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Saintara : Jurnal Ilmiah Ilmu-Ilmu Maritim
Published by Akademi Maritim Nusantara Cilacap
ISSN : 25286676     EISSN : 27466353     DOI : https://doi.org/10.52488
Core Subject : Economy, Science, Education, Social, Engineering,
Computer Science & IT Economics, Econometrics & Finance Education Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Mathematics Mechanical Engineering Physics Social Sciences Transportation
Saintara adalah jurnal ilmiah dan penelitian ilmu - ilmu maritim yang diterbitkan mulai September 2016 secara print-out. Saintara terbit dua tahun sekali, pada bulan Maret dan September dengan ISSN 2528-6676 dan e-ISSN 2746-6353. Saintara diterbitkan oleh Lembaga Penelitian dan Pengabdian Masyarakat, Akademi Maritim Nusantara Cilacap. Saintara bertujuan untuk menghimpun artikel ilmiah dengan ruang lingkup keilmuan nautika, permesinan kapal, pengelolaan pelabuhan, ekonomi maritim, MIPA maritim, hukum maritim, pendidikan maritim, maritime english dan ilmu-ilmu ilmiah lain yang berkaitan dengan kemaritiman.
Arjuna Subject : Umum - Umum
Articles 166 Documents
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Analisa Kinerja Tiga Buah Mesin Induk Penggerak Utama Kapal di AHTS Christos LVII Aris Sasongko Dwiana; Andi Hendrawan
Saintara: Jurnal Ilmiah Ilmu-Ilmu Maritim Vol 7 No 1 (2023): SAINTARA (Maret 2023)
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat, Akademi Maritim Nusantara Cilacap

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52475/saintara.v7i1.195

Abstract

Kapal AHTS (Anchor Handling Tug Supply) adalah kapal yang dirancang khusus untuk menunjang kegiatan, pekerjaan pengeboran lepas pantai baik itu untuk minyak bumi maupun gas bumi dari persiapannya, supply cargo sampai dengan berproduksi [1]. Sebagai kapal pendukung operasional offshore dalam melaksanakan fungsinya kapal ini tentunya dilengkapi dengan mesin induk. Mesin induk di atas kapal adalah merupakan mesin penggerak utama sehingga kapal bisa berjalan, bermanover dan bergerak kemana saja untuk melaksanakan operasinya [2], sehingga kinerja mesin induk di atas kapal menjadi sangat penting. Ada berbagai jenis, type dan merk mesin induk yang biasa digunakan di kapal AHTS. Pada umumnya kapal AHTS dilengkapi dengan 2 buah mesin induk, beberapa kapal banyak yang menggunakan 1 buah mesin induk, dan untuk kapal jenis crew boat dalam mendukung operasional offshore ada beberapa yang dilengkapi dengan 4 buah mesin induk. Tetapi sangat jarang ditemui kapal yang menggunakan 3 buah mesin induk. Penelitian ini bertujuan untuk untuk menganalisa kinerja tiga buah mesin induk penggerak utama kapal AHTS Christos LVII. Penelitian ini merupakan penelitian survei dipadukan dengan penelitian kepustakaan dengan mengkaji beberapa sumber dan pengamatan langsung serta analisis [3]. Hasil penelitian menunjukkan bahwa : Suhu gas buang, tekanan dan suhu pelumas, suhu pendingin, tekanan minyak gearbox, tekanan udara pneumatic dan udara pejalan serta tekanan bahan bakar selama 1 bulan beroperasi dalam keadaan normal dan tidak pernah terjadi penyimpangan. Kinerja mesin induk yang berusia 4 tahun masih baik dan normal sesuai standar parameter saat sea trial perdana kapal. Fungsi mesin induk di atas kapal AHTS LVII menjadi sangat penting karena selain sebagai penggerak utama poros baling-baling kapal, mesin induk juga digunakan untuk menggerakkan shaft generator yang menghasilkan arus listrik untuk digunakan menjalankan semua pesawat yang ada di atas kapal.
Pengaruh Penerapan Energy Saving Device (ESD) Kort Nozzle untuk Meningkatkan Gaya Dorong Propeller pada Kapal Ikan Purse Seine Alfian T. Januar; Arif Winarno
Saintara: Jurnal Ilmiah Ilmu-Ilmu Maritim Vol 7 No 1 (2023): SAINTARA (Maret 2023)
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat, Akademi Maritim Nusantara Cilacap

