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All Journal KAPAL Jurnal Ilmu Pengetahuan dan Teknologi Kelautan Teknobiz : Jurnal Ilmiah Program Studi Magister Teknik Mesin Jurnal Penelitian Transportasi Laut International Journal of Marine Engineering Innovation and Research JURNAL ILMU DAN TEKNOLOGI PERIKANAN TANGKAP Jurnal Sains & Teknologi Fakultas Teknik Universitas Darma Persada
Ayom Buwono
Universitas Darma Persada
Automotive Engineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Physics Transportation

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ANALISA VARIASI PUTARAN, DAN TEMPERATUR PADA MESIN PEMBUAT ICE SLURRY DI KAPAL IKAN Oloan, Aldyn Clinton Partahi; MUSLIM, MUSWAR; BUWONO, AYOM; AFFANDI, ALDI NUR
Jurnal Sains & Teknologi Fakultas Teknik Universitas Darma Persada Vol. 13 No. 1 (2023): Jurnal Sains & Teknologi
Publisher : Fakultas Teknik Universitas Darma Persada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70746/jstunsada.v13i1.192

Abstract

Ice slurry muncul sebagai alternatif utama yang sangat mendukung kinerja nelayan dimulai dari bahan baku yang bisa langsung diambil ketika ditengah laut dan bertambahnya ruang pada kapal untuk penyimpanan ikan tersebut. Mesin Ice Slurry ini sebagai alat eksperimen untuk nelayan nantinya dan penelitian kali ini dibuat variasi putaran pada pengaduk es (scrapper) dimana variasinya yaitu 500 rpm, 1000 rpm, 1200 rpm pada motor listrik yang kemudian direduksi oleh gearbox yang memiliki ratio 1 : 30 dan dibuktikan dengan volume air laut pada setiap variasi yang ditetapkan yaitu 20 liter dengan waktu 90 menit serta menghitung nilai COP dan hasil dari variasi tersebut kemudian dianalisis maka didapatkan jumlah ice slurry yang dihasilkan yaitu pada variasi 500 rpm adalah 11,42 %, variasi 1000 rpm adalah 33,45 % dan variasi 1200 rpm adalah 13,61 %. Sehingga disimpulkan bahwa hasil terbaik dari 20 liter air laut dengan waktu 90 menit yaitu pada variasi 1000 rpm motor listrik dimana hasil ice slurry paling banyak diantara yang lain yang berjumlah 33,45 % atau 6,69 kg dengan nilai COP adalah 10,24 dimana nilai itu ada di rata – rata ketiga variasi tersebut.
Fiberglass Construction Testing Simulation On Boat Hulls Febrian, Shahrin; Buwono, Ayom
Jurnal Sains & Teknologi Fakultas Teknik Universitas Darma Persada Vol. 14 No. 1 (2024): Jurnal Sains & Teknologi
Publisher : Fakultas Teknik Universitas Darma Persada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70746/jstunsada.v14i1.479

Abstract

As a maritime country, Indonesia relies heavily on ships as an economical means of transportation and conveyance. Boats, which were used for many years, were originally made of wood. However, because wood has properties that are easily weathered due to weather and chemical factors and requires adequate maintenance, fiberglass material in the form of FRP (Fiber Reinforced Plastics) laminates appeared as a substitute for wood. This material has many advantages over wood, so ships made from FRP began to gain a place in the shipping world, especially among ship manufacturers. However, In 2009, a survey carried out at multiple shipyards revealed that the construction design and lamination process of fiberglass ship hulls generally did not have clear standards, resulting in a significant risk of accidents. To minimize this risk, a simulation of fiberglass construction testing was held with samples taken from 6 shipyards where each sample had a different configuration and material, and the results of Carbon Fiber provided optimal results.
Analysis Of The Use HSD, MDO And B-30 On Passenger Ships 2000 GT Oloan, Aldyn Clinton Partahi; Muslim, Muswar; Buwono, Ayom; Febrian, Shahrin
International Journal of Marine Engineering Innovation and Research Vol 9, No 4 (2024)
Publisher : Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j25481479.v9i4.22169

