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Abstract
<p>The purpose of this study were to determine the effect usage of gasoline heating through a capillary<br />tube which is transversal finned in the upper tank of radiator on exhaust emissions of CO and HC in the engine<br />of Toyota Kijang. This study is experimental. The sample in this study was the machine of Toyota Kijang. Free<br />variable of the research is the usage of fuel heating with fin variations on the copper capillar tube consist of<br />copper capillar tube without fin, finned copper capillar tube with the ranges between the fins are 10 mm, 20 mm,<br />and 30 mm and variations of ethanol in premium 0%, 5%, 10%, 15%, 20%, 25%, and 30%. Experimental<br />method to measure exhaust emissions of CO and HC in the engine of Toyota Kijang. The result of this research<br />shows that (1) The lowest carbonmonoxide gas emissions level was foundin the heating of copper pipe with 20<br />mm fins distance in the solution of fuel and ethanol 30% at 0.209 (% vol). (2) The lowest Hydrocarbon emissions<br />level was found in the heating of pipe with 10 mm fins distance in the solution of gasoline and ethanol 20% at<br />294.33 (ppm vol). (3)The heating of copper pipe with 20 mm spacing between the fins and the variation of<br />ethanol 30% is the best result of the entire treatments with CO gas at 0.209 (% vol) and HC at 310.00 (ppm vol).<br />(4) The heating in fuel mixture gasoline 75% and ethanol 25% through radiator upper tank with gap between<br />fins 10 mm is the best treatment than from other treatment in testing use with CO t 0,31 (%vol) dan HC at 340<br />(ppm vol).</p>
Highlights
The purpose of this study were to determine the effect usage of gasoline heating through a capillary tube which is transversal finned in the upper tank of radiator on exhaust emissions of CO and HC in the engine of Toyota Kijang
Free variable of the research is the usage of fuel heating with fin variations on the copper capillar tube consist of copper capillar tube without fin, finned copper capillar tube with the ranges between the fins are 10 mm, 20 mm, and 30 mm and variations of ethanol in premium 0%, 5%, 10%, 15%, 20%, 25%, and 30%
The result of this research shows that (1) The lowest carbonmonoxide gas emissions level was foundin the heating of copper pipe with 20 mm fins distance in the solution of fuel and ethanol 30% at 0.209 (% vol)
Summary
Pendidikan Teknik dan Kejuruan, FKIP, Universitas Sebelas Maret yang beralamatkan di Jl. Ahmad Yani no. Radiator yang digunakan adalah radiator yang telah ditambah dengan pipa tembaga dengan variasi jarak antar sirip. Digunakan untuk mengukur waktu yang diperlukan untuk menghabiskan bensin premium. Mesin yang digunakan adalah mesin Toyota Kijang 4 silinder. 2) Bahan Bakar (a) Bahan bakar bensin jenis premium (b) Bahan bakar campuran antara premium dengan etanol c) Desain Eksperimen. : Penambahan pipa bersirip dengan jarak antar sirip 30 mm Gambar 4. Skema Instalasi pada Mobil Karburator d) Pengambilan Data. Berdasarkan penelitian yang telah berdasarkan SNI 09-7118.1-2005 dilakukan terhadap emisi gas buang CO dan untuk pengujian emisi gas buang. HC pada mesin Toyota Kijang menghasilkan data pada tabel 1. Emisi Gas Buang CO dengan Pemanasan Bahan Bakar dengan Pipa Bersirip Persegi
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