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Kusnindar Priohutomo
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WAVE: Jurnal Ilmiah Teknologi Maritim
Published by Badan Riset dan Inovasi Nasional
ISSN : 1978886X     EISSN : 2614641X     DOI : https://doi.org/10.55981/wave
Core Subject : Science, Engineering,
Control & Systems Engineering Energy Engineering Mechanical Engineering Transportation
WAVE: Jurnal Ilmiah Teknologi Maritim (Journal of Maritime Technology) (e-ISSN: 2614-641X, p-ISSN: 1978-886X) is journal for publication result in science, assessment and application of technology from Engineer, Scienties, Researcher, Lecturer and Scholar in Maritime Technology (Naval Architecture, Offshore Engineering and Coastal Engineering). WAVE is an accredited Sinta 4 which is publised twice a year in June dan December. WAVE accept journal manuscript is result from research (not journal review) and is never publish anywhere. Journal manusript have focus and scope in Maritime Technology (Naval Architecture, Offshore Engineering and Coastal Engineering) which cover: Shipbuilding and Floating Structure Design Technology Hydrodynamic Technology of Offshore Structures Marine Engineering and Underwater Acoustic Technology Planning & Management of Ports and Coastal Areas Port Infrastructures and Coastal Structures Technology Coastal Processes Ocean Wave Mechanics, Extreme Waves/Tsunamis, and Other Water Related Disasters Coastal Hydroinformatics Marine Renewable Energy Conversion Technology Marine Numerical and Safety Analysis WAVE is index in: DOAJ, GARUDA, SINTA, GoogleScholar, Dimensions, OpenAire, ScienceGate, Scilit, ROAD, WorldCat and Crossref.
Arjuna Subject : Teknik (semua kategori) - Teknik Kelautan
Articles 5 Documents
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Search results for , issue "Vol. 19 No. 1 (2025)" : 5 Documents clear
Study of Design and Implementation of 3D Printing in FRP Shipbuilding Mustika Ningrum; Fitri Hardiyanti; Heri Supomo
WAVE: Jurnal Ilmiah Teknologi Maritim Vol. 19 No. 1 (2025)
Publisher : National Research and Innovation Agency (BRIN Publishing)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55981/wave.2025.432

Abstract

3D Printing is becoming a more reliable and professional manufacturing method. The benefits of additive manufacturing such as design optimization, weight reduction, and ease of prototyping are factors that speed up the 3D printing process. Although further research on 3D printing is still needed, in some specific applications, 3D printing can be useful. The maritime industry still uses conventional technology in shipbuilding. In addition, shipbuilding has to face very high classification requirements that compel the use of technology that ensures repeatability and high quality. The factor of the length of the process is due to difficulties in the raw materials for shipbuilding. Fiberglass is an alternative basic material for shipbuilding with sufficient material availability, relatively cheap prices, light weight, and more flexibility in catching fish. Fiberglass boats have a longer service life, corrosion resistant, light weight, low production and maintenance costs, and effectively increase fishing. The difficulty of the conventional method of hand lay-up and vacuum infusion in the construction of fiberglass boats is due to the difficulty of determining the composition of the material, as well as the emergence of air bubbles which causes a decrease in the strength of the ship. So the chopper gun method is an efficient method. This research provides information about current R&D in the field of 3D Printing application in shipbuilding, especially ships made of Fiberglass, possible benefits, methods, materials, and opportunities.
Studi Perbandingan Thrust dan Torque pada Toroidal Propeller dengan Wageningen B-Series Propeller Menggunakan Simulasi Computational Fluid Dynamics (CFD) Tegar Prastyo; Muhammad Sawal Baital; Aulia Windyandari; Zulfaidah Ariany
WAVE: Jurnal Ilmiah Teknologi Maritim Vol. 19 No. 1 (2025)
Publisher : National Research and Innovation Agency (BRIN Publishing)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55981/wave.2025.9251

Abstract

Propeller berperan penting dalam sistem propulsi kapal, memengaruhi kecepatan dan efisiensi transportasi laut. Wageningen B-Series Propeller menjadi standar dalam analisis hidrodinamis, sementara Toroidal Propeller menawarkan keunggulan dalam torsi serta pengurangan noise dan getaran. Penelitian ini membandingkan karakteristik hidrodinamis dan performa propulsi kedua propeller menggunakan simulasi CFD dengan model turbulensi Transition k-kl-ω. Analisis mencakup Thrust, Torque, KT, dan KQ pada rentang 1500–3000 RPM. Hasilnya, Wageningen B-Series menghasilkan Thrust lebih tinggi, mencapai 2610 N pada 1500 RPM dan 3101 N pada 3000 RPM, dibandingkan Toroidal yang hanya 654 N dan 1591 N. Namun, Toroidal unggul dalam torsi, meningkat dari 67 Nm pada 1500 RPM menjadi 205 Nm pada 3000 RPM, sedangkan B-Series hanya 138,58 Nm. Kesimpulannya, Wageningen B-Series lebih unggul dalam Thrust, sementara Toroidal lebih baik dalam torsi dan potensi pengurangan kebisingan. Optimasi geometri Toroidal Propeller diperlukan untuk meningkatkan daya dorong dan efisiensinya agar lebih kompetitif di industri maritim.
Experimental Study of Integrated Fan Turbine in Oscillating Water Column with Valve System in Venturi Directional and Solar Energy as Hybrid Energy Converter Madi Madi; Muhammad Gufran Nurendrawan Bangsa; Bintari Citra Kurniawan
WAVE: Jurnal Ilmiah Teknologi Maritim Vol. 19 No. 1 (2025)
Publisher : National Research and Innovation Agency (BRIN Publishing)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55981/wave.2025.10540

