| 液体火箭发动机失效的Weibull分布环境因子 |
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| 引用本文： | 安伟光,周源泉.液体火箭发动机失效的Weibull分布环境因子[J].推进技术,1997,18(3):10-14. |
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| 作者姓名： | 安伟光 周源泉 |
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| 作者单位： | 哈尔滨工程大学建筑工程系!哈尔滨，150001，北京强度与环境研究所!北京，100076 |
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| 摘 要： | 针对液体火箭发动机,给出了检验天地环境下失效机理是否相同的统计方法,基于这个前提,推导了天地环境因子的极大似然估计,并用数值例说明了这些方法。
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| 关 键 词： | 液体推进剂火箭发动机 失效机理 寿命预测 Weibull分布 |
ENVIRONMENTAL FACTOR OF WEIBULL DISTRIBUTION FOR LIQUID ROCKET ENGINE FAILURE |
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| An Weiguang.ENVIRONMENTAL FACTOR OF WEIBULL DISTRIBUTION FOR LIQUID ROCKET ENGINE FAILURE[J].Journal of Propulsion Technology,1997,18(3):10-14. |
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| Authors: | An Weiguang |
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| Institution: | Beijing Iust. of Structure and Environment, Beijing, 100076;Beijing Iust. of Structure and Environment, Beijing, 100076 |
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| Abstract: | A statistical method of constant failure mechanism for liquid rocket engines in groundand flight test environments is presented. A maximum likelihood estimate of flight environmentalfactor is derived. And these methods are illustrated with a numerical example. |
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| Keywords: | Liquid propellant rocket engine Failure mechanism Life prediction Weibulldistribution |
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