| 汽油机末端气体焰前反应化学动力学模拟的计算方法 |
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| 引用本文： | 李勇,尚秀镜,郑进才,林建生,傅茂林,刘友钧. 汽油机末端气体焰前反应化学动力学模拟的计算方法[J]. 内燃机学报, 1999, 17(4): 348-352 |
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| 作者姓名： | 李勇 尚秀镜 郑进才 林建生 傅茂林 刘友钧 |
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| 作者单位： | 天津大学机械工程学院,天津,300072 |
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| 摘 要： | 利用含有２９个反应式的简化模型对末端气体的焰前反应进行了模拟计算,可以计算出反应过程中的温度、浓度等细节,并由此预测爆震的发生。为实现上述目标,计算方法的选取是关键,本文利用了先进的吉尔（ＧＥＡＲ）算法,由于能够自动变步长地控制精度,在计算速度和计算精度上都得到了令人满意的结果
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| 关 键 词： | 吉尔算法 可控精度 刚性方程组 |
| 修稿时间： | 1998-07-22 |
Computation Methods in a Chemical Kinetics Simulation of End-Gas Pre-Flame Reaction in SI Engine |
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| LI Yong,SHANG Xiu-jing,ZHENG Jin-cai,LIN Jian-sheng,FU Mao-lin,LIU You-jun. Computation Methods in a Chemical Kinetics Simulation of End-Gas Pre-Flame Reaction in SI Engine[J]. Transactions of Csice, 1999, 17(4): 348-352 |
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| Authors: | LI Yong SHANG Xiu-jing ZHENG Jin-cai LIN Jian-sheng FU Mao-lin LIU You-jun |
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| Abstract: | A reduced kinetic model including 29 reactions is used in simulation of pre flame reaction to provide the reaction cedure details,such as spices concentration,temperature history,etc.,in order to predict knock.Calculation method is a key factor,and we used a special method,GEAR method,which controls calculation steps automatically to keep enough precision.The results were encouraging in both calculation speed and precision. |
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| Keywords: | GEAR method Controlled precision Rigid equation group |
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