volume 156, issue 10, P1898-1908 2009
DOI: 10.1016/j.combustflame.2009.07.019
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Abstract: a b s t r a c tThe structure of first-and second-stage combustion is investigated in a heavy-duty, single-cylinder optical engine using chemiluminescence imaging, Mie-scatter imaging of liquid-fuel, and OH planar laserinduced fluorescence (OH-PLIF) along with calculations of fluorescence quenching. Three different diesel combustion modes are studied: conventional non-diluted high-temperature combustion (HTC) with either (1) short or (2) long ignition delay, and (3) highly diluted low-temperature combustion (L…

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