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All Journal Conference on Innovation and Application of Science and Technology (CIASTECH) JOURNAL OF SCIENCE AND APPLIED ENGINEERING Logic : Jurnal Rancang Bangun dan Teknologi Mekanika: Majalah Ilmiah Mekanika Jurnal Energi dan Teknologi Manufaktur Otopro G-Tech : Jurnal Teknologi Terapan Jurnal Pengabdian Polinema Kepada Masyarakat Logic : Jurnal Rancang Bangun Dan Teknologi
Hangga Wicaksono
Jurusan Teknik Mesin, Politeknik Negeri Malang, Kota Malang
Aerospace Engineering Agriculture, Biological Sciences & Forestry Humanities Automotive Engineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Education Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mechanical Engineering Social Sciences Other

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Journal : JOURNAL OF SCIENCE AND APPLIED ENGINEERING

 1 
Aerodynamic Study of Chord Length Effect in Low Speed Wind Turbine Using 6 DoF CFD Method Sabina Aisyah Susanto; Hangga Wicaksono; Hilmi Iman Firmansyah; Mukhammad Fakhruddin
JOURNAL OF SCIENCE AND APPLIED ENGINEERING Vol 6, No 2 (2023): JSAE
Publisher : Widyagama University of Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31328/jsae.v6i2.4820

Abstract

The dependencies on fossil energy as a basic energy source has many negative impacts, therefore alternative energy is needed to overcome the problem, one of which is the alternative green energy wind turbines. However, wind turbines in Indonesia are difficult to implement because the wind speed in Indonesia is low, which is around 4-8 m/s, therefore it is necessary to do research to improve the ability of wind turbines applied in Indonesia. The analysis method using the 6 DoF CFD method and the experimental carried out using the wind tunnel. The blade used in this study is a custom combination airfoil with the chord lengths of 0.1 m, 0.15 m and 0.2 m. The results shows that, at wind speed of 8 m/s the blade with a chord length of 0.2 m has the greatest pressure of 47 Pa and rotational speed per minute of 76.1 rpm, this variation can be applied to low rpm generators. Whereas blades with a chord length of 0.1 m and a twist angle of 15o have a pressure of 47 Pa, and rotational speed of 97.24 rpm per minute, this variation can be applied to high rpm generators.
Numerical Study of Chord Length and Twist angle Effect towards NACA 4415-FX60 Airfoil Combination in Horizontal Wind Turbines Application Hangga Wicaksono; Kris Witono; Akhmad Faizin; Budi Eko Prasetyo
JOURNAL OF SCIENCE AND APPLIED ENGINEERING Vol 7, No 1 (2024): JSAE
Publisher : Widyagama University of Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31328/jsae.v7i1.5868

Abstract

The selection of the appropriate blade shape requires optimization in order to be applied to the relatively low wind conditions in Indonesia. This study proposed a new approach of wind turbine blades design by utilizing the combination of NACA 4415 and FX 60. The effect of twist angle and the chord length carried out in this study to better understanding the blades characteristics. The 6 DoF analysis can be used to determines the theoretical mechanical power of the wind turbine blades. The blade twist geometry analyzed in this study is 15, 20, and 25 degree. From the simulation results, the highest mechanical power was obtained on blades with a twist angle of 5 degrees and a chord length of 0.15m with an average value of 39.95 W. The simulation results show that, at a speed of 8 m/s the blade with a chord length of 0.2 m and a twist angle of 5o has the greatest torque of 5.16579 Nm, with a rotational speed of 76.0668 rpm per minute, this combination can be applied to a low rpm generator A twist angle can improve torque distribution along the blade, but a twist angle that is too sharp can reduce lift and increase drag. It was found that a wider chord length tends to produce lower rotation in the wind turbine. This is caused by the increased surface area on the turbine blade with a longer chord length, which results in an increase in the torque required to rotate the blade at a given speed.
Co-Authors Agus Setiawan Ahmad Hailala Nur Aziz Aji Tisa Akhlis Rizza, Muhammad Akhmad Faizin Andhika Erlangga Setiawan Putra Andita N.F. Ganda Anggit Murdani Bagus Wahyudi Bambang Irawan BAYU PRANOTO Bayu Pranoto Bima Cahya Maula Dana Budi Eko Prasetyo Chandra Gunawan Danang Febriyanto Elka Faizal Gumono Hilmi Iman Firmansyah Imam Mashudi Kris Witono Maskuri Maskuri Muhammad Fakhruddin Mukhammad Fakhruddin Muzaki, Mochamad Nila Alia Nugroho, Pipit Wahyu Nurlia Pramita Sari Pradana, Yanuar Rohmat Aji Sabina Aisyah Susanto Sudarmadji Sugeng Hadi Susilo Sulistyono Sulistyono Syamsul Syamsul Hadi Syamsul Hadi Sza Sya Monica Valeria Zahratul Jannah