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J4  2011, Vol. 45 Issue (11): 2002-2007    DOI: 10.3785/j.issn.1008-973X.2011.11.019
1. 浙江大学 能源工程学系车辆所,浙江 杭州 310027; 2.中国北方发动机研究所,山西 大同 037036
Study on analysis of ring-pack lubricating oil consumption
and improved design
JING Guo-xi1,2, HAO Zhi-yong1, YANG Ji1
1.Department of Energy Engineering, Zhejiang University, Hangzhou 310027, China;
2. China North Engine Research Institute,Datong 037036,China
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By synergetic use of numerical and experimental methods the characteristic of flow-by and lubricating oil consumption (LOC) of one diesel engine was analyzed in order to reduce the engine LOC and provide the improved solution. The predicting model on piston ring package dynamic and LOC was established and calibrated by test data. It shows that the results of interring pressure and axial ring motion can be used to determine the reason that cause either an increase or decrease of LOC and guide improvement design work. In addition, the effects of the clearance between piston land and liner surface on LOC was investigated, and the piston profile and first ring were modified. The test shows that LOC changed significantly after modified, and it has good consistency between simulation results and experimental results.

出版日期: 2011-12-08
:  TK 411  
通讯作者: 郝志勇,男,教授,博导.     E-mail:
作者简介: 景国玺(1984-),男,博士,从事发动机虚拟仿真设计和试验工作
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景国玺,郝志勇,杨骥. 活塞环组机油消耗分析及改进设计[J]. J4, 2011, 45(11): 2002-2007.

JING Guo-xi, HAO Zhi-yong, YANG Ji. Study on analysis of ring-pack lubricating oil consumption
and improved design. J4, 2011, 45(11): 2002-2007.


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