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Zona Laut : Jurnal Inovasi Sains dan Teknologi Kelautan
Published by Universitas Hasanuddin
ISSN : 27472124     EISSN : 27215717     DOI : 10.20956
Core Subject : Science, Engineering,
Civil Engineering, Building, Construction & Architecture Control & Systems Engineering Energy Engineering Transportation
Dalam Pengembangan dan pengolahan SDA maritim memerlukan kerjasama multidisiplin ilmu, dimana kesemua disiplin ilmu tersebut berperan besar dalam menjadikan Indonesia sebagai poros maritim dunia. Oleh karena itu diperlukan inovasi dan sinergi untuk menghasilkan riset tentang teknologi kelautan oleh perguruan tinggi, lembaga-lembaga penelitian dan industri dapat memberikan kontribusi terhadap issue tersebut. Tujuan Zona Laut adalah sebagai wadah menyalurkan pemikiran, ide-ide cemerlang dan konstruktif komprehensif sehingga menjadi bagian usulan-usulan solusi bagi kemajuan pembangunan Sumber Daya Kelautan Indonesia. Topik-topik yang dapat diterbitkan Zona Laut ini adalah: 1. Teknologi dan Rekayasa Bangunan Lepas Pantai 2. Desain Produk Bangunan Perikanan dan Kelautan 3. Manajemen Transportasi Laut dan Aplikasi Teknologi Pelayaran 4. Energi Kelautan Terbarukan 5. Sistem dan Pengendalian Kelautan 6. Material Maju kelautan 7. Rekayasa dan Manajemen Kepelabuhanan serta Pengembangan Sumber Daya Pesisir 8. Oseanografi dan Keteknikpantaian 9. Kebencanaan Pantai dan Lingkungan Laut Jurnal ini diterbitkan oleh Departemen Teknik Kelautan, Fakultas Teknik, Universitas Hasanuddin pada bulan Maret, Juli dan Nopember setiap tahun. Naskah yang telah disetujui untuk diterbitkan telah ditinjau oleh pengulas dan abstrak bebas untuk diunduh melalui situs web kami.
Arjuna Subject : Teknik (semua kategori) - Teknik Kelautan
Articles 6 Documents
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Search results for , issue "Volume 3, Nomor 1, Edisi Maret 2022" : 6 Documents clear
Optimalisasi Lambung Kapal Penangkap Ikan Dengan Bahan Dasar Fiberglass Di Pelabuhan Perikanan Puger Hery Indria Dwi Puspita; Ramli Firdaus Kusnadi; Dimas Syaikhu
Zona Laut : Jurnal Inovasi Sains Dan Teknologi Kelautan Volume 3, Nomor 1, Edisi Maret 2022
Publisher : Departemen Teknik Kelautan Universitas Hasanuddin

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20956/zl.v3i1.11087

Abstract

The fishing boats used by fishermen on Puger Beach generally still use traditional wooden fishing boats, which were modified from the previous boat design. But over time, the availability of wood decreases. So it is necessary to have alternative basic materials for the manufacture of fishing vessels. An alternative that can replace wood as the basic material for making fishing boats in Puger is fiberglass. Fishing vessels in Puger have varied sizes so it is necessary to analyze the optimum vessel size to operate in Puger. In maintaining ship safety and shipworthiness, a comparison between several parameters of existing fishing vessels is needed. By using the optimization method and then analyzed so that the optimal ship size parameters are obtained. So the optimization results from the ship model in Puger are for a length (L) of 15.57 m, a width (B) of 4.34 m, a ship's height (H) of 1.49 m, and a ship's draft (T) of 0.56 m. From the optimal size of the vessel, then a drawing of the shape of the hull of a fishing vessel made of fiberglass is carried out. The evaluation carried out is the ship's performance such as resistance, stability, and ship seakeeping. So that in determining the shape of the hull which has the characteristics of resistance, stability, and good seakeeping, the ship is in accordance with Puger. So that it can improve and increase the performance of the fishing boats with the aim of the results of this study being to provide recommendations for improving the design of traditional fishing boats in the waters of Puger, Jember Regency
Studi Pengaruh Variasi Bentuk Wave-Piercing Terhadap Hambatan Pada Kapal Katamaran Untuk Meningkatkan Efisiensi Pemakaian Bahan Bakar Gilang Andika Putra; Arif Winarno
Zona Laut : Jurnal Inovasi Sains Dan Teknologi Kelautan Volume 3, Nomor 1, Edisi Maret 2022
Publisher : Departemen Teknik Kelautan Universitas Hasanuddin

