Browse Publications Technical Papers 2019-28-0019
2019-10-11

Emission and noise optimization of CRDe engine with pilot injection strategies 2019-28-0019

he combustion strategies play a key role in emission improvisation and noise reduction on diesel engines equipped for higher emission norms. This paper clearly discussed on the selection of various operating points for optimization and employing of proper calibration strategies like pilot strategy, Main injection timing, EGR type and rail pressure variation for best emission and noise output. Various optimization techniques have been implemented in our study. Since the pilot injection quantity as well as timing are varied in our paper, careful matrix formulation is required to determine the best optimum point. Around 340 points were obtained on varying pilot quantity and pilot separation sweep chosen at single engine speed and load for both the pilots. Out of the above points, 5 sensitive points were selected ensuring the sensitivity of the emissions and noise. Calibration was employed to meet the emission and noise targets of the points achieving effective noise - Soot trade off and HC- PM trade-off.

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