Tilaar, Alpen Salmon Wicaksono (2026) Pengaruh Penggunaan Etanol 95% terhadap AFR dan Emisi pada Kendaraan Bermotor dengan Sistem Pembakaran Karburator. Undergraduate thesis, Politeknik Negeri Jember.
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Abstract
This study aims to determine the effect of 95% ethanol use on the value of Air Fuel Ratio (AFR) and exhaust gas emissions in carburetor system motor vehicles. The research was conducted using a Yamaha Byson 2013 motorcycle with experimental methods and quantitative approaches. The test was carried out at idle conditions of 1500 rpm using 95% ethanol fuel and pertalite as a comparison. The parameters tested included AFR, lambda (λ), as well as CO, HC, CO₂, and O₂ exhaust emissions using a gas analyzer and wideband O₂ sensor. The results showed that 95% ethanol produced an AFR of 10.28 : 1 with a lambda value of 1.142, while pertalite was 27.81 : 1 with a lambda of 1.892. CO emissions in ethanol of 3.58% by volume are lower than pertalite of 4.26% by volume. However, ethanol HC emissions reached 10000 ppm, much higher than pertalite of 494.67 ppm. The CO₂ content of ethanol of 2.40% volume was lower than that of pertalite of 2.87% by volume, while the content of O₂ ethanol of 14.67% volume was higher than that of pertalite of 12.83% volume. The results showed that the use of 95% ethanol had an effect on the characteristics of AFR and exhaust gas emissions in motor vehicles with a carburetor system
| Item Type: | Thesis (Undergraduate) | ||||||
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| Uncontrolled Keywords: | Etanol 95%, AFR, karburator, lambda. | ||||||
| Subjects: | 410 - Rumpun Ilmu Teknik > 430 - Ilmu Keteknikan Industri > 431 - Teknik Mesin (dan Ilmu Permesinan Lain) 410 - Rumpun Ilmu Teknik > 430 - Ilmu Keteknikan Industri > 433 - Teknik Kimia 410 - Rumpun Ilmu Teknik > 430 - Ilmu Keteknikan Industri > 435 - Teknik Industri 410 - Rumpun Ilmu Teknik > 470 - Teknologi Kebumian > 474 - Teknik Perminyakan (Perminyakan) |
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| Divisions: | Jurusan Teknik > Prodi D4 Mesin Otomotif > Tugas Akhir | ||||||
| Depositing User: | Alpen Salmon Wicaksono Tilaar | ||||||
| Date Deposited: | 09 Jul 2026 06:18 | ||||||
| Last Modified: | 09 Jul 2026 06:18 | ||||||
| URI: | https://sipora.polije.ac.id/id/eprint/57558 |
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