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20956/zl.v3i1.19571

Abstract

The main variable to increasing the ship's fuel efficiency is the ship's resistance generated by the hull shape. The calculation of ship resistance can be done with software. This study aims to determine the total resistance of the ship and estimate the fuel requirements of the catamaran. The catamaran hull design uses a symmetrical catamaran, the same design as the ship model of Jamaluddin et, al. (2012) in the towing tank test. The model obtained is then calculated for ship resistance and fuel requirements. The method of calculating ship resistance is using the Holtrop method. The results of the analysis of ship resistance are obtained from several variations of the wave-piercing model to get a lower resistance value so that more optimal fuel efficiency is achievable. Based on the analysis and calculations using CFD, from 3 variations of the wave-piercing shape, it shows a 6.1% reduction in resistance on the MV6 model with a variation of fn 0.19-0.65. The MV6 model is obtained the resistance value, the most efficient motor fuel consumption of other wave-piercing types.Roman
Pengaruh Posisi Pengelasan Dan Diameter Filler Pada Hasil Pengelasan Daun Propeller Dengan Gas Metal Arc Welding Dwisetiono Dwisetiono; Rizal Dikrulloh
Zona Laut : Jurnal Inovasi Sains Dan Teknologi Kelautan Volume 3, Nomor 1, Edisi Maret 2022
Publisher : Departemen Teknik Kelautan Universitas Hasanuddin

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20956/zl.v3i1.20068

Abstract

The propeller is a key component in ship propulsion as a means of producing thrust to move the ship. The damage that occurs to the propeller on the propeller leaf is fouling, erosion occurs due to cavitation, cracks and bends occur due to collision. This research was conducted to analyze the effect of welding position and filler diameter on the results of welding repair of propeller leaf with GMAW. The tests carried out are tensile tests, hardness tests, impact tests and macrographic observations. Tensile test results on GMAW welding for maximum tensile strength at the 2G welding position have a high ultimate tensile strength value. In the 1G and 2G welding positions the macrographic observations were good because there were no welding defects found compared to the 3G welding position. The highest hardness results in 1G welding compared to 2G and 3G welding positions. The result of the highest impact test is the 1G welding position compared to the 2G and 3G welding positions. Based on the results of testing the difference in filler diameter, defects were found in the test samples at the position of 2G filler 1.2 mm, 3G filler 1.0 mm, and 3G filler 1.2 mm, while the position of 1G filler 1.0 mm, 1G filler 1.2 mm, and 2G 1.0 mm filler found no defects. For the tensile test, the hardness and impact on the 1.0 mm filler diameter have a high average value compared to the 1.2 mm filler diameter.
Telaah Hubungan El Nino-Southern Oscillation (Enso) Dengan Madden-Julian Oscillation (Mjo) Di Provinsi Aceh Ariska Ariska; Achmad Yasir Baeda; Hasdinar Umar
Zona Laut : Jurnal Inovasi Sains Dan Teknologi Kelautan Volume 3, Nomor 1, Edisi Maret 2022
Publisher : Departemen Teknik Kelautan Universitas Hasanuddin

