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All Journal Indonesian Journal of Science and Mathematics Education Studi Arab Meteor STIP Marunda Dinasti International Journal of Education Management and Social Science Dinasti International Journal of Digital Business Management Jurnal Penelitian Sekolah Tinggi Transportasi Darat Counselia: Jurnal Bimbingan Konseling Pendidikan Islam Jurnal Maritim Malahayati Eduslamic: Jurnal Pendidikan Islam dan Keagamaan Greenation International Journal of Engineering Science
Diah Zakiah
Sekolah Tinggi Ilmu Pelayaran Jakarta
Religion Aerospace Engineering Automotive Engineering Civil Engineering, Building, Construction & Architecture Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Engineering Environmental Science Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Mathematics Mechanical Engineering Social Sciences Transportation Other

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Development of an ethnoscience-based vocational learning model for solar-wind hybrid energy systems in small-scale fishing vessel applications Zakiah, Diah; Jaya, Indra; Rahmat, Ayi; Priandana, Karlisa; Iskandar, Budhi Hascaryo
Indonesian Journal of Science and Mathematics Education Vol. 8 No. 3 (2025): Indonesian Journal of Science and Mathematics Education
Publisher : Universitas Islam Negeri Raden Intan Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24042/ijsme.v8i3.29177

Abstract

Coastal communities increasingly require accessible renewable-energy education, yet conventional vocational programs rarely integrate local maritime knowledge or hands-on, culturally relevant practices. This study aims to develop and evaluate an ethnoscience-based vocational learning model that uses a simple wave-energy converter as a contextual tool. A qualitatively driven mixed-methods design was employed involving fishers, vocational students, teachers, and local stakeholders through interviews, focus group discussions, observations, and classroom implementations. Findings show that the model effectively bridges indigenous maritime knowledge with renewable-energy engineering concepts, producing pedagogically meaningful outcomes: a 21% increase in students’ conceptual understanding and a 139–270% improvement in psychomotor skills related to device design, measurement, and troubleshooting. Teachers reported enhanced capacity in contextual and multimodal instructional design, while community members recognized the model’s relevance to local energy needs. The study demonstrates that culturally grounded, low-cost engineering activities can strengthen STEM learning in resource-constrained coastal settings. These results have implications for integrating ethnoscience into vocational curricula, supporting equitable education, preserving local knowledge, and accelerating the adoption of community-based renewable technologies. This model offers a measurable pathway for policy development in vocational education, energy transition, and fisheries.
Optimization of the Air Compressor to Get Good Compressed Air In MV. Dewi Amabarwati Diah Zakiah; Arif Hidayat; Benny Syahrir Abdurohman
Dinasti International Journal of Education Management And Social Science Vol. 4 No. 1 (2022): Dinasti International Journal of Education Management and Social Science (Octob
Publisher : Dinasti Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31933/dijemss.v4i1.1518

Abstract

Transportation is one of the supporting factors for the smooth running of the economy in a country. One of the transportation is sea transportation because it is more effective and efficient. For this reason, the ship which is the main factor in the smooth operation of sea transportation must be prepared in its operation, the main thing that can support the smooth running of a ship is the smooth operation of the main engine. In general, the main engine on board the ship uses a diesel engine type, and the starting system uses compressed air where the compressed air is produced by the compressor auxiliary aircraft, so it can be said that the compressor has an important role in the operation of the ship. The compressor is one of the aircraft that is used to compress low-pressure air with higher pressure. During the operation of the main engine when the motion occurs, sometimes there are obstacles or obstacles that cause damage to the air compressor, so the compressor cannot work optimally. This results in the process of filling the main engine starting water for too long and can affect the smooth process of movement. The purpose of this study is to find out the obstacles or obstacles that can interfere with the main engine of the composer. The method used by the author in this study uses descriptive qualitative with several methods, namely, approach methods and data collection techniques. In the discussion in this study the author by finding several solutions to problems carrying out maintenance on engine room blowers and routines on the compressor as well as cleaning rust on the plunger and parts of the auto drain solenoid valve. The conclusions obtained in this study must maintain the air temperature in the engine room and always clean the high-pressure valve and low-pressure valve and pay attention to the compressor temperature so it doesn't get too hot because it can produce worse air.
Design of a Solar Cell Power Generation System for Utilizing Fuel on Ships Agus Priyanto; Diah Zakiah; Damoyanto Purba; Retno Sawitri Wulandari
Dinasti International Journal of Education Management And Social Science Vol. 5 No. 6 (2024): Dinasti International Journal of Education Management and Social Science (Augus
Publisher : Dinasti Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.38035/dijemss.v5i6.3008

