HCCI Heat Release Rate and Combustion Efficiency: A Couple KIVA Multi-zone Modeling Study

HCCI Heat Release Rate and Combustion Efficiency: A Couple KIVA Multi-zone Modeling Study

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Nine engine operating and design parameters were investigated with respect to their effects on ignition timing. Equivalence ratio (0.2aˆ¼0.4), EGR (5%, 20%, and 40%), Load (7aˆ¼13 mg/cycle), RPM (750aˆ¼3750), wall temperature (400K, 450K), swirl (0.93, 3.93), compression ratio (12.5, 16), piston geometry (bowl, pancake), and crevice volume (1%, 4%, and 8%) are those nine parameters. The effects of these parameters on combustion efficiency and burning rate were also investigated with controlled ignition timing.Unlike the SI engine, which has a spark to initiate the combustion, or a DICI engine, which has a fuel injector to control the injection timing, HCCI ignition is primarily controlled by the temperature time history ... The engine is a Toyota 1KD -FTV.


Title:HCCI Heat Release Rate and Combustion Efficiency: A Couple KIVA Multi-zone Modeling Study
Author: Yanbin Mo
Publisher:ProQuest - 2008
ISBN-13:

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