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52475/saintara.v7i1.199

Abstract

Propulsi kapal nelayan tradisional di daerah Mayangan Probolinggo biasanya hanya berdasarkan kesediaan di pasaran dan kecocokan dengan poros kapal yang dipakai, tanpa memperhatikan faktor hambatan dan gaya dorong yang dihasilkan kapal. Sehingga ditengarai banyak kekurangan terutama dalam segi thrust (gaya dorong). Upaya untuk meningkatkan gaya dorong kapal dapat dengan memasang alat berupa kort nozzle yang disebut Energy Saving Device (ESD) pada propeller. Pada penelitian kali ini akan dikaji tentang pemilihan kort nozzle dan menganalisa model agar mendapatkan bentuk kort nozzle yang dapat menaikan gaya dorong (thrust) pada kapal ikan purse seine dengan variasi pemilihan jenis kort nozzle menggunakan kort nozzle shuskin tipe B, Shushkin tipe C dan kort nozzle tipe 37. Analisa dilakukan dengan metode simulasi menggunakan software Computational Fluid Dynamic (CFD). Hasil simulasi software computational fluid dynamic (fluent) menunjukkan dari masing-masing model kapal dengan kort nozzle yang dianalisa mengalami peningkatan gaya dorong (thrust) dari penerapan kort nozzle. Nilai thrust paling tinggi terjadi pada kapal dengan kort nozzle 37 sebesar 8,1468 kN, sedangkan untuk kapal dengan kort nozzle shuskin tipe B sebesar 8,0102 kN. Untuk nilai thrust terendah pada kapal dengan kort nozzle shuskin tipe C dengan nilai 7,8741 kN. Sehingga disimpulkan bahwa dari beberapa variasi kapal didapatkan pada model kapal dengan kort nozzle 37 yang menghasilkan gaya dorong (thrust) yang paling optimal karena gaya dorong meningkat 16,1 %.
Studi Penentuan Gravity Disc untuk Peningkatan Kinerja dan Mencegah Terjadinya Overflow MFO Purifier Pasca Bunker Wahyu A. Putranto; Susanto Susanto; Khaeroman Khaeroman
Saintara: Jurnal Ilmiah Ilmu-Ilmu Maritim Vol 7 No 1 (2023): SAINTARA (Maret 2023)
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat, Akademi Maritim Nusantara Cilacap

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52475/saintara.v7i1.200

Abstract

Minyak berat sejenis Heavy Fuel Oil (HFO) memiliki karakteristik berwarna hitam, mengandung partikel padat dan residu, pada suhu rendah sangat kental seperti bitumen. Nilai density HFO berkisar antara 0.92-0.99 kg/L dengan kekentalan yang ada dipasaran 180 dan 380 Cst. Perbedaan tempat bunker seringkali berakibat pada perbedaan technical data bahan bakar yang disuplai ke kapal. Efek yang sering terjadi dari perubahan nilai density adalah terganggunya proses treatment pada purifier. Penurunan efisiensi pengisian HFO service tank karena overflow pada purifier merupakan masalah utama yang sering timbul karena nilai density. Berdasarkan fenomena yang terjadi pada proses purifikasi Heavy fuel Oil pasca bunker maka perlu dilakukan studi dalam menentukan gravity disc pada FO purifier. Studi dilakukan dengan tujuan untuk memberikan solusi kepada engineer yang bertugas di kapal-kapal niaga apabila terjadi masalah serupa. Penelitian dilakukan menggunakaan metode studi kasus terhadap permasalahan riil yang terjadi di atas kapal. Asumsi yang digunakan dalam memecahkan persoalan dengan membatasi tangki tempat proses pencampuran di settling tank. Bahan bakar HFO tersisa dalam storage tank adalah 0%, sedangkan bahan bakar tersisa di settling tank 4 KL dengan specific gravity 0.993 kg/L dari total volume 10 KL. HFO yang disuplai saat bunker dengan specific gravity 0.925 kg/L. Studi yang dilakukan mendapatkan hasil gravity disc yang sesuai untuk HFO dengan specific gravity 0.993, 0.975 dan 0.925 kg/L berturut-turut 66, 75 dan 78 mm. Temperatur pemanasan 80 dan 90OC tidak mempengaruhi ukuran gravity disc. Kinerja purifier dapat ditingkatkan dengan mencegah overflow melalui penentuan gravity disc yang sesuai.
Deskripsi Pemahaman Guru di SMK Bina Bhakti Cilacap dalam Penggunaan Metode Problem Solving pada Pembelajaran Lusiani; Andi Hendrawan; Fajar Firmansyah; Supriyanto Supriyanto; Luthfiana Tarida
Saintara: Jurnal Ilmiah Ilmu-Ilmu Maritim Vol 7 No 1 (2023): SAINTARA (Maret 2023)
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat, Akademi Maritim Nusantara Cilacap

