转速拓展下喷油策略对柴油机低负荷预混燃烧的影响
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范超, 鹿盈盈, 刘一泽
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Effect of Injection Strategy on Low Load Premixed Combustion of a Diesel Engine in Engine Speed Extension
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FAN Chao, LU Yingying, LIU Yize
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表2 各标定工况喷油参数
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Tab.2 Injection parameters of each calibration condition
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S/
(r·min-1) | 工况 | R/% | φCA/(°)
(P2SOI/D2/P1SOI/
D1/MSOI/D) | E/% | | 1 000 | 1 | 0 | 0/0/0/0/-30/4.1 | 43.19 | | 2 | 0 | 0/0/0/0/-25/4.1 | 45.24 | | 3 | 0 | 0/0/0/0/-15/4.1 | 51.99 | | 4 | 20 | 0/0/-30/0.6/-20/2.1 | 46.35 | | 5 | 30 | 0/0/-30/0.9/-20/1.8 | 45.19 | | 6 | 40 | 0/0/-30/1.1/-20/1.6 | 45.25 | | 7 | 50 | 0/0/-30/1.3/-20/1.3 | 45.96 | | 8 | 60 | 0/0/-30/1.6/-20/1.1 | 42.08 | | 9 | 70 | 0/0/-30/1.8/-20/0.9 | 52.00 | | 1 400 | 1 | 0 | 0/0/0/0/-30/5.8 | 42.96 | | 2 | 0 | 0/0/0/0/-25/5.8 | 42.72 | | 3 | 0 | 0/0/0/0/-15/5.8 | 48.08 | | 4 | 20 | 0/0/-30/1/-20/3.6 | 44.47 | | 5 | 30 | 0/0/-30/1.5/-20/3.1 | 45.14 | | 6 | 40 | 0/0/-30/1.9/-20/2.7 | 44.83 | | 7 | 50 | 0/0/-30/2.3/-20/2.3 | 44.50 | | 8 | 60 | 0/0/-30/2.7/-20/1.9 | 44.68 | | 9 | 70 | 0/0/-30/3.1/-20/1.5 | 50.50 |
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