Structural analysis of cylinder head cracking in a heavy-duty diesel engine

被引：1
|
作者：
Luo, JY [1 ]
Korte, CJ [1 ]
机构：
[1] Cummins Engine Co Inc, Columbus, IN 47202 USA
来源：
JOURNAL OF ENGINEERING FOR GAS TURBINES AND POWER-TRANSACTIONS OF THE ASME | 1998年 / 120卷 / 02期
关键词：
D O I：
10.1115/1.2818140
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
There were fatigue cracking problems at the intake ports of a prototype heavy-duty six-cylinder head. Several proposals of design change were evaluated by finite element and reliability analysis. Constant amplitude loading and monotonic temperature-dependent properties of the head material are assumed. An equivalent stress-strain parameter (ESSP) is proposed to consider multiaxial stress/strain effect on fatigue cracking. A significant reliability improvement was predicted with cost savings and verified by limited engine tests.
引用
收藏
页码：424 / 428
页数：5
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