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52475/saintara.v7i1.203

Abstract

Tujuan dalam kajian berikut yakni untuk mendeskripsikan pemahaman Guru di SMK Bina Bhakti Cilacap dalam Penggunan metode problem solving pada pembelajaran. Kajian ini menggunakan metode penelitian kualitatif melalui pendekatan deskriptif. Lokasi bertempat di di SMK Bina Bhakti Cilacap secara offline dengan subjek Guru di sekolah tersebut. Disimpulkan bahwa pemahaman Guru di SMK Bina Bhakti Cilacap dalam Penggunan metode problem solving pada pembelajaran sudah sampai pada tahap baik, karena 7 dari 10 Guru mendeksripsikan dengan baik tahap-tahap dalam menggunakan metode problem solving.
Students’ Perception of Google Translate in Improving Writing Skill Yoana G. P. Lengari
Saintara: Jurnal Ilmiah Ilmu-Ilmu Maritim Vol 7 No 1 (2023): SAINTARA (Maret 2023)
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat, Akademi Maritim Nusantara Cilacap

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52475/saintara.v7i1.204

Abstract

The aim of this study is to determine the perception on using Google Translate in the third semester of Engineering Students of Akademi Maritim Nusantara Cilacap to improve their writing skill. Ten students were selected as the research participants for this study. The data for this study is obtained by experimental study and questionnaire. The questions consist of the students’ perception in using Google Translate to help them improve their writing skill in EFL and their perception of Google Translate for improving their writing. By using descriptive-qualitative analysis, it is identified that the respondents produce better writing by utilizing Google Translate to help them with their writing task. The study also shows that although there are some disadvantages in using Google Translate, most respondents agree that there are more advantages to it in helping them improve their writing skill. In conclusion, this study reveals that there is positive perception in using Google Translate to improve writing skill and it is useful to improve the students’ writing skill.
Analisis Waiting Time Kapal dan Approach Time sebagai Indikator Kinerja Pelayanan Operasional Pelabuhan pada Pelabuhan Tanjung Intan Cilacap Hari Sucahyowati; Dedeh Suryani
Saintara: Jurnal Ilmiah Ilmu-Ilmu Maritim Vol 7 No 1 (2023): SAINTARA (Maret 2023)
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat, Akademi Maritim Nusantara Cilacap

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52475/saintara.v7i1.206

Abstract

The performance of port operational services can be measured by various indicators. One of the indicators is Waiting Time or ship waiting time. Waiting time and approach time are calculated from the time the ship arrives at the port and submits a mooring request until it gets pilot service to the berth. The existence of delays in Waiting Time and Approach time can cause losses to each ship and is quite detrimental for service users. Not only will costs increase, it will also have an impact on Waiting Time and Approach time for other ships. Therefore, to anticipate the long Waiting Time and Approach Time for ships that will dock at the port or wharf, PT Pelindo Multi Terminal Tanjung Intan Cilacap and the Cilacap Class II Port Authority and Harbormaster Office continue to make efforts to evaluate by maintaining operational service performance. in order to be able to provide effective services by maintaining queues of ships that will dock and ships that will leave, what is done by PT Pelindo Multi Terminal Tanjung Intan Cilacap and the Cilacap Class II Port Authority and Harbormaster Office in the 2022 period is very effective and has been going well, seen from the Waiting Time and Approach Time which is below the standard that has been set.
Analisis Pelayanan Jasa Angkut Barang Kapal melalui Tol Laut dalam Mendukung Pertumbuhan Ekonomi Negara Kristian Cahyandi; Andi Hendrawan
Saintara: Jurnal Ilmiah Ilmu-Ilmu Maritim Vol 7 No 1 (2023): SAINTARA (Maret 2023)
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat, Akademi Maritim Nusantara Cilacap

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52475/saintara.v7i1.207

Abstract

The Sea Highway Program is intermodal connectivity rather than just providing ports and ships. This research was conducted to analyze how the Sea Highway ship freight services have been effective in supporting the country's economic growth. There have been many studies regarding the geographical location of Indonesia, which consists of thousands of islands, which can be an obstacle to justice and economic prosperity. This research examines from the perspective of providing infrastructure and regulations in facilitating the Sea Highway program. This study uses a qualitative descriptive method with a detailed description of the influence of the maritime program on inter-island logistics distribution. Data collection was done by interview, observation, and literature study. The conclusion obtained is that the Sea Highway Program has become a necessity to expedite the flow of goods and equitable distribution. The community is more interested in using the services of a pertis ship (Sea Highway) because it can load goods in large quantities, making it more effective and efficient.
Optimalisasi Fasilitas Listrik Dermaga dan Peningkatan Keandalan Auxiliary Engine Kapal terhadap Efisiensi Biaya Operasional Kapal di Pelabuhan Tanjung Emas Aditya M. Dewi; Prasongko Prasongko; Muhammad A. L. Pambudi
SAINTARA Vol 7 No 2 (2023): SAINTARA (September 2023)
Publisher : Lembaga Penelitian dan Pengabdian Masyarakat, Akademi Maritim Nusantara Cilacap

