舰船电子工程Issue(7)：188-193,6.DOI:10.3969/j.issn1672-9730.2014.07.048
某型柴油机活塞三维有限元耦合分析
Three-Dimensional Finite Element Coupled Analysis of a Diesel Engine Piston
查长松 1刘琦2
作者信息
- 1. 海军驻芜湖地区军事代表室 芜湖 241000
- 2. 海军工程大学动力工程学院 武汉 430033
- 折叠
摘要
Abstract
The paper analyzed the temperature field and the thermal stress field of a diesel engine piston with finite ele-ment analysis software ANASYS ,then used the thermal-mechanism indirect coupled method ,researched the coupled stress field of piston .The result indicated that the point of the highest temperature located on the middle of firebox which under the dangerous temperature of the material ;under thermal stress effect ,the maximum displacement of the piston did not exceed the clearance between piston and cylinder liner ,but the non-roundness at the third ring reached 0 .08mm ,which had some in-fluence on the airproof and lubricate of piston ;under thermal-mechanism coupled effect ,the point of maximum stress located on the interface of the seat of the pin and the pin hole ,so as the top on the pin hole and inner on the seat of pin ,so it was recommended to set rib between cervix and the seat of pin of piston to enhance the practical carrying capacity of the seat of the pin .关键词
活塞/温度场/热应力/耦合应力Key words
piston/temperature field/thermal stress/coupled stress分类
机械制造引用本文复制引用
查长松,刘琦..某型柴油机活塞三维有限元耦合分析[J].舰船电子工程,2014,(7):188-193,6.
