2007
DOI: 10.1533/9781845693541
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HCCI and CAI engines for the automotive industry

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Cited by 187 publications
(222 citation statements)
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“…Input fuel energy is also calculated from equation 14. = m f .H LV (11) where, mf is fuel mass and HLV is the lower heating value of fuel. Thermal efficiency is, thus, calculated as follows:…”
Section: Thermal Efficiency and Specific Fuel Consumptionmentioning
confidence: 99%
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“…Input fuel energy is also calculated from equation 14. = m f .H LV (11) where, mf is fuel mass and HLV is the lower heating value of fuel. Thermal efficiency is, thus, calculated as follows:…”
Section: Thermal Efficiency and Specific Fuel Consumptionmentioning
confidence: 99%
“…Among these methods, the exhaust gas recirculation method provided by exhaust gas rebreathing, in which exhaust gas is trapped by means of using a negative valve overlap strategy [6], [7], [8], [9] seems to be the most practical and effective way without modification of the compression ratio, heating intake air [10]. The EGR in the charge, generally, influences with the heating effect, the dilution effect, the heat capacity effect and the chemical effect on CAI engines [11].Therefore, the change of EGR rate in a CAI engine affects combustion phasing directly bringing about a change in engine performance and emission. Recently, many studies have been performed to determine the effect of EGR rate and to enhance the range of CAI/HCCI engine operation.…”
Section: Introductionmentioning
confidence: 99%
“…Exhaust gas recycling appears to be the most practical for obtaining CAI combustion in a gasoline engine, especially if it is done by means of trapping exhaust residuals using the negative valve overlap (NVO) approach as reported by Law et al (2000b), Milovanovic et al (2005b), Zhao (2007), and Li, Zhao and Ladommatos (2001).…”
mentioning
confidence: 99%
“…A formação da fuligem incandescente, em um instante perto do máximo calor liberado (a radiação térmica da fuligem está presente em todo o processo da combustão), até atingir a estabilidade do frente de chama. Revelando a natureza transiente do processo, durante o período de difusão da combustão [61].…”
Section: Fundamentos Da Combustão Dieselunclassified
“…Se o pico de temperatura se atinge muito cedo na fase de compressão, a fase de combustão chega a ser muito adiantada, conduzindo a penalidades na eficiência, alto barulho, aumento da probabilidade de detonações com risco de dano do motor. Se o pico de temperatura é atingido muito tarde, tem uma alta probabilidade de apresentar falha de autoignição, o qual conduz à emissão de altas quantidades de HC e redução do rendimento [61]. Dois fatores são especialmente importantes para assegurar a ignição por compressão e a determinação do início da mesma: a composição química da mistura e o ambiente térmico ao interior do cilindro, neste ponto o histórico da temperatura é crítico [62].…”
Section: Fundamentos Da Combustão Dieselunclassified