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Kaji Eksperimen Terhadap Penggunaan Bahan Bakar Emulsi Pada Burner Sarjono Sarjono
Jurnal Teknik Mesin Vol 14 No 1 (2021): Jurnal Teknik Mesin
Publisher : Politeknik Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30630/jtm.14.1.531

Abstract

The purpose of this study was to observe the combustion of diesel fuel combined with the percentage volume of water and emulsifier, namely alkyl benzene sulfonic acid (ABS). The emulsion fuel composition used in this experimental study is a mixture of diesel fuel, emulsion and water. The composition of the emulsion fuel is designed according to the percentage of water volume and the emulsifier in diesel fuel with a variation of the percentage of 10%, 20%, and 30%. The parameters observed were combustion flame temperature, combustor annulus wall temperature, hot gas temperature, air fuel ratio (AFR), heat loss, and flame shape from differences in the composition of the percentage volume of emulsion fuel. In this test using Combustion Laboratory Unit C 491. The results showed that the heat absorbed due to cooling (Qa) in the AFR stoichiometry of diesel fuel (diesel) 26.334 kW was smaller than emulsion fuel (30.096 kW), so the use of emulsion fuel on the Burner Combustion Laboratory Unit C 49 is very suitable. The shape of the flame produced by the combustion of emulsion fuel is short, turbulent, and covered in water vapor.
Pengaruh Variasi Diameter dan Jarak Nosel Terhadap Daya dan Efisiensi Turbin Pelton Sarjono Sarjono
Jurnal Teknologi Vol 14 No 2 (2021): Jurnal Teknologi
Publisher : Jurnal Teknologi, Fakultas Teknologi Industri, Institut Sains & Teknologi AKPRIND Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34151/jurtek.v14i2.3716

Abstract

The purpose of this study was to determine the effect of variations in diameter and number of nozzles on the power and efficiency of the Pelton turbine. The research method is experimentally using a miniature Pelton turbine installation with 3 nozzles. Variations in nozzle diameters of 4 mm, 5 mm, and 6 mm with a nozzle distance of 80 mm, 90 mm, and 100 mm and variations in rotation from 300 to 700 rpm. The results showed that the nozzle diameter of 6 mm and the distance of the nozzle to the blade of 80 mm produced maximum turbine power and efficiency, namely 30.00 watts and 34.79%, respectively.      
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