| 柴油机内壁的温度振荡及交变热应力 |
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| 引用本文： | 雷晓蔚,赵晓雨.柴油机内壁的温度振荡及交变热应力[J].西南师范大学学报(自然科学版),2002,27(3):338-340. |
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| 作者姓名： | 雷晓蔚 赵晓雨 |
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| 作者单位： | 1. 渝西学院物理学与电子信息工程系,重庆,402160
2. 四川师范大学物理系,成都,610068 |
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| 摘 要： | 从零件表面产生热疲劳裂纹的机理入手，延用波的传播理论，研究了柴油机内壁的温度振荡和交变热应力，讨论了交变热应力对零件表面的影响及减小其破坏性的方法。
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| 关 键 词： | 柴油机 内壁 热疲劳裂纹 温度振荡 交变热应力 交变换热系数 燃烧室 |
| 文章编号： | 1000-5471(2002)03-0338-03 |
| 修稿时间： | 2001年4月20日 |
The Temperature Oscillation and Alternating Thermal Stress in the Wall of Combustion Chamber of Diesel Engine |
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| LEI Xiao wei ,\ ZHAO Xiao yu Dept. of Physics,Western Chongqing University,Chongqing ,China, Dept.of Physics,Sichuan Normal University,Chengdu Sichuan ,China.The Temperature Oscillation and Alternating Thermal Stress in the Wall of Combustion Chamber of Diesel Engine[J].Journal of Southwest China Normal University(Natural Science),2002,27(3):338-340. |
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| Authors: | LEI Xiao wei \ ZHAO Xiao yu Dept of Physics Western Chongqing University Chongqing China Deptof Physics Sichuan Normal University Chengdu Sichuan China |
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| Institution: | LEI Xiao wei 1,\ ZHAO Xiao yu 2 1 Dept. of Physics,Western Chongqing University,Chongqing 402160,China, 2 Dept.of Physics,Sichuan Normal University,Chengdu Sichuan 610068,China |
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| Abstract: | Through illustrating the principle of the thermal fatigue crack in the surface of machine parts, and using the wave spreading theory, the paper focuses on the temperature oscillation in the wall of Combustion Chamber of diesel engine and the effects of the alternating thermal stress on the surface of machine parts, and then puts forward how to decrease the destructive effects. |
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| Keywords: | thermal fatigue temperature oscillation alternating thermal stress alternating heat exchange coefficients |
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