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Ocean Engineering: Jurnal Ilmu Teknik dan Teknologi Maritim
Published by Universitas Maritim AMNI Semarang
ISSN : 29635012     EISSN : 29635454     DOI : 10.58192
Core Subject : Engineering,
Engineering Mechanical Engineering
Menyambut baik kiriman yang memberikan wawasan tentang masalah terkini dan utama yang berhubungan dengan ilmu Teknik dan Teknologi Maritim. Artikel bisa ditulis dalam bahasa Inggris atau bahasa Indonesia.
Arjuna Subject : Teknik (semua kategori) - Teknik Kelautan
Articles 13 Documents
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Search results for , issue "Vol. 3 No. 2 (2024): Juni : Jurnal Ilmu Teknik dan Teknologi Maritim" : 13 Documents clear
Analisis Komparatif Pemantauan Kualitas Udara Ambien di Surabaya Pada Tahun 2023 Fajar Shufi Fauzianto; Munawar Ali
Ocean Engineering : Jurnal Ilmu Teknik dan Teknologi Maritim Vol. 3 No. 2 (2024): Juni : Jurnal Ilmu Teknik dan Teknologi Maritim
Publisher : Fakultas Teknik Universitas Maritim AMNI Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58192/ocean.v3i2.2085

Abstract

This research aims to analyze ambient air quality in the city of Surabaya, with a focus on four main locations: industry, transportation, offices and residential areas during two different periods, the dry season and the rainy season in 2023. This analysis is important for assessing the influence of urbanization and industrial activity. to the environment and public health. The method used is descriptive and comparative observational, where measurements are made of main pollutant parameters such as SO2, CO, NO2, O3, Pb, NMHC, PM10, PM2.5, and TSP. Sampling was carried out twice at each location, in accordance with SNI 19-7119.6-2005 and PPRI No. 22 of 2021 standards. The research results showed that the concentrations of all pollutants were below the specified threshold, indicating the effectiveness of existing air control policies. However, there are differences in pollutant concentrations between locations and significant seasonal changes, requiring more dynamic and tailored pollution management strategies. The study's conclusions suggest the importance of continuous monitoring, increased green space, public education about pollution, as well as stricter policies to control pollutant emissions. This research provides valuable empirical data for policy makers to develop effective strategies for managing air quality and reducing health risks in Surabaya..
Analisis Sebaran Emisi Pembangkit Listrik Tenaga Mesin Gas di Kota Batam Menggunakan Software Aermod Riko Ferdinand Abdillah; Yayok Suryo Purnomo
Ocean Engineering : Jurnal Ilmu Teknik dan Teknologi Maritim Vol. 3 No. 2 (2024): Juni : Jurnal Ilmu Teknik dan Teknologi Maritim
Publisher : Fakultas Teknik Universitas Maritim AMNI Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58192/ocean.v3i2.2087

Abstract

Currently, the government is increasingly building PLTMG to fulfill the electricity needs of the society. Beside for fulfill the electricity needs of the Indonesian people, PLTMG also has a negative impact on the society, especially for the community around the PLTMG in the city of Batam. So companies need to conduct studies on environmental impacts, one of which is the impact of the air produced on the surrounding area. The PLTMG industry does not use air pollution control devices, but uses a leanox combustion control system on each gas engine with a chimney outlet that emits SO2 and particulate emissions. The model simulation was carried out using Aermod view software with meteorological data from the affected locations. The results of AERMOD modeling show that the PLTMG industry will have an impact on particulate emissions in the ambient air around the activity location which will spread to the northwest, north, south and east of the activity location. The Aermod Model also shows that current conditions have resulted in dispersion with concentrations below the maximum limit stated in the 2021 Government Regulation. The addition of an emission monitoring system such as CEMS can be used to help monitor the concentration of dispersed emissions. Apart from that, emission control devices such as incinerators or combustion can also be used to reduce the concentration of the emissions used.
Rancang Bangun Smart Pond Berbasis Internet Of Things (IoT) Muhammad Faris Rian Yazid; Diana Alia; Faris Nofandi
Ocean Engineering : Jurnal Ilmu Teknik dan Teknologi Maritim Vol. 3 No. 2 (2024): Juni : Jurnal Ilmu Teknik dan Teknologi Maritim
Publisher : Fakultas Teknik Universitas Maritim AMNI Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58192/ocean.v3i2.2111

