| 基于CFD的船用相继增压柴油机切换点燃烧过程对比研究 |
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| 引用本文： | 李昕光,王银燕,张鹏奇.基于CFD的船用相继增压柴油机切换点燃烧过程对比研究[J].船舶工程,2011,33(1):18-20,37. |
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| 作者姓名： | 李昕光 王银燕 张鹏奇 |
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| 作者单位： | 哈尔滨工程大学,动力与能源学院,哈尔滨,150001;东北林业大学,交通学院,哈尔滨,150040;哈尔滨工程大学,动力与能源学院,哈尔滨,150001 |
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| 基金项目： | 先进机型燃油和增压系统反设计研究 |
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| 摘 要： | 利用STAR-CD和GT-Power软件对相继增压柴油机在切换点工况下一台增压器工作(1TC)和两台增压器均工作(2TC)的喷雾、燃烧过程进行了多维瞬态对比研究,通过计算得到了1TC和2TC的缸内气体流场、湍动能、温度场等信息.燃烧过程对比研究表明:相继增压柴油机在切换点工况,1TC的进气量充足,燃空当量比小,缸内燃烧情况更加平稳,因此1TC的缸内平均压力高于2TC,缸内平均温度低于2TC.
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| 关 键 词： | 柴油机 计算流体动力学 相继增压 切换点 燃烧 |
Comparative Study on Combustion Process of STC Diesel Engine on Switching Point Based on the CFD |
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| LI Xin-guang,WANG Yin-yan,ZHANG Peng-qi.Comparative Study on Combustion Process of STC Diesel Engine on Switching Point Based on the CFD[J].Ship Engineering,2011,33(1):18-20,37. |
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| Authors: | LI Xin-guang WANG Yin-yan ZHANG Peng-qi |
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| Institution: | LI Xin-guang1,2,WANG Yin-yan1,ZHANG Peng-qi1(1.Department of Energy and Power Engineering,Harbin Engineering University,Harbin 150001,China,2.Traffic College,Northeast Forestry University,Harbin 150040,China) |
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| Abstract: | A numerical simulation model for the sequential turbo charging(STC) diesel engine was Comparative Study on Combustion Process of STC Diesel Engine on Switching Point Based on the CFD established by STAR-CD and GT-POWER.Based on the model,the combustion process research when one or two turbo worked at the switching point was presented and the cylinder velocity and temperature field were obtained at the switching point.The model results showed that the intake flowrate of 1TC was increased,the mixture formatio... |
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| Keywords: | diesel engine CFD STC sequentially turbo charging switching point combustion |
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