| 风冷汽油机缸盖及活塞不稳定传热研究的对比 |
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| 引用本文： | 蒋炎坤,刘志恩,彭智峰,陈国华.风冷汽油机缸盖及活塞不稳定传热研究的对比[J].车用发动机,2004(3):12-15. |
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| 作者姓名： | 蒋炎坤 刘志恩 彭智峰 陈国华 |
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| 作者单位： | 华中科技大学,能源与动力工程学院,湖北,武汉,430074;华中科技大学,能源与动力工程学院,湖北,武汉,430074;华中科技大学,能源与动力工程学院,湖北,武汉,430074;华中科技大学,能源与动力工程学院,湖北,武汉,430074 |
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| 摘 要： | 结合CUB1004行程汽油机,在试验研究与模拟计算基础上,对过渡工况下缸盖及活塞的不稳定传热进行了对比研究。建立了缸盖及活塞三维有限元不稳定传热计算模型,获得了过渡工况下其表面温度变化特性,并对缸盖及活塞研究方法进行了对比,获得了一些有意义的结论。
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| 关 键 词： | 汽油机 缸盖 活塞 过渡工况 有限元 |
| 文章编号： | 1001-2222(2004)03-0012-04 |
| 修稿时间： | 2003年12月18 |
A Contrast Research of Unsteady Heat Transfer of Cylinder Head and Piston for a Engine |
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| JIANG Yan-kun,LIU Zhi-en,PENG Zhi-feng,CHEN Guo-hua.A Contrast Research of Unsteady Heat Transfer of Cylinder Head and Piston for a Engine[J].Vehicle Engine,2004(3):12-15. |
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| Authors: | JIANG Yan-kun LIU Zhi-en PENG Zhi-feng CHEN Guo-hua |
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| Abstract: | Taking the Model CUB100 as an example, based on experiment and simulation, unsteady heat transfer of cylinder head and piston is studied on engine under transient working condition. A FEM modeling of unsteady heat transfer is established for cylinder head and piston. Temperature field characteristics is obtained under transient working condition and its research method is contrasted and some intended conclusions are obtained. |
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| Keywords: | gasoline engine cylinder head piston transient working condition FEM (Finite Element Method) |
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