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All Journal INOVTEK POLBENG Adi Widya : Jurnal Pengabdian Masyarakat
Sumardiono Sumardiono
Politeknik Perkapalan Negeri Surabaya
Computer Science & IT Social Sciences Other

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Pelatihan Pembuatan Miniatur Kapal Nelayan Berbahan Fiber-Reinforced Plastic (FRP) bagi Siswa SMKN 1 Tambakboyo Tuban Denny Oktavina Radianto; Sumardiono Sumardiono; Gaguk Suhardjito; I Putu Arta Wibawa; Rachmad Tri Soelistijono
Adi Widya : Jurnal Pengabdian Masyarakat Vol 5 No 1 (2021): ADIWIDYA
Publisher : Lembaga Penelitian dan Pengabdian Masyarakat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33061/awpm.v5i1.4646

Abstract

Community service entitled Training on Making Miniature Fishing Boats Made of Fiber-Reinforced Plastic (FRP) for Students of SMKN 1 Tambakboyo, Tuban City With the background of the existence of Tuban City as one of the coastal areas which is still trying to develop its community resources in the marine sector. Several vocational schools in Tuban have opened shipping and shipping engineering majors. Generally, these SMK students are taught how to operate supporting equipment for repair or management of ship transportation according to industrial needs. The purpose of this community service is to provide skills to students, especially at SMKN 1 Tambakboyo Tuban on how to make miniature fishing boats made of Fiber-Reinforced Plastic (FRP). Through shipbuilding skills that are more efficient in operation, it is hoped that the next generation of fishermen will have economic competitiveness because they are able to produce and use ships as efficient fishing facilities. The training was conducted online on Sunday 27 September 2020. The number of training participants was 53 participants from several schools in Tuban.
Analisa Hambatan, Stabilitas, dan Seakeeping Kapal Patroli Lepas Pantai Alif Nur Rochmad; I Putu Shindu Asmara; Sumardiono Sumardiono; Benedicta Dian Alfanda
INOVTEK POLBENG Vol 12, No 1 (2022): INOVTEK VOL.12 NO.1 2022
Publisher : POLITEKNIK NEGERI BENGKALIS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35314/ip.v12i1.2313

Abstract

Offshore Patrol Vessel (OPV)  are the result of technological development to defend the sea area. Fins Undership are fins-shaped devices located at the bottom of the ship's hull. The use of anti-roll systems (fins) on the ship is able to influence the rolling motion response on the ship. It is expected that when shooting conditions or avoid enemy attacks remain in a stable condition and in good performance. The addition of fin variations at the bottom of the ship's hull is a method used to change the resistance value and rolling moment arising from the ship's hull which is immersed in water. Calculation of ship resistance and rolling moment can be done through the Computational Fluid Dynamics (CFD) simulation method with the type of ship to be used is Offshore Patrol Vessel (OPV). Types of fins angle variation used are angles of 30°, 35°, 40° and 50°. So that it can be compared the resistance value and rolling moment with and without fins undership. The results of the study with the addition of Undership Fins on the underside of the hull influence the resistance and rolling moment of the ship. The results of simulation fins with NAIAD 525 type at a service speed of 22.4 knots, the angle of 30° has the lowest resistance value compared to other angles with a value at Maxsurf 945.3 kN and with Ansys CFD 933.708 kN. But the value of the engine power at an angle of 50° fins has the smallest value of 10.892,367 kW. As for the rolling moment value, the angle of 50° has the smallest rolling moment value with a value of 4.191.226.25 N.m at a frequency of 0.4 rad/s.
Co-Authors Alfanda, Benedicta Dian Alif Nur Rochmad Gaguk Suhardjito I Putu Arta Wibawa I Putu Shindu Asmara Radianto, Denny Oktavina Soelistijono, Rachmad Tri