Researches on knock combustion in BJ492Q using spark plug optical sensors are presented in this paper. The effects of knockintensity on light emission are studied.
Its verified that the knock signals of ionization currents are strong enough to be used for analysis of knockintensity and as a feedback signal for electronic-control.
由此证明了火花塞离子电流爆震信号可以用于爆震强度的评价分析，作为汽油机爆震电控的反馈信号。
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Two primary standard reference fuels, normal heptane and iso-octane arbitrarily assigned 0 and 100 octane number, respectively, are then blended to produce the same knockintensity as the test sample.