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All Journal INSIST (International Series on Interdisciplinary Research) Jurnal Penelitian Transportasi Laut International Journal of Marine Engineering Innovation and Research
Arif Fadillah
Darma Persada University
Automotive Engineering Civil Engineering, Building, Construction & Architecture Control & Systems Engineering Decision Sciences, Operations Research & Management Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Physics Transportation Other

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Desain Model Fasilitas Dermaga Penumpang: Sebuah Konsep Berbasis Standar Pelayanan Minimum Nurul Fajri Dwitama; Arif Fadillah; Shanty Manullang
Jurnal Penelitian Transportasi Laut Vol 21, No 1 (2019): Jurnal Penelitian Transportasi Laut
Publisher : Puslitbang Transportasi Laut, Sungai, Danau, dan Penyeberangan

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (822.144 KB) | DOI: 10.25104/transla.v21i1.990

Abstract

Pariwisata memberi dampak besar pada kegiatan ekonomi sebuah negara. Wilayah dengan begitu banyak situs wisata menjadi magnet yang menjadi faktor penarik wisatawan internasional maupun lokal. Sebagai negara kepulauan, pelabuhan menjadi halaman depan dan memainkan peran penting untuk menerima wisatawan maupun penumpang lokal. Oleh karena itu, meningkatkan kinerja layanan pelabuhan menjadi kebijakan yang lebih penting bagi otoritas lokal pelabuhan. Penelitian ini menggunakan metode kualitatif untuk memperoleh data. Indeks Kepuasan Pelanggan (CSI) digunakan sebagai alat untuk menganalisis kinerja pelabuhan di pelabuhan yang diamati. Penelitian ini dilakukan dengan mengukur tingkat kepuasan penumpang terhadap fasilitas di Pelabuhan yang mejadi pengamatan, yaitu Pelabuhan Pangkal Balam. Dalam pengukuran tingkat kepuasan ini menggunakan analisis kuantitatif dengan menggunakan metode Customer Satisfaction index (CSI). Hasil penelitian menunjukkan bahwa tingkat kepuasan penumpang masih rendah untuk layanan nilai CSI, yaitu 54%. Dan untuk fasilitas, nilai CSI adalah 57%, peningkatan layanan dan penentuan standar layanan perlu mendesain ulang terminal penumpang dari Pelabuhan yang diamati, dengan menambahkan fasilitas sesuai dengan standar layanan minimum (SPM) berdasarkan peraturan nasional.
Analysis of Stability, Resistance, and Seakeeping Accord to Dimension and Form of Fishing Vessel 10, 20, 30 GT Rizky Irvana; Arif Fadillah; Shanty Manullang; Fridolini Fridolini
INSIST Vol 4, No 1 (2019)
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1058.646 KB) | DOI: 10.23960/ins.v4i1.199

Abstract

Fishing vessels used to catch resources from the sea has to pass some of the regulations from International Maritime Organization for sea-worthiness of the vessel especially about stability, resistance to acquire the highest velocity, and the vessel’s motion. This research discusses the effect of the vessel’s dimension and the hull shape by using the stability standard from IMO.The result shows that the ratio of the B/T which meets the stability criteria is 2.50 with the ratio of KG/H of the vessel is 0.65, with the assumption that the KG and H of the vessel are more than 0.70. Whereas if the resistance ratio B/T is big, the resistance for the vessel will be relatively smaller. In terms of the vessel motion, a vessel with a V-type hull will better than a U-type hull in seakeeping.
Seakeeping and Safety Assessment of Fishing Vessel 30 GT Rizky Irvana; Arif Fadillah; Shanty Manullang
International Journal of Marine Engineering Innovation and Research Vol 7, No 2 (2022)
Publisher : Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (415.864 KB) | DOI: 10.12962/j25481479.v7i2.12507

Abstract

In Indonesia, many fishing vessels are made from generation to generation in a traditional way. As a result, the ships built did not comply with the regulations and permits of the naval architects. The fishing industry is one of the most dangerous because it works on the high seas. Therefore the performance in hydrodynamics and safety should be evaluated on these traditional vessels. The main objective of this research is to evaluate the hydrodynamic performance and safety of fishing vessels. Following standard specifications or criteria, seakeeping performance is evaluated using Maxsurf Ship Design software. Assessment of existing safety equipment uses IMO (International Maritime Organization) regulations and the Torremolinos protocol. As a result, the ship can only operate at a wave height of 0,1-0,5 meters or undersea state 3. Ship safety inspections reveal that they still do not meet the required requirements and do not have the necessary equipment specified by the World Maritime Organization (IMO).
Anchor Analysis of the FPSO Spread Mooring System During Offloading Arif Fadillah; Natasyah Dewanti; Rizky Irvana
International Journal of Marine Engineering Innovation and Research Vol 8, No 4 (2023)
Publisher : Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j25481479.v8i4.19422

Abstract

FPSO (Floating Production Storage and Offloading) is a moving floating structure to accommodate petroleum exploration results with a frequently used mooring system, namely spread mooring. To make it easier for the FPSO ship to not be able to rotate or even move when loading and unloading due to environmental influences, a spread mooring mooring system is needed with analysis of the mooring stress and anchor lifting force that occurs on the FPSO ship. To determine the anchor lifting power and tension on the mooring, the RAO formula is needed using the Jonswap method, which will give RAO results in response to environmental influences. In this case, the Jonswap method is used to determine matters related to the RAO response to environmental factors by analyzing the FPSO ship model from Maxsurf software, then continuing the analysis using Ansys software. From the RAO response we get the mooring tension and anchor lifting power to the influence of environmental forces. The results of the mooring spread analysis obtained the highest stress value of 6.141 x 105 N, with an anchor lifting force of 4.717 x 103 N.
The Effect of Preheat and Post Weld Heat Treatment On Welding ASTM A 516 Grade 60 Material On Destructive Test Values Rizqi Jati Alwani; Arif Fadillah
International Journal of Marine Engineering Innovation and Research Vol 8, No 4 (2023)
Publisher : Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j25481479.v8i4.19454

Abstract

In the construction of independent tanks (spherical) must be related to welding. Welding itself has a very important role in the process of connecting steel plates. The aims of the research is to determine the effect of the presence or absence of preheat and PWHT on welding and uses ASTM A 516 grade 60 steel material, where the material is commonly used for the construction of tanks or pressure vessels. The steel material is welded by the SMAW (shield metal arc welding) welding process with several different welding variables, one of which is given the preheat and post weld heat treatment (PWHT) variables and the other is not given these variables. Then the material will be tested mechanically, such as bending test, tensile test, and impact test under low temperature conditions (-20oC). The method used in this research is experimental. From the results of the tests will be known the value of tensile strength and energy absorbed. In the welding test specimen with preheat and PWHT variables, an opening of 1.68 mm was obtained, with an average tensile strength value of 523 N/mm2, and an average energy value of 205.15 J. While in the specimen without preheat and PWHT variables, the opening was obtained. of 1.21 mm, with an average tensile strength value of 473.5 N/mm2, and an average energy value of 46.7 J.
Co-Authors Fridolini Fridolini Natasyah Dewanti Nurul Fajri Dwitama Rizky Irvana Rizqi Jati Alwani Shanty Manullang Shanty Manullang Shanty Manullang