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20956/zl.v3i1.20525

Abstract

El Nino–Southern Oscillation (ENSO) is a symptom of deviation in the surface temperature of the Pacific Ocean on the west coast of Ecuador and Peru which is higher than the normal average which is characterized by an increase in sea surface temperature in the Central and Eastern equatorial regions. ENSO climate variability consists of three phenomena, namely normal events, El Nino and La Nina. The development of the El-Nino Southern Oscillation (ENSO) event demonstrates an important role for the Madden-Julian Oscillation (MJO). This phenomenon is suspected to have a relationship and is closely related to the decrease and increase in the intensity of rainfall in Indonesia. This study was conducted with the aim of analyzing the relationship between the ENSO and MJO phenomena and their impacts in Aceh Province, through empirical methods with statistical calculations, based on ENSO variables in the form of the Nino 3.4 index, amplitude variables representing the MJO and rainfall data in Aceh Province. The data for these two variables were obtained from NOAA and BoM, while the rainfall data was obtained from NASA. The data period analyzed is 10 years, from 2010 to 2019. The two data will be filtered and analyzed for correlation using a simple linear regression method. From this study it was found that basically ENSO does have a relationship with the MJO and has a relationship with increasing and decreasing rainfall intensity in Aceh Province. However, the correlation is at a weak to moderate level, and the impact is not as strong in the Central and Eastern regions of Indonesia. This strengthens the hypothesis of the weak influence of ENSO in Aceh Province; where the strengthening of the MJO is more about its synergy with the IOD or Indian Ocean Dipole, especially on the positive value (P-IOD).
Dampak Perubahan Garis Pantai Terhadap Pemanfaatan Lahan Pesisir Kecamatan Tamalanrea Kota Makassar Taufiqur Rachman; Hasdinar Umar; Ichwanul Haq Bahtiar
Zona Laut : Jurnal Inovasi Sains Dan Teknologi Kelautan Volume 3, Nomor 1, Edisi Maret 2022
Publisher : Departemen Teknik Kelautan Universitas Hasanuddin

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20956/zl.v3i1.20533

Abstract

area of ​​Makassar City is one of the areas experiencing significant land use changes. In addition, the pattern of changes in coastline from year to year that occurs in the coastal area of ​​Makassar City always experiences additions and decreases in coastal areas. This is due to the phenomena of accretion and abrasion and the sedimentation rate of the Tallo River formed in this area is quite large and continues to increase. The area directly affected and studied is Tamalanrea                      Sub-District. This study aims to analyze shoreline changes and their impact on land use over a period of 20 years in Tamalanrea Sub-District, using Landsat satellite imagery data. This research is expected to provide benefits to local governments as a basis for consideration in determining regional spatial planning policies, especially in the use of coastal land. The research method includes field observations, processing of oceanographic supporting data, digitizing and overlaying image data. Changes in the coastline for a period of 20 years (1998-2018) in Tamalanrea Sub-District were 20.14 Ha where the coastline that experienced accretion and abrasion was 12.20 Ha and 7.95 Ha, respectively. Changes in land use on the coast of Tamalanrea Sub-District for 18 years (2000-2018) which increased were residential land by 2.34 Ha, industrial/warehousing land by 82.37 Ha, public facilities land by 13.36 Ha, and mangrove land of 3.27 Ha. While the reduced land use is 70.89 Ha of wet land and 20.36 Ha of dry land. Changes in coastline to changes in land use in coastal areas in Tamalanrea Sub-District have physical, ecological/environmental, socio-economic, and institutional/legal impacts that are positive for the sustainable management of the coastal area of ​​Tamalanrea Sub-District.  It
Analisis Keselamatan Kerja Pada Sistem Pengoperasian Forklift Dan Crane Guna Mencegah Kecelakaan Kerja Meysa Atika Puteri; Harianto Harianto; Threevaldo Joan Saputra; Musdalifah Akbar Simanjuntak; Edwin Randalangi; Athira Salsabila; Andi Hamril Vikri Al Farisi
Zona Laut : Jurnal Inovasi Sains Dan Teknologi Kelautan Volume 3, Nomor 1, Edisi Maret 2022
Publisher : Departemen Teknik Kelautan Universitas Hasanuddin

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20956/zl.v3i1.20551

Abstract

The propeller is a key component in ship propulsion as a means of producing thrust to move the ship. The damage that At any time in the work process there is always the possibility of work accidents. Forklifts and cranes are lifting and transport aircraft that support the implementation of the production process or work with a fairly high potential for danger. In this study, we will discuss in more depth what forklifts and cranes are, what are their advantages and disadvantages, what are their uses, and what important components are found in forklifts and cranes. Therefore, there is a need for an analysis of the use of lifting equipment to be used in order to produce the right alternative lifting equipment in carrying out a job. This research was conducted using a descriptive method that provides an overview of the application of work safety regulations in the operation of forklifts and/or cranes. The results of this study will then be evaluated so that an improvement can be determined so that the operation of forklifts and cranes can be safe. This research was conducted using a descriptive method that provides an overview of the application of work safety regulations in the operation of forklifts and/or cranes. The results of this study will then be evaluated so that an improvement can be determined so that the operation of forklifts and cranes can be safe.

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