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All Journal Mesin Industrial Research Workshop and National Seminar Inovtek Seri Mesin
Soetanto, Maria F
Politeknik Negeri Bandung
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KAJI EKSPERIMEN OPTIMASI KOEFISIEN DAYA SKEA JENIS POROS DATAR DENGAN SUDU GABUNGAN SILINDER BERPUTAR DAN ROTOR SAVONIUS Soetanto, Maria F; Suwono, Aryadi; Darmanto, Prihadi S; Pasek, Ari D
Mesin Vol 19, No 2 (2004)
Publisher : Mesin

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (591.989 KB)

Abstract

Horizontal Axis Wind Energy Conversion System (HAWECS) is more efficient than other Wind Energy Conversion Systems at the same condition [2,3]. Rotating cylindrical blade is taken as the substitute alternative to the airfoil blade considering that presence of lift force and its simple manufacturing production. The lift force generated by the rotating cylinder is known as the Magnus Effect [1,7,9]. The savonius rotor in this research is employed to propel the cylinder. This research conducted an experiment to optimize the energy conversion of a HAWECS which its blades consist of the combination of cylinder and savonius rotor. Two kind of blades were used in this experiment, i.e.blade with L/D (ratio of the length and diameter of cylinder) equals to 3 and 4. Three variations of wind velocities were used, i.e. 8.5 m/s, 9.7 m/s, and 10.2 m/s. Experimental results present that the blade with L/D ratio = 4 give more efficient than the L/D = 3, and the increase of power was reached if the wind velocity increases.
KAJI EKSPERIMEN OPTIMASI KOEFISIEN DAYA SKEA JENIS POROS DATAR DENGAN SUDU GABUNGAN SILINDER BERPUTAR DAN ROTOR SAVONIUS Maria F Soetanto; Aryadi Suwono; Prihadi S Darmanto; Ari D Pasek
Mesin Vol. 19 No. 2 (2004)
Publisher : Mesin

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Horizontal Axis Wind Energy Conversion System (HAWECS) is more efficient than other Wind Energy Conversion Systems at the same condition [2,3]. Rotating cylindrical blade is taken as the substitute alternative to the airfoil blade considering that presence of lift force and its simple manufacturing production. The lift force generated by the rotating cylinder is known as the Magnus Effect [1,7,9]. The savonius rotor in this research is employed to propel the cylinder. This research conducted an experiment to optimize the energy conversion of a HAWECS which its blades consist of the combination of cylinder and savonius rotor. Two kind of blades were used in this experiment, i.e.blade with L/D (ratio of the length and diameter of cylinder) equals to 3 and 4. Three variations of wind velocities were used, i.e. 8.5 m/s, 9.7 m/s, and 10.2 m/s. Experimental results present that the blade with L/D ratio = 4 give more efficient than the L/D = 3, and the increase of power was reached if the wind velocity increases.
Analisis Karakteristik Aerodinamis Airfoil Simetris Dan Airfoil Camber Pada Turbin Angin Poros Vertikal Jenis Helix Saepulloh Aditya; Maria F. Soetanto
INOVTEK - SERI MESIN Vol 2, No 1 (2021)
Publisher : Politeknik Negeri Bengkalis

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (330.464 KB) | DOI: 10.35314/ism.v2i1.2326

Abstract

This journal discusses the airfoil simulation on a helix type vertical turbine blade. The airfoils used are NACA 0018 and 4418. The simulation uses a Computational Fluid dynamics (CFD) application. In this simulation, TSR values are entered starting from 3.5, 3.8, 4.1, 4.4, 4.7, 5.0, 5.3, 5.6, 5.9, 6.2, 6.5. The results of the simulation show that the highest inhibition coefficient value is at TSR = 5.3 with a  value = 1.631 and for NACA 0018, and for NACA 4418, the highest inhibition coefficient value is at TSR 6.5 with a  value = 1.582. In the calculation results, the highest drag force (Fd) is at TSR 3.5 of 0.678 Newton at NACA 0018 with a turbine power of 10.78 Watt with a value of  = 0.35, turbine efficiency 35%.Keywords : Airfoil, TSR, NACA, TASV, CFD
Analisis Karakteristik Aerodinamis Turbin Angin Poros Horizontal Tiga Bilah Hizkia Lukas Jeliasta Ginting; Maria F. Soetanto
INOVTEK - SERI MESIN Vol 2, No 1 (2021)
Publisher : Politeknik Negeri Bengkalis

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (306.801 KB) | DOI: 10.35314/ism.v2i1.2328

