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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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Sedimentation Characteristics and Sediment Transport in the Palu River Estuary Sucipto, Adi; Thaha, M. Arsyad; Hatta, M. Putra; Mahmuddin, Faisal
Civil Engineering Journal Vol 11, No 2 (2025): February
Publisher : Salehan Institute of Higher Education

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.28991/CEJ-2025-011-02-03

Abstract

Sedimentation is the process through which materials transported by water flow settle within that water. Changes in current patterns, driven by tides and variations in current velocity, can influence sediment transport. This study aimed to identify sediment transport patterns and analyze the characteristics of suspended sediment and bed load in the Palu River estuary. We employed field investigations, two-dimensional (2D) numerical modeling, and data analysis to process the findings. The results indicated that the sediment characteristics in the Palu River estuary varied, with a predominance of sand and gravelly sand. Additionally, sediment transportation patterns were found to be primarily influenced by river flow discharge rather than tidal effects. The research findings are presented in a correlation equation that illustrates the relationship between dimensionless parameters: C = ρs.(a.ψ)bwith coefficient values of a = 412.71 and b = (-0.545). The results of this correlation equation indicate that as the energy from water movement increases, sediment becomes more dispersed, leading to changes in the concentration of sediment particles. It can be concluded that various variables affect sediment transport due to hydrodynamic conditions. Doi: 10.28991/CEJ-2025-011-02-03 Full Text: PDF
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

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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.
Penerapan Teknologi Pendingin Ikan Berbasis Energi Surya pada Masyarakat Nelayan di Desa Turungan Kecamatan Mattiro Sompe Kabupaten Pinrang Faisal Mahmuddin; Syerly Klara; Muhammad Banda Selamat; Rahmatullah
Jurnal Riset & Teknologi Terapan Kemaritiman Vol. 1 No. 2 (2022)
Publisher : Departemen Teknik Sistem Perkapalan, Universitas Hasanuddin

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Abstract

Desa Turungang, Kelurahan Langnga, Kecamatan Mattirosompe, Kabupaten Pinrang merupakan sebuah desa yang berbatasan dengan selat Makassar. Karena lokasi geographis yang berbatasan dengan laut ini, maka sebagian besar penduduk desa Turungang berprofesi sebagai nelayan. Untuk menangkap ikan, para nelayan biasanya menggunakan kapal ikan, sedangkan untuk mendinginkan dan mengawetkan hasil tangkapan, nelayan menggunakan es balok. Namun demikian, penggunaan es balok sangat tidak efektif karena lama dan pendinginannya yang terbatas sehingga nelayan tidak dapat beroperasi lebih jauh dan lebih lama karena harus segera membawa pulang hasil tangkapan ke darat untuk di jual sebelum ikannya menjadi tidak segar. Untuk itu, pada program pengabdian ini akan dilakukan penerapan teknologi pendingin ikan berbasis energi surya pada kapal ikan yang dimiliki oleh masyarakat nelayan. Dengan menggunakan teknologi ini, nelayan dapat beroperasi lebih jauh dan lebih lama karena teknologi ini akan mendinginkan ikan secara optimal selama nelayan melaut. Selain itu, karena memanfaatkan energi terbarukan, biaya operasional yang harus dikeluarkan juga sangat rendah dan nelayan dapat juga memanfaatkan listik oleh sistem ini untuk kepentingan lain seperti untuk penerangan atau komunikasi (radio).
Perencanaan Sistem Pembangkit Listrik Hybrid Pada Kapal Penyeberangan Lintas Lembar – Padang Bai Khalqih, Muhammad Alim Khairi; Mahmuddin, Faisal; Klara, Syerly
Jurnal Riset & Teknologi Terapan Kemaritiman Vol. 2 No. 1 (2023)
Publisher : Departemen Teknik Sistem Perkapalan, Universitas Hasanuddin

