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Marine Science and Technology Journal
Published by Universitas IVET
ISSN : 27150305     EISSN : 27461580     DOI : https://doi.org/10.31331/maristec
Core Subject : Engineering,
Engineering
The range of topics extends from research in naval architecture, marine engineering, and ocean engineering to marine-related research in the fields of environmental science and technology, oceanography, computational mechanics, and information technology. In addition to original, full-length refereed contributions presenting new research and developments in the field, the journal also publishes review papers authored by leading authorities. Presents new research in naval architecture, marine engineering, and ocean engineering Covers marine-related research in environmental science and technology, oceanography, computational mechanics, and information technology Publishes original research contributions and reviews authored by leading authorities
Arjuna Subject : Teknik (semua kategori) - Teknik Kelautan
Articles 7 Documents
 1 
Search results for , issue "Vol 5 No 2 (2024): Marine Science and Technology Journal" : 7 Documents clear
Analisis Ketidakstabilan Performa Kerja Governor Mesin Diesel Penggerak Utama Pada Kapal MV Pekanbaru A, Hanung Satria; Pujiyanto, Fajar; Wilastari, Santhi; Puryadi, Puryadi
Marine Science and Technology Journal Vol 5 No 2 (2024): Marine Science and Technology Journal
Publisher : Universitas Ivet

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31331/maristec.v1i2.3259

Abstract

The diesel engine is a vital component that serves as the ship's main propulsion system. This engine plays a crucial role in the efficiency and operational stability of the ship. One of the important parts of a diesel engine is the governor, which functions to regulate the engine's rotational speed to keep it stable. Problems with the governor can cause engine speed instability, leading to operational issues, reduced fuel efficiency, and a higher risk of damage. The study uses observational methods to identify the main causes of engine speed instability due to governor failure. Basic data include measurements and observations, maintenance history, and records of past failures. Observations on engine speed instability caused by governor failure focus on electrical issues, material wear, and extreme temperatures. This research emphasizes the importance of good and routine maintenance for the governor. Maintenance includes regular inspections, electrical maintenance, and the replacement of worn components. The research results are expected to provide practical recommendations for ship technicians to improve maintenance activities and address diesel engine speed instability issues. Implementing the findings of this research is expected to enhance the overall safety and operational efficiency of the ship
Studi Tidak Tercapainya Temperature Secara Optimal pada Mesin Pendingin (Refrigerator) di Kapal MT. Kuang Fakhrozi, Rizal Fahmi; Darmana, Eka; Wilastari, Santhi
Marine Science and Technology Journal Vol 5 No 2 (2024): Marine Science and Technology Journal
Publisher : Universitas Ivet

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31331/maristec.v1i2.3355

Abstract

A refrigeration machine is a device used to transfer heat from indoors to outdoors to make the temperature of the room lower with the aim of cooling/preserving food. Cooling machines on MT ships. Kuang, when the ship was sailing, experienced that the optimal temperature was not reached, so it was necessary to observe this problem. So that action can be taken so that similar problems can be resolved and do not happen again. This research is based on a case study conducted on the MT ship. Kuang. The method that the author uses in collecting data is the observation method, namely a data collection method by making direct observations of the research object, an interview method with the author communicating with technicians regarding the problem being handled, as well as a literature study method, namely collecting references contained in relevant books, journals and studies. Approach to problem analysis using a qualitative descriptive method. From the results of the discussion carried out by the author, it is known that the optimal temperature was not achieved due to freon leaks in the evaporator pipe, dirty oil separator, dirty condenser and sea chest, and the cooling machine door not being tight. This is the impact of lack of maintenance on the cooling machine (refrigerator) and the cooling machine is quite old.
Peran Pendidikan Kemaritiman Dalam Menyongsong Era Global Kebangkitan Industri Maritim Berdasarkan Undang -Undang Tugino, Tugino; Harini, Harini
Marine Science and Technology Journal Vol 5 No 2 (2024): Marine Science and Technology Journal
Publisher : Universitas Ivet

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31331/maristec.v1i2.3279

Abstract

Indonesia as an archipelagic country (archipelagie) and 17,000 islands, both large and small, ports as a means of transportation have a role in the narrow sense, ports play a role as a place for ships to dock as a meeting point for both sea and land transportation modes for loading and unloading. for loading and unloading activities of goods or animals and passengers to and from ships. In a broad sense, the port is the gateway to the economy. Supported by reliable human resources from the role of Maritime Education as a leader or front guard who is skilled and qualified in accordance with their field. In welcoming the era of revival of the maritime transportation industry, Law number 17 of 2008 and Law number 32 of 2014 become references sea ??transportation in response to sea transportation activities and as an archipelagic country that has vast seas and long coastlines, the maritime and maritime sectors have become very strategic, which has be become the vision and mission of development management for both provincial/district, city and central governments.
Uji Kebisingan dan Getaran Mesin Sesuai Regulasi Guna Kenyamanan Kru Kapal Ary Akbary Musati, Ary Akbary; Prasetyo, Naufal Abdurrahman; Antartika, Meida Perwira
Marine Science and Technology Journal Vol 5 No 2 (2024): Marine Science and Technology Journal
Publisher : Universitas Ivet

