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ITS » Master Theses » Rekayasa Konversi Energi - S2 Posted by dee@its.ac.id at 12/01/2012 09:35:01 • 76 Views
STUDI EXPERIMENTAL DAN NUMERIK PENGARUH RASIO PANJANG DAN DIAMETER TURBIN VENTILATOR TERHADAP UNJUK KERJA TURBIN VENTILATOR
EXPERIMENTAL AND NUMERICAL STUDY OF THE EFFECT OF RATIO OF LENGTH AND DIAMETER ON TURBINE VENTILATOR PERFORMANCE
Created by :
FATAH, MISBAKHUL ( 2109202001 )
| Subject: | Turbin | | Alt. Subject : | Turbines | | Keyword: | Turbine ventilator Rasio panjang dan diameter cerobong Pressure drop Flow rate Power Torque Efficiency. |
[ Description ]
Kondisi geografis Indonesia yang spesifik memungkinkan terjadinya pola angin yang bermacam-macam yang diantaranya mempunyai prospek pengembangan energi angin. Indonesia memiliki karakteristik kecepatan angin rata-rata (Vmean) yang relatif lebih rendah dibandingkan dengan negara-negara pengguna turbin angin seperti Finlandia, dan negara-negara lainya. Daerah-daerah di Indonesia umumnya memiliki Vmean antara 3 - 6 m/s, berbeda dengan Negara negara Eropa yang berkisar di antara 9-12 m/s. Sehingga dalam penelitian ini memanfaatkan energy yang relative lebih kecil ini untuk menjadi pembangkit listrik skala kecil, dimana memanfaatkan turbin ventilator sebagai penggerak dari generator listrik. Turbin Ventilator menggunakan energi angin sebagai pengganti kipas ventilasi bertenaga listrik. Energi angin yang berhembus pada sudu turbin ventilator akan menghasilkan drag force dan menyebabkan turbin Ventilator berputar. Rotasi ini menghasilkan tekanan negatif di dalam turbin ventilator sehingga udara terhisap dari dasar saluran. Dalam penelitian ini menggunakan turbin ventilator yang dijual bebas dengan ukuran cerobong 18 inch dan memvariasikan antara rasio L/D. (tinggi cerobong dengan diameter cerobong) serta variasi kecepatan hembusan ke turbin ventilator 4 s/d 9 m/s. Metode yang dilakukan dalam penelitian ini adalah experimental dan numerik, yang mana menggunakan simulasi CFD fluent 6.3 untuk memvalidasi dengan pengamatan eksperimental aliran di dalam pengujian ini. Hasil yang di dapat, semakin pendek jarak L/D maka debit aliran yang di hasilkan semakin besar, dan daya yang dihasilkan akan semakin besar.
Alt. Description
Geographically Indonesia has the wind speed pattern that could prosper for wind energy development. It has average wind speed relatively low compared to countries such as Finland with turbine ventilator users and other countries. Regions in Indonesia generally have Vmean between 3-6 m/s, in contrast to European Countries ranging between 9-12 m/s. Hence, in this study utilizing a relatively smaller wind energy, a turbine ventilator was used as a small-scale power plants, which utilize wind to driver of an electric generator. Turbine Ventilator using wind energy instead of electric-powered ventilation fan. Wind energy strike the turbine ventilator blade, a drag force is produced which causes turbine ventilator to rotate. This rotation produces a negative pressure inside the turbine ventilator duct so that the air sucked from the bottom of the channel. In this study using a turbine ventilator-counter with 18-inch chimney sizes and varying the ratio L/D. (High chimney with a chimney diameter) as well as variations in speed to the turbine ventilator between 4 9 m/s. The method performed in this studywas experimental and numerical, which used CFD fluent simulation to validate with experimental results. Results are in the can, the shorter the distance L/D then the flow rates that produced the greater, and the power generated will be even greater.
| Contributor | : |
- Prof. Dr. Ir. Triyugo Yuwono, DEA.
- Dr. Wawan Aries Widodo, ST., MT.
| | Date Create | : | 05/08/2011 | | Type | : | Text | | Format | : | pdf | | Language | : | Indonesian | | Identifier | : | ITS-Master-3100011045205 | | Collection ID | : | 3100011045205 | | Call Number | : | RTM 621.406 Fat s |
Source : Master Thesis of Mechanical Engineering, RTM 621.406 Fat s, 2011
Coverage : ITS Community
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1. ITS-Master-17200-2109202001-Chapter2.pdf - 942 KB  2. ITS-Master-17200-2109202001-Chapter3.pdf - 482 KB  3. ITS-Master-17200-2109202001-Chapter4.pdf - 1303 KB  4. ITS-Master-17200-2109202001-Enclosure.pdf - 687 KB  5. ITS-Master-17200-2109202001-Paper.pdf - 304 KB 
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