in teaching complex topics such as ship stability, where mathematical principles play a central role. Ship stability, especially in relation to intact conditions, is crucial in vessel design and operation, as it determines a ship’s capacity to resist external forces and recover equilibrium. A key mathematical component of this process is the calculation of a vessel’s center of mass, which integrates mass distribution across structural components and loading conditions. By constructing ship models and applying coordinate-based methods, students can connect theoretical mathematics with practical stability analysis. This experiential approach not only deepens conceptual understanding but also equips future maritime professionals with the analytical competencies essential for safe and efficient operations in the global shipping environment.
Co-Authors AA Sudharmawan, AA M. Yusuf M. Yusuf, M. Yusuf Mudakir Mudakir NALLE, CARLES Y.A. Sugiyanto -