SAE Technical Paper Series 2006
DOI: 10.4271/2006-01-3314
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Measurements of Cycle to Cycle Variability of the Inlet Flow of Fuel Injectors Using LDA

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Cited by 5 publications
(4 citation statements)
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“…Spray variations could adversely influence the fuel mixture preparation and result in the combustion instability. 68 Therefore, understanding the spray cyclic variations is a crucial first step toward suppressing the unwanted variations in engines. Furthermore, the spray simulation models commonly used today or the empirical formula for spray penetration does not take the spray variations into account.…”
Section: Introductionmentioning
confidence: 99%
“…Spray variations could adversely influence the fuel mixture preparation and result in the combustion instability. 68 Therefore, understanding the spray cyclic variations is a crucial first step toward suppressing the unwanted variations in engines. Furthermore, the spray simulation models commonly used today or the empirical formula for spray penetration does not take the spray variations into account.…”
Section: Introductionmentioning
confidence: 99%
“…• Global phenomena [11,12], which are related to global operating characteristics: trapped mass, intake mass flow rate, tumble ratio, overall equivalence ratio, mean cylinder pressure, mean intake charge temperature, exhaust gas recirculation (EGR) rate, etc. Their spatial scales are of the order of some characteristic dimension of the engine, and their time scales of the order of the crank angle and up to the duration of an engine cycle;…”
Section: Introductionmentioning
confidence: 99%
“…Experimental studies [11,12] certainly allow identifying CCV for a given engine concept, and they can help testing control strategies to limit its occurrence and impact. Aleiferis [16] conducted research on a pent-roof single-cylinder port fuel injection engine fueled with a stratified mixture of iso-octane/air.…”
Section: Introductionmentioning
confidence: 99%
“…ii the variation in air-fuel ratio supplied to each cycle [20,[67][68][69] iii non-uniform mixture composition in the cylinder due to incomplete mixing between air, fuel, and residual gas [68,70] iv ability of different ignition systems to ignite the local mixture [68,[71][72][73][74] Early flame kernel development corresponds to the combustion process from SI initiation to the transition to a fully turbulent combustion. This early burn period, which is often approximated by the 5% mass fraction burned (MFB) limit, is recognized as the most crucial stage of the combustion evolution [75,76].…”
Section: Origins Of Cyclic Variationmentioning
confidence: 99%