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Haryono Edi
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Engineering Mechanical Engineering

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PERENCANAAN PEMELIHARAAN DAN OPTIMASI BIAYA PERAWATAN PADA SISTEM UTILITY DENGAN METODE PREVENTIVE MAINTENANCE Zainal Arifin Muhammad; Haryono Edi; Arumsari Nurvita
Proceedings Conference on Marine Engineering and its Application Vol 1 No 1 (2018): Conference on Marine Engineering and its Application
Publisher : Politeknik Perkapalan Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33863/cmea.v1i1.710

Abstract

A company oil refinery based on condensate or petroleum using corrective maintenance type, one of them is in utility system. Corrective maintenance is less suitable with the course of production in a company it is continuous because the company can lose due to production stopped. Therefore, reliability analysis is performed using preventive maintenance method the scheduling check or inspection is used to prevent machinery or equipment from being damaged. Thus, the performance of the machine can run smoothly so that the production process is not disrupted and more efficient. Cost operational from 2011-2017 will be identified failure with FTA and FMEA. So that will get the value of reliability. Then performed the scheduling in accordance with the resulting MTTF value. Then the cost will be calculated to produce more efficient maintenance cost and the result more efficient cost is 30%.
PENGARUH TEKANAN INJEKTOR DAN TEMPERATUR BAHAN BAKAR MINYAK JELANTAH TERHADAP UNJUK KERJA MOTOR DIESEL 4 LANGKAH 1 SILINDER DENGAN BEBAN 2000 WATT Zaenal Fanani Kresna; Sidi Pranowo; Haryono Edi
Proceedings Conference on Marine Engineering and its Application Vol 1 No 1 (2018): Conference on Marine Engineering and its Application
Publisher : Politeknik Perkapalan Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33863/cmea.v1i1.715

Abstract

The use of petroleum fuel is currently higher. Although there have been many studies of biodiesel, but in the production process requires lot of money and complicated production process. Therefore, this is used waste cooking oil as fuel. This study is conducted to get optimum injection pressure and fuel temperature when use waste cooking oil as fuel. The aims is to know how much effect of injector pressure and fuel temperature of waste cooking oil to the diesel engine performance. This research uses experimental method. There are 4 varations of injector pressure 130 bar, 140 bar, 150 bar, 160 bar. Variations of fuel temperature are 80 °C, 90 °C, 100 °C, 110 °C. The variation of load is 2000 watt at 1200 rpm, 1300 rpm , 1400 rpm, 1500 rpm. The result is the optimum injector pressure on variation 140 bar and fuel temperature of waste cooking oil is 90 °C. Trendline of SFC value when waste cooking oil used as fuel was lower than when used pertamina dex as fuel at various loads. Injector pressure and fuel temperature of waste cooking oil have contribution of 11,063% and 7,444% to performance of diesel engine.
Co-Authors Arumsari Nurvita Sidi Pranowo Zaenal Fanani Kresna Zainal Arifin Muhammad