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Riset Sains dan Teknologi Kelautan
Published by Universitas Hasanuddin
ISSN : 26231506     EISSN : 29882559     DOI : -
Core Subject : Science, Social, Engineering,
Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Environmental Science Industrial & Manufacturing Engineering
SENSISTEK is a collection of student works in the form of scientific journals from the Department of Marine Engineering, Faculty of Engineering, Hasanuddin University. It aims to answer whether research on marine technology by universities, research institutions and industry can contribute to this issue. This journal is expected to contribute to exchanging information, experiences, and thoughts and strengthen the cooperation network between institutions, institutions and industries nationally. So that scientific communication occurs between students and researchers, industry and education.
Arjuna Subject : Teknik (semua kategori) - Teknik Kelautan
Articles 223 Documents
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STUDI EKSPERIMENTAL PENGARUH PANJANG STRUKTUR HANGING BREAKWATER TERHADAP TRANSMISI GELOMBANG Mulyawan, Deni; Paotonan, Chairul; Rahman, Sabaruddin
Riset Sains dan Teknologi Kelautan Volume 5, Nomor 2, Tahun 2022
Publisher : Departemen Teknik Kelautan Fakultas Teknik Universitas Hasanuddin

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62012/sensistek.v5i2.24235

Abstract

Breakwaters are highly effective breakwater constructions that can be used to protect harbor waters by interrupting wave energy coming from the deep sea. Widely used breakwaters today are of the pile type, both natural and artificial. The drawback of rock breakwaters is that they are large in size and therefore very expensive to issue. Therefore, a new type of breakwater is needed that is smaller in size and cheaper to build. One solution that can be applied is a suspended breakwater. The purpose of this study is to determine the effect of wave parameters on the coefficient of wave transmission through a suspended breakwater. The research was conducted at the Marine Technology Research Laboratory, Hasanuddin University. The parameters in this study were carried out with 5 variations of wave height, 5 variations of wave period (T), and 3 variations of model length (L). From the results of the research we have done, it can be concluded that the value of the transmission coefficient (Kt) is inversely proportional to the steepness of the wave (Hi/L). Figure 3 shows that when compared between model variations (L1 = 40 cm; L2 = 50 cm; and L3 = 60 cm) with depth conditions (d = 70 cm) and with period variations (T 1; T 1.2; T 1.5; T 1.8 and T2 s), it can be seen that the Kt value is lower in the third model variation, L3 = 60 cm with a value of 0.095 < Kt < 0.53.
PENERAPAN DIGITAL TWIN UNTUK MENGURANGI DAMPAK BENCANA Patandianan, Maraya Abisurya; Assidiq, Fuad Mahfud
Riset Sains dan Teknologi Kelautan Volume 5, Nomor 2, Tahun 2022
Publisher : Departemen Teknik Kelautan Fakultas Teknik Universitas Hasanuddin

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62012/sensistek.v5i2.24236

Abstract

A country cannot avoid disasters, be it natural disasters or disasters caused by human carelessness. Disasters are increasing day by day. Damage and casualties are inevitable. In the industrial era 4.0, it is time to apply the latest technology to the focus of infrastructure, namely construction design and disaster prevention to reduce the amount of damage and casualties. Digital Twin (DT) is one of the promising technologies to conquer these challenges. The widespread use of Building Information Modeling (BIM) and the advent of the Internet of Things (IoT) apply DT to predict disasters by relying on historical data. This study proposes the use of DT technology due to the lack of reference, knowledge and application of this technology on real buildings or models to prevent and reduce the impact of disasters.
ANALISA DAMPAK KINERJA PT PELINDO PASCA DI-MERGER Nuralamsyah, Nuralamsyah; Nasser, Abd; Patunggu, Marselinus Aril
Riset Sains dan Teknologi Kelautan Volume 5, Nomor 2, Tahun 2022
Publisher : Departemen Teknik Kelautan Fakultas Teknik Universitas Hasanuddin

