ANALISIS PENGARUH OVERLAP RATIO PADA TURBIN ANGIN SUMBU VERTIKAL SAVONIUS MENGGUNAKAN PERANGKAT LUNAK FLUENT 6.3.26

HALWAN, FARICH FIRMANSYAH (2014) ANALISIS PENGARUH OVERLAP RATIO PADA TURBIN ANGIN SUMBU VERTIKAL SAVONIUS MENGGUNAKAN PERANGKAT LUNAK FLUENT 6.3.26. Diploma thesis, Institut Teknologi Sepuluh Nopember.

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Abstract

Pada saat ini dunia sedang dilanda krisis energi,
termasuk Indonesia. Pemanfaatan energi alternatif merupakan
salah satu cara untuk mengatasi permasalahan tersebut. Salah
satu energi alternatif yang memiliki potensi besar untuk
menggantikan bahan bakar minyak adalah angin.Tugas akhir ini
dilakukan penelitian turbin angin sumbu vertical savonius.
Tujuan tugas akhir ini untuk mengetahui karakteristik
aliran dan gaya yang dapat dihasilkan oleh kincir angin savonius
dengan memvariasikan overlap ratio 0,1; 0,15; 0,2; 0,25.
Pengujian dilakukan melalui pemodelan numerik dengan
menggunakan software fluent 6.3.26 secara dua dimensi.
Karakteristik aliran dinyatakan dalam distribusi kecepatan dan
grafik disribusi tekanan disekitar sudu untuk mengetahui
pengaruh overlap ratio terhadap optimasi savonius.
Dari hasil pengujian terlihat overlap ratio
mempengaruhi distribusi kecepatan dan distribusi tekanan pada
daerah sekitar sudu savonius. Pengaruh pada hasil simulasiter
sebut menyatakan bahwa semakin besar overlap ratio
besar.Savonius dengan Overlap ratio 0,2 memiliki performa
yang paling baik, yakni dengan Daya maksimal 65,35 Watt dan
Torsi awal1,17 Nm.
=====================================================================================================
Nowdays, the crisis of energy happens around the world.
It also happens in Indonesia. Utilization of alternative energy is
the one way to overcome it. One of the alternative energy has
great potential energy to replace the fossil fuels is wind energy.
In this final project research of savonius vertical axis wind
turbine.
The purpose of this final project to determine the flow
characteristics and the force that can be produced by savonius
with varying the overlap ratio 0.1; 0.15; 0.2; 0.25. The test
conducted through numerical modelling by using software fluent
6.3.26 in two dimensions. The flow characteristic expressed in
velocity distribution and pressure distribution around the blade in
order to know the influence of overlap ratio to savonius
performance.
The results show that overlap ratio effects the velocity
distribution and pressure distribution in around the savonius
blade. The influences of simulation result are the greater of
overlap ratio than the velocity and pressure distribution from the
top blade to bottom blade getting bigger. Savonius with overlap
ratio 0.2 has a great performances are maximum power 65.35
Watt and initial torsion 1.17 Nm.

Item Type:	Thesis (Diploma)
Additional Information:	RSM 621.406 Hal a
Uncontrolled Keywords:	Turbin angin sumbu vertical, Savonius, Overlap ratio, Pemodelan numerik 2D
Subjects:	T Technology > TJ Mechanical engineering and machinery T Technology > TL Motor vehicles. Aeronautics. Astronautics
Divisions:	Faculty of Industrial Technology > Mechanical Engineering > 21401-(D3) Diploma 3
Depositing User:	Mr. Tondo Indra Nyata
Date Deposited:	23 Feb 2017 02:12
Last Modified:	18 Dec 2017 01:33
URI:	http://repository.its.ac.id/id/eprint/3976

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