SAE Technical Paper Series 2007
DOI: 10.4271/2007-01-0007
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Phenomena that Determine Knock Onset in Spark-Ignition Engines

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Cited by 53 publications
(15 citation statements)
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“…Douaud and Eyzat [22] proposed a chemical reaction-based ignition delay time calculation and calculated the coefficients by experimental studies using primary reference fuels (iso-octane and n-heptane mixtures). Since the first attempt by Douaud and Eyzat, many studies have used these correlations [8,11,[23][24][25][26]. Wayne et al [27] recalibrated the coefficients, and Pipitone et al [28] also recalibrated them under the operating conditions of a gasoline-natural gas mixture combustion by using an equation excluding the octane number.…”
Section: Knock Prediction Modelsmentioning
confidence: 99%
“…Douaud and Eyzat [22] proposed a chemical reaction-based ignition delay time calculation and calculated the coefficients by experimental studies using primary reference fuels (iso-octane and n-heptane mixtures). Since the first attempt by Douaud and Eyzat, many studies have used these correlations [8,11,[23][24][25][26]. Wayne et al [27] recalibrated the coefficients, and Pipitone et al [28] also recalibrated them under the operating conditions of a gasoline-natural gas mixture combustion by using an equation excluding the octane number.…”
Section: Knock Prediction Modelsmentioning
confidence: 99%
“…Second, the pressure trace in that window is filtered through a range of frequencies corresponding to knock (based on the speed of sound in the cylinder and the resonances frequencies consistent with the cylinder geometry). For this engine, the pressure trace is filtered in the frequency range of 3 kHz to 25 kHz, consistent with the dimensions of the engine and the literature [20,22,23]. Finally, the filtered pressure trace is used to generate a single metric defined as KI -this value is generally either the area underneath the redressed signal or the maximum value of the redressed signal.…”
Section: Knock Intensity Calculationmentioning
confidence: 99%
“…The super-knock mechanism is remarkably different from that of the conventional knock, showing that it occurs owing to a different combustion mode in the cylinder. In the literature [8][9][10], a number of researches on end-gas autoignition because it is relevant to engine knock or super-knock. Mittal et al [8] studied the influencing factors of the starting point of the knock from a single-cylinder gasoline engine.…”
Section: Introductionmentioning
confidence: 99%