Abstract

The ship being analyzed is a Ferry ro-ro 2000 GT sailing from Bali to Lombok via the Lombok Strait crossing route with a distance of 38 nautical miles. Identification of the use of diesel fuel for ship operations is important for ferry vessels, especially in connection with efforts to efficiently use of diesel fuel in ship operations. In solving problems, efficiency analysis is completed by applying technical analytical, correlational-predictive, and comparative methods. The technical analytical method is specifically used to calculate engine characteristics in fuel use, and the correlational-predictive method is used as an approach method to the phenomenon of the relationship between engine characteristics in the use of different fuels in ship operations, in contrast, the comparative method approach will be used to provide a detailed illustration. More complete in a case study of the use of diesel as fuel for the operational main engine of a ferry ship.
Preliminary Design of a Catamaran Ship for Water Tourism in Lake Sunter Kindangen, Augustinus Pusaka; Syahdan, Lurimarna; Manullang, Shanty; Buwono, Ayom; Irvana, Rizky
International Journal of Marine Engineering Innovation and Research Vol 10, No 2 (2025)
Publisher : Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j25481479.v10i2.22118

Abstract

Lake Sunter, an man-made lake built since the 1970s and covering approximately 33 hectares, is commonly referred to as Lake Podomoro. Positioned as an urban recreational space, its scenic vistas offer potential for diverse water-based activities. In order to increase tourist engagement with the lake, it is imperative to diversify the available attractions. Among these attractions, tourist boats emerge as a viable option to capture public interest. Accordingly, this study attempts to design a catamaran tour boat equipped with motorcycle propulsion, tailored for operation on Lake Sunter. In the first stage, the primary dimensions of the catamaran vessel are determined using the linear regression method, resulting in dimensions of L = 3.2m, H = 1.15m and T = 0.4m, with a passenger capacity of 3 persons. The ship's stability is then assessed in accordance with the criteria of the IMO A.749 (18) Code On Intact Stability, Chapter 3, which applies to all ship designs. This assessment includes Load Case I and Load Case II conditions to determine the stability of the ship under different scenarios.
Analysis Of The Use HSD, MDO And B-30 On Passenger Ships 2000 GT Aldyn Clinton Partahi Oloan; Muswar Muslim; Ayom Buwono; Shahrin Febrian
International Journal of Marine Engineering Innovation and Research Vol. 9 No. 4 (2024)
Publisher : Department of Marine Engineering, Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j25481479.v9i4.4894

Abstract

The ship being analyzed is a Ferry ro-ro 2000 GT sailing from Bali to Lombok via the Lombok Strait crossing route with a distance of 38 nautical miles. Identification of the use of diesel fuel for ship operations is important for ferry vessels, especially in connection with efforts to efficiently use of diesel fuel in ship operations. In solving problems, efficiency analysis is completed by applying technical analytical, correlational-predictive, and comparative methods. The technical analytical method is specifically used to calculate engine characteristics in fuel use, and the correlational-predictive method is used as an approach method to the phenomenon of the relationship between engine characteristics in the use of different fuels in ship operations, in contrast, the comparative method approach will be used to provide a detailed illustration. More complete in a case study of the use of diesel as fuel for the operational main engine of a ferry ship.
The Analysis of Thrust and Efficiency of B – Series Propeller : Influence of Speed Variation Aldyn Clinton Partahi Oloan; Muswar Muslim; Ayom Buwono
International Journal of Marine Engineering Innovation and Research Vol. 8 No. 4 (2023)
Publisher : Department of Marine Engineering, Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j25481479.v8i4.5098

Abstract

For variations in ship speed given data such as length perpendicular (LPP) 28 meters, propeller rotation (N) 290 rpm and shaft horse power (SHP) of 452.5 Hp by setting speed values varying from 4 knots to 9 knots, the average propeller efficiency for the B4-40 type is 60% while the average trust or thrust of the ship is 5873.5 kg and the average trust coefficient is 0.28. Likewise for the B4-55 type, the average propeller efficiency is around 58.6%, then the average thrust for the ship is 5736.3 kg and the thrust coefficient for the ship is 6.6.
Numerical Study of Kaplan Propeller by Using CFD: Effect of Angle and Blade Diameter Variations Mohammad Danil Arifin; Frengki Mohamad Felayati; Muswar Muslim; Ayom Buwono; Yeddid Yonatan Eka Darma
International Journal of Marine Engineering Innovation and Research Vol. 8 No. 2 (2023)
Publisher : Department of Marine Engineering, Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j25481479.v8i2.5451

