When inlet back pressure became lower,combustion duration became longer and heat energy utilization rate became lower.
结果表明,进气背压变小后,柴油机燃烧持续期变长,热量利用率低;排气背压增大后,柴油机燃烧不充分,排气烟度大;排气背压变大后,涡轮增压器工作环境差,柴油机进气压力也相应降低。
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