KAJI EKSPERIMENTAL PENGGUNAAN LIQUID GAS FOR VEHICLE (LGV) DENGAN PERTAMAX TERHADAP PERFORMA DAN EMISI GAS BUANG MOTOR BENSIN 2000 cc
DOI:
https://doi.org/10.22441/jtm.v6i2.1182Abstract
APBN 2015 mengisyaratkan bahwa Pemerintah akan mengurangi subsidi Bahan Bakar Minyak dari 48 juta kilo liter menjadi 46 juta kilo liter, implikasi dari hal ini jelas akan berdampak pada kebijakan penggunaan BBM dalam rangka untuk memenuhi kebutuhan sektor transportasi dan industri. Salah satu bahan bakar yang cadangannya masih cukup banyak dan pemanfaatannya masih terbatas pada kebutuhan rumah tangga serta usaha sector kuliner adalah Liquid Petrolium Gas (LPG). LPG mempunyai produk turunan dengan merk dagang Elpiji dan Liquid Gas for Vehicle (LGV atau sering disebut dengan Vigas). LGV mempunyai RON 98 setara dengan bahan bakar Pertamax dan mudah disimpan dalam tangki portabel karena tekanan nya relative rendah yaitu 8-15 bar, sedangakan tekanan bahan bakar Compressed Natural Gas (CNG) yang sering disebut dengan Bahan Bakar Gas (BBG) sekitar 200 bar. Perkembangan penggunaan LGV di masyarakat cenderung lambat hal ini disebabkan oleh keterbatasan infrastruktur yang ada dan pemahaman masyarakat tentang penggunaan LGV untuk sektor transportasi masih kurang. Tujuan dan target penelitian ini adalah didapatkannya konstanta performa dari motor bensin yang berbahan bakar LGV dan Pertamax, sehingga dapat memberikan pengetahuan kepada masyarakat bahwa LGV bisa digunakan sebagai bahan bakar pada sector transportasi dan lebih ekonomis. Metode yang digunakan dalam penelitian ini adalah metode eksprimen dengan mesin uji motor bensin 2000 cc yang berbahan bakar LGV dan Pertamax. Pengujian dilakukan dengan uji static diatas Dyno Test. Luaran data yang dihasilkan berupa performa mesin yang meliputi torsi, daya, konsumsi bahan bakar, selain uji static juga dilakukan uji emisi gas buang. Hasil pengujian menunjukkan bahwa enggunaan Liquid Gas For Vehicle (LGV) dengan merk dagang Vigas mampu menaikkan Daya mesin maksimum sebesar 20,86% dan daya rata-rata sebesar 14,1%, torsi maksimum yang dihasilkan oleh Motor berbahan bakar Vigas lebih kecil dari motor yang berbahan bakar pertamax, penurunannya sebesar 0.94% Penggunaan Vigas pada motor mampu menaikkan jarak tepuh sebesar 6,9% bila dibanding dengan motor berbahan bakar pertama Air Fuel Ratio (AFR) untuk kedua bahan bakar masih dibawah standar, sehingga terjadi pemborosan bahan bakar, khusunya pada putaran rendah. Penggunaan Vigas pada kendaraan bermotor mampu meurunkan emisi gas buang khususnya CO2.Downloads
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