Abstract

The aim of this research is to determine the design of a solar cell power generation system for utilizing fuel on ships at PT. Universal Manunggal Chakra. In this research, the type of research used is Research and Development. Seeing these things, researchers are interested in developing a solar cell power generation system to supply electricity on ships and applying a solar cell power generation system to supply electricity on ships. The results of the research state that the results of the manufacture and development of a prototype solar cell power generator can be concluded that the product is suitable, so it can be applied on ships. This can be proven from the test results by having a percentage of 96.25% in the appropriate category, so that the power generator prototype can supply electricity to the diesel generator on the MT.Hendropriyono III ship.  
Technological Advancements in Maritime Education: A Collaborative Approach Diah Zakiah; Bambang Kurniadi; Irfan Wahyunanda; Panderaja Soritua Sijabat; Yusuf Pria Utama; Pesta Veri Ahmadi
Jurnal Penelitian Sekolah Tinggi Transportasi Darat Vol 16 No 1 (2025): June 2025
Publisher : Politeknik Transportasi Darat Indonesia - STTD Bekasi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55511/jpsttd.v16i1.727

Abstract

This qualitative research examines the integration of industry professional expertise within maritime engineering education through comprehensive analysis of perspectives from four maritime industry professionals and four academic educators. The study employs descriptive analytical methodology to investigate knowledge transfer effectiveness and technological innovation adoption within maritime engineering education programs. Findings reveal significant gaps between industry competency requirements and current educational outcomes, particularly in practical problem-solving capabilities, technology adaptation skills, and collaborative decision-making competencies. Industry professionals consistently rate educational effectiveness lower than academic educators across critical competency domains, indicating substantial opportunities for improvement through enhanced industry-academia collaboration. The research identifies mentorship programs, collaborative projects, and innovative assessment methodologies as high-impact approaches for addressing educational enhancement opportunities. Technology integration analysis reveals critical gaps between current educational practices and industry technological advancement, emphasizing urgent needs for systematic approaches to maintaining curriculum relevance. The study establishes evidence-based frameworks for sustainable industry-academia collaboration that can enhance maritime engineering education effectiveness while addressing evolving industry competency requirements. Results demonstrate that systematic integration of professional expertise yields measurable improvements in student engagement, graduate employment outcomes, and industry satisfaction with educational programs.
Utilization of Solar Cell Power Generation System to Reduce Fuel Consumption on MT. Hendropriyono III Agus Priyanto; Diah Zakiah; Damayanto Purba
Meteor STIP Marunda Vol. 16 No. 1 (2023): Vol 16 No 1 (2023): June
Publisher : Meteor STIP Marunda

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

The use of fossil fuels as the primary energy source for ship power generation has led to increasing environmental concerns, particularly regarding greenhouse gas emissions and fuel depletion. This study investigates the utilization of a solar cell power generation system as an alternative energy source to reduce fuel consumption on MT. Hendropriyono III, a tanker vessel operated by PT. Cakra Manunggal Semesta. Employing a Research and Development (R&D) methodology according to Sugiyono's model, a prototype of a solar photovoltaic (PV) system was designed, validated by an expert, and tested. The prototype consisted of a 60W monocrystalline solar panel, a solar charger controller (SCC), a 12V/5Ah battery, and a 300W inverter. Testing over three days under overcast conditions in Jakarta yielded an average voltage output of 12.21–12.57V during peak sunlight hours (07:00–15:00) and sustained a 6W AC lamp load for approximately 10 hours. Expert validation scored the prototype at 100% suitability, while a trial assessment by 15 marine engineering cadets rated it at 96.25% ("suitable"). Scaling the design for onboard application, two SunPower E20-435-COM panels (435 Wp each) installed on the wing deck (123.24 m²) would generate approximately 4.35 kWh per day under an assumed 5-hour peak sun equivalent, sufficient to supply navigation deck lighting loads of 3.953 kWh/day. The resulting reduction in diesel generator load from 440 kW to 433 kW during anchorage translates to an estimated annual fuel saving of 11,542 liters of LSFO, equivalent to approximately Rp 191,597,200 per year, with a return on investment period of approximately 1.9 months against an initial installation cost of Rp 30,572,000. These findings demonstrate that solar PV integration on vessels operating in Indonesian waters is technically feasible and economically advantageous, supporting IMO MARPOL Annex VI emission reduction objectives.
Co-Authors Agus Priyanto AGUS PRIYANTO Agus Priyanto Ala, Asman Arif Hidayat ARIF HIDAYAT Asman Ala Bambang Kurniadi Benny Syahrir Abdurohman Benny Syahrir Abdurohman Budhi Hascaryo Iskandar Damayanto Purba Damoyanto Purba Deny Fitrial Dongoran, Rosita Fadly, Faisal Harun Al Rasyid Indra Jaya Irfan Wahyunanda Karlisa Priandana M. Nurdin Marhamah, Aulia Panderaja Soritua Sijabat Pesta Veri Ahmadi Purba, Damoyanto Putri, Nur Azizah Rahmat, Ayi Ramadhan, Fahriza Retno Sawitri Wulandari Sahkholid Nasution Sawitri Wulandari, Retno Sibarani, Maurirz Sri Harni Vidya Selasdini Widha Kurnia Yunez Husen , Akbar Yuni Mariah Yusuf Pria Utama