Abstract

In the hold of the fishing boat, it is currently unable to control the pH of the water in accordance with the living environment of the fish. The pH of the water also needs to be considered so that the fish can survive. In addition, fish feeding on fishing vessels is also very necessary. The purpose of this research is to design a system that can control pH, fish feeding, fish water replacement. in the fish hold using an IoT-based microcontroller. The method used in this research uses quantitative methods through system design, design software design models, product trials.This method is used This research method includes steps taken to design and implement the system, as well as tests carried out to ensure the performance and success of the designed system. The results of the data designed by the system are analyzing the data in testing this tool according to its function. The accuracy of using the tool when feeding is 90.5% and the percentage error is 9.5%. The accuracy of using the tool when draining mode is 100% with a percentage error of 0%. And for the results of the percentage error of the pH sensor when the mode is on by 100% with a percentage error of 0%. This shows that the Smart Pond system designed has a high level of accuracy in terms of fish feeding and pond draining.
Rancang Bangun Sistem Radar Menggunakan Mikrokontroler untuk Pendeteksi Objek Otomatis Nicole Mahdi Wardana
Ocean Engineering : Jurnal Ilmu Teknik dan Teknologi Maritim Vol. 3 No. 2 (2024): Juni : Jurnal Ilmu Teknik dan Teknologi Maritim
Publisher : Fakultas Teknik Universitas Maritim AMNI Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58192/ocean.v3i2.2180

Abstract

Radar (Radio Detection and Ranging) is a technology that has been widely used in various fields. fields. Such as ship navigation, aviation industry, air traffic surveillance, weather monitoring, and security applications. air traffic control, weather monitoring, and security applications. Radar utilizes electromagnetic signals to detect, track, and determine the distance and position of surrounding objects. of objects in the vicinity.
Effectiveness Of Using ECDIS Learning Media Software For Computer Based Learning Arif Rakhman Suharso
Ocean Engineering : Jurnal Ilmu Teknik dan Teknologi Maritim Vol. 3 No. 2 (2024): Juni : Jurnal Ilmu Teknik dan Teknologi Maritim
Publisher : Fakultas Teknik Universitas Maritim AMNI Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58192/ocean.v3i2.2182

Abstract

The use of computers in the development of Electronic Chart Display and Information System (ECDIS) teaching materials can be used to assist lecturers in learning activities on vocational campuses as well as other materials in the Computer Base Training (CBT) laboratory at the Indonesian Maritime Polytechnic. The CBT laboratory provides learning materials on ship machinery systems and multiple choice questions for learning evaluation. The purpose of this study was to determine the level of effectiveness of the use of ECDIS material learning media software when used computer-based. The method used in this study is a qualitative method by looking at the final grades of students. This software consists of 42 slides of ECDIS material theory, 1 slide of ECDIS material video tutorial, 1 slide of ECDIS material practice, 20 slides of multiple choice evaluation questions, and 1 slide of final grades made using Visual Basic software. The results of the test showed that all cadets who attended the lecture were successful in using the software until the final grade was obtained.
Rancang Bangun Kapal Tanpa Awak Guna Mendeteksi Navigation Lamp Untuk Menghindari Tubrukan Akhmad Rizqi Aprilianto; Sri Mulyanto H; Siti Fatimah; Henna Nurdiansari; Akhmad Kasan Gupron
Ocean Engineering : Jurnal Ilmu Teknik dan Teknologi Maritim Vol. 3 No. 2 (2024): Juni : Jurnal Ilmu Teknik dan Teknologi Maritim
Publisher : Fakultas Teknik Universitas Maritim AMNI Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58192/ocean.v3i2.2215

