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AEEJ : Journal of Automotive Engineering and Vocational Education
Published by Universitas Negeri Padang
ISSN : 2722404X     EISSN : 27224031     DOI : https://doi.org/10.24036/aeej.v1i1.1
Core Subject : Science, Education, Engineering,
Automotive Engineering Control & Systems Engineering Education Energy Transportation
Focus and Scope Fokus dari AEEJ adalah untuk menjadi sebuah sarana publikasi artikel-artikel ilmiah dari kajian bidang Teknik Otomotif secara praktis dan teoritis. Scope dari AEEJ yakni pada kajian teknik otomotif dan pendidikan kejuruan teknik otomotif yang secara rinci dipaparkan berikut ini. Teknik Otomotif Yang termasuk dalam lingkup kajian Teknik Otomotif ini adalah : 1. Teknologi pada kendaraan ringan 2. Teknologi alat berat 3. Manajemen Bengkel Otomotif 4. Teknik body dan pengecatan 5. Teknologi bahan bakar 6. Sistem kontrol elektronik otomotif 7. Kajian lain yang masih memiliki kaitan dengan otomotif Pendidikan Kejuruan Teknik Otomotif Yang termasuk dalam lingkup kajian Pendidikan Kejuruan Teknik Otomotif ini adalah : 1. Media pembelajaran 2. Evaluasi pembelajaran 3. Penelitian tindakan kelas 4. Pembelajaran jarak jauh 5. Kajian lain yang masih memiliki kaitan dengan pendidikan kejuruan otomotif
Arjuna Subject : Teknik (semua kategori) - Teknik Otomotif
Articles 161 Documents
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Experimental Evaluation of Exhaust Emission Characteristics and Fuel Consumption of an F8A Engine with HHO Electrolyzer Addition Rafly Pratama; Muhammad Darrul Salim Istara; Yusep Sukrawan; Tatang Permana
AEEJ : Journal of Automotive Engineering and Vocational Education Vol 7 No 1 (2026): Vol 7 No 1 (2026) : AEEJ : Journal of Automotive Engineering and Vocational Educa
Publisher : Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/aeej.v7i1.322

Abstract

Growing vehicle use has increased interest in combustion additives that may reduce fuel use and exhaust emissions in conventional engines. This study evaluated an HHO-based electrolyzer system applied to a carburetted F8A engine without internal engine modification. An experimental comparison was conducted under standard operation without HHO and with an active electrolyzer at 800, 2000, 3000, and 4000 rpm. The measured parameters were CO, CO₂, HC, O₂, lambda, and fuel consumption. HHO addition reduced HC emissions by 14.2%, decreased O₂ by 18.5%, increased CO₂ by 10.9%, and shifted lambda from 1.197 to 1.124, indicating a movement toward more complete combustion. However, CO increased by 10.0%. Fuel consumption decreased by 7.0% at 800 rpm, 7.3% at 3000 rpm, and 9.8% at 4000 rpm, but increased by 4.5% at 2000 rpm. These findings indicate that HHO addition can modify the emission profile and fuel consumption of a carburetted F8A engine, although its benefits are engine-speed dependent.

Page 17 of 17 | Total Record : 161

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