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62012/sensistek.v5i2.24237

Abstract

Indonesia is the largest archipelago in the world with a long maritime history, of course it has many ports as a means to improve the Indonesian economy, especially in the maritime sector. Therefore, Pelabuhan Indonesia (Pelindo) was formed, where Pelabuhan Indonesia (Pelindo) is a world-class port that offers integrated services between ports in Indonesia. Pelindo is a company formed from the merger of four national port companies, namely PT Pelindo I (Persero), PT Pelindo II (Persero), PT Pelindo III (Persero) and PT Pelindo IV (Persero). It was established on October 1, 2021. Pelindo became an integrated company due to the strategic initiative of the government as a shareholder to realize national connectivity and a stronger logistics ecosystem network. Maritime connectivity enhances connectivity between domestic and foreign ports. One of the best ways to strengthen the company's foundation in accordance with its legal constitution is through a merger. The merger strategy is expected to accelerate the company in achieving its goals. The decision to merge Pelindo is a step to improve access to global markets and technology, achieve operational efficiency, encourage innovation, share resources and reduce domestic logistics costs. After the merger of Pelindo, there is a perceived impact such as increased efficiency and productivity in operational performance.
ANALISA PERBAIKAN POROS BALING-BALING MV. QUEEN SOYA DI PT. DOK DAN PERKAPALAN SURABAYA (PERSERO) Yusim , Adi Kurniawan; Assawa, Yara Ashfiya Bihamdiya
Riset Sains dan Teknologi Kelautan Volume 5, Nomor 2, Tahun 2022
Publisher : Departemen Teknik Kelautan Fakultas Teknik Universitas Hasanuddin

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62012/sensistek.v4i1.24238

Abstract

Bantalan dan poros baling-baling kapal merupakan salah satu komponen vital bagi segala jenis kapal laut di mana keduanya yang menjadi sistem propulsi dioperasikan guna menggerakkan kapal maju dan mundur. Durasi waktu pengoperasian dan umur pemakaian dapat membuat bantalan dan poros baling-baling mengalami kerusakan seperti terjadinya keausan bantalan ataupun kebengkokkan poros. Hal ini dapat disebabkan oleh banyak faktor, salah satunya adalah muatan berlebih pada kapal. Keausan bantalan atau poros dapat berdampak pada timbulnya distribusi beban yang tidak stabil sehingga kapal mengalami getaran berlebih dalam pengoperasiannya. Dalam penanganannya, kerusakan dapat diperbaiki secara berkelanjutan. Salah satu metode perbaikan yang dapat dilakukan adalah dengan melakukan pembubutan dan alignment pada bantalan dan poros baling-baling kapal. Hasil perbaikan dapat menunjukkan performa poros dan bantalan yang baik khususnya ketika dilakukan pengujian sea trial untuk memperjelas hasil.
KONTROL KEDALAMAN SEBAGAI PARAMETER SIFAT FISIK DAN KIMIA PERAIRAN PANTAI DI PULAU DUTUNGAN KECAMATAN MALLUSETASI KABUPATEN BARRU PROVINSI SULAWESI SELATAN Sirajudin, Haerany; Putri, Naadya Suharto
Riset Sains dan Teknologi Kelautan Volume 5, Nomor 2, Tahun 2022
Publisher : Departemen Teknik Kelautan Fakultas Teknik Universitas Hasanuddin