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25042/jrt2k.062023.03

Abstract

Penggunaan bahan bakar fosil sebagai sumber energi saat ini masih menjadi prioritas utama. Akibatnya, kondisi ketersediaan bahan bakar fosil di dalam perut bumi menjadi semakin cepat menipis. Selain itu, penggunaan bahan bakar fosil merupakan salah satu penyebab global warming dan hujan asam akibat emisi gas yang dihasilkan dan dibuang ke lingkungan. Tujuan utama dari penggunaan sistem hibrid ini adalah mengurangi konsumsi bahan bakar fosil dengan cara memaksimalkan penggunaan energi yang terbarukan. Sistem hibrid ini menggabungkan dua atau lebih sumber energi yang berbeda untuk memenuhi kebutuhan beban yang ada dan mengetahui kelayakan penggunaan sistem pembangkit listrik tenaga hybrid (angin – panel surya dan generator) pada kapal Ro-Ro 1500 GT. Berdasarkan metode simulasi program HOMER serta mengetahui nilai ekonomi dari penggunaan sistem pembangkit listrik tenaga hybrid pada kapal Ro-RO 1500 GT didapatkan perhitungan ekonomis berdasarkan metode homer maka dapat disimpulkan bahwa penerapan sistem pembangkit listrik hybrid cukup menguntungkan serta mendukung program ecoship dimasa yang akan datang. Pembangkit listrik tenaga hibrid yang memiliki nilai ekonomis yang terbaik adalah Pembangkit listirk tenaga hibrid yang menggunakan panel surya – turbin angin dan generator. PLTH yang menghasilkan energi listrik terbesar juga berada pada PLTH turbin angin yang menghasilkan listrik sebesar 40.242 kWh/yr.
Analisa Efisiensi Gearbox pada Motor Penggerak Listrik Kapal Nelayan Yericsen, Petra; Mahmuddin, Faisal; Klara, Syerly
Jurnal Riset & Teknologi Terapan Kemaritiman Vol. 2 No. 1 (2023)
Publisher : Departemen Teknik Sistem Perkapalan, Universitas Hasanuddin

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25042/jrt2k.062023.04

Abstract

Gearbox berfungsi sebagai alat untuk melambatkan putaran motor listrik, sehingga diharapkan dapat digunakan untuk menyesuaikan putaran serta mengubah daya atau torsi dari motor yang berputar menjadi tenaga yang lebih besar. Penelitian ini juga bertujuan untuk menganalisa masalah efisiensi dari gearbox sebagai sistem penunjang dalam pengoperasian motor listrik. Pada penelitian dilakukan beberapa variasi tegangan listrik yaitu 60, 110,160, dan 210 Volt. Pengambilan data juga dilakukan dengan menggunakan beban (air) dan tanpa beban. Dari hasil analisa didapatkan hasil bahwa semakin tinggi tegangan listrik yang diberikan pada motor listrik maka semakin besar nilai efisiensi yang didapatkan dimana pada kondisi tanpa beban saat tegangan 210 volt nilai efisiensi gearbox sebesar 99,870%, pada saat kondisi dengan beban (air) saat tegangan 210 volt nilai efisiensi gearbox sebesar 98,887%. Semakin kecil tegangan semakin besar torsi yang dihasilkan dimana pada kondisi tanpa beban saat tegangan 60 volt torsi poros propeller sebesar 1.809 Nm, pada kondisi dengan beban (air) saat tegangan 60 volt 3.361 Nm.
Fishing Vessel Position Monitoring System Based on the Internet of Things (IoT) Yusuf, Andi Jaya Wardanah; Mahmuddin, Faisal; Shintarahayu, Balqis; Budiman, Budiman
Indonesian Journal of Maritime Technology Vol. 3 No. 1 (2025): Volume 3 Issue 1, June 2025
Publisher : Naval Architecture Department, Kalimantan Institut of Technology

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35718/ismatech.v3i1.1197

Abstract

The life of traditional fishermen in Indonesia is closely related to the sea. Coastal communities rely on marine products as a source of daily livelihood. However, in recent years, many traditional fishermen have disappeared at sea. Based on those problems, it is necessary to create a tool in an effort to develop security for fishermen in the form of a position monitoring system that is able to reduce the risk of fishermen disappearing in the middle of the sea by using a better and more practical system. This research developed a system for monitoring the position of fishing vessels using an Arduino microcontroller. Based on the results of testing and analysis in this research, it is known that the position monitoring system on fishing vessels uses a NodeMcu LoLin V3 type microcontroller as a data processor and GPS Ublox Neo-6M as a sensor which functions to send location points on a fishing vessel. The coordinates of the location of the fishing vessel are then displayed on the smartphone via the Blynk application. So when the tracking tool is connected to the internet, the average difference in distance precision between the Ublox Neo 6M GPS and Google Maps is 2.3 meters. For input speed from NodeMcu LoLin v3 and GPS Ublox Neo 6M to the Blynk application displayed on the smartphone. Monitoring for 40 seconds showed that the data speed displayed was one location data per second. From the results of the tests carried out, this tool can work well and can be used to monitor fishing vessels continuously.
Simulasi Pengaruh Panjang Pipa Terhadap Efektifitas Destilator dengan Memanfaatkan Energi Panas Gas Buang Mesin Mahmuddin, Faisal; Mahesa, Hendra; Klara, Syerly
Jurnal Penelitian Enjiniring Vol 27 No 2 (2023)
Publisher : Center of Techonolgy (COT), Fakultas Teknik, Universitas Hasanuddin

