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author:

魏建辉 (魏建辉.) [1] | 彭育辉 (彭育辉.) [2] (Scholars:彭育辉)

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PKU

Abstract:

在基于过量空气系数控制的天然气-柴油双燃料发动机上,通过台架试验和计算流体动力学(CFD)数值模拟研究低负荷工况下喷油正时对双燃料发动机性能的影响规律.结果表明:发动机以中等转速、低负荷、40%天然气替代率工作,适当喷油正时提前能够改善混合气质量与缸内燃烧情况.喷油正时为27°上止点前(BTDC)时,输出功率提升了18.44%,能量消耗率减少15.57%,同时一氧化碳(CO)和碳氢化合物(HC)的排放水平分别降低37.98%和39.51%.

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  • [ 1 ] [魏建辉]福州大学
  • [ 2 ] [彭育辉]福州大学

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Source :

福州大学学报(自然科学版)

ISSN: 1000-2243

CN: 35-1337/N

Year: 2021

Issue: 4

Volume: 49

Page: 516-521

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count: -1

Chinese Cited Count:

30 Days PV: 0

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