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All Journal JURNAL GALUNG TROPIKA Meteor STIP Marunda Indonesian Journal of Pharmaceutical and Clinical Research Dinamika Bahari: Journal of Maritime Dynamic IJGIE (International Journal of Graduate of Islamic Education) Indonesian Journal of Applied Research (IJAR) Dirgamaya: Jurnal Manajemen dan Sistem Informasi Indonesian Journal of Community Empowerment (IJCE) Journal of Engineering Science and Technology Management MULTIPLE: Journal of Global and Multidisciplinary Aslamiah: Jurnal Pendidikan, Ekonomi, Sosial dan Budaya AL-KARIM: Journal of Islamic and Educational Research Jurnal Kesehatan Republik Indonesia BA: Jurnal Pengabdian kepada Masyarakat Journal of Education and Science (EDUSAINS)
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Religion Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Dentistry Economics, Econometrics & Finance Education Electrical & Electronics Engineering Engineering Environmental Science Health Professions Immunology & microbiology Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Mathematics Mechanical Engineering Medicine & Pharmacology Nursing Public Health Social Sciences Transportation Veterinary Other

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Analysis of the Decrease in Compressed Air Production of the Air Compressor onboard MT Seroja III Bayhaqi Putra; Nasri; Abdi Seno; Intan Sianturi; Rika Fitriani
Journal of Engineering Science and Technology Management (JES-TM) Vol. 6 No. 2 (2026): June 2026
Publisher : Journal of Engineering Science and Technology Management

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jestm.v6i2.409

Abstract

The air compressor is an essential auxiliary machinery onboard MT Seroja III, playing a critical role in supporting vessel maneuverability, operational safety, and main engine starting readiness. During operations, a critical reduction in compressed air production was encountered, leading to prolonged air reservoir filling times and potential risks during ship maneuvering. This study aims to identify the root causes of decreased compressed air production in the main air compressor onboard MT Seroja III and to formulate corrective and preventive maintenance actions based on onboard observations and Fault Tree Analysis (FTA). This research employs a qualitative descriptive method, utilizing continuous monitoring parameter logs, field inspections, and semi-structured interviews with engine officers over a 12-month sea service period. The diagnostic findings using FTA indicate that the decrease in volumetric efficiency was primarily caused by high-resistance suction filter blockages, severe carbon fouling on suction and delivery valves, and piston ring degradation. Corrective maintenance involving filter purging, valve refacing, and piston ring replacement successfully restored the compressor discharge pressure to 30 bar and reduced the air receiver filling time from 45 minutes to 15 minutes. The study concludes that strict adherence to the vessel's Planned Maintenance System (PMS) is mandatory to guarantee operational safety and prevent compression loss.
Analysis of the Effectiveness of the Marine Growth Prevention System (MGPS) in Preventing Marine Organism Growth in the Engine Cooling System of MV Ever Clear Brian Pratama Timur; Monika Retno Gunarti; Nasri; Intan Sianturi; Elly Kusumawati
Journal of Engineering Science and Technology Management (JES-TM) Vol. 6 No. 2 (2026): June 2026
Publisher : Journal of Engineering Science and Technology Management

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jestm.v6i2.414

Abstract

The ship engine cooling system is critical for maintaining the operational stability of main and auxiliary machinery. However, biofouling within sea chests and seawater pipelines remains a prevalent issue, leading to flow obstruction, reduced heat transfer efficiency, and potential engine malfunction. While the Marine Growth Prevention System (MGPS) is designed to mitigate this via electrolysis, marine growth persisted on MV Ever Clear, indicating suboptimal system performance. This study aims to analyze the effectiveness of the MGPS in preventing biofouling and to identify factors contributing to its performance degradation. Using a qualitative descriptive method with a case study approach, data were collected through direct onboard observation, interviews with the engineering crew, and document analysis. Results indicate that the decreased effectiveness was primarily caused by insufficient electrode maintenance, unstable electrical parameters (current and voltage), and inadequate operational monitoring. These deficiencies compromised the electrolysis process, preventing sufficient ion release. It is concluded that MGPS efficacy is contingent upon stable electrical parameters, rigorous preventive maintenance, and consistent operational supervision in accordance with established procedures.
Co-Authors Abdi Seno Akzad, Muhammad Bima Ali Imran Ritonga Annuru Ulaiya Ardiansyah, Andri Arif Hidayat Arnela Nur Aslamiyah B.K, Felicia A. Stevanie` Bayhaqi Putra Brian Pratama Timur casmono, isma kurnia Cintya, Henni Cut Ratna Keumala Deni Irwansyah Desi Almunadia Dharmawan, Hariyadi Edgar Pratama Elly Kusumawati Fida Rahmani Fiore Elang Arsyandi Fitri, Raissa Hamzah, Andi Siady Haro, Ginda Herdinata, Guntur Ratih Prestifa Jansen Silalahi Jufri, Sri Wahyuni Julia Reveny Lalu Muh. Fahri Larekeng, Siti Halima Linda Suryani lntan Liana Monika Retno Gunarti Muhammad Abduh Muhammad Yahyadin Munajat Nursaputra, Munajat Nilawati, Ika Nur Amin Nurdin Putri Rahmatul Yulia RAHMAT GUNAWAN ratna willis Rika Fitriani Rina Dewiana Roni Azmal Rusidah Sianturi, Intan Sibarani, Mauritz H. M Sibarani Simanjuntak, Marihot Suci, Nurul Urip Harahap Vera Estefania Kaban Yunitasari Zubaili