面向导弹延寿的冲压发动机加速贮存试验方法
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摘要
目的更为真实地反映自然贮存环境对某型导弹冲压发动机寿命的影响,研究综合环境应力加速贮存试验方法。方法为了符合自然环境的年变化规律,设计1个周期的综合环境应力加速贮存试验能够等效产品自然贮存1年,每个周期的加速贮存试验包括低温冷冻、高低温交变加速、高温高湿加速、高温老化4部分。采用加速模型估计出每段加速试验的加速因子,进而依据自然贮存环境测试数据折算出加速试验谱。结果所提方法提高了冲压发动机加速贮存试验的科学性与准确性。结论研究工作为高效完成导弹冲压发动机贮存延寿任务提供了可行的工程方法。
Objective To reflect the effect of natural storage environment on the life of a missile ramjet and study the accelerated storage test method based on comprehensive environmental stresses. Methods To accord with the annual changing rule of natural environment, a one-cycle comprehensive environmental stress accelerated storage test was designed to be equivalent to the natural storage during one year. The accelerated storage test of each circle contained four parts: low temperature refrigeration, high-low temperature alternated acceleration, high temperature and high humidity acceleration and high temperature acceleration. The acceleration factor for each environmental stress was estimated via the acceleration model, and then the acceleration test spectrum was transformed from the collected data of natural storage environment. Results The proposed method improved the science and accuracy of accelerated storage test for ramjet. Conclusion The research work provides an effective engineering approach for efficient life extension of ramjet.
Objective To reflect the effect of natural storage environment on the life of a missile ramjet and study the accelerated storage test method based on comprehensive environmental stresses. Methods To accord with the annual changing rule of natural environment, a one-cycle comprehensive environmental stress accelerated storage test was designed to be equivalent to the natural storage during one year. The accelerated storage test of each circle contained four parts: low temperature refrigeration, high-low temperature alternated acceleration, high temperature and high humidity acceleration and high temperature acceleration. The acceleration factor for each environmental stress was estimated via the acceleration model, and then the acceleration test spectrum was transformed from the collected data of natural storage environment. Results The proposed method improved the science and accuracy of accelerated storage test for ramjet. Conclusion The research work provides an effective engineering approach for efficient life extension of ramjet.
引文
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[16]WANG H W,XI W J.Acceleration Factor Constant Principle and the Application under ADT[J].Quality and Reliability Engineering International,2016,32(7):2591-2600.
[2]ESCOBAR L A,MEEKER W Q.A Review of Accelerated Test Models[J].Statistical Science,2006,21(4):552-577.
[3]孟涛,张仕念,易当祥,等.导弹贮存延寿技术概论[M].北京:中国宇航出版社,2013.
[4]陈万创,王大为.导引头设备综合环境应力可靠性试验[J].制导与引信,2004,25(2):1-6.
[5]易当祥,李祥臣,田春祥,等.导弹产品湿热载荷统计分析与载荷谱设计[J].强度与环境,2013,40(1):50-53.
[6]张生鹏,李宏民,赵朋飞.导弹装备贮存寿命加速试验技术体系探讨[J].装备环境工程,2018,15(2):92-96.
[7]祝学军,管飞,王洪波,等.战术弹道导弹贮存延寿工程基础[M].北京:中国宇航出版社,2015.
[8]王浩伟,徐廷学,赵建忠.融合加速退化和现场实测退化数据的剩余寿命预测方法[J].航空学报,2014,35(12):3350-3357.
[9]张仕念,何敬东,颜诗源,等.导弹贮存延寿的技术途径及关键技术[J].装备环境工程,2014,11(4):37-41.
[10]张仕念,颜诗源,徐军,等.导弹弹上仪器工作寿命考核方法探讨[J].电子产品可靠性与环境试验,2017,35(2):1-4.
[11]王浩伟,滕克难,奚文骏.非恒定环境下基于载荷谱的导弹部件寿命预测[J].兵工学报,2016,37(8):1524-1529.
[12]王浩伟,滕克难.基于加速退化数据的可靠性评估技术综述[J].系统工程与电子技术,2017,39(12):2877-2885.
[13]JAKOB F,KIMMELMANN M,BERTSCHE B.Selection of Acceleration Models for Test Planning and Model Usage[J].IEEE Transactions on Reliability,2017,66(2):298-308.
[14]MCLINN J A.Understanding Accelerated Degradation[J].IEEE Transactions on Reliability,2016,65:1-8.
[15]陈循,张春华,汪亚顺,等.加速寿命试验技术与应用[M].北京:国防工业出版社,2013.
[16]WANG H W,XI W J.Acceleration Factor Constant Principle and the Application under ADT[J].Quality and Reliability Engineering International,2016,32(7):2591-2600.