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All Journal JURNAL RISET TEKNOLOGI KELAUTAN Civil Engineering Journal INOVTEK POLBENG Journal TEPAT: Teknologi Terapan untuk Pengabdian Masyarakat Specta Journal of Technology EPI International Journal of Engineering Jurnal Penelitian Enjiniring Fakultas Teknik Unhas Computational and Experimental Research in Materials and Renewable Energy (CERiMRE) Maritime Park: Journal Of Maritime Technology and Socienty Makara Journal of Technology Riset Sains dan Teknologi Kelautan Jurnal Riset & Teknologi Terapan Kemaritiman Indonesian Journal of Maritime Technology or abbreviated (ISMATECH)
Faisal Mahmuddin
Departemen Teknik Sistem Perkapalan, Fakultas Teknik, Universitas Hasanuddin
Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Physics Public Health Transportation

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Journal : EPI International Journal of Engineering

 1 
Prediction of Propeller Performance Using Computational Fluid Dynamics Approach Nur Amira Adam; Ahmad Fitriadhy; W. S. Kong; Faisal Mahmuddin; C. J. Quah
EPI International Journal of Engineering Vol 2 No 2 (2019): Volume 2 Number 2, August 2019 with Special Issue on Natural Disaster and Mitigat
Publisher : Center of Techonolgy (COT), Engineering Faculty, Hasanuddin University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25042/epi-ije.082019.15

Abstract

A reliable prediction approach to obtain a sufficient thrust and torque to propel the ship at desired forward speed is obviously required. To achieve this objective, the authors propose to predict the thrust coefficient (KT), torque coefficient (KQ) and efficiency (η) of the propeller in open-water model test condition using Computational Fluid Dynamics (CFD) simulation approach. The computational simulation presented in the various number of rotational speed (RPM) within the range of advance ratio J=0.1 up to 1.05. The higher value of J lead to decrease 10KQ and KT. While the η increased steadily at the lower value of J and decreased at the higher value of J. The results also showed that the propeller with 1048 rpm obtain a better efficiency at J=0.95 with η= 88.25%, 10KQ=0.1654 and KT= 0.0942. The computation result is very useful as preliminary data for propeller performance characteristics.
Preliminary Design and Energy Production of a Mobile Floating Structure (MFS) for Offshore Wind Turbines in Indonesian Waters Pawara, Muhammad Uswah; Sitorus, Chris Jeremy Verian; Hariyono, Hariyono; Arifuddin, Andi Mursid Nugraha; Alamsyah, Alamsyah; Hidayat, Taufik; Suardi, Suardi; Syadzali, Abdul Mujib; Mahmuddin, Faisal
EPI International Journal of Engineering Vol 8 No 1 (2025): Volume 8 Number 1, Februari 2025
Publisher : Center of Techonolgy (COT), Engineering Faculty, Hasanuddin University

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

The Mobile Floating Structure (MFS) is an innovative floating wind turbine concept that utilizes a catamaran hull design to enhance mobility and operational efficiency. Unlike stationary platforms, the MFS can relocate to areas with higher wind energy density, making it a promising solution for optimizing wind energy harvesting in offshore environments. This study focuses on the preliminary design and energy production of the MFS. Maxsurf is used to analyze hydrostatics and assess the hydrodynamic performance of the MFS hull after the dimension of the MFS is determine with key considerations including rotor diameter and the weight of the wind turbine. Furthermore, four wind turbines are installed in the MFS. Those aspect were integrated into the design process to ensure realistic operational adaptability. As result. the resulting dimensions of the MFS were determined utilizing Maxsurf. Moreover, different with the previous study that use satellite data, the present study employs reanalysis data to estimate the energy density and power production of MFS. the energy density map is also produced in the present study to determine the monthly location of the MFS. The energy production of the MFS with four turbines has been calculated, and the energy production map is also drawn. Finally, the energy production of the MFS in the chosen location has also been estimated. The energy production map can be utilized to develop MFS in other location.
Co-Authors ., Rahimuddin A Haris Muhammad . A Husni Sitepu . Abdul Mujib Syadzali Abidin, Abdul Basiq Zainal Adi Sucipto, Adi Ahmad Fitriadhy Ahyuni, Sri Akhir, Anshar Yaumil Alamsyah Alamsyah - Alfin Thariq Alwi, Muhammad Rusdy Andi Haris Muhammad Andi Haris Muhammad Andi Husni Sitepu Andi Mursid Nugraha Arifuddin Arifuddin, Andi Mursid Nugraha Arwin Amiruddin Aswar, Muhammad Baharuddin Arif Baharuddin Baharuddin Baharuddin Baharuddin Balqis Shintarahayu Balqis Shintarahayu . Budiman Budiman C. J. Quah Eka, A. Erwin Ganding Sitepu Ganding Sitepu . Hamzah - Hariyanto, Surya Hariyono, Hariyono Haryanti Rivai Haryanti Rivai, Haryanti Hasnawiyah H . Hasnawiyah Hasan Hatta, M. Putra Ikhwani, Rodlian Jamal IRWAN SETIAWAN Khalqih, Muhammad Alim Khairi Klara, Sherly Lestari, Anugrah Darma M Rusydi Alwi . M. Rusydi Alwi M. Uswah Pawara Mahesa, Hendra Mansyur Hasbullah Mansyur Hasbullah Mardiyansah - Masashi Kashiwagi Maulana, Mohammad Khafid Muas, Muhammad Muhammad Banda Selamat Muhammad Iqbal Nikmatullah Musnadi Natsir Nur Amira Adam Nur Asyah Rahimuddin . Rahimuddin Rahimuddin Rahmatullah Rusydi Alwi Sammang, Muhammad Samsuddin Amin Shantya, Puput Sherly Clara Sherly Klara Shintarahayu, Balqis Sitorus, Chris Jeremy Verian Suardi Suardi Surya Hariyanto Surya Hariyanto . Surya Haryanto Syerly Klara Tasrief, Muhdar Taufik Hidayat Thaha, M. Arsyad W. S. Kong Yasir - Yericsen, Petra Yusuf, Andi Jaya Wardanah Zulkifly Zulkifly