Efek Aditif LPM dan HPM Terhadap Konsumsi Bahan Bakar Spesifik (Brake Specific Fuel Consumption (BSFC))  dan Emisi Jelaga Mesin Diesel Injeksi Langsung Berbahan Bakar Campuran Solar dan Jatropha dengan Cold EGR (Exhaust Gas Recirculation)

S Syaiful; S Sobri

doi:10.14710/reaktor.16.3.116-122

DOI: https://doi.org/10.14710/reaktor.16.3.116-122

Efek Aditif LPM dan HPM Terhadap Konsumsi Bahan Bakar Spesifik (Brake Specific Fuel Consumption (BSFC)) dan Emisi Jelaga Mesin Diesel Injeksi Langsung Berbahan Bakar Campuran Solar dan Jatropha dengan Cold EGR (Exhaust Gas Recirculation)

*S Syaiful - Department of Mechanical Engineering Faculty of Engineering Diponegoro University, Indonesia

S Sobri - Program Studi Permesinan Perikanan, Sekolah Tinggi Perikanan, Jakarta, Indonesia

Received: 17 Feb 2017; Published: 28 Feb 2017.

BibTex Citation Data :

@article{Reaktor13437,
    author = {S Syaiful and S Sobri},
    title = {Efek Aditif LPM dan HPM Terhadap Konsumsi Bahan Bakar Spesifik (Brake Specific Fuel Consumption (BSFC))  dan Emisi Jelaga Mesin Diesel Injeksi Langsung Berbahan Bakar Campuran Solar dan Jatropha dengan Cold EGR (Exhaust Gas Recirculation)},
    journal = {Reaktor},
  volume = {16},
    number = {3},
    year = {2017},
    keywords = {LPM dan HPM, BSFC, emisi jelaga, jatropha, cold EGR dan mesin diesel},
    abstract = {  Diesel 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. However, diesel engines release more NO x  and soot emissions into the atmosphere. This is a serious problem with the strict regulations regarding exhaust emissions. Besides problems of depletion of fossil fuel reserves require various parties to seek alternative fuels derived diesel fuel. 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. From this research, it is also desirable to observe the effect of methanol additive to the specific fuel consumption. Experiment method was conducted to obtain the correlation between the percentage of methanol to a brake specific fuel consumption (BSFC) and soot emissions. Methanol (LPM and HPM) was varied in the range of 5 to 15% by volume. Jatropha is in the range of 10% to 30%. The rate of EGR (exhaust gas recirculation) expressed by OEV (opening EGR valve) was varied at the opening of 0 to 100%. Engine load was varied from 25 to 100% at intervals of 25%. The engine speed was kept constant of 2000 rpm. The results show that the use of fuel mixture increases evenly BSFC of 5.2% and soot emissions of 65%.       Keywords:   LPM and HPM, BSFC, soot emissions, jatropha, cold EGR and diesel engine                Abstrak        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. Akan tetapi mesin diesel melepaskan lebih banyak emisi NO x  dan jelaga ke atmosfir. Hal ini menjadi permasalahan serius dengan semakin ketatnya regulasi menyangkut emisi gas buang. Selain itu permasalahan menipisnya cadangan bahan bakar fosil menuntut berbagai pihak untuk mencari bahan bakar alternatif pengganti solar. 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. Dari penelitian ini juga diinginkan untuk mengamati pengaruh aditif metanol terhadap konsumsi bahan bakar spesifik. Metode eksperimen dilakukan untuk mendapatkan keterkaitan antara prosentase metanol terhadap  brake specific fuel consumption  (BSFC)dan emisi jelaga. Metanol (LPM dan HPM) divariasikan pada rentang 5% sampai 15%. Jatropha adalah pada rentang 10% sampai 30%. Laju EGR ( exhaust gas recirculation ) yang dinyatakan oleh OEV ( opening EGR valve ) divariasikan pada bukaan 0% sampai 100%. Beban mesin divariasikan dari 25% sampai 100% dengan interval 25%. Putaran mesin dipertahankan konstan 2000 rpm. Hasil-hasil penelitian menunjukkan bahwa penggunaan bahan bakar campuran rata-rata meningkatkan BSFC 5,2% dan menurunkan emisi jelaga sampai 65%. },
   issn = {2407-5973},   pages = {116--122}  doi = {10.14710/reaktor.16.3.116-122},
    url = {https://ejournal.undip.ac.id/index.php/reaktor/article/view/13437}
}

Citation Format:

Abstract

Diesel 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. However, diesel engines release more NO_x and soot emissions into the atmosphere. This is a serious problem with the strict regulations regarding exhaust emissions. Besides problems of depletion of fossil fuel reserves require various parties to seek alternative fuels derived diesel fuel. 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. From this research, it is also desirable to observe the effect of methanol additive to the specific fuel consumption. Experiment method was conducted to obtain the correlation between the percentage of methanol to a brake specific fuel consumption (BSFC) and soot emissions. Methanol (LPM and HPM) was varied in the range of 5 to 15% by volume. Jatropha is in the range of 10% to 30%. The rate of EGR (exhaust gas recirculation) expressed by OEV (opening EGR valve) was varied at the opening of 0 to 100%. Engine load was varied from 25 to 100% at intervals of 25%. The engine speed was kept constant of 2000 rpm. The results show that the use of fuel mixture increases evenly BSFC of 5.2% and soot emissions of 65%.

Keywords: LPM and HPM, BSFC, soot emissions, jatropha, cold EGR and diesel engine

Abstrak

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. Akan tetapi mesin diesel melepaskan lebih banyak emisi NO_x dan jelaga ke atmosfir. Hal ini menjadi permasalahan serius dengan semakin ketatnya regulasi menyangkut emisi gas buang. Selain itu permasalahan menipisnya cadangan bahan bakar fosil menuntut berbagai pihak untuk mencari bahan bakar alternatif pengganti solar. 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. Dari penelitian ini juga diinginkan untuk mengamati pengaruh aditif metanol terhadap konsumsi bahan bakar spesifik. Metode eksperimen dilakukan untuk mendapatkan keterkaitan antara prosentase metanol terhadap brake specific fuel consumption (BSFC)dan emisi jelaga. Metanol (LPM dan HPM) divariasikan pada rentang 5% sampai 15%. Jatropha adalah pada rentang 10% sampai 30%. Laju EGR (exhaust gas recirculation) yang dinyatakan oleh OEV (opening EGR valve) divariasikan pada bukaan 0% sampai 100%. Beban mesin divariasikan dari 25% sampai 100% dengan interval 25%. Putaran mesin dipertahankan konstan 2000 rpm. Hasil-hasil penelitian menunjukkan bahwa penggunaan bahan bakar campuran rata-rata meningkatkan BSFC 5,2% dan menurunkan emisi jelaga sampai 65%.

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Keywords: LPM dan HPM, BSFC, emisi jelaga, jatropha, cold EGR dan mesin diesel

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Section: Research Article

Language : EN;IND

In Volume 16 No.3 September 2016

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