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All Journal Scientific Journal of Mechanical Engineering Kinematika Jurnal Polimesin
Firnanda Sumanjaya Putra
Universitas Maarif Hasyim Latif
Automotive Engineering Control & Systems Engineering Energy Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering

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Flame Characteristic Of Premix Combustion Of Jatropha Curcas Oil And Cotton Seed The Addition Of Various Magnetic Field Directions Mochammad Khoirul Rosidin; Dony Perdana; Khoirul Anam As Syukri; Firnanda Sumanjaya Putra; Muhamad Hanifudin
Jurnal Polimesin Vol 22, No 1 (2024): February
Publisher : Politeknik Negeri Lhokseumawe

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30811/jpl.v22i1.4538

Abstract

This study investigates an effects of various magnetic fieldsdirection on flames characteristic of premix combustions. Research is important as a reserve a fossil fuel using environmental friendly vegetable oil.Jatrophacurcas oil is mixed with cotton seeds (50% blend) as fuel.Experimentare carried out on cylindrical type burner. Vegetable oils were loaded on boiler, then heated on LPG stoves, while air was obtained from the compressor. Grade N52 nickel neodymium magnets atintensitymagnetic fieldsof 1.1 T were used in this study. The combustion characteristics are identified from the flame image and the temperature signal at the burner tip. The flame image is recorded using a video camera at highspeed, 120 frames per second. This research found that the magnetic field of an attractive produces a brighter, wider, and more stable flame compared to a repulsive magnet and without. The magnetic field changes the orientation of the hydrocarbon from the para state to the ortho state, so that it tends to break down the fuel molecules resulting in more complete and faster combustion causing the flame temperature to increase, but the flame height decreases.
PERILAKU API DAN EMISI PADA PEMBAKARAN DROPLET BIODIESEL DICAMPUR DIETHYL ETHER YANG DIPENGARUHI MEDAN MAGNET Dony Perdana; Firnanda Sumanjaya Putra
Scientific Journal of Mechanical Engineering Kinematika Vol 10 No 1 (2025): SJME Kinematika Juni 2025
Publisher : Mechanical Engineering Department, Faculty of Engineering, Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/sjmekinematika.v10i1.329

Abstract

This research aims to investigate flame behavior and emissions droplet combustion of blend waste cooking oil biodiesel- diethyl ether which is influenced by a magnetic field. The need for energy continues to increase, while fossil fuels are becoming increasingly depleted and non-renewable. Therefore development of renewable energy sources are a necessity, such as alternative fuels made from natural resources, namely waste cooking oil biodiesel. This study uses a direct experimental method of burning waste cooking oil biodiesel droplets with variations in mixture concentrations of 0%, 10%, 15%, and 20% diethyl ether. Two magnetic bars with an intensity of 10000 G are placed between a 0.12 mm diameter with K type thermocouple as a repulsive magnetic field in the south-south direction.. The droplet diameter of blends of waste cooking oil biodiesel and diethyl ether is around 1.2 mm. Results of the study found that the addition of variations of diethyl ether mixtures with concentrations of 0%, 10%, 15%, 20% and a repulsive magnetic field (S-S) had a significant effect on flame evolution, flame height and exhaust gas emissions. The variation of diethyl ether (20%) blends produces of shortest flame time of 592 milliseconds, the lowest flame height of 7.41 mm and NOx exhaust gas emissions with the lowest value of 137 ppm.
Co-Authors Dony Perdana Khoirul Anam As Syukri Mochammad Khoirul Rosidin Muhamad Hanifudin