Health Monitoring and Diagnosis of Solid Rocket Motors with Bore Cracks

Le Anhduong Q.; Sun L. Z.; Miller Timothy C.

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Health Monitoring and Diagnosis of Solid Rocket Motors with Bore Cracks

机译：带孔固体火箭发动机的健康监测与诊断

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A finite-element-based computational model is used to investigate the effects of bore cracking on stress distributions in solid rocket motors (SRMs) at various storage temperatures. Capabilities of a rocket-motor health-monitoring system are assessed based on the assumption that the proposed stress sensors are evenly distributed along the circumference of the inside of the motor case. A quantitative relationship is obtained between the crack depth and the sensor data to inversely estimate the size of bore cracks in the motor. It is shown that the proposed type of sensing system can detect critical bore cracks in SRMs. (C) 2015 American Society of Civil Engineers.

机译：基于有限元的计算模型用于研究在不同存储温度下开孔对固体火箭发动机（SRM）应力分布的影响。基于以下假设，评估了火箭发动机健康监测系统的功能：所提出的应力传感器沿发动机壳体内部的圆周均匀分布。在裂纹深度和传感器数据之间获得定量关系，以反向估计电动机中的孔裂纹的大小。结果表明，所提出的感应系统类型可以检测SRM中的关键孔裂纹。（C）2015年美国土木工程师学会。

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来源
《Journal of aerospace engineering》 |2016年第3期|04015058.1-04015058.10|共10页
作者
Le Anhduong Q.; Sun L. Z.; Miller Timothy C.;
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作者单位

Univ Calif Irvine, Dept Civil & Environm Engn, Irvine, CA 92697 USA;

Univ Calif Irvine, Dept Civil & Environm Engn, Irvine, CA 92697 USA;

Air Force Res Lab, RQRP Branch, 10 East Saturn Blvd, Edwards AFB, CA 93524 USA;

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正文语种 eng
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关键词
Structural health monitoring; Structural integrity; Damage detection; Stress sensor; Temperature sensor; Rocket propellant; Solid rocket motor;

机译：结构健康监测;结构完整性;损伤检测;应力传感器;温度传感器;火箭推进剂;固体火箭发动机;

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1. Development of Simultaneous Measurement System for Strains and AE Using Multiple FBG Sensors(For Structural Health Monitoring of Solid Space Rocket Composite Motor Case) [J] . NAKAJIMA Tomio, SATO Eiichi, TSUDA Hiroshi, IHI engineering review . 2015,第1期

机译：多个FBG传感器对菌株和AE的同时测量系统的开发（用于固体火箭复合发动机壳体的结构健康监测）
2. Development of Simultaneous Measurement System for Strain and AE Using FBG Sensors for Structural Health Monitoring of Solid Rocket Motor Composite Chamber [J] . Tomio NAKAJIMA, Eiich SATO, Hiroshi TSUDA, Journal of Solid Mechanics and Materials Engineering . 2013,第2期

机译：利用FBG传感器进行固体火箭发动机复合腔结构健康监测的应变和声光同时测量系统的开发。
3. Failure Mode Avoidance of Solid Rocket Motor Pressure Monitoring Joint Seals [J] . V. Murugesan, P. S. Sreejith, A. K. Anilkumar, Journal of Failure Analysis and Prevention . 2017,第6期

机译：故障模式避免固体火箭电机压力监测联合密封件
4. Development of an Active Sensing Method for Health Monitoring of Solid Rocket Motors [C] . Craig Lopatin, Dan Grinstein 54th Israel annual conference on aerospace sciences : program . 2014

机译：固体火箭发动机健康监测主动传感方法的发展
5. UNSTEADY THREE-DIMENSIONAL SUBSONIC FLOW IN A SOLID PROPELLANT ROCKET MOTOR INCLUDING THE EFFECT OF MOTOR ROTATION. [D] . BROWN, JEFFREY JONATHAN. 1980

机译：固体推进剂火箭发动机中的非定常三维次声流，包括电机旋转的影响。
6. Transformation of Combustion Nanocatalysts inside Solid Rocket Motor under Various Pressures [O] . Jun-Qiang Li, Linlin Liu, Xiaolong Fu, 2019

机译：固体火箭发动机内燃烧纳米催化剂在不同压力下的转化
7. Integrated Vehicle Health Management for Solid Rocket Motors [O] . D. G. Luchinsky, V. V. Osipov, V. N. Smelyanskiy, 2015

机译：固体火箭发动机综合车辆健康管理
8. Health Monitoring and Diagnosis of Solid Rocket Motors with Bore Cracks. [R] . Le, A. Q., Sun, L. Z., Miller, T. C. 2015

机译：带裂纹的固体火箭发动机健康监测与诊断。

Health Monitoring and Diagnosis of Solid Rocket Motors with Bore Cracks

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