2019
DOI: 10.1177/1468087419834190
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Effects of equivalence ratio and CNG addition on engine performance and emissions in a dual sequential ignition engine

Abstract: Compared to widening usage of CNG in commercial gasoline engines, insufficient but increasing number of studies have appeared in the open literature during last decades, while engine characteristics need to be quantified in exact numbers for each specific fuel and engine. CNG usage in spark-ignition engine offers many advantages such as high specific power outputs, knock resistance, and low CO2 emission. Engine performance and emissions are strong functions of equivalence ratio. T… Show more

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Cited by 23 publications
(10 citation statements)
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“…diesel, 8 alternatives such as poly(oxymethylene) dimethyl ethers (OME) 9 or blends), 10 by turbulent jet ignition using a prechamber or by alternative ignition concepts such as those discussed in previous studies. 11,12 As pilot injection requires a second fuel in combination with a comparably expensive high-pressure injection system and as pilot injection has problems to provide stable ignition with low pilot quantities at low load, 13,14 the use of a prechamber seems to be more attractive for light-duty vehicle use.…”
Section: Introductionmentioning
confidence: 99%
“…diesel, 8 alternatives such as poly(oxymethylene) dimethyl ethers (OME) 9 or blends), 10 by turbulent jet ignition using a prechamber or by alternative ignition concepts such as those discussed in previous studies. 11,12 As pilot injection requires a second fuel in combination with a comparably expensive high-pressure injection system and as pilot injection has problems to provide stable ignition with low pilot quantities at low load, 13,14 the use of a prechamber seems to be more attractive for light-duty vehicle use.…”
Section: Introductionmentioning
confidence: 99%
“…Wu et al investigated the effect of the air-fuel ratio on the performance of a SI engine at a compression ratio equal to 9.5 [33]. Yontar et al analyzed the effects of the air-fuel ratio and CNG addition for a dual sequential ignition engine with a compression ratio of 10.8 [34]. Topgül et al studied the effects of different gasoline blends on the engine efficiency and exhaust gases by varying the compression ratio (8:1, 9:1, and 10:1) [35].…”
Section: Measurement Accuracy Discussionmentioning
confidence: 99%
“…Using alternative fuels is one of the most feasible options to reduce CO2 emissions is by using alternative fuels. For Spark-Ignition engines, these alternative fuels can be: LPG (liquid petroleum gas), CNG (compressed natural gas), different types of alcohols and biogas [4].…”
Section: Introductionmentioning
confidence: 99%