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All Journal International Journal of Marine Engineering Innovation and Research Impression : Jurnal Teknologi dan Informasi Indonesian Journal of Innovation Multidisipliner Research
Agus Prawoto
Politeknik Pelayaran Surabaya
Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Physics Transportation

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Overflow Analysis on the FO Purifier of KM Tanto Sukses Vessel Bagas Sadewo; Agus Prawoto; Trisnowati Rahayu; Azis Nugroho; Nasri; Rama Syahputra; Imam Sutrisno
International Journal of Marine Engineering Innovation and Research Vol. 10 No. 2 (2025)
Publisher : Department of Marine Engineering, Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j25481479.v10i2.6439

Abstract

This research aims to analyze the factors that cause overflow in the fuel oil purifier system and to identify measures that can be taken to address this issue using the Failure Mode and Effect Analysis (FMEA) method. Overflow in the fuel oil purifier can disrupt the fuel purification process, which is crucial for engine performance. Therefore, understanding the causes and appropriate solutions is essential. The analysis results indicate that the factors causing overflow include leakage or wear of vital components such as O-rings, gravity discs, belts, bowls, main seal rings, ball bearings, nozzles, and pilot valves, as well as improper installation of components or blockages due to debris obstructing the flow. Overflow can be managed through regular inspections of components prone to wear or damage, routine cleaning of components that are susceptible to clogging, and continuous monitoring and calibration of the system to ensure the purifier operates optimally. By implementing these measures, the fuel oil purifier system is expected to function efficiently, reduce the risk of overflow, and enhance the reliability of the fuel purification process.
Underwater Remotely Operated Vehicle Control System Ar-chitecture Imam Sutrisno; Yuning Widiarti; Projek Priyonggo; Tri Mulyatno Budhi Hartanto; Ari Wibawa Budi Santosa; Faris Nofandi; Monika Retno Gunarti; Agus Prawoto; Anak Agung Istri Sri Wahyuni
Indonesian Journal of Innovation Multidisipliner Research Vol. 2 No. 2 (2024): April - Juni
Publisher : Institute of Advanced Knowledge and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.69693/ijim.v2i2.132

Abstract

Underwater Remotely Operated Vehicle (ROV) control system architecture, work Class II - underwater inspection is demonstrated. The object is programmed on MATLAB simulink. The nonlinear modeled plants were processed by approximation way. Author planned a controller of an underwater ROV object. PID controller is used modeled plant. Tuning PID tool is used MATLAB for choose underwater ROV controller. Researchers tested an underwater ROV for system and solving problems an underwater ROV architecture.
Analisis Tidak Optimalnya Kinerja Aeration Blower Pada Sewage Treatment Plant Type SBT-40 di MV. Muhasyir Bagus Purwo Samudra; Dirhamsyah; Elly Kusumawati; Antonius Edy Kristiyono; Agus Prawoto
Impression : Jurnal Teknologi dan Informasi Vol. 4 No. 2 (2025): July 2025
Publisher : Lembaga Riset Ilmiah

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59086/jti.v4i2.941

Abstract

Pelayaran memiliki peran vital dalam sejarah, ekonomi, dan lingkungan, khususnya di negara kepulauan seperti Indonesia. Salah satu aspek penting dalam pengoperasian kapal modern adalah pengolahan limbah melalui Sewage Treatment Plant (STP), di mana aeration blower berfungsi menyediakan oksigen bagi bakteri aerob yang menguraikan limbah. Penelitian ini menganalisis ketidakoptimalan kinerja aeration blower pada STP tipe SBT-40 di kapal MV. Muhasyir. Penurunan tekanan udara dari 0,02 MPa menjadi 0,008 MPa menyebabkan bau tidak sedap dan gangguan proses biodegradasi. Metode penelitian meliputi observasi, wawancara, studi dokumentasi, dan tinjauan pustaka. Hasil menunjukkan kerusakan pada rotor dan bearing blower akibat kurangnya perawatan berkala dan pelaksanaan Planned Maintenance System (PMS) yang tidak konsisten. Faktor penyebab dianalisis menggunakan diagram fishbone, mencakup aspek manusia, mesin, metode, material, lingkungan, dan pengukuran. Solusi yang diusulkan meliputi pelatihan teknis, inspeksi rutin, penggantian komponen aus, serta pemasangan sensor tekanan dan getaran. Penelitian ini menekankan pentingnya perawatan preventif dan sistem monitoring untuk menjaga efektivitas STP dalam mendukung pelayaran ramah lingkungan.   Shipping has a vital role in history, economy, and the environment, especially in an archipelagic country like Indonesia. One of the important aspects of modern ship operation is the treatment of waste through the Sewage Treatment Plant (STP), where the aeration blower functions to provide oxygen for aerobic bacteria that decompose waste. This study analyzes the non-optimal performance of aeration blower in SBT-40 type STP on MV ships. Muhasyir. A decrease in air pressure from 0.02 MPa to 0.008 MPa causes unpleasant odors and disruption of the biodegradation process. The research methods include observation, interviews, documentation studies, and literature reviews. The results showed damage to the rotor and blower bearings due to lack of periodic maintenance and inconsistent implementation of the Planned Maintenance System (PMS). The causative factors were analyzed using fishbone diagrams, including human, machine, method, material, environmental, and measurement aspects. The proposed solution includes technical training, regular inspections, replacement of wear components, and installation of pressure and vibration sensors. This study emphasizes the importance of preventive maintenance and monitoring systems to maintain the effectiveness of STPs in supporting environmentally friendly shipping.  
Analisis Sistem Pembakaran Burner Boiler Di Atas Kapal MV. Tanto Abadi I Gede Widhyantara Erix Nugroho; Trisnowati Rahayu; Antonius Edy Kristiyono; Monika Retno Gunarti; Agus Prawoto
Impression : Jurnal Teknologi dan Informasi Vol. 4 No. 2 (2025): July 2025
Publisher : Lembaga Riset Ilmiah

