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Başlık: Enhancing the heavy load performance of a gasoline engine converted for LPG use by modifying the ignition timings
Yazarlar: Surmen, Ali
Uludağ Üniversitesi/Mühendislik Fakültesi/Otomotiv Mühendisliği Bölümü.
0000-0001-5965-0313
Erkuş, Barış
Karamangil, M. Ihsan
ITW-1197-2023
AAH-8619-2019
57113531500
6506425540
Anahtar kelimeler: SI engine
LPG
ECU tuning
Ignition timing
Excess air coefficient
Natural-gas
Blend
Brakes
Carbon monoxide
Diesel engines
Engines
Fuel consumption
Liquefied petroleum gas
Nitrogen oxides
Brake specific fuel consumption
Brake thermal efficiency
Excess air coefficient
Ignition timing
Liquefied petroleum gas (LPG)
Performance parameters
SI engines
Unburned hydrocarbons
Ignition
Thermodynamics
Energy & fuels
Engineering
Mechanics
Yayın Tarihi: 25-Haz-2015
Yayıncı: Elsevier
Atıf: Erkuş, B. vd. (2015). "Enhancing the heavy load performance of a gasoline engine converted for LPG use by modifying the ignition timings". Applied Thermal Engineering, 85, 188-194.
Özet: This paper presents the results of the experiments conducted on a spark-ignition (SI) engine fuelled with liquefied petroleum gas (LPG) by varying the ignition timing at the excess air coefficients of 1.0 and 1.3. Experiments were carried out at wide open throttle (WOT) position and at engine speed of 4300 rpm aiming to determine the lean operation performance of an engine when fuelled with LPG at full load. Performance parameters, namely brake power, brake-specific fuel consumption (BSFC), brake thermal efficiency and exhaust emissions such as unburned hydrocarbons (HC), carbon monoxide (CO) and nitrogen oxides (NOx), were studied. It was shown that advancing the ignition timing improved the performance of LPG-fuelled SI engine for excess air coefficients higher than 0.8. The highest brake power and the lowest BSFC were obtained with modified ignition timing at an excess air coefficient of 1.0. The lowest exhaust emissions were obtained with an excess air coefficient of 1.3. In general, advancing the ignition timings caused increase in HC and NO emissions, while the effect of ignition timing on CO emissions was negligible.
URI: https://doi.org/10.1016/j.applthermaleng.2015.03.076
https://www.sciencedirect.com/science/article/pii/S1359431115003385
http://hdl.handle.net/11452/34236
ISSN: 1359-4311
Koleksiyonlarda Görünür:Scopus
Web of Science

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