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All Journal International Journal of Marine Engineering Innovation and Research Mengabdi: Jurnal Hasil Kegiatan Bersama Masyarakat
Desta Rifky Aldara
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Agriculture, Biological Sciences & Forestry Humanities Automotive Engineering Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Education Electrical & Electronics Engineering Energy Engineering Environmental Science Health Professions Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Physics Social Sciences Transportation

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Design and Simulation of Axial Turbine for Ocean Thermal Energy Conversion (OTEC) Irfan Syarif Arief; Toni Bambang Musriyadi; Desta Rifky Aldara
International Journal of Marine Engineering Innovation and Research Vol 3, No 1 (2018)
Publisher : Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (570.957 KB) | DOI: 10.12962/j25481479.v3i1.4076

Abstract

Decreasing in fossil energy reserves about 3% every year and has not been matched by the discovery of new energy reserves. Therefore, it is necessary to increase the use of renewable Energy to meet energy needs. Renewable energy is energy derived from sustainable natural processes. Indonesia located in the tropical area, it has a lot of potential ocean energy. OTEC (Ocean Thermal Energy Conversion) is one of many renewable energy sources from the ocean. OTEC or Ocean Thermal Energy Conversion is one of the latest technologies that used the temperature difference between deep and shallow seawater. OTEC system generally used ammonia (NH3) as working fluid. Ammonia is used because it has a relatively low boiling point compared to water. OTEC system consists of evaporators, turbines, generators, condensers, and pumps. In this research, the authors focused on the design of lab-scale OTEC turbines. 2 stage turbine will be varied the tilt which is 0, 5, 10, 15, 20, 25, 30, 35, 40, 45, 50 degree. The computational fluid dynamics (CFD) method is used in this research to simulate the OTEC Turbine. Based on the simulation results, the highest efficiency and net power is a 2 stage 40 degree turbine with 57.45% of efficiency and 287.25 kW of generated power
Program Pelatihan Operasional Kapal Speedboat Fiberglass Untuk Operator Kapal Tradisional Sampang-Gili Mandangin Dalam Rangka Mendukung Perkembangan Kapal Berbahan Fiberglass Di Pulau Madura Taufan Prasetyo; Misbakhul Fatah; M. Musta’in; Aurista Miftahatul Ilmah; Desta Rifky Aldara; Fadlilatin Nailah; Mohammad Abdullah; Muhammad Arus Samudro; Astri Rino Okvitasari; Abd. Munif
MENGABDI : Jurnal Hasil Kegiatan Bersama Masyarakat Vol. 1 No. 6 (2023): Desember : MENGABDI : Jurnal Hasil Kegiatan Bersama Masyarakat
Publisher : Asosiasi Riset Ekonomi dan Akuntansi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/mengabdi.v1i6.246

Abstract

Mandangin Island is one of the islands in Sampang Regency which has an area of 1650 km 2 with a population of around 3000 people. Most of the people on this island, the majority of whom work as fishermen, generally travel around 12.2 km to Sampang City to buy daily necessities by boarding traditional wooden boats at the Tanglok Sampang port. According to information conveyed by the Head of the Sampang Regency Transportation Service, most or almost all of the passenger ships that dock at Tanglok Port are traditional wooden ships whose actual function is to transport goods, not passengers, which are quite old. The Transportation Department considers the existing ships to be less safe and comfortable and therefore require refreshing. Besides that, wood as the main material in nature is decreasing in quantity so the price is increasingly expensive. The method implemented in this community service is to carry out a fiber glass boat operational training program for traditional boat operators. With this activity, it is hoped that the continued use of fiber glass boats can begin to be used and reduce the use of wooden boats which are relatively more expensive.
Co-Authors Abd. Munif Astri Rino Okvitasari Aurista Miftahatul Ilmah Fadlilatin Nailah Irfan Syarif Arief M. Musta’in Misbakhul Fatah Mohammad Abdullah Muhammad Arus Samudro Taufan Prasetyo Toni Bambang Musriyadi