摘要
针对某液体火箭发动机低温试验中暴露出铠装温度传感器选型不匹配、动态响应过大、低温测量偏差等故障,重点阐述了铠装温度传感器的测量原理以及工作特性,分析了影响铠装传感器低温测量的主要因素,结合在低温测量使用过程中出现的故障案例,详细分析了引起问题的原因,提出处理措施、排除故障方法,确保了低温试验测量数据的真实性、准确性。
In the low-temperature test of a liquid rocket engine,faults are exposed such as armoured temperature sensor type selection,excessive dynamic response,and low-temperature measurement deviation.The measuring principle and working characteristics of armoured temperature sensor are expounded,the main factors affecting the low-temperature measurement of armoured temperature sensor are analyzed.The causes of the problems are analyzed in detail,the treatment measures and the methods of troubleshooting are put forward to ensure the authenticity and accuracy of the measurement data of low-temperature test.
作者
李万杰
王玉铭
窦双庆
Li Wanjie;Wang Yuming;Dou Shuangqing(Xi’an Aerospace Propulsion Test Technique Institute,Xi’an 710100)
出处
《航天制造技术》
2022年第4期25-28,共4页
Aerospace Manufacturing Technology
关键词
低温测量
铠装温度传感器
故障分析
low temperature measurement
armoured temperature sensor
fault analysis
