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DAFTAR ISIHALAMAN JUDUL................................................................................................ iHALAMAN TUGAS SARJANA ............................................................................ iiHALAMAN PERNYATAAN ORISINALITAS .................................................... iiiHALAMAN PENGESAHAN ................................................................................. ivHALAMAN PERSETUJUAN PUBLIKASI ......................................................... vABSTRAK ............................................................................................................... viABSTRACT.............................................................................................................. viiMOTTO .................................................................................................................... viiiPERSEMBAHAN .................................................................................................... ixKATA PENGANTAR .............................................................................................. xDAFTAR ISI ............................................................................................................ xiDAFTAR GAMBAR .............................................................................................. xivDAFTAR TABEL .................................................................................................... xviNOMENKLATUR ................................................................................................... xviiBAB I PENDAHULUAN1.1. Latar Belakang Masalah.......................................................................... 11.2. Tujuan Penelitian .................................................................................... 21.3. Batasan Masalah .................................................................................... 21.4. Metode Penelitian .................................................................................. 31.5. Sistematika Penulisan ............................................................................ 4BAB II LANDASAN TEORI2.1. Definisi Energi Angin ............................................................................. 52.1.1. Asal Energi Angin ........................................................................ 62.2. Klasifikasi Aliran Fluida ........................................................................ 72.2.1. Aliran Viscous dan Inviscid .......................................................... 72.2.2. Aliran Compressible dan Aliran Incompressible .......................... 82.2.3. Aliran Laminar dan Turbulen ....................................................... 92.2.4. Aliran Internal dan Aliran Eksternal ............................................. 102.3. Persamaan Bernoulli ............................................................................... 112.4. Gerak Rotasi Benda Tegar ...................................................................... 122.5. Kecepatan Sudut ..................................................................................... 122.6. Daya Mekanik ........................................................................................ 122.7. Klasifikasi Turbin Angin ........................................................................ 132.7.1. Turbin Angin Sumbu Horizontal (TASH) .................................... 142.7.2. Turbin Angin Sumbu Vertikal (TASV) ......................................... 162.7.2.1. Turbin Angin Darrieus ..................................................... 162.7.2.2. Turbin Angin Savonius .................................................... 172.8. Variasi Geometri Rotor Savonius ........................................................... 192.8.1. Rotor Savonius dengan Dua Bucket ............................................. 202.8.2. Rotor Savonius dengan Dua Bucket ............................................. 222.8.3. Rotor Savonius dengan Rotor Helix ............................................. 222.9. Performasi Rotor Savonius ..................................................................... 232.9.1. Rasio Overlap (overlap ratio) ...................................................... 232.9.2. Aspect Ratio .................................................................................. 242.9.3. Jumlah Bucket .............................................................................. 252.9.4. Tingkatan Bucket .......................................................................... 262.10. Keunggulan dan Kekurangan Rotor Savonius ..................................... 27
BAB III METODOLOGI PENELITIAN3.1. Diagram Alir Penelitian........................................................................... 293.2. Peralatan Pengujian ................................................................................ 313.2.1. Turbin Savonius ............................................................................ 313.2.2. Dinamometer ................................................................................ 333.2.3. Anemometer ................................................................................. 333.2.4. Tachometer ................................................................................... 343.2.5. Stopwatch ..................................................................................... 343.4. Prosedur Pengujian ................................................................................. 353.5. Metodologi Pengolahan Data ................................................................. 35BAB IV DATA DAN ANALISA4.1. Data Pengujian ....................................................................................... 374.2. Kecepatan Sudut ..................................................................................... 374.3. Torsi ........................................................................................................ 394.4. Power Turbin .......................................................................................... 404.5. Power Fluida ........................................................................................... 414.6. Efisiensi Turbin ...................................................................................... 424.7. Pembahasan ............................................................................................ 434.7.1. Pengukuran Putaran Turbin .......................................................... 444.7.2. Pengukuran Pembebanan ............................................................. 444.7.3. Pengukuran Kecepatan Sudut ....................................................... 444.7.4. Pengukuran Torsi .......................................................................... 454.7.5. Pengukuran Power Turbin ............................................................ 464.7.6. Pengukuran Power Fluida ............................................................ 464.7.7. Perhitungan Efisiensi Turbin ........................................................ 48BAB V PENUTUP5.1. Kesimpulan ............................................................................................. 495.2. Saran ....................................................................................................... 50DAFTAR PUSTAKA ............................................................................................... 51