| MSEM增压系统一维非定常流计算模型的改进 |
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| 引用本文： | 周建华 顾宏中. MSEM增压系统一维非定常流计算模型的改进[J]. 上海交通大学学报, 1997, 31(9): 26-30 |
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| 作者姓名： | 周建华 顾宏中 |
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| 作者单位： | 上海交通大学动力机械工程系 |
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| 摘 要： | 对ＭＳＥＭ增压系统一维非定常流数值模拟中影响计算精度的四个主要因素：气阀端、变截面段、质量添加段及计算时间步长进行了分析，并提出了改进措施。计算结果表明，流量误差得到显著减小。
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| 关 键 词： | 内燃机 计算模型 特征线法 增压系统 非定常流 |
Amelioration of One Dimensional Unsteady Flow Model for MSEM Turbocharging System |
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| Zhou Jianhua Gu Hongzhong. Amelioration of One Dimensional Unsteady Flow Model for MSEM Turbocharging System[J]. Journal of Shanghai Jiaotong University, 1997, 31(9): 26-30 |
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| Authors: | Zhou Jianhua Gu Hongzhong |
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| Abstract: | The four factors which have the major influence on the simulation of MSEM turbocharging sysytem with one dimensional unsteady flow are analysed, and the improved models are presented. The results show that the flow precision is higher than before. |
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| Keywords: | internal combustion engine simulation model characteristic method fill and empty method |
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