Abstract

Efficient propeller performance contributes to better overall ship performance and speed. A well-designed propeller can optimize thrust generation, leading to improved maneuverability, responsiveness, and acceleration. It enables ships to maintain higher speeds while using less power, enhancing their competitiveness in the maritime industry. In this study, the Kaplan series propeller was analyzed by using Computational Fluid Dynamics (CFD). By modifying the angle of attack on the Kaplan propeller with 3, 4, and 5 blades, the distribution of the surface pressure, generated thrust, and torque value were easily identified and analyzed. The result shows that the change in the angle of attack influenced the pressure distribution on the back and face side of the propeller. The angle of attack is increased, and the pressure surface distribution also tends to increase. It has also affected the efficiency of the propeller performance which is expressed by the values of thrust propeller and torque. The more efficient the propeller performance, the less power it requires to produce the desired thrust.
Preliminary Design of a Catamaran Ship for Water Tourism in Lake Sunter Augustinus Pusaka; Lurimarna Syahdan; Shanty Manullang; Ayom Buwono; Rizky Irvana
International Journal of Marine Engineering Innovation and Research Vol. 10 No. 2 (2025)
Publisher : Department of Marine Engineering, Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j25481479.v10i2.6367

Abstract

Lake Sunter, an man-made lake built since the 1970s and covering approximately 33 hectares, is commonly referred to as Lake Podomoro. Positioned as an urban recreational space, its scenic vistas offer potential for diverse water-based activities. In order to increase tourist engagement with the lake, it is imperative to diversify the available attractions. Among these attractions, tourist boats emerge as a viable option to capture public interest. Accordingly, this study attempts to design a catamaran tour boat equipped with motorcycle propulsion, tailored for operation on Lake Sunter. In the first stage, the primary dimensions of the catamaran vessel are determined using the linear regression method, resulting in dimensions of L = 3.2m, H = 1.15m and T = 0.4m, with a passenger capacity of 3 persons. The ship's stability is then assessed in accordance with the criteria of the IMO A.749 (18) Code On Intact Stability, Chapter 3, which applies to all ship designs. This assessment includes Load Case I and Load Case II conditions to determine the stability of the ship under different scenarios.
Structural Integrity and Edge Stiffness Evaluation of GFRP Modular Towing Tank: Analytical and Numerical Study: Analytical and Numerical Study AR-RABAQI, MUHAMMAD A'ZOM; Muswar Muslim; Ayom Buwono; Moch Ricky Dariansyah; Mohammad Danil Arifin; ALDYN CLINTON PARTAHI OLOAN; Sulaksana Permana
International Journal of Marine Engineering Innovation and Research Vol. 11 No. 1 (2026): In Progress
Publisher : Department of Marine Engineering, Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j25481479.v11i1

Abstract

Conventional hydrodynamic testing facilities require substantial capital investment, limiting maritime research accessibility in developing nations. This study addresses the structural integrity and global stiffness challenges in designing a modular Glass Fiber Reinforced Polymer (GFRP) composite towing tank as a cost-effective alternative. A hybrid laminate configuration combining Chopped Strand Mat 450 g/m² and Woven Roving 800 g/m² was analyzed under hydrostatic loading using Classical Laminate Theory (CLT) and Finite Element Method (FEM). Analytical predictions indicated acceptable performance with 26.09 MPa bending stress and 5.95 mm deflection under fully clamped boundary assumptions. However, full-scale FEM simulation revealed critical free-edge effects, producing 41 MPa Von Mises stress and 62 mm deflection at the tank rim exceeding the L/200 serviceability limit despite maintaining a safety factor of 3.65. This study demonstrates that while the 19 mm wall thickness satisfies strength requirements per ASME RTP-1 standards, edge stiffening through horizontal rim reinforcement is essential to control excessive deformation in open-top modular configurations.
Co-Authors AFFANDI, ALDI NUR Aldyn Clinton Partahi Oloan AR-RABAQI, MUHAMMAD A'ZOM Augustinus Pusaka Dariansyah, Ricky Eka Darma, Yeddid Yonatan Frengki Mohamad Felayati Frengki Mohamad Felayati Lurimarna Syahdan M Alfath Eneste Mercy Patanda Moch Ricky Dariansyah Mohammad Danil Arifin Muswar Muslim Muswar Muslim Rizky Irvana Rizky Irvana Shahrin Febrian Shahrin Febrian Shanty Manullang Sulaksana Permana Syahdan, Lurimarna Yeddid Yonatan Eka Darma