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All Journal KAPAL Jurnal Ilmu Pengetahuan dan Teknologi Kelautan Wave: Jurnal Ilmiah Teknologi Maritim Jurnal Pengabdian Pada Masyarakat
Madi Madi
Teknik Sistem Energi, Institut Teknologi Sumatera
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Comparative Analysis of Taper and Taperless Blade Design for Ocean Wind Turbines in Ciheras Coastline, West Java Madi, Madi; Tuswan, Tuswan; Arirohman, Ilham Dwi; Ismail, Abdi
Kapal: Jurnal Ilmu Pengetahuan dan Teknologi Kelautan Vol 18, No 1 (2021): February
Publisher : Department of Naval Architecture - Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/kapal.v18i1.32486

Abstract

The blade is the most critical part of turbine design because it is used to convert kinetic to mechanical energy. In general, the blade types used for ocean wind turbines are taper and taperless blades, like those operated at Ciheras Coastline. Previous research has been analyzed the type of airfoil used in designing taper blades for ocean wind turbines using NACA 4412, which was selected as the optimal foil configuration at sea wind speeds of 12 m/s. In this study, the comparison of taper and taperless blade designs using NACA 4412 at a wind speed of 12 m/s is analyzed. The comparative study with previous research has been carried out and resulted in the same graphical patterns and performance results. In this study, the focus is on investigating the performance coefficient of power, mechanical power, and electrical power. The final result shows that taper blade designs are highly recommended for use in ocean wind turbines compared to taperless blades. In general, the performance produced by taper blades is more significant than taperless blades at relatively high wind speeds. The maximum performance coefficient of power, mechanical power, and electrical power generated by the taper blades in sequent are 0.47, 1535 watts, and 786 watts, while the taperless blades have 0.44, 1437 watts, and 736 watts.
STUDI EKSPERIMEN MODEL WATER FLOW DEFLECTOR UNTUK MENINGKATKAN PERFORMA TURBIN ARUS LAUT TIPE VERTIKAL PADA KECEPATAN ARUS RENDAH Madi Madi; Risfihan Rafi; Muhammad Mukti Asyidiqi; Hasbiyalloh Hasbiyalloh; Arif Ronaldo
Wave: Jurnal Ilmiah Teknologi Maritim Vol. 15 No. 2 (2021)
Publisher : Badan Riset dan Inovasi Nasional

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29122/jurnalwave.v15i2.4954

Abstract

Indonesia mempunyai potensi energi arus laut sebesar 17.989 MW, yang telah diratifikasi oleh Asosiasi Energi Laut Indonesisa (ASELI) pada tahun 2014. Hasil survei tersebut menunjukan bahwa kecepatan arus laut di Indonesia tergolong rendah, namun potensinya sangat besar. Potensi tersebut belum dimanfaatkan secara optimal untuk menutupi kekurangan rasio elektrifikasi di Indonesia. Adapun dalam memanfaatkannya dibutuhkan teknologi turbin untuk mengkonversi menjadi energi listrik. Turbin yang dapat bekerja pada kecepatan arus rendah adalah tipe vertikal sudu lurus, namun efisiensi yang dihasilkan masih cukup rendah. Sehinngga, penelitian ini bertujuan untuk meningkatkan performa turbin arus laut tipe vertikal dengan menambahkan water flow deflector. Prinsip kerja deflector berdasarkan Hukum Kontinuitas, yang mana dengan memperkecil luas permukaan input maka arus laut yang mengenai turbin akan meningkat sehingga menghasikan putaran dan torsi yang lebih besar. Metode yang digunakan dalam penelitian ini adalah, eksperimen karena lebih mendekati dengan kondisi aktual. Hasil akhir penelitian ini telah menunjukkan bahwa, water flow deflector telah meningkatkan performa turbin sebesar ....%. Sehingga, water flow deflector sangat direkomendasikan untuk diterapkan di wilayah perairan Indonesia yang cenderung berkecepatan arus rendah.
Penerapan Teknologi Energi Hybrid: Turbin Mikrohidro dan Panel Surya untuk Menambah Produksi Energi Listrik di Dusun Batu Saeng, Tanggamus, Lampung Madi Madi; Putty Yunesti; Mugi Praseptiawan; Risfihan Rafi; Alfajar Puja Kusuma
Jurnal Pengabdian Pada Masyarakat Vol 7 No 3 (2022): Jurnal Pengabdian Pada Masyarakat
Publisher : Universitas Mathla'ul Anwar Banten

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (531.575 KB) | DOI: 10.30653/002.202273.149

Abstract

APPLICATION OF HYBRID ENERGY TECHNOLOGY: MİCRO-HYDRO TURBİNE AND SOLAR PANELS TO INCREASE ELECTRİCAL ENERGY PRODUCTİON İN DUSUN BATU SAENG, TANGGAMUS, LAMPUNG. Dusun Batu Saeng, Tanggamus, Lampung is one of the areas that utilize the potential of the surrounding natural resources. One of the potentials used is river water which is used as a Micro Hydro Power Plant (PLTMH). However, the source of electrical energy that has been used for 10 years does not appear to be optimal in its utilization. This is because many components are damaged and unfit for use which has reduced their performance. The production of electrical energy from PLTMH is 8 kW which is distributed to 20 houses, this amount will be reduced during the dry season to 6-7 kW. Based on that, it is necessary to replace components such as turbines and generators with a capacity of 10 kW. In addition, during a prolonged dry season, it can also be utilized by installing a 1 kW photovoltaic as a Solar Power Plant (PLTS). Thus, by utilizing water and solar sources, more optimal electricity production can be produced through hybrid energy from PLTMH and PLTS in Dusun Batu Saeng, Lampung. The implementation stages include literature study, site survey, group discussion forum, design and planning, design and preparation, manufacture of PLTMH and PLTS, installation of PLTMH and PLTS, monitoring and evaluation, and final report. The result of this program is an increase in electricity production from 8 kW to 11 kW of hybrid energy from PLTMH and PLTS. It is hoped that in the future this program can be applied to other areas so that they become energy-independent communities.
Co-Authors Alfajar Puja Kusuma Arif Ronaldo Arirohman, Ilham Dwi Hasbiyalloh Hasbiyalloh Ismail, Abdi Muhammad Mukti Asyidiqi Praseptiawan, Mugi Putty Yunesti Risfihan Rafi Tuswan Tuswan