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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 7 Documents
 1 
Search results for , issue "Volume 7, Nomor 2, Tahun 2024" : 7 Documents clear
VALIDASI KECEPATAN ARUS SIMULASI NUMERIK MIKE 21 DENGAN KECEPATAN ARUS LAPANGAN PADA BANGUNAN GROIN PT. BODDIA GALESONG JAYA Suyanto, Muhammad Cesar Wiratama; Fauzan, Dzaky
Riset Sains dan Teknologi Kelautan Volume 7, Nomor 2, Tahun 2024
Publisher : Departemen Teknik Kelautan Fakultas Teknik Universitas Hasanuddin

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62012/sensistek.v7i2.37342

Abstract

Ocean currents are the flow of water in the ocean, influenced by factors such as temperature and salinity gradients, wind stress, gravitational forces from the moon, and bathimetry of ocean. These currents follow specific patterns and significantly impact climate, weather, and marine ecosystems. This study focuses on validating field measurements of current speed against simulated speed generated by the MIKE 21 software, a widely used tool for hydrodynamic modeling in coastal engineering. The validation process involved comparing in-situ measurements of current speed, obtained using an acoustic Doppler current profiler, with the simulated currents from MIKE 21. The simulation parameters were calibrated to reflect the field conditions accurately. The results indicated that the maximum discrepancy between field measurements and the model's simulated currents was approximately 6.3%. This level of agreement confirms that the MIKE 21 model accurately represents the field conditions. Therefore, the model's predictions can be reliably used for other hydrodynamic simulations and coastal management applications.
ANALISIS POTENSI PEMANFAATAN SUNGAI TALLO MAKASSAR SEBAGAI ALUR PELAYARAN Agusdiansyah, Dwi; Paotonan, Chairul; Rahman, Sabaruddin
Riset Sains dan Teknologi Kelautan Volume 7, Nomor 2, Tahun 2024
Publisher : Departemen Teknik Kelautan Fakultas Teknik Universitas Hasanuddin

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62012/sensistek.v7i2.41678

Abstract

One of the rivers with potential for development into a river transportation system in the city of Makassar is the Tallo River, which is approximately 22.2 km long. This river can connect the Tamalanrea sub-district with the coastal area of Makassar. Currently, the Tallo River is utilized as a transportation route to Lakkang Island, which is one of the tourist destinations. Based on the relatively wide characteristics of the river, the Tallo River can accommodate vessels with a relatively large draft. However, a study is needed to determine the maximum draft of vessels that can operate in the river based on water depth and air clearance at the Reformasi Toll Bridge. The objective of this research is to determine the maximum draft and freeboard of vessels that can operate in the Tallo River, identify areas of shoaling, and calculate the volume of dredging required. The research begins with literature review, collection of secondary and primary data, data analysis, and identification of shoaling points for calculating dredging volume. The data collected includes bathymetric data, tidal data, current data, bottom sediment data, and river discharge data. Based on the data analysis results, the maximum vessel draft before dredging is 1.0 m LWL with an air clearance of 1.9 m from the high tide water level. After dredging, the draft of vessels that can use the Tallo River is 1.5 m LWL. The locations requiring dredging are 13 points, with a total dredging volume of 1283.49.
ESTIMASI WAKTU REPARASI KM. WILIS MENGGUNAKAN CRITICAL PATH METHODE Idsan, Muhammad Akhsal; Rachman, Taufiqur
Riset Sains dan Teknologi Kelautan Volume 7, Nomor 2, Tahun 2024
Publisher : Departemen Teknik Kelautan Fakultas Teknik Universitas Hasanuddin

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62012/sensistek.v7i2.41687

Abstract

Accurate time estimation is the key to the success of KM Wilis repair activities at PT Industri Kapal Indonesia (Persero). Delays in ship repair activities will be able to cause losses for shipowners in fulfilling shipping transport service schedules. This study aims to develop a reparation plan for KM. Wilis with critical path method in order to obtain the optimal duration of repair work. Based on the KM Wilis repair list, repair activities were identified into smaller components (work breakdown structure) to determine the relationship between preceding and preceded activities. The repair list is also used as a guideline for data analysis, which includes job descriptions, labour, duration, and work volume. Critical Path Method as a time management method is used to identify activities that are on the critical path. KM Wilis repair time estimation obtained a duration of 33 days with critical path activities including tug boat services, docking services, hull cleaning work with water jets, hull cleaning work with scrap, unloading skerm bush pintles and rudder leaf pens, dismantling of the lowered rudder leaf on the dock floor, making new left rudder leaves, reinstalling rudder leaves, undocking services, tug boat services and sea trials.
OPTIMALISASI FUNGSI BREAKWATER PELABUHAN PENDARATAN IKAN (PPI) TANAH BERU KABUPATEN BULUKUMBA Purwasih, Ratih; Rahman, Sabaruddin; Umar, Hasdinar
Riset Sains dan Teknologi Kelautan Volume 7, Nomor 2, Tahun 2024
Publisher : Departemen Teknik Kelautan Fakultas Teknik Universitas Hasanuddin

