摘要
以直喷式柴油机为研究对象,模拟气缸中活塞顶部燃烧过程,借助计算流体动力学(Computational Fluid Dynamics,简称CFD)软件FLUENT,建立内燃机中流体的动力学模型,对湍流模型和燃烧过程进行研究。模拟结果与实验结果相比,具有相适应性。模拟结果同时获得了气缸内部流体流动、燃烧过程和介质的详细数据,为柴油机燃烧、性能和排放研究提供依据。
the paper studies the direct injection diesel engine .Stimulation is made to understand the burn‐ing process on the top of cylinder piston .The FLUENT software for calculating the Computational Fluid Dy‐namics (CFD) is adopted to establish the dynamic model of fluid in internal -combustion engine and analyze the turbulence model and burning process .The simulation and experiment results are compared .The detailed data concerning the fluid flow ,burning process and medium within the cylinder acquired during stimulation provide the basis for research on burning ,performance ,and discharge of diesel engine .
出处
《天津职业院校联合学报》
2015年第11期62-68,共7页
Journal of Tianjin Vocational Institutes
关键词
数值模拟
非定常流动
燃烧
柴油机
numerical modelling
nonsteady flow
burning
diesel engine
