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Raden Haryo Saputra
Universitas Palangka Raya
Agriculture, Biological Sciences & Forestry Humanities Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Health Professions Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Materials Science & Nanotechnology Mechanical Engineering Public Health Social Sciences Transportation

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Journal : REKA RACANA

 1 
Uji Eksperimental Pengaruh Dimensi Lebar Rectifier Guide Vanes terhadap Kinerja Turbin Hidrokinetik Savonius Nur Ichsan; Dwi Anung Nindito; Raden Haryo Saputra
RekaRacana: Jurnal Teknil Sipil Vol 7, No 2: Juli 2021
Publisher : Institut Teknologi Nasional, Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26760/rekaracana.v7i2.96

Abstract

ABSTRAKKarakteristik blade sisi cekung turbin hidrokinetik Savonius yang memiliki nilai torsi negatif mengakibatkan kelemahan berupa efisiensi turbin yang relatif rendah, sehingga diperlukan sistem pengarah aliran berupa rectifier guide vane. Studi ini bertujuan membandingkan performa yang dihasilkan turbin Savonius tanpa guide vanes dan turbin Savonius menggunakan guide vanes dengan memvariasikan lebar rectifier L=Rt/4, L=Rt/2 dan L=3Rt/4, dimana Rt adalah jari-jari turbin. Metode pengujian dilakukan secara eksperimental di saluran prismatik dengan kecepatan aliran 0,111–0,1415 m/s. Hasil studi menunjukkan bahwa penambahan guide vanes dengan variasi lebar rectifier L=Rt/4, L=Rt/2 dan L=3Rt/4 masing-masing menghasilkan peningkatan torsi sebesar 29,9%; 33,3%; dan 36,3%. Turbin Savonius menggunakan guide vanes dengan lebar rectifier L=3Rt/4 menghasilkan coefficient of torque (Ct) dan coefficient of power (Cp) yang lebih tinggi dibandingkan variasi lebar rectifier (L) lainnya, sehingga kinerja turbin meningkat.Kata kunci: coefficient of power, hidrokinetik, savonius, rectifier guide vanes ABSTRACTThe characteristic of the concave side blade of the Savonius hydrokinetic turbine which has a negative torque value, it leads to the weakness in the form of a relatively low turbine efficiency, thus a flow steering system is needed in the form of a rectifier guide vane. The aim of this study was to compare the performance of the Savonius turbine without guide vanes and the Savonius turbine using guide vanes by varying the width of the rectifier L=Rt/4, L=Rt/2 dan L=3Rt/4, where Rt is the turbine radius. The test method was undertaken experimentally in a prismatic channel with a flow velocity of 0.111–0.1415 m/s. The results of the study pointed out that the addition of guide vanes with variations in the width of the rectifier was L=Rt/4, L=Rt/2 dan L=3Rt/4 and each of them had an increase in torque of 29.9%, 33.3% and 36.3%. The Savonius turbine used guide vanes with a rectifier width of L=3Rt/4 and it resulted a higher coefficient of torque (Ct) and coefficient of power (Cp) compared to other variations of rectifier width (L), thus, the performance of turbine increased.Keywords: coefficient of power, hydrokinetic, savonius, rectifier guide vanes
Uji Eksperimental Pengembangan Turbin Hidrokinetik Savonius Berdasarkan Bentuk Profil Distribusi Kecepatan Aliran Raditya Yudistira; Dwi Anung Nindito; Raden Haryo Saputra
RekaRacana: Jurnal Teknil Sipil Vol 7, No 1: Maret 2021
Publisher : Institut Teknologi Nasional, Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26760/rekaracana.v7i1.215

Abstract

ABSTRAKTurbin Tornado Savonius terinspirasi dari bentuk pola distribusi kecepatan yang kecil pada bagian bawah blade turbin kemudian membesar pada bagian atas blade turbin, yang bertujuan memperbesar area bidang tangkap aliran pada bagian atas turbin. Uji eksperimental dilakukan pada saluran prismatik dan membandingkan kinerja antara turbin hidrokinetik Savonius dan turbin Tornado Savonius. Berdasarkan hasil uji eksperimen, turbin Tornado Savonius memiliki performa optimum pada saat kedalaman air di saluran sama dengan tinggi turbin yang diuji coba. Bentuk blade turbin hidrokinetik Tornado Savonius mampu memperbesar area bidang tangkap aliran yang mengenai turbin, sesuai dengan bentuk distribusi kecepatan aliran untuk kondisi kedalaman yang sama dengan tinggi turbin.Kata kunci: savonius, hidrokinetik, tornado savonius, distribusi kecepatan aliran. ABSTRACKTornado Savonius turbine inspired by velocity distribution pattern shape which small at the bottom and getting bigger the upper part of turbine blade. Such shape aims to enlarge the flow catchment area at the turbine’s upper part. Experimental test performed in prismatic channel by comparing the performance of Savonius hydrokinetic turbine and Tornado Savonius turbine. Based on the result of experimental test, Tornado Savonius turbine has optimum performance at the time of water depth in channel equal to height of the examined turbine. Blade shape of Tornado Savonius hydrokinetic turbine is able to enlarge the flow catchment area in accordance with flow speed distribution shape at the same depth as turbine height.Keywords: savonius, hydrokinetic, tornado savonius, flow velocity distribution.
Co-Authors Adiyasty s, Nope Adri Pratama Allan Restu Jaya Allan Restu Jaya Anita Limeria Barnabas, Victor Ben Riva Haezer Desi Riani Desriantomy Desriantomy Desy Rianti Desy Rianti Devia Dwi Anung Nindito Dwi Anung Nindito Dwi Anung Nindito Erwin Nainggolan Haiki Mart Yupi Haiki Mart Yupi Hendro Suyanto Hendro Suyanto I Made Kamiana I Made Kamiana Ina Elvina Jaya, Allan Restu Jaya, Allan Retu Kamiana, I Made Laurensia, Cindy Melly Deslina Murniati Nomeritae Nomeritae Nomeritae Nomeritae Nomeritae, Nomeritae Nopre Ayu Keke Wulandari Nur Ichsan Octauria, Emilia Putri Raditya Yudistira Robby Salonten, Salonten Sari, Ita Abyta Silitonga, Sutan Parasian Sonianto, Wawan Supiyan, Supiyan Suyanto, Hendro Virdy Pyrargyr Yupi, Haiki Mart Yusrianti, Destia Fitri Yusup Arianto