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62012/sensistek.v5i2.24239

Abstract

Some of the determining parameters in explaining the physical and chemical properties of waters include height from sea level, intensity of sunlight received, season, weather, water depth, air circulation, and cloud cover. Each water area certainly has different coastal characteristics, including depth and underwater topographic conditions. The water depth parameter is the topic of this research because it can be measured directly in the field and related to the physical and chemical properties of seawater through linear regression statistical analysis. The results of depth measurements obtained in the waters of Dutungan Island ranged from 4-44 m, showing that the deepest depth level of 44 m was found at stations 9 and 11. Based on the level of sea depth, it is included in the littoral zone which is at a depth of less than 50 m, this makes living things that live in this zone very much because sunlight can still enter and penetrate into the sea, and cause coral reefs to photosynthesize. In this study, the independent variable is depth and the dependent variable is temperature, salinity, pH, dissolved oxygen (DO) and turbidity. In addition, measurement and retrieval of hydrodynamic and sediment data were also carried out, to further complement information on the characteristics of Dutungan Island. The coefficient of determination on the variable temperature to depth is 0.224; the variable salinity is 0.224.
PENGARUH TRANSPORTASI LAUT DALAM MENDORONG PERTUMBUHAN EKONOMI DI SULAWESI SELATAN Fitriani , Reskyah; Imtiyaz, Nisrina
Riset Sains dan Teknologi Kelautan Volume 6, Nomor 1, Tahun 2023
Publisher : Departemen Teknik Kelautan Fakultas Teknik Universitas Hasanuddin

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62012/sensistek.v6i1.24241

Abstract

Untuk membantu pertumbuhan nasional di semua sektor, transportasi laut memegang peranan penting. Transportasi laut merupakan komponen penting dari infrastruktur Indonesia Timur (Sulawesi Selatan), khususnya di daerah 3T (terdepan, terluar, dan tertinggal). Seiring berkembangnya industri pengolahan, ada potensi permintaan yang meningkat untuk transportasi laut. Sulawesi Selatan memiliki banyak pelabuhan sekaligus melihat pertumbuhan ekonomi yang sangat pesat. Penelitian ini bertujuan untuk mengetahui bagaimana keberadaan transportasi laut mempengaruhi perekonomian Sulawesi Selatan serta aspek pendorong dan penghambat transportasi laut yang mempengaruhi perekonomian daerah. Faktor kunci PDRB digunakan dalam penelitian ini.
PENGARUH JALUR KABEL BAWAH LAUT TERHADAP EKOSISTEM PANTAI TANJUNG BEMBAN Nurdiansyah, Robby
Riset Sains dan Teknologi Kelautan Volume 5, Nomor 2, Tahun 2022
Publisher : Departemen Teknik Kelautan Fakultas Teknik Universitas Hasanuddin

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62012/sensistek.v5i2.24242

Abstract

Submarine cables were first laid in the 1850s and were then only used for telegraphic communications. The Java-Sumatera-Kalimantan Cable System (JASUKA) is a 354-kilometer submarine communications cable that spans Java, Sumatra and Kalimantan. JASUKA is owned by PT Telekomunikasi Indonesia (Telkom). This cable is considered the best cable for telecommunications because it uses fiber optic technology. This allows for very fast data transmission through a thin glass fiber to a receiver at the other end of the cable. This fiberglass is wrapped with a layer of plastic and steel wire for protection. Underwater cables are usually the same width as a hose used for watering plants. The filaments that transmit light signals on the wire are also very thin, about the size of a human hair. The fibers are covered with several layers of insulation and protection. Cables routed close to shore use an additional layer of armor for added protection. Submarine cables are not completely underwater. Near the coast, the cables are buried in the seabed for protection. Laying a submarine cable system is the submarine cable system that runs through Tanjung Bemban, Batam City, Riau Islands. In the deep sea, the cable is laid directly on the seabed, requiring several surveys. One of them is a study of coastal ecosystems. This paper is prepared as an overview of the results of coastal ecosystem surveys conducted on three main ecosystems.
KAJIAN HIDROSTATIK KAPAL OPERASIONAL KAMPUS USN KOLAKA Mubarak, Azhar Aras; Djunuda, Rahmawati
Riset Sains dan Teknologi Kelautan Volume 5, Nomor 2, Tahun 2022
Publisher : Departemen Teknik Kelautan Fakultas Teknik Universitas Hasanuddin

