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All Journal Trends in Mechanical Engineering Research
Suprayogi, Dedy Triawan
Department of Mechanical Engineering, Faculty of Engineering, Universitas Sultan Ageng Tirtayasa.
Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Control & Systems Engineering Electrical & Electronics Engineering Industrial & Manufacturing Engineering

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DEVELOPMENT OF VERTICAL AXIS MARINE CURRENT TURBINE FOR SUNDA STRAIT APPLICATION Suprayogi, Dedy Triawan; Sudrajad, Agung; Pinem, Mekro Permana; Yusuf, Yusvardi; Haryadi, Haryadi; Susilo, Sidiq
Trends in Mechanical Engineering Research Vol 1, No 1 (2023): June
Publisher : Department of Mechanical Engineering, Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62870/timer.v1i1.20494

Abstract

The development of Renewable Energy (RE) has become one of the priorities that has been promoted by various governments around the world, as a step towards implementing green energy in accordance with the Paris Agreement. The sea as one of the largest parts of the territory in Indonesia must be managed for its energy because it has quite large energy potential. One of them is ocean currents. The Sunda Strait is a very strategic strait and has ocean currents that have the potential to develop energy to be used as a source of electrical energy. Therefore the development of a suitable turbine design is urgently needed in this strait area. In previous research the simulation and experimental work have confirmed that the Savonius rotor can be worked in the low speed marine current. This is will be relevant with Sunda Strait condition that have current 0.4 – 1 m/s. The experiment also shows that the rotor provided torque 0.36 Nm with 11.97 RPM therefore can generated 0.45 Watt
ANALYSIS OF RESISTANCE ON FISHING VESSELS ON FISHERIES PORT, KARANGANTU SERANG Setiawan, Naufal Arifin; Satria, Dhimas; Pinem, Mekro Permana; Suprayogi, Dedy Triawan
Trends in Mechanical Engineering Research Vol 3, No 01 (2025): June
Publisher : Department of Mechanical Engineering, Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62870/timer.v3i01.34491

Abstract

Karangantu Port, located in Banten Province, plays a strategic role in supporting capture fisheries activities. However, fishing vessels operating in this port often face hydrodynamic resistance issues that affect operational efficiency. This study aims to analyze the influence of vessel speed and draft on the total resistance experienced by fishing boats. A 3D hull model was developed using SolidWorks and simulated using Maxsurf. Speed variations ranged from 5 to 12 knots, with four draft levels tested: 0.5 m, 0.7 m, 0.9 m, and 1.1 m. The results show that total resistance increases significantly with speed, particularly due to the dominance of wave-making resistance at speeds above 8 knots. Deeper drafts also lead to higher frictional resistance, caused by the increased wetted surface area. The optimal operational speed for maintaining fuel efficiency is in the range of 6 to 9 knots, with a balanced draft setting to ensure vessel stability without excessive resistance. These findings are expected to contribute to more efficient design and operation of fishing vessels at Karangantu Port.
Co-Authors Dhimas Satria Haryadi, Haryadi Mekro Permana Pinem, Mekro Permana Pinem, Mekro Permana Setiawan, Naufal Arifin Sudrajad, Agung Susilo, Sidiq Yusuf, Yusvardi