| 柴油机气缸盖/气缸套之间的密封性能研究 |
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| 引用本文： | 廖日东,左正兴.柴油机气缸盖/气缸套之间的密封性能研究[J].兵工学报,2000,21(1):5-9. |
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| 作者姓名： | 廖日东 左正兴 |
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| 作者单位： | 北京理工大学车辆传动国家重点实验室,北京,100081 |
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| 摘 要： | 针对12V型整体式气缸盖柴油机的气缸盖/气缸套密封系统，采用有限元法，研究了固紧螺栓预紧力大小及分配、固紧螺栓位置、气缸盖材料等因素对密封系统性能的影响规律。对确定的气缸爆发压力，计算出了理论上能保证密封的最小预紧力。得出的结论有益于对整体式气缸盖柴油机的改进设计。文中计算采用了SDRC公司的I-DEAS
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| 关 键 词： | 柴油机 气缸盖 密封 有限元法 |
| 修稿时间： | 1999-06 |
A STUDY ON THE SEALING PERFORMANCE BETWEEN CYLINDER HEAD AND CYLINDER SLEEVE IN DIESEL ENGINES |
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| Liao Ridong,Zuo Zhengxing.A STUDY ON THE SEALING PERFORMANCE BETWEEN CYLINDER HEAD AND CYLINDER SLEEVE IN DIESEL ENGINES[J].Acta Armamentarii,2000,21(1):5-9. |
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| Authors: | Liao Ridong Zuo Zhengxing |
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| Abstract: | With the help of CAD and FEM, the influence of
bolt pretightening force distribution, bolt positioning and material of cylinder head on
the sealing performance between the cylinder head and cylinder sleeve in a 12V diesel
engine with integrated cylinder head are studied. For the specified in-cylinder pressure,
the minimum pretightening force is calculated in theory. The conclusions derived are of
benefit to the improvement of the diesel engine with integrated cylinder head. SDRC's
I-DEASTM software has been used in building up the models and performing the
finite element calculations. |
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| Keywords: | diesel engine cylinder head sealing finite element method |
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