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All Journal KAPAL Jurnal Ilmu Pengetahuan dan Teknologi Kelautan Proceeding Applied Business and Engineering Conference Serambi Engineering TANJAK : Jurnal Pengabdian Kepada Masyarakat
Siswandi B
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Optimization of Propeller Tunnel Design for the Polbeng II Ship Jupri, Jupri; B, Siswandi; Afriantoni, Afriantoni; Efrizal, Efrizal; Hanif, Fadzi; Hadri, Muhammad Arika
ABEC Indonesia Vol. 12 (2024): 12th Applied Business and Engineering Conference
Publisher : Politeknik Negeri Bengkalis

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Abstract

The Polbeng II ship is one of the crew vessels owned by Bengkalis State Polytechnic. This ship plays a vitalrole in supporting various research and exploration activities in the waters of Bengkalis. To enhance the ship'sperformance in terms of speed, the addition of a propeller tunnel component has significant potential to improve thevessel's speed and efficiency. The tunnel is designed based on the propeller diameter (D) used by the Polbeng II ship, andthis study compares several design model variations of 20%D, 30%D, 40%D, and 50%D in relation to the distance fromthe rudder. The objective is to achieve the highest flow pressure value among the four design model variations using CFDevaluation based on an input fluid flow velocity of 1 m/s. The evaluation results indicate that the model with 40%Dyields the highest pressure value of 103.73 pascals, along with a flow velocity of 2.018 m/s.
Polbeng Research Vessel Comfort Study in the Malacca Strait Jamal, Jamal; Santoso, Budhi; Hafiz, Muhammad Alimul; Romadhoni, Romadhoni; Fazrian, Fazrian; B, Siswandi; Jupri, Jupri; Juanda, Juanda
Kapal: Jurnal Ilmu Pengetahuan dan Teknologi Kelautan Vol 22, No 2 (2025): Article in Progress (Accepted Papers)
Publisher : Department of Naval Architecture - Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/kapal.v22i2.66948

Abstract

The Polbeng Research Vessel is a ship that will be built by Politeknik Negeri Bengkalis (Polbeng) in collaboration with CV. Fatih Bahari Engineering. This vessel is made of High Density Polythene (HDPE) plastic, with the main dimensions of the ship: length (LOA) is 9 metres, breadth (B) is 2.2 metres, height (H) is 1.2 metres, and it uses an 85 HP outboat engine. This vessel's comfort study was conducted to see the ship's performance against equipment and humans in supporting research activities carried out by Polbeng. There are 4 cases in the study where there are 2 wave heights, namely 0.2 metres and 0.4 metres; each wave height is taken from 2 directions of waves hitting the ship, namely the beam seas direction (900) and the head seas direction (1800). There are 3 motions analysed, namely heave, roll, and pitch movements. The results of the ship's motion show that the roll motion in the Beam Seas wave direction has a more significant motion when compared to other motions. The analysis results show that the motion is in accordance with the theory that small ships for roll motions have shorter turnaround arms. Overall, this ship's motion is still common and meets the ship's comfort criteria based on the criteria issued by NORDFORSK 1987, STANAG 4154, U.S. Coast Guard (USCG), ISO 2631/1, ISO 2631/3, and BS. 6841:1987
Perbaikan Perahu Udang Kelompok Nelayan Desa Simpang Ayam Dengan Metode Laminasi Lambung Kayu Dengan Fiberglass B, Siswandi; Efrizal, Efrizal; Ikhsan, Muhammad
TANJAK : Jurnal Pengabdian Kepada Masyarakat Vol 5 No 2 (2024): TANJAK : Jurnal Pengabdian Kepada Masyarakat
Publisher : P3M Politeknik Negeri Bengkalis

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35314/v7c4dj93

Abstract

Perahu nelayan merupakan sebuah sarana atau alat apung lainnya yang digunakan untuk melakukan penangkapan bermacam jenis ikan, udang dan biota laut lainnya. Berbagai jenis, ukuran, bentuk, bahan atau material yang di gunakan pada perahu ini, terdapat berbagai macam permasalahan dan didapatkan mulai dari bahan yang di gunakan, bentuk lambung, ukuran dan juga proses dalam perbaikan yang di alami serta alga dan binatang laut yang membuat keropos material kayu pada perahun nelayan. Berdasarakan permasalahan yang dialami pada kelompok nelayan kurnia laut tim pelaksanaan kegitan pengabdian masyarakat memfokuskan pada proses perbaikan perahu nelayan dengan melaminasikan lambung perahu nelayan dengan fiberglass untuk mengatisipasi terjadinya pelapukan kayu yang diakibatkan oleh binatang laut. proses laminasi sebanyak 3 layer, CSM + WR + CSM , dan selanjutnya di lakukan proses finishing menggunan cat agar mengkilab. Proses laminasi melibatkan langsung oleh kelompok nelayan kurnia laut dengan tujuan agar nelayan kedepannya bisa memperbaiki perahu secara mandiri.
Perbandingan Kecepatan Perahu 1 GT Menggunakan Propeller Dua Daun dan Tiga Daun Pada System Water Jet Ikhsan, Muhammad; B, Siswandi; Jupri; Efrizal; Muhammad Ryan Saputra; Bima Kurniawan
Jurnal Serambi Engineering Vol. 11 No. 1 (2026): Januari 2026
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

Indonesia, as an archipelagic country with extensive marine areas, relies on small vessels as the main means of transportation for coastal communities; therefore, an efficient, safe, and suitable propulsion system for shallow waters is required. This study aims to analyze the effect of the number of propeller blades on the speed of a 1 GT boat equipped with a water jet propulsion system. An experimental method was applied by conducting speed tests in shallow waters using a 4-inch diameter water jet and a 7 HP Rubin engine. The tests were carried out using two-blade and three-blade propellers, each tested four times on the same boat, engine, and location. Primary data were obtained from direct testing and speed measurements, while secondary data included engine specifications, 1 GT boat characteristics, and water jet design data. The analysis was conducted using descriptive and comparative methods. The results show that the three-blade propeller produced a higher average speed of 4.88 knots compared to 4.13 knots for the two-blade propeller. The maximum speed achieved by the three-blade propeller was 5.3 knots, while the two-blade propeller reached 4.4 knots. These results indicate that the three-blade propeller generates greater thrust, making it more effective for improving the speed of small boats using water jet systems in shallow waters.
Co-Authors Afriantoni Afriantoni Bima Kurniawan Budhi Santoso Efrizal Efrizal Efrizal Fazrian, Fazrian Hadri, Muhammad Arika Hafiz, Muhammad Alimul Hanif, Fadzi Jamal Jamal Juanda Juanda Jupri Jupri Jupri Muhammad Ikhsan Muhammad Ryan Saputra Romadhoni Romadhoni, Romadhoni