| 船用柴油机电控喷油器针阀偶件耐久性分析 |
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| 引用本文： | 孔晨,金江善,徐建新,金锋.船用柴油机电控喷油器针阀偶件耐久性分析[J].柴油机,2023,45(1):34-38. |
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| 作者姓名： | 孔晨 金江善 徐建新 金锋 |
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| 作者单位： | 上海船用柴油机研究所,上海 201108;船舶与海洋工程特种装备和动力系统国家工程研究中心,上海 201108,上海船用柴油机研究所,上海 201108;船舶与海洋工程特种装备和动力系统国家工程研究中心,上海 201108,上海船用柴油机研究所,上海 201108;船舶与海洋工程特种装备和动力系统国家工程研究中心,上海 201108,上海船用柴油机研究所,上海 201108 |
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| 基金项目： | 上海市优秀技术带头人项目（19XD1433600）；船舶与海洋工程特种装备和动力系统国家工程研究中心资助项目 |
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| 摘 要： | 针对电控燃油喷射系统中针阀偶件的耐久性问题，对某型电控喷油器原理进行阐述，分析针阀偶件可能的失效机理。通过建模与仿真，在机理分析的基础上重点对冲击疲劳寿命进行预测分析。通过试验对针阀偶件失效机理及预测寿命的准确性进行验证。试验结果证明耐久性分析模型有效，可为同类部件的耐久性分析提供参考，并为电控喷油器寿命设计优化提供支撑。
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| 关 键 词： | 柴油机 电控喷油器 针阀偶件 失效 耐久性 |
| 收稿时间： | 2021/12/29 0:00:00 |
| 修稿时间： | 2022/4/22 0:00:00 |
Durability Analysis of Needle Valve Assembly of Electronic Fuel Injector for Marine Diesel Engine |
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| KONG Chen,JIN Jiangshan,XU Jianxin and JIN Feng.Durability Analysis of Needle Valve Assembly of Electronic Fuel Injector for Marine Diesel Engine[J].Diesel Engine,2023,45(1):34-38. |
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| Authors: | KONG Chen JIN Jiangshan XU Jianxin and JIN Feng |
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| Affiliation: | Shanghai Marine Diesel Engine Research Institute,Shanghai 201108,China;National Engineering Research Center of Special Equipment and Power System for Ship and Marine Engineering,Shanghai 201108,China,Shanghai Marine Diesel Engine Research Institute,Shanghai 201108,China;National Engineering Research Center of Special Equipment and Power System for Ship and Marine Engineering,Shanghai 201108,China,Shanghai Marine Diesel Engine Research Institute,Shanghai 201108,China;National Engineering Research Center of Special Equipment and Power System for Ship and Marine Engineering,Shanghai 201108,China,Shanghai Marine Diesel Engine Research Institute,Shanghai 201108,China |
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| Abstract: | |
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| Keywords: | diesel engine electronically controlled injector needle valve assembly failure durability |
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