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25042/jpe.112023.05

Abstract

Salah satu permasalahan utama yang dihadapi oleh nelayan ketika melaut adalah terbatasnya ketersediaan air tawar diatas kapal. Pada penelitian sebelumnya, telah dilakukan penelitian dengan memanfaatkan panas gas buang mesin penggerak kapal dengan membuat desain dan prototipe destilator. Namun pada penelitian tersebut didapati masalah pada panjang pipa yang digunakan, sehingga berpengaruh terhadap efektivitas destilator. Tujuan dari penelitian ini adalah mengetahui pengaruh penambahan panjang pipa terhadap efektivitas destilator dan mengetahui panjang pipa optimal untuk mencapai efektivitas destilasi yang baik. Metode penelitian ini menggunakan software ansys fluent dan analisis rumus-rumus perpindahan panas untuk menentukan berapa temperatur gas buang keluar (Tho) dan temperatur air keluar (Tco) kemudian menghitung dan membandingkan ketiga variasi panjang pipa 5m, 7m, dan 9m untuk diketahui laju perpindahan panas dan efektifitasnya. Hasil penelitian menunjukkan bahwa nilai efektifitas perpindahan panas untuk variasi panjang 5m sebesar 45,5%, variasi panjang 7m sebesar 50,19%, variasi panjang 9m sebesar 66,41%. Terjadi peningkatan nilai efektifitas perpindahan panas seiring dengan penambahan ukuran panjang pipa dengan ukuran diameter yang sama sebesar 0,8cm, sehingga dari ketiga variasi panjang pipa yang telah dibuat diketahui bahwa panjang pipa yang optimal terdapat pada destilator dengan panjang pipa sebesar 9 m.
Optimasi Keel Cooler pada Sistem Pendingin Mesin Induk Kapal Nikmatullah, Muhammad Iqbal; Ahyuni, Sri; Klara, Sherly; Mahmuddin, Faisal; Eka, A. Erwin
Jurnal Penelitian Enjiniring Vol 28 No 2 (2024)
Publisher : Center of Techonolgy (COT), Fakultas Teknik, Universitas Hasanuddin

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25042/jpe.112024.05

Abstract

OT ship Skylie is a type of tanker that uses a keel cooler as its engine cooling system. The keel cooler is a new type of heat exchanger that is applied in the shipping world because it is installed externally on the ship's hull below the surface of the water. This study aims to determine the optimum length dimensions of the keel cooler system. Methods of analysis and simulation using Ansys software. Based on the calculation results on several variations of the keel cooler length dimensions, the greatest heat transfer value is 6.655 x 105 W in the length variation II with an inlet pipe size of 53.85 meters, an outlet pipe of 47 meters, and a pipe length of 44 meters with the greatest effectiveness value of 80.138%. Meanwhile, the lowest heat transfer was 4,503 x 105 W in the length variation III with an inlet pipe size of 37.85 meters, 31 meters outlet pipe and 28 meters long pipe with the lowest effectiveness value of 79.910%. Therefore it can be concluded that the longer the dimensions of the keel cooler, the greater the heat transfer value and effectiveness and the size variations studied meet the standard values ​​​​for the effectiveness of using the keel cooler.
Maintenance Design of The Main Engine Support Systems on KMP. Kormomolin Under System Dynamics Scheme Klara, Syerly; Hariyanto, Surya; Mahmuddin, Faisal; Shantya, Puput
Maritime Park: Journal of Maritime Technology and Society Volume 2, Issue 2, 2023
Publisher : Department of Ocean Engineering, Faculty of Engineering, Hasanuddin University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62012/mp.v2i2.26477

Abstract

The operational activities of the ship's main engine support system elevated the possibility of failure. The main engine support system at KMP. Cormomolin, which belongs to PT. ASDP Indonesia Ferry (Persero), is extremely crucial to the ship's operation. Once the ship is not sailing, maintenance and repair can be handled. The component evaluation engine can be employed to accurately estimate inadequacies in the main support system. Failure Mode Effect and Critical Analysis (FMECA) identifies the root cause of critical component failures such as filters in the fuel system and cooler and sea chest filters in the cooling system. This study generates maintenance recommendations for the main engine support system for five years, including: fuel oil filter maintenance intervals every 151 hours at a cost of IDR 14,169,072, cooler maintenance intervals every 2481 hours at a cost of IDR 16,313,508, and sea chest filter maintenance intervals every 722 hours at a cost of IDR 11,167,152. For the fuel system, the cost care percentage is 81%, and for the cooling system, it is 46% after 5 years.
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