2009
DOI: 10.1016/j.ijhydene.2009.08.002
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Cycle-by-cycle variations in a spark ignition engine fueled with natural gas–hydrogen blends combined with EGR

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Cited by 180 publications
(35 citation statements)
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“…Recently it also has been studied in homogeneous charge compression ignition (HCCI) engine processes [14], compression ignition engines [15] and also by using CFD simulations [16]. A traditional [17][18][19][20][21][22] estimator of the cycle-to-cycle variation is the Coefficient of Variation in Indicated Mean Pressure, COV IMEP . In this paper, the authors propose complementary considering the variation of the mass fraction burning rate of each individual cycle to characterize cyclic variation, as explained later (Fig.…”
Section: Introductionmentioning
confidence: 99%
“…Recently it also has been studied in homogeneous charge compression ignition (HCCI) engine processes [14], compression ignition engines [15] and also by using CFD simulations [16]. A traditional [17][18][19][20][21][22] estimator of the cycle-to-cycle variation is the Coefficient of Variation in Indicated Mean Pressure, COV IMEP . In this paper, the authors propose complementary considering the variation of the mass fraction burning rate of each individual cycle to characterize cyclic variation, as explained later (Fig.…”
Section: Introductionmentioning
confidence: 99%
“…Their results showed that the peak cylinder pressure, the maximum rate of pressure rise and the indicated mean effective pressure increased and their corresponding cycleby-cycle variations decreased with the increase of hydrogen fraction at lean mixture operation. Huang et al [11] analised the cycle-by-cycle variations in a spark ignition engine fuelled with natural gasehydrogen blends combined with Exhaust Gas Recirculation (EGR). The effects of EGR ratio and hydrogen percentage on engine cycle-by-cycle variations were studied.…”
Section: Introductionmentioning
confidence: 99%
“…Their results showed that the peak cylinder pressure, the maximum rate of pressure rise and the indicated mean effective pressure increased and their corresponding cycle-by-cycle variations decreased with the increase of hydrogen fraction at lean mixture operation. Huang et al [21] analyzed the cycle-by-cycle variations in a spark ignition engine fuelled with natural gasehydrogen blends combined with EGR. Ma et al [22] conducted a work to investigate the effects of hydrogen addition on the combustion behaviour and cycleby-cycle variations in a turbocharged lean burn natural gas spark ignition engine.…”
Section: Introductionmentioning
confidence: 99%