| 汽油机燃烧沉积物的热物性及其对传热的影响 |
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| 引用本文： | 史绍熙,赵奎翰.汽油机燃烧沉积物的热物性及其对传热的影响[J].天津大学学报(自然科学与工程技术版),1994,27(3):257-264. |
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| 作者姓名： | 史绍熙 赵奎翰 |
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| 作者单位： | 内燃机燃烧学国家重点实验室 |
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| 摘 要： | 试验在１６５Ｆ汽车机上进行，发动机运转一定时间后，从缸盖取下燃烧沉积样品，用电子扫描显微镜分析其微结构，用激光热导仪测定沉积物的比热和导热系数，利用表面温度方法研究了燃烧沉积物对燃烧室壁面传热的影响。
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| 关 键 词： | 汽油机 燃烧沉积物 热物性 传热 |
STUDY ON THERMAL PROPERTIES OF COMBUSTION DEPOSITS AND THEIR EFFECTS ON HEAT TRANSFER IN SI ENGINES |
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| Shi Shaoxi,Zhao Kuihau,Zhu Liyong,Meng Qiug,Xu Zkenzhong.STUDY ON THERMAL PROPERTIES OF COMBUSTION DEPOSITS AND THEIR EFFECTS ON HEAT TRANSFER IN SI ENGINES[J].Journal of Tianjin University(Science and Technology),1994,27(3):257-264. |
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| Authors: | Shi Shaoxi Zhao Kuihau Zhu Liyong Meng Qiug Xu Zkenzhong |
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| Institution: | National Engine Combustion Laboratory |
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| Abstract: | This paper reports the results of a study on thermal properties of combustiondeposits and their effects on heat transfer to combustion chamber wall in spark ignition engines.The experimental work was carried out on a 165F gasoline engine.The microstructure of the deposits on the cylinder head was studied by a scanning electronic microscope analyser.The specificheat and thermal conductivity of deposits were investigated by a computer-controlled laserthermal diffusivity measuring system.By using the surface temperature method effects of combustion deposits on heat transfer to combustion chamber wall were studied. |
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| Keywords: | combustion deposits in the gasoline engine thermal properties instantaneoustemperature measurement |
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