| 增压发动机排气歧管开裂原因分析 |
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| 引用本文： | 李启鹏,胡蓉蓉,王勇,李东利,宋志辉,袁爽,沈源,王瑞平. 增压发动机排气歧管开裂原因分析[J]. 小型内燃机与摩托车, 2014, 0(5): 37-41 |
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| 作者姓名： | 李启鹏 胡蓉蓉 王勇 李东利 宋志辉 袁爽 沈源 王瑞平 |
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| 作者单位： | 1. 宁波吉利罗佑发动机零部件有限公司 浙江 宁波 315000
2. 宁波吉利罗佑发动机零部件有限公司 浙江 宁波 315000; 浙江吉利罗佑发动机有限公司 |
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| 基金项目： | 国家高技术研究发展计划(863计划)课题编号2012AA111701。 |
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| 摘 要： | 研究了某款涡轮增压发动机开发过程中出现的排气歧管开裂问题。通过质量检测、CAE分析、推理演绎的方法找出排气歧管开裂的原因,并针对原因给出整改措施,最后通过试验进行验证。为以后出现类似的问题提供了解决思路。
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| 关 键 词： | 排气歧管 开裂 热疲劳 |
Analysis of TC Engine Exhaust Manifold Cracking |
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| Li Qipeng,Hu Rongrong,Wang Yong,Li Dongli,Song Zhihui,Yuan Shuang,Shen Yuan,Wang Ruiping. Analysis of TC Engine Exhaust Manifold Cracking[J]. Small Internal Combustion Engine and Motorcycle, 2014, 0(5): 37-41 |
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| Authors: | Li Qipeng Hu Rongrong Wang Yong Li Dongli Song Zhihui Yuan Shuang Shen Yuan Wang Ruiping |
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| Affiliation: | Li Qipeng, Hu Rongrong, Wang Yong, Li Dongli, Song Zhihui, Yuan Shuang, Shen Yuan, Wang Ruiping(1 Ningbo Geely Royal Engine Components Co., Ltd. (Ningbo, Zhejiang, 315000, China; 2 Zhejiang Geely Royal Engine Co. Ltd.) |
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| Abstract: | In this study, we investigated the reasons why exhaust manifold of a TC engine cracked in the durability test. We figured out the courses by quality inspection, CAE calculation, deducting and reasoning. After that, we optimized the exhaust manifold＇s structures aimed at the causes and proved ours thoughts by durability testing. This study is to suggest an idea about solving the similar problems for design engineers. |
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| Keywords: | Exhaust manifold Crack Thermal fatigue |
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