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52475/saintara.v7i2.190

Abstract

This research aims to analyze the efficiency of ship operational costs obtained by using dock electricity facilities, which are used as a substitute for using Auxiliary Engines (auxiliary engines), which use fuel oil. The research method used was a mixed method (a combination of qualitative and quantitative). The analysis technique used is cost-benefit analysis (CBA) by comparing fuel oil and shore connections. The analysis results show that using shore connections can reduce ship operational costs by IDR. 6,016,349,488 / year in terms of efficient use of fuel costs, while regarding the reliability of the Auxiliary Engine (AE), the efficiency is up to Rp. 1,903,000,000/ year. After using a shore connection as a substitute for AE, which uses fuel, there will be no damage to the AE, and it can reduce ship repair costs. The use of electricity facilities via shore connection can also support the achievement of the government program, namely Go Green Port (Environmental Friendly), by reducing air pollution from ship exhaust gases as an implementation of MARPOL Annex VI and implementing Permenhub regulation number 29 of 2014 article 37 concerning pollution prevention maritime environment. However, the disadvantages of using shore connections are that the investment costs required for installing cable connections on ships are quite large, and there is an increase in the cost of electricity usage, which is directly proportional to the increase in government electricity rates every year.
Estimasi Kebutuhan Material Cat Pada Bottom dan Lambung Kapal Tongkang 300 Feet Diana L. Mustikawati; Iman Mujiarto
SAINTARA Vol 7 No 2 (2023): SAINTARA (September 2023)
Publisher : Lembaga Penelitian dan Pengabdian Masyarakat, Akademi Maritim Nusantara Cilacap

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52475/saintara.v7i2.214

Abstract

Improvements in terms of protection against corrosion are carried out regularly in the shipping industry. One alternative that is used is painting or coating. Painting is a method to prevent the plate from corroding. Coating is a stage that must be passed in the ship repair and construction process. In the ship repair process, material needs are importhant things that must be planned. The paint or coating material used in this study is paint according to specifications for the shipping industry. The purpose of this study was to obtain the required cat consumption based on surface area reference. The ship repair and construction process includes coating or painting work. The need for paint is based on the surface area of the underwater, bottom and topside of the 300 feet barge that will be painted. This research is a quantitative research where the final result is in the form of numbers. Results of calculating the area of ​​the ship: a. Flat bottom painting of 1926.06 m2; b. Painting the lower vertical area of ​​22.32 m2; c. Painting the lower area of ​​717.82 m2 and d. Painting of the topside area of ​​296.5 m2. The calculation of the cat's needs is that the underground (flat and vertical bottom) is 1717.96 liters and the bottomtop and topside are 738.24 liters. The research conclusions obtained were that the smallest volume of cat used in underwater painting was 1717.96 liters and in the bottom - topside area was 738.24 liters and the surface area under water (flat bottom and vertical bottom) was 2150.38 m2 (~2150 m2) and the bottom-topside area is 1014.32 m2 (~1014 m2).
Analisis Penanganan Penyandaran Kapal untuk Menghindari Container Delay Mahsunah E. Rahayuningsih; Candra O. Putri; Mar’atus Sholikah; Deri Herdawan; Marselia Marselia
SAINTARA Vol 7 No 2 (2023): SAINTARA (September 2023)
Publisher : Lembaga Penelitian dan Pengabdian Masyarakat, Akademi Maritim Nusantara Cilacap

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52475/saintara.v7i2.221

Abstract

PT Indo Container Lines is an international transportation firm that offers import/export, stevedoring, freight forwarding, and agency services. The investigation of ship berthing handling at PT Indo Kontainer Sarana BUP Multipurpose Terminal is the primary focus of this study. There are a number of underlying issues that need to be addressed in this study, including: the nature of the process by which container delays occur during ship berthing; the nature of the factors that contribute to such delays; the nature of the impact that results from such delays; and the nature of the agent's efforts to overcome such delays. The purpose of this study is to find ways to reduce the time it takes for ships to dock, which would otherwise cause the consignee to wait longer for their shipment and result in higher Terminal Handling Charges (THC). Ship berthing procedures and container loading and unloading operations at storage facilities for stacked cargo are included. This study employs the descriptive research approach and gathers its data via observation, interviews, documentation, and a review of the relevant literature. According to the study's findings, the problem with the MV Icon Corintus's berth might be solved if the ships, agents, and loading/unloading procedures all worked together more efficiently. This is done so that BUP PT Indo Kontainer Sarana doesn't have to pay extra to deal with ships parked at the port, disassemble containers, and stack them. Agents are responsible for docking ship operations, such as maintaining damaged engines or defective loading and unloading equipment.

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