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59086/jti.v4i2.962

Abstract

Penelitian ini bertujuan untuk menganalisis penyebab kegagalan pembakaran awal pada sistem burner boiler di kapal MV. Tanto Abadi, serta mengevaluasi efektivitas tindakan perawatan dalam mengoptimalkan kinerja sistem. Metode penelitian yang digunakan adalah deskriptif kualitatif, dengan teknik pengumpulan data berupa observasi, wawancara, dan dokumentasi. Hasil penelitian menunjukkan bahwa penyebab utama kegagalan pembakaran adalah kondisi nozzle yang kotor, sistem ignition yang tidak presisi, blower yang tidak optimal, tekanan bahan bakar yang tidak stabil, serta kualitas bahan bakar yang buruk. Dampak dari kegagalan ini meliputi tertundanya produksi steam, peningkatan konsumsi bahan bakar, dan sistem shutdown otomatis. Setelah dilakukan perawatan seperti pembersihan nozzle dan elektroda, penyetelan ulang jarak elektroda, serta penggantian packing burner, performa sistem menunjukkan peningkatan signifikan. Tekanan bahan bakar dan uap kembali ke kondisi optimal, dan proses produksi berjalan stabil. Kegiatan perawatan rutin serta keterlibatan aktif kru dan kadet dalam proses teknis turut berkontribusi terhadap keberhasilan sistem pembakaran.   This study aims to analyze the causes of initial combustion failure in the burner boiler system onboard MV. Tanto Abadi, and to evaluate the effectiveness of maintenance actions in optimizing system performance. The research method used is qualitative descriptive, with data collection techniques including observation, interviews, and documentation. The findings indicate that the main causes of combustion failure are dirty nozzles, imprecise ignition systems, suboptimal blower performance, unstable fuel pressure, and poor fuel quality. The impacts include delayed steam production, increased fuel consumption, and automatic shutdowns. After performing maintenance such as nozzle and electrode cleaning, electrode gap adjustment, and burner packing replacement, the combustion system performance improved significantly. Fuel and steam pressure returned to optimal conditions, and the steam production process became stable. Routine maintenance activities and active involvement of the crew and cadets in technical processes contributed to the success of the combustion system.  
Identifikasi Kinerja Fresh Water Maker Reverse Osmosis Untuk Memenuhi Kebutuhan Air Tawar Di Kapal CTS. Bulk Java Choirul Anam; Agus Prawoto; Rika Fitriani; Aziz Nugroho; Antonius Edy Kristiyono
Impression : Jurnal Teknologi dan Informasi Vol. 4 No. 2 (2025): July 2025
Publisher : Lembaga Riset Ilmiah

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59086/jti.v4i2.980

Abstract

Penelitian ini bertujuan untuk mengidentifikasi penyebab tidak optimalnya kinerja Fresh Water Maker (FWM) berteknologi Reverse Osmosis (RO) di kapal CTS. Bulk Java, serta dampaknya terhadap operasional kapal. Metode yang digunakan adalah pendekatan deskriptif kualitatif melalui observasi langsung, wawancara dengan engineer kapal, dan dokumentasi sistem. Hasil penelitian menunjukkan bahwa penurunan produksi air tawar dari 1.000 L/jam menjadi 800 L/jam disebabkan oleh kerusakan pada mechanical seal feed pump, umur filter yang telah melebihi batas kerja, serta kebocoran pada pipa membran. Kondisi ini berdampak pada kebutuhan harian kru kapal dan menambah biaya operasional karena perlunya pengisian air tawar dari darat. Upaya perbaikan mencakup penggantian komponen rusak seperti impeller, filter, dan perbaikan pipa. Setelah overhaul, FWM kembali beroperasi optimal. Penelitian ini merekomendasikan inspeksi dan perawatan berkala untuk menjaga kinerja sistem FWM RO secara berkelanjutan.   This study aims to identify the causes of the suboptimal performance of the Reverse Osmosis-based Fresh Water Maker (FWM) system on the CTS. Bulk Java ship and its impact on ship operations. The research uses a qualitative descriptive method through direct observation, interviews with ship engineers, and system documentation. The findings show that the decline in freshwater production from 1,000 L/hour to 800 L/hour was due to damage to the feed pump’s mechanical seal, expired filter life, and leaks in the membrane pipe. This condition disrupted crew water supply and increased operational costs due to the need for freshwater bunkering from the shore. Repairs included replacing damaged components such as the impeller and filters, and repairing the leaking pipe. After the overhaul, the FWM resumed optimal performance. The study recommends routine inspection and maintenance to sustain the reliability of the FWM RO system  
Co-Authors Anak Agung Istri Sri Wahyuni Antonius Edy Kristiyono Ari Wibawa Budi Santosa Azis Nugroho Aziz Nugroho Bagas Sadewo Bagus Purwo Samudra Choirul Anam Dirhamsyah Elly Kusumawati Faris Nofandi I Gede Widhyantara Erix Nugroho Imam Sutrisno Imam Sutrisno Monika Retno Gunarti Nasri Projek Priyonggo Sumangun Lukitadi Rama Syahputra Rika Fitriani Tri Mulyatno Budhi Hartanto Trisnowati Rahayu Yuning Widiarti