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31331/maristec.v1i2.3272

Abstract

UNoise and vibration tests on ships are important things to pay attention to on ships for crew comfort. If these two things are not paid attention to, it can have an impact on the safety and health of the ship's crew and the construction of the ship itself. This test also aims to determine the human response to vibrations on the ship. This noise and vibration test is carried out during the sea trial process, which is carried out by the classification party. Test case study using TB objects. Marina 2229 which carries out the repair process at the shipyard located in Batam. The purpose of this test is to determine the suitability of the noise test results according to SOLAS 1974 Chapter II-1 part-A and vibration according to ISO 6954: 2000. The test is carried out using qualitative methods, where the results of this test are in the form of numbers, as well as direct observations in the field. The results obtained in all sections are a value interval of 74.1 - 107.1 dB. The noise value does not exceed the permitted SOLAS standard, namely <140 dB. Meanwhile, the vibration test obtained a value range of 0.4 - 3.4. All values obtained still meet ISO standards.
Pengaruh Exhaust Gas Cleaning System Gas Buang Yang Gagal Dimurnikan (Di Kapal MV Cosmo Gloria) priyanto, priyanto; Jayamahendra, Mohamad Alfadin
Marine Science and Technology Journal Vol 5 No 2 (2024): Marine Science and Technology Journal
Publisher : Universitas Ivet

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31331/maristec.v1i2.3184

Abstract

Starting January 1 2020, IMO implemented a low sulfur/low sulfur emission standard which applies to fuel oil used by ships, emission control is regulated by not exceeding 0.5% sulfur content in exhaust gas. To comply with these regulations, the Toei Korea company chose to use a new type of tool called a scrubber which is a tool for separating solid particles (dust) in the exhaust gas by using liquid as a tool which aims to reduce the sulfur content contained in the exhaust gas. This research aims to analyze whether EGCS (Exhaust Gas Cleaning System) is a factor that influences exhaust gas purification. This research also tested and analyzed the effect of EGCS (Exhaust Gas Cleaning System) on exhaust gas that failed to be purified in Mv. Cosmo Gloria EGCS (Exhaust Gas Cleaning System) is a device installed on marine vessels that literally "scrubs" harmful sulfur oxides from exhaust gases. This technology is usually installed on ships that are looking for compliance options in the face of stricter emissions. Efforts are made to carry out routine and periodic system maintenance plans, which in turn can reduce similar incidents on board ships. From this problem it can be concluded that maintenance on the lazer gas analyzer on the EGCS (Exhaust Gas Cleaning System) needs to be carried out regularly and in accordance with the instruction manual book created, so that problems can be identified as early as possible and prevent greater damage.
Analisa Perhitungan Diameter Pipa Kapal Berdaya Mesin 4000 BHP Pramono, Sri; Affiyanto, Deny
Marine Science and Technology Journal Vol 5 No 2 (2024): Marine Science and Technology Journal
Publisher : Universitas Ivet

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31331/maristec.v1i2.3233

Abstract

The pipeline system has an important role in the general service on board. Because without a pipeline system the pump as a means to move fluid from one place to another cannot flow or move the fluid. Pipeline systems in general include fuel pipes, lubricating oil pipes, fresh water pipes, sanitary water pipes, ballast water pipes, bilga pipes, fire pipes. Pipe installation systems include pipes, flanges, valves, separator attachments. The installation system is expected to produce an efficient pipe installation network both in terms of laying and safety in accordance with the classification regulations and from the installation guide specifications of the machining support system. In determining the diameter of fuel pipes, lubricating oil pipes, drinking water pipes, sanitary water pipes, ballast water pipes, bilga pipes, fire extinguisher pipes based on: type of fluid flowing in the pipe, volume of fluid to be moved, speed of fluid flow will be moved, also pay attention to the pressure due to friction.
Studi Literatur Pengaruh Kuat Arus, Waktu Perendaman, Dan Suhu Terhadap Hasil Elektroplating Suyanto, Suyanto; Wibowo, Riyanto
Marine Science and Technology Journal Vol 5 No 2 (2024): Marine Science and Technology Journal
Publisher : Universitas Ivet

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31331/maristec.v1i2.3285

Abstract

Currently, electroplating is widely used in the metal industry for various purposes, including improving the appearance and also preventing corrosion. Besides that, the mechanical properties of materials such as strength and hardness are also affected so that they will increase. The electroplating process is a process for coating metal by dipping the material to be coated into an electrolyte solution that carries a direct electric current to the dipped electrode. The materials coated in the electroplating process are usually low and medium carbon steel. The coating materials that are often used are nickel, chrome, zinc and copper. Electroplating process variables greatly influence the results achieved. In this article, we will discuss the influence of current strength, immersion time, and temperature of the electrolyte solution on the results of the electroplating process. The properties of electroplating results discussed are layer thickness, corrosion resistance, and hardness.

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