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Parlindungan Manik
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PENGARUH POSISI CENTERBULB BERBENTUK FOIL TERHADAP KOMPONEN HAMBATAN KAPAL IKAN KATAMARAN MV. LAGANBAR Muhammad Iqbal; Parlindungan Manik; Eko Sasmito Hadi; Achmad Kurniawan
JURNAL INTEGRASI Vol 12 No 1 (2020): Jurnal Integrasi - April 2020
Publisher : Politeknik Negeri Batam

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1020.283 KB) | DOI: 10.30871/ji.v12i1.1885

Abstract

Catamarans are double hull ships which have many advantages over single hull ships with the same displacement. To increase catches, fishermen in Cilacap converted ships from the original single hull with outrigger to double hull (catamaran). Displacement of ships has doubled. But the ship's resistance increased to almost 4 times. To reduce the resistance of catamarans, some researchers use the concept of center bulb. In this study, the center bulb form used foil. The purpose of this study was to determine the effect of center bulb position on ship resistance components by comparing 9 center bulb positions. The results stated that of the nine center bulb position configurations, Model 6 is the best model because at Fr 0.35 it can reduce ship resistance by up to 33%. For the viscous resistance component it is not significantly affected by the use of the center bulb. But on the wave resistance component, the use of this center bulb can reduce wave resistance by 47% at Fr 0.35.
ANALISA LIFEBOAT PLACEMENT EFFECTIVENESS TERHADAP PROSES EVAKUASI KAPAL PENUMPANG MENGGUNAKAN METODE AGENT BASED MODELLING SIMULATION Imam Pujo Mulyatno; Parlindungan Manik; Shalwa An-nisa Addawiyah
Jurnal Rekayasa Mesin Vol. 14 No. 2 (2023)
Publisher : Jurusan Teknik Mesin, Fakultas Teknik, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/jrm.v14i2.1348

Abstract

The study of “Lifeboat placement effectiveness” which was applied to the evacuation process of passenger ships should be based on the regulation of IMO MSC.1/Circ.1533. The analysis of the evacuation duration was important considering the high number of fatalities in shipping accidents based on KNKT data, as many as 686 people died in the last 7 years. This study analyzed the duration of evacuation using a simulation method based on “Agent Based Modelling Simulation” with the purpose to obtain a modeling framework to simulate the evacuation process to the lifeboat in 3 dimensions. Simulations were applied to 4 cases with 2 different lifeboat positions. The results of the analysis showed that the total value of the evacuation duration for lifeboats placement on the navigation deck which was placed close to the main stair of the exit route was leading than the placement in the existing position, which as case 1 lead by 1 minute, case 2 lead by 1 minute 2 seconds, case 3 lead by 23 seconds, and case 4 a lead by 17 seconds. The calculation also showed that the total evacuation duration in each case was valued at 60 minutes, which met the IMO MSC.1/Circ.1533 standard.
Co-Authors Achmad Kurniawan Andi Trimulyono Ari Widyatmoko Eko Sasmito Hadi Imam Pujo Mulyatno Muhammad Iqbal Samuel Samuel Shalwa An-nisa Addawiyah