| 炭化层对粒子反弹系数测量实验研究 |
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| 引用本文： | 徐义华,胡春波,李江. 炭化层对粒子反弹系数测量实验研究[J]. 弹箭与制导学报, 2011, 31(1): 119-122 |
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| 作者姓名： | 徐义华 胡春波 李江 |
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| 作者单位： | 徐义华,XU Yihua(西北工业大学固体火箭发动机燃烧、热结构与内流场国防科技实验室,西安,710072;南昌航空大学,南昌,330063);胡春波,李江,HU Chunbo,LI Jiang(西北工业大学固体火箭发动机燃烧、热结构与内流场国防科技实验室,西安,710072) |
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| 基金项目： | 国家自然科学基金，武器装备预研基金 |
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| 摘 要： | 炭化层粒子的反弹系数是固体火箭发动机中两相流动计算的一个重要参数。文中设计并建立了测量粒子侵蚀炭化层反弹系数的实验系统,应用直径为1.5mm的粒子对炭化层进行了不同角度下的侵蚀反弹试验,测得各入射角下的法向及切向反弹系数。通过对实验数据应用准牛顿优化算法进行三次方多项式拟合得到法向反弹系数和切向反弹系数随侵蚀角的变化关系式,可为粒子对绝热材料的侵蚀力的计算及固体火箭发动机两相流动计算提供参考。
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| 关 键 词： | 粒子侵蚀 三元乙丙 炭化层 反弹系数 |
The Experimental Research on Measurement of Rebound Coefficient for Particle Impacting Charring-layer |
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| XU Yihua,HU Chunbo,LI Jiang. The Experimental Research on Measurement of Rebound Coefficient for Particle Impacting Charring-layer[J]. Journal of Projectiles Rockets Missiles and Guidance, 2011, 31(1): 119-122 |
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| Authors: | XU Yihua HU Chunbo LI Jiang |
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| Affiliation: | XU Yihua1,2,HU Chunbo1,LI Jiang1(1 National Key Laboratory of Combustion,Flow and Thermal-structure,Northwestern Polytechnical University,Xi'an 710072,China,2 Nanchang Hangkong University,Nanchang 330063,China) |
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| Abstract: | The rebound coefficient of particle impacting charring-layer is one of important parameters for simulation of two-phase flow in the solid rocket motor.The experimental system for measuring rebound coefficient of particle impacting charring-layer was designed and constituted.The experiment of particle with 1.5mm diameter eroding charring-layer and rebounding was carried out at the different incident angle.The normal and tangential rebound coefficients were measured.The cube polynomial of normal and tangentia... |
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| Keywords: | particle erosion ethylene propylene diene monomer charring-layer rebound coefficient |
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