نتایج جستجو برای: spark ignition
تعداد نتایج: 15810 فیلتر نتایج به سال:
TM1 3 : l O Problems in Event Based Engine Control Elbert Hendricks', Michael Jensen", Alain Chevalier* and Thomas Vesterholm' *Institute of Automatic Control Systems Laboratory for Energetics The Technical University of Denmark DK-2800 Lyngby, Denmark e-mail [email protected] ** Physically a four cycle spark ignition engine operates on the basis of four engine processes or events: intake, compressi...
Abbreviations: aBDC, after bottomdead center; aTDC, aft bottomdead center; bTDC, before top dead center; CA50, cra fraction reaches to 50%; CI, compression ignition; COVime indicated mean effective pressure; DI, direct injection; DIS DOI, duration of injection (first DOI1, second DOI2); EGR, homogenous charge compression ignition; IMEP, indicat injection ratio; MPRR, maximum pressure rise rate;...
High-repetition-rate laser-induced fluorescence measurements of fuel and OH concentrations in internal combustion engines are demonstrated. Series of as many as eight fluorescence images, with a temporal resolution ranging from 10 micros to 1 ms, are acquired within one engine cycle. A multiple-laser system in combination with a multiple-CCD camera is used for cycle-resolved imaging in spark-ig...
The work involved a fundamental study of auto-ignition under unusually high knock intensities for an optical spark ignition engine. The single-cylinder research engine adopted included full bore overhead optical access capable of withstanding continuous peak in-cylinder pressures of up to 150bar. A heavy knock was deliberately induced under relatively low loads using inlet air heating and a pri...
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