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All Journal Zona Laut : Jurnal Inovasi Sains dan Teknologi Kelautan
Habibi Palippui
Departemen Teknik Kelautan Fakultas Teknik Universitas Hasanuddin
Civil Engineering, Building, Construction & Architecture Control & Systems Engineering Energy Engineering Transportation

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Analisis Perawatan Injector Akibat Penyumbatan Bahan Bakar Pada Main Engine Kapal Faulina Khusniawati; Habibi Palippui
Zona Laut : Jurnal Inovasi Sains Dan Teknologi Kelautan Volume 1, Nomor 2, Edisi Juli 2020
Publisher : Departemen Teknik Kelautan Universitas Hasanuddin

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20956/zl.v1i2.10832

Abstract

The auxiliary engine in its operation requires complete combustion to get an effective engine, one of which is to use the injector mechanism. Incomplete combustion can cause the engine to not work optimally, it will even cause damage to theengine so that it requires the cost of repair and replacement of its spare parts. The injector has a way of working by providing high-pressure fuel from the injection pump. The main function of a diesel injector is a device to shrink fuel until it breaks into smooth parts (mist) in high temperatures. The high temperature will have an impact on the engine so that regular maintenance is needed on the engine injector. This research uses data collection methods conducted by library research and document studies. This research includes: finding data of the main engine (injector), analyzing and identifying damage to the injector, repairing, and testing the injector engine.
Analisis Dampak Penerapan Kebijakan Bonded Warehouse (Gudang Berikat) Terhadap Biaya Logistik Di Pelabuhan Sapit Hidayat; Habibi Palippui
Zona Laut : Jurnal Inovasi Sains Dan Teknologi Kelautan Volume 1, Nomor 3, Edisi November 2020
Publisher : Departemen Teknik Kelautan Universitas Hasanuddin

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20956/zl.v1i3.11980

Abstract

A bonded warehouse is a place to store imported goods, which can be accompanied by one or more activities in the form of packaging / repacking, sorting, merging (kitting), packing, adjusting, cutting, for certain goods within a certain period to be reissued. In the Minister of Finance Regulation (PMK) No.155 / PMK.04 / 2019 concerning Bonded Warehouses, the Ministry of Finance emphasizes that this tightening of supervision is carried out in two forms, both in terms of taxation and the mechanism for importing goods. This bonded warehouse policy is expected to reduce national logistics costs by reducing dwelling time at ports and accelerating access to raw material warehouses to industry. The essence of this study is to analyze the extent of the influence obtained by users of bonded warehouse services in terms of logistics costs. Cost comparisons are obtained from surveys with companies that have already utilized bonded warehouse facilities.
Analisa Pengaruh Jumlah Muatan Terhadap Beban Sloshing Tangki Pada Kapal Tanker Dengan Metode Numerik Amar Ma'ruf; Daeng Paroka; Habibi Palippui
Zona Laut : Jurnal Inovasi Sains Dan Teknologi Kelautan Volume 2, Nomor 1, Edisi Maret 2021
Publisher : Departemen Teknik Kelautan Universitas Hasanuddin

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20956/zl.v2i1.13340

Abstract

Tank is a cargo storage container and is the main part of ships carrying liquids and gases so that the cargo is maintained and safe. As a storage medium, the tank will always get loads that come from inside as well as loads that come from outside the tank, sloshing is one of the loads that come from inside. Sloshing occurs due to the movement of the vessel/tank resulting in free motion of oscillating fluid hitting the tank wall. The purpose of this study was to find the effect of the load on the movement and sloshing load on the tank with variations in the amount of load. The tank model used is a reference to a general purpose tanker transporting crude oil in two-dimensional rectangular conditions (midship) with a width of 8,6 m and a height of 8 m on both the left and right sides. The variations used are 10% load volume (0,8 m high), 30% volume (2,4 m high), 50% volume (4 m high), 70% variation (5,6 m high) and 90% variation (high 7,8 m). The simulation was carried out with a numerical method, namely Computational Fluid Dynamic (CFD) using Ansys Fluent software. The back of the tank is based on the movement of the ship which in this case is limited to heaving and rolling motion, from the simulation results it is concluded that the biggest sloshing effect occurs at the load volume variation of 10%, the frequency is 2.145, while the greatest pressure occurs at the lower left corner of the tank with a pressure of 443,29 Kpa.
Co-Authors Amar Ma'ruf Daeng Paroka Faulina Khusniawati Hidayat, Sapit