首页> 外文会议>2011 International Conference on Electric Information and Control Engineering >Three-dimensional numerical simulation analysis on the combustion and emission characteristics of small non-road Diesel Engine fueled with bio-diesel
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Three-dimensional numerical simulation analysis on the combustion and emission characteristics of small non-road Diesel Engine fueled with bio-diesel

机译:小型非道路用生物柴油柴油机燃烧和排放特性的三维数值模拟分析

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The combusition and emission simulation models are established with a CFD software on a small non-road air cool DI Diesel Engine fueled with bio-diesel and diesel. The expriment cylinder pressure curves are used to verifies the validity of the models. The simulation results show that the start of combustion time is advance 0.9°CA and the end of combustion is advance 2.5°CA at the same injection advance angle, the Nox emisson increases 17.6% and Soot emission reduces 44% when fueled with bio-diesel compared with diesel. NOx and Soot emission at injection advance angle 17°CA fueled with diesel is the same as injection advance angle 14°CA fueled with bio-diesel.
机译:燃烧和排放模拟模型是使用CFD软件在装有生物柴油和柴油的小型非道路风冷DI柴油机上建立的。实验气缸压力曲线用于验证模型的有效性。仿真结果表明,在相同的喷射提前角下,燃烧开始时间提前0.9°CA,燃烧结束时间提前2.5°CA,使用生物柴油为燃料时,Nox emisson增加17.6%,烟尘排放减少44%与柴油相比。以柴油为燃料的喷射提前角为14°CA时的NOx和烟尘排放与以生物柴油为燃料的喷射提前角14°CA相同。

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