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CIESC Journal
• 流体力学与传递现象 • 上一篇 下一篇
刘戈,解茂昭,贾明
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LIU Ge,XIE Maozhao,JIA Ming
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The representative interactive flamelets(RIF)model was coupled with the large eddy simulation(LES)method to predict the turbulent combustion in a diesel engine.The new approach is specifically suitable for the simulation of the complicated combustion processes in internal combustion engines because the multi-scale and highly-transient turbulent motion can be well reproduced,and detailed chemical mechanism can be used.By combining the KIVALES-RIF code developed in previous work with a reduced n-heptane oxidation mechanism,the combustion processes and emission characteristics of a single-cylinder version of the Caterpillar 3400 series heavy-duty diesel engine was simulated under the baseline operating condition.The results indicated that the predicted ignition delay,in-cylinder pressure,heat release rate and pollutants emission levels were in good agreements with the experimental results.Comparison between the predictions of the Reynolds averaged Navier-Stokes(RANS)method and the LES method showed that the turbulence model played an extremely important role in the prediction of the combustion processes.
刘戈,解茂昭,贾明. 基于互动小火焰模型的内燃机燃烧过程大涡模拟 [J]. CIESC Journal.
LIU Ge,XIE Maozhao,JIA Ming. Large eddy simulation of combustion processes in ICE based on RIF model[J]. .
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https://hgxb.cip.com.cn/CN/Y2011/V62/I9/2490