Abstract

The Unmanned ships have become a primary focus in maritime technology development to enhance efficiency and navigational safety in waters. In this research, a unmanned ship utilizing ESP32CAM as its core system is designed to detect navigation lights of other vessels and avoid potential collisions. The initial response of the ESP32CAM camera reads the colors of lights approaching the unmanned ship within a distance of less than 100cm. The ESP32CAM reads and identifies colors through image processing. When the ESP32CAM detects green and red lights, it commands the buzzer to sound. The color detection system works such that when the ESP32CAM detects a red light, it sends a signal to the servo motor to move left, and when it detects a green light, it sends a signal to the servo motor to move right. The servo motor functions as the ship's rudder. Testing of the navigation light system with ESP32CAM camera to prevent ship collisions is conducted with predetermined scenarios, including testing with red LEDs, green LEDs, and overall system testing. The results show that the navigation light system with ESP32CAM camera functions well. The ESP32CAM camera can optimally identify light colors at a distance of 100cm. Based on the conducted research, the ESP32CAM camera is capable of reading both the distance and colors of lights as specified at a distance of 100cm.
Model Pendukung Keputusan Berbasis Analitical Hierarchy Process Dalam Pemenuhan Alat Keselamatan Kapal Motor Tradisional Prakoso, Muhammad Ravi; Pratomo, Sunu Arsy; Diansisti, Anisa
Ocean Engineering : Jurnal Ilmu Teknik dan Teknologi Maritim Vol. 3 No. 2 (2024): Juni : Jurnal Ilmu Teknik dan Teknologi Maritim
Publisher : Fakultas Teknik Universitas Maritim AMNI Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58192/ocean.v3i2.2429

Abstract

Traditional wooden motorboats are ships that are built traditionally based on the experience of the builder without a basic design process like modern ships. The sizes of traditional wooden ships are usually small and are mostly used as fishing vessels, passenger ships and inter-island cargo ships, especially in eastern Indonesia. Traditional wooden motor boats have become a means of local transportation to serve shipping needs in the regions and as a means of local transportation. Sailing certainly has various problems which can be caused by weather factors, the condition of shipping lanes, other ships, and things beyond human capabilities, which can cause shipping disruptions and even cause emergencies. Emergency means a situation outside normal conditions that occurs on board a ship which has a tendency to endanger human life, property, objects and the environment where the ship is located. One way to anticipate emergency events is to provide safety equipment. IMO (International Marine Organization) as a maritime world organization issued SOLAS (Safety of Life at Sea) which contains provisions regarding what safety equipment is on board ships such as Life Jackets, Ring Buoys and Fire Extinguisher. However, in fact, fulfilling the safety equipment requires independent costs from traditional motorboat owners so there is a priority in fulfilling the safety equipment. Based on the results of the Analytical Hierarchy Process calculations in priority fulfillment of safety equipment with the final result of 36.6% Life Jacket, 30.8% Ring Buoy and 33.6% Fire Extinguisher. With these results, ship owners can determine their priorities in anticipating future emergencies
Analisis Faktor Yang Mempengaruhi Waktu Tunggu Kapal Di Pelabuhan Tanjung Intan Cilacap Mawardi, Kholid; Santoso , Wahyudi; Weda , Iwan; Yulianto, Yulianto
Ocean Engineering : Jurnal Ilmu Teknik dan Teknologi Maritim Vol. 3 No. 2 (2024): Juni : Jurnal Ilmu Teknik dan Teknologi Maritim
Publisher : Fakultas Teknik Universitas Maritim AMNI Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58192/ocean.v3i2.2431

