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All Journal Jurnal Techno Bahari Indonesian Journal of Maritime Technology or abbreviated (ISMATECH)
Lionita Agusty, Cindy
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Civil Engineering, Building, Construction & Architecture Control & Systems Engineering Electrical & Electronics Engineering Energy Industrial & Manufacturing Engineering Mechanical Engineering Transportation

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Analisis Dinamika Kapal Ikan Berlambung Katamaran terhadap Fenomena Bottom Slamming dan Deck Wetness Sitorus, Chris Jeremy Verian; Alamsyah; Setiawan, Wira; Anjas Syam, Muhammad; Lionita Agusty, Cindy; Wahidah, Jusma; hariyono; Kustiwansa, Harlian; Syahab, Husein; Wahyu Pratama, Fernanda; Bahri, Irham
Techno Bahari Vol 12 No 1 (2025): Maret
Publisher : Politeknik Negeri Madura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52234/tb.v12i1.346

Abstract

Kurangnya perhatian terhadap aspek keselamatan dalam desain kapal ikan, di mana pembuat kapal lebih berfokus pada hasil tangkapan. Analisis bottom slamming dan deck wetness diperlukan untuk menghindari kondisi berbahaya saat menghadapi cuaca buruk. Nilai RAO(Response Amplitude Operator) kapal ikan katamaran perlu untuk diketahu dengan variasi sudut gelombang 0°, 90°, 135°, dan 180° serta menghitung probabilitas deck wetness dan bottom slamming. Perhitungan RAO dilakukan menggunakan metode optimasi dengan perangkat lunak Maxsurf pada variasi muatan 25% DWT ,50% DWT, dan 100% DWT. Hasil penelitian menunjukkan bahwa amplitudo heave tertinggi terjadi pada kondisi 100% DWT, kecepatan 6,45 knot, dan sudut gelombang 0°, sebesar 0,131 meter. Amplitudo pitch tertinggi adalah 2,02 derajat pada kondisi yang sama, sedangkan amplitudo roll tertinggi terjadi pada 50% DWT, kecepatan 6,45 knot, dan sudut gelombang 90°, sebesar 3,43 derajat. Probabilitas deck wetness sebesar 0,24% dan bottom slamming sebesar 0.0000000014996%, keduanya telah memenuhi standar NORDFORSK 1987. Kata Kunci: Bottom Slamming ; Deck Wetness; DWT ; Probabilitas; RAO
Conceptual and Preliminary Design Innovation of a Multipurpose Palm Fruit Vessel for Inland Plantation Waterways in Muara Kaman Suardi, Suardi; Jamal, Jamal; Irmandana, Arwis; Alamsyah, Alamsyah; Setiawan, Wira; Jeremy Verian Sitorus, Chris; Wahidah, Jusma; Lionita Agusty, Cindy; Mahmuddin, Faisal
Indonesian Journal of Maritime Technology Vol. 4 No. 1 (2026): Volume 4 Issue 1, June 2026
Publisher : Naval Architecture Department, Kalimantan Institut of Technology

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35718/ismatech.v4i1.8481848

Abstract

Oil palm fruit production in East Kalimantan continues to increase in line with high market demand. This situation demands efficient transportation facilities to transport the harvest from plantation areas. Furthermore, annual forest fires, particularly in peatland areas, are often difficult to manage due to limited land access. Based on these two challenges, this study proposes the design of a multipurpose vessel capable of both transporting oil palm fruit and supporting firefighting. The vessel is designed with main dimensions of L = 20 m, B = 4.9 m, H = 2 m, T = 1.5 m, and an operating speed of 8 knots. The cargo hold has a carrying capacity of 67.3 tons with a single trip distance of 12.3 km. The main innovation developed is a conveyor belt with hydraulic arms to increase the efficiency of the oil palm fruit loading and unloading process in the plantation area. Furthermore, the vessel is equipped with an external firefighting system with a capacity of 90 m³/hour with a horizontal spray range of 30 meters and a vertical height of 20 meters. The fire monitor operates using 7 kW of power to generate sufficient pressure to extinguish fires in areas difficult to reach from the riverbank. This multipurpose vessel is designed to provide an integrated solution for the oil palm plantation logistics chain while improving the response to forest fires in the Muara Kaman District.
Co-Authors Alamsyah Alamsyah - Anjas Syam, Muhammad Bahri, Irham Chris Jeremy Verian Sitorus Faisal Mahmuddin Hariyono, Hariyono Irmandana, Arwis Jamal Jamal Kustiwansa, Harlian suardi suardi Syahab, Husein Wahidah, Jusma Wahyu Pratama, Fernanda Wira Setiawan