![]() Bose, P.K., Maji, D., (2009), An Experimental Investigation on Engine Performance and Emissions of A Single Cylinder Diesel Engine Using Hydrogen as Induced Fuel and Diesel as Injected Fuel with Exhaust Gas Recirculation, International Journal of Hydrogen Energy, 34, pp.Bhupendra Singh Chauhan, Naveen Kumar dan Haeng Muk Cho, (2012), A study on the performance and emission of a diesel engine fueled with Jatropha biodiesel oil and its blends, Energy, 37, pp.Agarwal D., Singh S.K, Agarwal A.K, (2011), Effect of Exaust Gas Recirculation (EGR) on performance, deposits and durability of constant speed compression ignition engine, Applied Energy, 88, pp.Murugan, (2017), Durability analysis of A Single Cylinder DI Diesel Engine Operating with A Non-petroleum Fuel, Fuel, 191, pp. Murugan, (2013), Investigation on the Behaviour of A DI Diesel Engine Fueled with Jatropha Methyl Ester (JME) and Tyre Pyrolysis Oil (TPO) Blends, Fuel, 108, pp. Abd-Alla, GH., (2002), Using exhaust gas recirculation in internal combustion engine : a review, Energy conservation and Management, 43, pp.027 - 1042.Hasil-hasil penelitian menunjukkan bahwa penggunaan bahan bakar campuran rata-rata meningkatkan BSFC 5,2% dan menurunkan emisi jelaga sampai 65%. Putaran mesin dipertahankan konstan 2000 rpm. Beban mesin divariasikan dari 25% sampai 100% dengan interval 25%. Laju EGR ( exhaust gas recirculation) yang dinyatakan oleh OEV ( opening EGR valve) divariasikan pada bukaan 0% sampai 100%. Jatropha adalah pada rentang 10% sampai 30%. Metanol (LPM dan HPM) divariasikan pada rentang 5% sampai 15%. Metode eksperimen dilakukan untuk mendapatkan keterkaitan antara prosentase metanol terhadap brake specific fuel consumption (BSFC)dan emisi jelaga. Dari penelitian ini juga diinginkan untuk mengamati pengaruh aditif metanol terhadap konsumsi bahan bakar spesifik. Oleh karena itu, penelitian ini bermaksud untuk mereduksi emisi jelaga dengan menambahkan LPM ( low purity methanol) atau wet methanol dan HPM ( high purity methanol)kedalam campuran bahan bakar jatropha dan solar. Selain itu permasalahan menipisnya cadangan bahan bakar fosil menuntut berbagai pihak untuk mencari bahan bakar alternatif pengganti solar. Hal ini menjadi permasalahan serius dengan semakin ketatnya regulasi menyangkut emisi gas buang. Akan tetapi mesin diesel melepaskan lebih banyak emisi NO x dan jelaga ke atmosfir. Mesin diesel telah banyak digunakan sebagai moda transportasi umum dan kendaraan pribadi oleh karena beberapa kelebihannya dibandingkan dengan mesin bensin diantaranya daya yang lebih besar, hemat bahan bakar, kehandalan dan ketahanan mesin yang tinggi (high realibility and durability), dan emisi CO yang lebih rendah. Keywords: LPM and HPM, BSFC, soot emissions, jatropha, cold EGR and diesel engine The results show that the use of fuel mixture increases evenly BSFC of 5.2% and soot emissions of 65%. The engine speed was kept constant of 2000 rpm. Engine load was varied from 25 to 100% at intervals of 25%. The rate of EGR (exhaust gas recirculation) expressed by OEV (opening EGR valve) was varied at the opening of 0 to 100%. Methanol (LPM and HPM) was varied in the range of 5 to 15% by volume. Experiment method was conducted to obtain the correlation between the percentage of methanol to a brake specific fuel consumption (BSFC) and soot emissions. From this research, it is also desirable to observe the effect of methanol additive to the specific fuel consumption. Therefore, this work is intended to reduce soot emissions by adding LPM (low purity methanol) or wet methanol and HPM (high purity methanol) into a mixture of jatropha and diesel fuels. Besides problems of depletion of fossil fuel reserves require various parties to seek alternative fuels derived diesel fuel. This is a serious problem with the strict regulations regarding exhaust emissions. However, diesel engines release more NO x and soot emissions into the atmosphere. BibTex Citation Data : = ,ĭiesel engines have been widely used as a mode of public transport and private vehicles because of several advantages compared to gasoline engines including greater power, fuel economy, high reliability and durability of the engine and lower CO emissions. ![]()
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