Abstract

The waiting time for ships is one of the problems that must be a concern at Tanjung Intan Port Cilacap and which is very influential for the smooth process of unloading coal from coal carriers to Tanjung Intan Port, Cilacap. This study aims to determine the factors that affect the ship's docking schedule, pilotage services, loading and unloading productivity on the waiting time of the ship. This research was conducted at Tanjung Intan Port, Cilacap. Data was collected through observation, literature study, interviews, documentation and questionnaires. The analysis technique used is multiple linear regression with the help of SPSS V.26 program. Based on the results of research and multiple analysis, the following equations are generated:Y = 0.254 +0.297X1+0.585X2+0.177X3+µ. Based on empirical facts and the results of multiple linear regression equations, it is shown that the Ship docking schedule variable (X1) has t count (3.409) > t table (1.98373), pilotage service variable (X2) has t count (5.809) > t table (1.98373), and loading and unloading productivity (X3) has t count (2.967) > t table (1.98373). As for the value of the adjuster R2 = 0.582. This means that 58.2% of the dependent variable (Y) can be explained by the independent variables, namely Ship docking schedules, guidance services, and loading and unloading productivity. While the rest (100% - 58.2%) = 41.8% is explained by other reasons outside the variables studied. Thus, the results of the study show that the availability of docks, guidance services, and loading and unloading productivity has a positive and significant effect on waiting time for ships at Tanjung Inttan port, Cilacap.
Analisis Tingkat Kebisingan di Kamar Mesin Kapal MT. Suchaonugnum Serta Pemilihan Peredaman Wa’addulloh, Mu’izzaddin; Purwanto, Purwanto
Ocean Engineering : Jurnal Ilmu Teknik dan Teknologi Maritim Vol. 3 No. 2 (2024): Juni : Jurnal Ilmu Teknik dan Teknologi Maritim
Publisher : Fakultas Teknik Universitas Maritim AMNI Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58192/ocean.v3i2.2455

Abstract

Noise can be defined as a sound or noise that can disturb comfort and health and can cause deafness. Noise that occurs continuously with high intensity can unconsciously affect the health of the Crew (ABK) who are on duty on the ship. Health problems can occur because the ABK are required to be in the ship's engine room which can last a very long time according to the route of the ship's voyage. This study aims to determine and analyze the noise in the engine room and accommodation room on the ferry. The data analysis technique used in this study is noise measurement and analysis of measurement data. The results of the study showed that there was 1 room on the MT. Suchaonugnum ship that did not meet the standards of the Indonesian Classification Bureau and MSC.337(91), including the engine control room. The highest noise source produced in the engine room is produced by the auxiliary engine. While in the lounge room, passenger accommodation room and VIP Room the highest sound source is produced by the sound system. The sound system that is always turned on when the ship is operating is one of the sources of noise that makes the noise level in the passenger accommodation room not in accordance with the MSC.337(91) standard because the sound pressure is too high. The noise level in the passenger accommodation space can be overcome by reducing the sound pressure on the sound system.
Manajemen Perawatan Kompresor Udara Pada Mesin Induk di KM Umsini Haryadi, Sugeng; Pratomo, Sunu Arsy
Ocean Engineering : Jurnal Ilmu Teknik dan Teknologi Maritim Vol. 3 No. 2 (2024): Juni : Jurnal Ilmu Teknik dan Teknologi Maritim
Publisher : Fakultas Teknik Universitas Maritim AMNI Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58192/ocean.v3i2.2469

Abstract

The smooth operation of the ship is inseparable from the support of auxiliary aircraft with good work and maintenance systems. The compressor as a producer of compressed air which will be used for the initial ignition of the main engine, and auxiliary engines as well as working air services in the engine section and the deck section. Thus, maintenance needs to be carried out so that the required air capacity can be fulfilled at any time. For the smooth operation of the machine, good maintenance management is needed so that its condition is maintained and when it is used there are no problems and it can work optimally. Many experts say that how important it is to make a good maintenance management. The method used in this research is the field research method supported by conducting interviews with several parties related to the research topic and supported by library research methods. To carry out maintenance and repairs to the air compressor on the main engine at KM Umsini, it is necessary to carry out maintenance and repair management which includes planning, organizing, implementing and finally controlling. The suggestion that the author can convey is that the ship's crew, especially the engineers, learn correctly the workings or functions of the air compressor on the main engine so that when the ship is operating it experiences problems that can be resolved properly.

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