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62012/sensistek.v7i2.41692

Abstract

At the Fish Landing Harbor (PPI) coastal protection buildings have been built to protect the area in an effort to obtain calm waters at the harbor. A breakwater is infrastructure built to break waves by absorbing wave energy. The types of wave breakers are sloping side breakwaters, vertical side breakwaters and mixed wave breakers. Waves are a form of energy that can shape beaches, cause currents and sediment transport in perpendicular directions and along the coast, and cause forces that act on coastal buildings. The aim of this research is to determine the characteristics of wave transmission and alternative breakwater construction in ports, simulated using a numerical hydrodynamic model to simulate waves. The input data is wave height, wave period and wave direction. The Fish Landing Harbor Breakwater (PPI) is not yet optimal because the waves entering the port area in the west season reach 1.2 meters. Based on the results of the breakwater design used to optimize its function, this can be proven by the existence of breakwater construction designed in modeling where the breakwater with a length of 150 m, the wave height entering the protected area is 0.81 m, the breakwater with a length of 300, the wave height entering the area protected by 0.2 m, and a breakwater with a length of 500, the wave height entering the protected area is 0.03 m.
MASA DEPAN ENERGI TERBARUKAN DI LAUT: PERAN TEKNOLOGI TENAGA LAUT DALAM MITIGASI PERUBAHAN IKLIM Sulfa, A. Muhammad Fauzan; Abduh, Aimar Rendra Patanrei; Azharil, Muh. Yatzin; Husain, Firman
Riset Sains dan Teknologi Kelautan Volume 7, Nomor 2, Tahun 2024
Publisher : Departemen Teknik Kelautan Fakultas Teknik Universitas Hasanuddin

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62012/sensistek.v7i2.41712

Abstract

Human life cannot be separated from the use of energy. Energy is needed for many things like cooking, traveling, and working. Currently, electrical energy is the main need. To produce electrical energy, power plants that utilize renewable and non-renewable energy sources are needed. Technology in the field of renewable energy continues to experience rapid development. The use of renewable energy aims to reduce the impact of global climate change and reduce dependence on fossil fuels. A variety of natural resources are available as renewable energy alternatives, one of which is marine power technology. Marine energy technology is a technology that utilizes various properties and movements of the ocean to generate electrical energy. Energy sources from the sea can be utilized by using marine technology such as ocean current technology, ocean wave technology, and ocean thermal energy conversion. This technology makes it easy to adapt to the characteristics of the exploited sea.
PENGARUH MADDEN-JULLIAN OSCILLATION TERHADAP VARIABILITAS SUHU PERMUKAAN LAUT DI SELAT MAKASSAR Rahmah, Ainiyah; Baeda, Achmad Yasir
Riset Sains dan Teknologi Kelautan Volume 7, Nomor 2, Tahun 2024
Publisher : Departemen Teknik Kelautan Fakultas Teknik Universitas Hasanuddin

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62012/sensistek.v7i2.41714

Abstract

Madden-Jullian Oscillation (MJO) climate variability is global climate variability that can influence oceanographic conditions, including sea surface temperature. This research was conducted to determine the influence of the MJO phenomenon on sea surface temperature variability during the Asian Monsoon period in the Makassar Strait. The data used in this research are MJO monitoring data from BOM, sea surface temperature data from NOAA's Aqua MODIS Satellite. The method used in this research is to group active MJO events into phases 2, 3, 4 and 5 and then create a monthly average SST. Next, determine the monthly SST anomaly and then analyze it. The research results show that when the MJO is active in phases 2,3,4 and 5, there is an increase and decrease in SST
PERENCANAAN AWAL DERMAGA APUNG LAKKANG M Nur, Fahrul; Paotonan, Chairul; Assidiq, Fuad Mahfud
Riset Sains dan Teknologi Kelautan Volume 7, Nomor 2, Tahun 2024
Publisher : Departemen Teknik Kelautan Fakultas Teknik Universitas Hasanuddin

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62012/sensistek.v7i2.41715

Abstract

Lakkang is one of the neighbourhoods located in Tallo Sub-district, Makassar City and is a residential area and tourist destination purpose. Lakkang can be accessed from varius directions, namely from Kera-kera and Tallo. To get to Lakkang, people currently use catamaran boats. In order to support shipping to Lakkang, a pier was built on the island called the Lakkang pier. Lakkang Pier is made of wood. The existing pier at this time during the high tide season with flood discharge the pier is submerged in water, the distance between the pier floor and the low tide elevation is 1.93 m and the condition of the pier construction is not safe for the process of loading and unloading goods and getting on and off passengers. Therefore, a pier design is needed that can overcome these problems. The purpose of this research is to conduct preliminary planning of floating docks in Lakkang. The research starts from collecting secondary data and primary data. Secondary data includes spatial planning documents, social economy and river discharge. While primary data include tides, bathymetry, shipload, and ship data. Furthermore, analysis of all data collected was carried out to determine the dimensions of the floating dock. The planning results obtained the dimensions of the planned pier have a length of 9.2 m, a width of 5.2 m, a height of 0.708 m, and a ladder of 0.115 m.

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