高压差进气道流动仿真及实验研究

兵工学报 ›› 2011, Vol. 32 ›› Issue (11): 1310-1314.

高压差进气道流动仿真及实验研究

孙利魏¹，苏铁熊¹，许俊峰¹，王强¹，徐春龙²，尤国栋¹

(1.中北大学机电工程学院, 山西太原 030051;2.中国北方发动机研究所山西大同 037036)

收稿日期:2011-01-14 修回日期:2011-01-14 上线日期:2014-05-04
通讯作者: 孙利魏 E-mail:chuangwang.w@gmail.com
作者简介:孙立魏（1965—），博士研究生， Email: chuangwang.w@gmail.com

Numerical and Experimental Study on Gas Intake Process in Diesel with High Pressure Drop

SUN Li-wei¹，SU Tie-xiong¹, XU Jun-feng¹, WANG Qiang¹, XU Chun-long², YOU Guo-dong¹

(1.School of Mechatronics Engineering, North University of China, Taiyuan 030051, Shanxi, China;2.China North Engine Research Institute, Datong 037036, Shanxi, China)

Received:2011-01-14 Revised:2011-01-14 Online:2014-05-04
Contact: SUN Li-wei E-mail:chuangwang.w@gmail.com

摘要/Abstract

摘要： 对柴油机高压差进气道内的流动展开研究。基于AVL软件包建立了高升功率柴油机高压差进气道仿真模型，该模型包含三维稳态分析与一维非定常分析模型，并对高压差进气道进行三维计算流体动力学（CFD）稳态分析，利用分析结果对一维非定常模型进行气门流通系数修正。根据修正的仿真模型进行高升功率柴油机高压差进气道改进设计，经高压差稳态试验验证，所设计的进气道具有良好的进气性能。

关键词: 动力机械工程, 柴油机, 进气, 高压差, 数值仿真, 稳态试验

Abstract: The study focuses on the flow in the intake port of a high-specific-power diesel with high pressure drop. A numerical model for such intake port was built by AVL BOOST and AVL FIRE. The model consists of a 1D unsteady model and a 3D steady one. 3D steady flow of the gas intake port in the diesel with high pressure drop was analyzed. The intake valve flow coefficient of the 1D unsteady model was modified using the 3D numerical result. Then the intake port of such diesel was improved on the basis of the modified numerical model. It can be known from the high-pressure-drop steady flow test that the improved gas intake port provides a fine gas intake performance.

Key words: power machinery and engineering, diesel, gas intake, high pressure drop, numerical simulation, steady flow test

中图分类号:

TK421.3

孙利魏，苏铁熊，许俊峰，王强，徐春龙，尤国栋. 高压差进气道流动仿真及实验研究[J]. 兵工学报, 2011, 32(11): 1310-1314.

SUN Li-wei，SU Tie-xiong, XU Jun-feng, WANG Qiang, XU Chun-long, YOU Guo-dong. Numerical and Experimental Study on Gas Intake Process in Diesel with High Pressure Drop[J]. Acta Armamentarii, 2011, 32(11): 1310-1314.

参考文献

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