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62012/sensistek.v5i2.24243

Abstract

The development of the University of Nineteen November Kolaka campus located in Central Buton Regency has its own challenges due to the separation of the two campuses by the ocean. The utilization of a reliable sea transportation fleet needs to be developed to facilitate access and coordination with the main campus. Initial ship planning has been made by taking into account the design factors and ship production costs (Mubarak et al, 2021), but has not yet carried out ship modeling and ship calculations using the help of related software. This study aims to determine the hydrostatic characteristics of the ship and calculate the resistance of the design ship. The results showed that with a ship length of 14.5 m, width of 3.2 m, height of 1.5 m, it will have a ship resistance of 11.8 kN and a displacement of 6910 kg calculated at a ship depth of 0.45 m, a ship resistance of 14.2 kN and a displacement of 10408 kg calculated at a ship depth of 0.55 m, a ship resistance of 16.7 kN and a displacement of 13984 kg calculated at a ship depth of 0.65m.
PENGGUNAAN AZIMUTH PROPELLER PADA TUGBOAT JAYANEGARA 401 GUNA EFEKTIFITAS DALAM OLAH GERAK Hamzah, Putri Marliana; Yusim, Adi Kurniawan
Riset Sains dan Teknologi Kelautan Volume 5, Nomor 2, Tahun 2022
Publisher : Departemen Teknik Kelautan Fakultas Teknik Universitas Hasanuddin

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62012/sensistek.v5i2.24244

Abstract

Maneuvering is a movement that is needed for a harbor tug to make moves such as towing, pushing or pulling ships that will dock. The limited water area in Indonesian ports affects the maneuvering and time efficiency required by a harbor tug. The use of propellers in a harbor tug is very influential for the sake of a port. This paper discusses simulation testing of ship maneuvers with Fixed Pitch Propeller and Azimuth Propeller carried out around Telok Lamong and Jamrud Port Surabaya. This simulation test can predict the ship's maneuverability with variations in rotation angle.
EVALUASI KELAYAKAN PIPE SPOOL DAN INTERNAL SUMP TANK DENGAN MENGGUNAKAN METODE PULL OFF TEST Risal, Risal; Assidiq, Fuad Mahfud
Riset Sains dan Teknologi Kelautan Volume 6, Nomor 1, Tahun 2023
Publisher : Departemen Teknik Kelautan Fakultas Teknik Universitas Hasanuddin

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62012/sensistek.v6i1.24245

Abstract

Salah satu masalah yang harus diperhitungkan di industri maritim khususnya bangunan lepas pantai adalah korosi yang terjadi pada material bangunan. Korosi merupakan masalah yang sangat serius, dapat menjadi penyebab banyak kegagalan struktur lepas pantai, Salah satu langkah mencegah dan mcelindungi bangunan dari korosi adalah dengan cara coating. Ada 2 jenis coating yang biasa digunakan, yaitu concrete coating dan liquid coating. concrete coating adalah pelapisan baja dengan cara melapisi baja dengan beton, liquid coating adalah melakukan coating pada permukaan material, agar material tersebut bisa terlindungi oleh korosi. Sedangkan pada penelitian ini menggunakan liquid coating,dimana pada tahapan akhir coating dilakukan pengujian Pull of test untuk menentukan apakah material yang diuji memenuhi standar yang telah ditentukan. Pada penelitian ini dapat diketahui bahwa pada Pipe Spool dan Internal Sump Tank yang diuji keduanya memenuhi standar spesifikasi yang telah ditentukan, dari 5 titik yang diuji pada Pipe spool semuanya beradar di atas 3 MPa yang berarti Pipe Spool telah memenuhi standar. Dan dari 5 titik yang diuji pada Internal Sump Tank semuanya beradar di atas 4 MPa yang berarti Internal Sump Tank telah memenuhi standar.

Page 14 of 23 | Total Record : 223

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