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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 5 Documents
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Search results for , issue "Vol 4 No 1 (2023): Marine Science and Technology Journal" : 5 Documents clear
K Keselamatan Pengelasan di Kapal Kalimantan Jaya Karya pada PT. Samudra Fishing Industri Cilacap Hendrawan, Andi
Marine Science and Technology Journal Vol 4 No 1 (2023): Marine Science and Technology Journal
Publisher : Universitas Ivet

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31331/maristec.v3i2.2472

Abstract

Pekerjaan las merupakan pekerjaan yang penih dengan resiko, karen berhdapan dengan potensi Bahasa antara lain panas, sinar , api dan setiap saat bisa mengancam jiwa. Karean potensi bahaya yang begitu besar maka fasilitas dan prosedur kesalamatan harus tersedia dan dilksanakan secara optimal. Pnelitian bertuuan untuk menilai fasilitas dan pesepsi pekerja las terhadap fasilitas perusahaan yang terssedia. Metode penelitian menggunkan metode kuantitatif dengan pendekatan crosectional dan observasional. Hasil menunjukan bahwa fasilitas untuk melaksanakan pekerjaan pengelasan, baik peralatan maupun sistem kesehatan dan keselamatan kerja tersedia dengan baik. Persepsi pekerja las juga baik sehingga fasilitas las yang tersedia sesuai dengan fasilitas yang ada. Perusah
Sistem Kerja Buka Tutup Pintu Secara Automatis Menggunakan Foto Sensor dan Sistem Manual Pneumatik Hendri, Afianto; Harini, Harini; Ramzani, Rizki; Sasmito, Misadi
Marine Science and Technology Journal Vol 4 No 1 (2023): Marine Science and Technology Journal
Publisher : Universitas Ivet

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31331/maristec.v3i2.2512

Abstract

Pneumatic systems are systems that use air as a propellant and are used in todays computerized systems. The task will use a pneumatic machine to manually open and near the door with sensors and buttons. design and model fluid simulators from Festo to attain the preferred aerodynamic design. Diagram of pneumatic system consistent with its operating. System used double appearing cylinder 5/2 solenoid valve 5/3 control valve photoelectric sensor magnetic sensor push button compressor & electric powered. The tool is geared up with an electrical and passive circuit that acts as a damper piston solenoid valve that activates a photoelectric sensor to open the door and a magnetic sensor to connect the voltage to the motor. A manual gadget can be used the use of ahead and reverse buttons in case of strength failure while last the door. The results of this study display that photoelectric sensors and magnetic sensors can be used to show a button right into a switch that turns off or adds cutting-edge to an electromagnetic-type electricity source. capturing with flash is hard. It additionally has a mechanical activation characteristic thru a button that without difficulty opens and closes the door inside the event of a power failure.
Pembuatan Alat Peraga Hydrophore Tank 3 Belokan 1 Katup Pipa 0,75 Inchi Wibowo, Riyanto; Hariningrum, Rita
Marine Science and Technology Journal Vol 4 No 1 (2023): Marine Science and Technology Journal
Publisher : Universitas Ivet

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31331/maristec.v3i2.2513

Abstract

Fresh water is an important requirement in fixed or moving structures such as ships. One way to provide fresh water is through a hydrophore system. Hydrophore was chosen as an alternative to public water tower systems because water towers were considered less aesthetically pleasing. Another consideration is that every part of the ship should be taken care of so that it does not interfere with the performance of the ship. The ship chose the hydrophore system because this system is dimensionally more practical when compared to a water tower. The installation of a water basin on a ship must take into account the number of turns and valves in the outlet pipe. A hydrophore simulation tool with many bends and valves is required to predict the adequacy of water demand on board. This research was conducted to determine the conditions and obtain the specifications from the hydrophore system. The support created consists of 3 turns and 1 valve. The bus emission specification is 9x10-3 m3 with an inlet pipe flow rate of 391x10-6 m3/s and an outlet pipe flow rate of 343282x10-3 m3/s. Major head loss is 21x10-3 m and minor head is 0.7 m.
Perhitungan Beban Pendinginan Mobil Box Pengangkut Ikan Beku Suyanto, Suyanto
Marine Science and Technology Journal Vol 4 No 1 (2023): Marine Science and Technology Journal
Publisher : Universitas Ivet

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31331/maristec.v3i2.2518

Abstract

Fish is the main product of marine catches which is widely consumed to meet food needs. Fish is a product that is easily damaged or spoiled, especially at room temperature conditions. Transport must be carried out with care so that fishery products are not exposed to high temperatures during loading and transportation of transport vehicles. One thing that needs to be considered in using a box truck fleet as a means of transportation for transporting frozen fish is choosing the right cooling machine capacity. This study aims to calculate the cooling load on box trucks for transporting frozen fish. With the resulting total cooling load and the proportion of cooling load can be a consideration in selecting the cooling machine used in the car cooler. From the existing analysis data, the total cooling load of a frozen fish transport truck box with box dimensions of 250cm x 170cm x 165cm and a total load of 1200kg of fish is 5531 Watts. The cooling machine recommended for use in frozen fish transport box trucks requires a cooling machine with a power of 2 PK.
The Use of Google Classroom to Teach Writing at Ivet University Wibowo, Rahmat Ari
Marine Science and Technology Journal Vol 4 No 1 (2023): Marine Science and Technology Journal
Publisher : Universitas Ivet

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31331/maristec.v3i2.2521

Abstract

This study has a purpose to investigate the implementation of google classroom to teach writing and the cadet’s opinions about the writing instruction through google classroom. This was a descriptive qualitative study that used interviews and questionnaires to collect the data. The sample of this study was the cadets of ship mechanical engineering of Ivet University in the academic year 2022/2023. The results of interviews and the results of cadet’s questionnaires were collected and then analyzed descriptively. The result of this study indicated that 1) the cadets at Ship mechanical engineering conducted several steps in implementing google classroom to teach writing, including opening the class, conducting a main activity, conducting an assessment, closing the lesson, and conducting follow-up activities, 2) the cadets had positive opinions about writing instruction that was implemented through google classroom.

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