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柴油机燃烧放热规律的数值模拟

, PP. 37-41

Keywords: 柴油机,燃烧放热率,数值模拟,模拟退火算法,阻尼最小二乘算法,韦伯函数,零维模型

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Abstract:

提出一种将模拟退火算法和阻尼最小二乘算法相结合的改进算法,并将其用于零维燃烧模型的建立.以预测值和实测值的偏差及曲线的拟合优度为衡量标准,对改进算法和传统算法进行比较.结果证明,改进算法具有提高零维燃烧模型精度、减少计算时间及对初值的要求、避免病态矩阵和复数结果出现的优点.

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