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All Journal Jurnal Ilmu dan Teknologi Kelautan Tropis Journal of Oceanography
Ai Yuningsih
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Biochemistry, Genetics & Molecular Biology Decision Sciences, Operations Research & Management Earth & Planetary Sciences Library & Information Science

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KAJIAN POTENSI ENERGI ARUS LAUT DI SELAT TOYAPAKEH, NUSA PENIDA, BALI Dewangi, Chandra Leveraeni; Sugianto, Denny Nugroho; Rifai, Aziz; Yuningsih, Ai
Journal of Oceanography Vol 6, No 1 (2017)
Publisher : Program Studi Oseanografi, Jurusan Ilmu Kelautan, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (811.609 KB)

Abstract

Kebutuhan energi listrik terus mengalami peningkatan dan sumber energi listrik di Indonesia masih didominasi oleh energi fosil yang ketersediaannya terbatas di alam, sehingga diperlukan pencarian sumber energi lain yang terbarukan. Nusa Penida merupakan wilayah kepulauan yang dikelilingi selat–selat sehingga berpotensi untuk pengembangan energi terbarukan yaitu arus laut. Tujuan penelitian ini adalah untuk mengetahui tipe arus laut serta mengetahui potensi energi yang dapat dihasilkan dari arus laut di Selat Toyapakeh, Nusa Penida, Bali. Penelitian ini menggunakan metode kuantitatif dan penentuan lokasi dengan cluster sampling. Penelitian ini dibagi menjadi dua tahap, yaitu survey lapangan yang terdiri dari pengukuran arus dan pasang surut serta tahap pengolahan data yang terdiri dari analisa data, numerik, dan menghitung estimasi rapat daya. Tipe arus laut di Selat Toyapakeh adalah arus pasang surut yang bergerak ke arah tenggara saat pasang dan ke arah barat daya saat surut. Selat Toyapakeh berpotensi dalam pemanfaatan energi arus laut. Daerah potensi terletak pada koordinat 11527”51,903’ - 11528”34,387’ BT dan 840” 15,430’ - 841”7,045’LS dengan luas 0,6 km2. Daya rata – rata yang dihasilkan di titik potensi adalah 16,6 kW dan 66,47 kW per tahun.
POTENTIAL ENERGY OF OCEAN CURRENT FOR ELECTRIC POWER GENERATIONIN COASTAL AREAS OF EAST FLORES, NTT Ai Yuningsih; Achmad Masduki
Jurnal Ilmu dan Teknologi Kelautan Tropis Vol. 3 No. 1 (2011): Elektronik Jurnal Ilmu dan Teknologi Kelautan Tropis
Publisher : Department of Marine Science and Technology, Faculty of Fisheries and Marine Science, IPB University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (892.2 KB) | DOI: 10.29244/jitkt.v3i1.7831

Abstract

The electrical energy is one of the important needs for coastal communities particularly in small islands that has not reached by national electricity network. In order to fulfill this particular electricity needs, we do variety diversification efforts, such as the utilization of the ocean currents. The purpose of this survey is to recognize the morphology of seafloor and characteristic of hydro-oceanography as a fixed reference location in using the current energy. The study area is in the Larantuka Strait between Flores and Adonara islands which is part of the Flores Strait, East Nusatenggara Province. The methods of this study are current measurements, tidal and meteorological parameter observations, condition of coastal morphology and seafloor of the study area. The result show that, the location for turbine position is in area with relatively gentle slope morphology at a 20 meters water depth and it is close to local community. Based on the analysis of ADCP mobile current measurement, the minimum current velocity is 0.004 m/sec and maximum 3.68 m/sec. Whereas, from the ADCP static measurements the current velocity is from 0.002 m/sec to 2.83 m/sec. This condition is closely related to the semi-diurnal tide type in the study area, with two pairs of flood and web events within 24 hours. Therefore, the results of ocean current energy analysis indicate that the study area is very potential for using as a power plant location.Keywords: potential energy of ocean currents, power plants, energy diversification, Larantuka Strait, East Flores
Co-Authors Achmad Masduki Aziz Rifai Denny Nugroho Sugianto Dewangi, Chandra Leveraeni