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Perbandingan Kinerja Motor Bakar LPG terhadap Motor Bakar Bensin

Comparison of Performance of LPG Fuel Motors to Gasoline Fuel Motors

Research Report from JBPTPPOLBAN / 2018-10-01 14:10:29
Oleh : Adri Maldi Subardjah & Ali Mahmudi (amaldi@polban.ac.id)
Dibuat : 2017-10-01, dengan 1 file

Keyword : Putaran, kadar CO, Kadar HC, daya dan AFR
Subjek : Putaran, kadar CO, Kadar HC, daya dan AFR

Penelitian ini diperlukan untuk mengantisipasi diversifikasi penggunaan bahan bakar pada kendaraan bermotor baik itu roda dua maupun roda empat atau lebih dan untuk mengurangi kadar polusi udara. Pada sepeda motor dilakukan pada mesin dengan kapsitas 110 cm3. sedangkan pada mobil dilakukan pada mesin karburator dengan kapasitas 1600 cm3. Bahan bakar alternatif yang digunakan adalah Liquefied Petrolium Gas (LPG) untuk konsumsi rumah tangga. Secara umum pengujian dilakukan terhadap kadar gas buang karbon monoksida (CO) dan hidrokarbon (HC) yang dihasilkan dari proses pembakaran. Pengujian kinerja daya hanya dilakukan pada mesin sepeda motor saja. Pengukuran kadar gas buang dilakukan pada putaran mesin diantara 1.000 sampai dengan 4.000 rotation per minute (rpm). Mesin sepeda motor menghasilkan perbandingan kadar gas buang CO dengan menggunakan bahan bakar LPG/bensin ketika dalam kondisi 1.100, 2.000, 3.000 dan 4.000 rpm rata-rata 0,1/2,52%, 0.04/2,32%, 0.06/2,91% dan 2,07/4,31% secara berturut-turut. Sedangkan untuk kadar gas buang HC rata-rata 671/2.303 ppm, 25/948 ppm, 29/291 ppm dan 103/328 ppm secara berturut-turut. Sedangkan daya yang dihasilkan oleh pembakaran LPG relatif kecil 10% dibandingkan dengan daya yang dihasilkan oleh pembakaran bensin. Dilain pihak, pengujian kadar gas buang hasil LPG pada mesin mobil menggunakan vaporizer branded dan vaporizer hasil penelitian sehingga mesin karburator mobil menghasilkan perbandingan kadar gas buang CO dengan menggunakan bahan bakar bensin/LPG-branded/LPG-penelitian ketika dalam kondisi 1.000, 1.500, dan 2.000 rpm rata-rata 2,93/0,92/2,51%, 1,83/0,61/1,25% dan 1,12/0,32/0,71% secara berturut-turut. Sedangkan untuk kadar gas buang HC rata-rata 756/457/703 ppm, 567/278/515 ppm dan 403/147/329 ppm secara berturut-turut. Dari hasil penelitian dapat disimpulkan bahwa kadar gas buang hasil pembakaran LPG lebih baik dibandingkan dengan kadar gas buang hasil pembakaran bensin. Namun demikian daya yang dihasilkan relatif lebih kecil 10% dikarenakan air/fuel ratio (AFR) LPG lebih besar dibandingkan bensin.

Deskripsi Alternatif :

This research is needed to anticipate the diversification of fuel use in motorized vehicles, both two-wheeled and four-wheeled or more, and to reduce air pollution levels. On motor bikes it is done on a machine with a capacity of 110 cm3. while the car was carried out on a carburetor engine with a capacity of 1600 cm3. The alternative fuel used is Liquefied Petroleum Gas (LPG) for household consumption. In general, testing is carried out on the exhaust gas levels of carbon monoxide (CO) and hydrocarbons (HC) produced from the combustion process. Power performance testing is only done on motorcycle engines. Measurement of exhaust gas levels is carried out at engine speed between 1,000 to 4,000 rotations per minute (rpm). Motorcycle engines produce a comparison of CO exhaust levels using LPG / gasoline fuel when in conditions of 1,100, 2,000, 3,000 and 4,000 rpm on average 0.1 / 2.52%, 0.04 / 2.32%, 0.06 / 2, 91% and 2.07 / 4.31% respectively. Whereas for the average exhaust gas content of HC 671 / 2,303 ppm, 25/948 ppm, 29/291 ppm and 103/328 ppm respectively. While the power produced by combustion of LPG is relatively small at 10% compared to the power produced by burning gasoline. On the other hand, testing the exhaust gas content of LPG results on car engines using a branded vaporizer and vaporizer research results so that the car carburetor engine produces a comparison of CO exhaust levels using gasoline / LPG-branded / LPG-research fuel when in conditions of 1,000, 1,500, and 2,000 rpm on average 2.93 / 0.92 / 2.51%, 1.83 / 0.61 / 1.25% and 1.12 / 0.32 / 0.71% respectively. Whereas for the average exhaust gas HC 756/457/703 ppm, 567/278/515 ppm and 403/147/329 ppm respectively. From the results of the study it can be concluded that the level of exhaust gases resulting from combustion of LPG is better than the level of exhaust gases resulting from combustion of gasoline. However, the power produced is relatively 10% smaller because LPG air / fuel ratio (AFR) is greater than gasoline.

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PropertiNilai Properti
ID PublisherJBPTPPOLBAN
Organisasi
Nama KontakHelmi Purwanti
AlamatJl. Trsn. Gegerkalong Hilir Ds. Ciwaruga
KotaBandung
DaerahJawa Barat
NegaraIndonesia
Telepon022 201 3789 ext. 168, 169, 239
Fax022 201 3889
E-mail Administratorhelmi.purwanti@polban.ac.id
E-mail CKOhelmi.purwanti@polban.ac.id

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