Abstract

Indonesia, with a maritime area of 7.081.000 km², has significant marine and energy potential. Its vast ocean can generate up to 1995 MW of energy, primarily from strong tidal movements, which can drive turbines to produce electricity. Indonesia's coastal topography supports tidal energy generation, and as a tropical country on the equator, it also has significant solar energy potential, with an average solar irradiation of 217 GWh/year. However, both energy sources are underutilized due to technological challenges, especially in remote areas. Current technologies like Oscillating Water Column (OWC) and Tidal Power Modifier (TPM) are not yet optimal for electricity generation. This experimental model is developed with a flow rectifier system in the venturi tube, which increases the fluid velocity based on continuity theory. Performance evaluation was conducted by recording electrical parameters like voltage and current generated by the turbine and solar PV. Test results showed that the hybrid turbine and solar PV system produced higher electricity output than the turbine without solar energy, with an average electric power of 2.24 x 10 3 watts, and a more optimal hybrid efficiency of 2233.33%.
Kajian Struktur Dasar Ganda pada Accomodation-Work Barge (AWB) Akibat Perubahan Fungsi Operasional dengan Pendekatan Metode Elemen Hingga Hariyono Ismail; Alamsyah; Ferdian Pasha Anwar; Chris Jeremy Verian Sitorus; Harlian Kustiwansa; Cindy Lionita Agusty; Azhar Aras Mubarak
WAVE: Jurnal Ilmiah Teknologi Maritim Vol. 19 No. 1 (2025)
Publisher : National Research and Innovation Agency (BRIN Publishing)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55981/wave.2025.11477

Abstract

Accomodation-Work Barge (AWB) merupakan jenis kapal tongkang tanpa sistem propulsi yang berfungsi sebagai tempat akomodasi bagi pekerja di sektor migas dan industri kemaritiman. Untuk menunjang sistem tambat, pemilik kapal melakukan modifikasi dengan mengubah tangki air tawar menjadi ruang mooring dan anchor winch. Alih fungsi ini menyebabkan terjadinya perubahan pola pembebanan pada struktur double bottom. Penelitian ini bertujuan untuk membandingkan kinerja struktur double bottom sebelum dan sesudah modifikasi pada tiga kondisi pembebanan, yaitu air tenang, sagging, dan hogging. Beban yang dianalisis meliputi muatan fresh water pada kondisi awal serta beban mooring dan anchor winch pada kondisi setelah modifikasi. Hasil analisis menggunakan pendekatan metode elemen hingga menunjukkan bahwa tegangan maksimum terjadi saat kondisi hogging sebesar 162,19 MPa sebelum modifikasi dan meningkat menjadi 184,66 MPa setelah modifikasi. Evaluasi faktor keamanan pada frame 20–25 di bawah ruang mooring mengalami penurunan, baik kriteria bahan maupun tegangan ijin BKI. Nilai Safety Factor minimum setelah modifikasi adalah 1,02 saat hogging. Hasil ini menunjukkan bahwa modifikasi ruang tangki berpengaruh signifikan terhadap penurunan kekuatan struktur double bottom.
Maximum Stress Analysis on Ship Anchor Chains with Various Force Angles Chris Jeremy Verian Sitorus; Luluh Wardah; Alamsyah; Suardi; Andi Mursid Nugraha Arifuddin; Samsu Dlukha Nurcholik; Hariyono; Jusma Wahidah; Harlian Kustiwansa; Ahmad Azwar Mas`ud M
WAVE: Jurnal Ilmiah Teknologi Maritim Vol. 19 No. 1 (2025)
Publisher : National Research and Innovation Agency (BRIN Publishing)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55981/wave.2025.11611

Abstract

One of the components of ship fittings is the anchor chain. Usually, when the anchor is moored, it is not always positioned perpendicular to the ship’s hull; instead, it often forms an angle between the chain and the hull. Due to environmental influences or excessive tension occurring at certain angles, there have been cases of anchor chains breaking. Therefore, it is necessary to conduct a maximum stress analysis of the ship’s anchor chain with varying force angles to determine the maximum stress experienced by the chain. This research focuses on the anchor chain of the Tug Boat Marina 2435 and utilizes ANSYS Workbench for finite element analysis. In this research, the chain is suspended from the hawse pipe with a diameter of 19 mm, and the loading on the anchor chain is static, consisting of the weight of the chain and the anchor. The angles analyzed are 30°, 35°, 40°, 45°, 50°, 55°, and 60°. The maximum stress on the anchor chain was observed at an angle of 35°, with a value of 6.9943 MPa. The stress at each angle remained below the ultimate tensile strength of the material, which is 515 MPa.

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