Abstract

This thesis is three bladed horizontal axis wind turbine simulation using airfoil LS-0417 and cylindrical profile combination. This horizontal axis wind turbine model will be designed by using Gambit software and then will be simulated by using Fluent software. In this thesis, hopefully this simulation can get the aerodynamic characteristic and flow pattern around the wind turbine on several variations of tip speed ratio.Keyword: Horizontal Axis Wind Turbine, Cylindrical and Airfoil LS-0417 Profile Blade Combination, Aerodynamic Characteristic
Pengujian Spesimen Material Komposit Serat Pohon Lontar Dengan Uji Tarik Dalam Penerapan Bilah Turbin Angin Surya Ferdiansyah; Maria Fransisca Soetanto
Prosiding Industrial Research Workshop and National Seminar Vol. 15 No. 1 (2024): Prosiding 15th Industrial Research Workshop and National Seminar (IRWNS)
Publisher : Politeknik Negeri Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35313/irwns.v15i1.6254

Abstract

Pohon lontar (Borassus Flabillifer) merupakan tumbuhan yang banyak dijumpai di Nusa Tenggara Timur (NTT), hampir semua bagian dalam pohon lontar dapat dimanfaatkan. Salah satunya adalah pelepah pohon lontar yang dimanfaatkan untuk serat material komposit. Dalam penelitian ini, orientasi pelepah yang digunakan pada material komposit yaitu stik pelepah pohon lontar dengan fiberglass dan stik pelepah pohon lontar tanpa fiberglass dengan masing masing terdapat enam spesimen. Untuk mengetahui karakteristik material komposit digunakanlah metode uji tarik. Metode uji tarik menempatkan spesimen pada mesin uji tarik dengan dua cengkraman pada bagian atas dan bawah spesimen, lalu ditarik dengan gaya. Standar spesimen mengacu pada American Standard Testing Material (ASTM). Untuk pengujian uji tarik menggunakan standar ASTM D3039. Pada penelitian ini didapatkan hasil material komposit stik pelepah pohon lontar dengan fiberglass memiliki nilai modulus elastisitas yang tinggi dibanding tanpa fiberglass. Material stik pelepah pohon lontar dengan fiberglass memiliki nilai rata-rata modulus elastisitas sebesar 2.64 GPa, sedangkan tanpa fiberglass memiliki nilai rata-rata sebesar 1.94 GPa. Sehingga menyimpulkan bahwa material yang akan digunakan dalam penerapan bilah turbin angin yaitu material komposit stik pohon lontar dengan fiberglass.
Pengembangan Turbin Angin Jenis Savonius dengan Bilah Kombinasi Profil Lurus dan Sudut Potong Bilah Hilmiy Fadilah; Maria Fransisca Soetanto
Prosiding Industrial Research Workshop and National Seminar Vol. 15 No. 1 (2024): Prosiding 15th Industrial Research Workshop and National Seminar (IRWNS)
Publisher : Politeknik Negeri Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35313/irwns.v15i1.6315

Abstract

Pemanasan global merupakan masalah serius di seluruh dunia, termasuk Indonesia yang sedang mengalami perubahan iklim signifikan. Untuk mengatasi hal ini, pemerintah Indonesia telah mengambil langkah-langkah strategis dengan meningkatkan penggunaan EBT, salah satunya adalah energi angin melalui turbin angin. Meskipun kecepatan angin rata-rata di Indonesia rendah, sekitar 1 m/s hingga 4.6 m/s, turbin angin Savonius cocok untuk digunakan. Penelitian ini bertujuan untuk pengembangan turbin angin tipe Savonius dengan bilah kombinasi profil lurus dan sudut potong bilah. Proses nya meliputi studi literatur, penentuan spesifikasi turbin, pembuatan gambar desain, pembuatan komponen, perakitan, pengujian, dan analisis data. Komponen model turbin angin Savonius berhasil dirangkai sesuai spesifikasi. Pada pengujian menghasilkan RPM maksimum turbin sebesar 1580 pada kecepatan angin 3.56 m/s dan daya maksimum yang dihasilkan oleh turbin pada pengujian adalah 3.01 Watt. Desain ini diharapkan dapat meningkatkan penggunaan energi terbarukan, mengurangi ketergantungan pada energi fosil, dan menciptakan solusi berkelanjutan untuk memerangi perubahan iklim global.
Co-Authors Ari D Pasek Aryadi Suwono Aryadi Suwono Darmanto, Prihadi S Hilmiy Fadilah Hizkia Lukas Jeliasta Ginting Pasek, Ari D Prihadi S Darmanto Saepulloh Aditya Surya Ferdiansyah