| 液体火箭发动机试验动应变参数测量工艺技术 |
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| 引用本文： | 陈海峰,刘英元.液体火箭发动机试验动应变参数测量工艺技术[J].火箭推进,2009,35(6):52-56,61. |
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| 作者姓名： | 陈海峰 刘英元 |
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| 作者单位： | 西安航天动力试验技术研究所,陕西,西安710100 |
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| 摘 要： | 介绍了液体火箭发动机地面试验中动应变测量系统的测量工艺技术。分析了长电缆对应变片灵敏度的影响因素，介绍了应变片的粘贴工艺，分析了动应变测量系统干扰信号的来源和抗干扰的技术措施，同时分析了温度对动应变测量系统的影响及工艺改进方法。
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| 关 键 词： | 动应变 测量工艺 关键技术 |
Dynamic strain parameter measuring technique in liquid rocket engine tests |
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| Chen Haifeng,Liu Yingyuan.Dynamic strain parameter measuring technique in liquid rocket engine tests[J].Journal of Rocket Propulsion,2009,35(6):52-56,61. |
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| Authors: | Chen Haifeng Liu Yingyuan |
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| Institution: | (Xi＇an Aerospace Propulsion Test Technique Institute, Xi＇an 710100, China) |
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| Abstract: | Dynamic strain measuring technique in the liquid rocket engine tests is introduced in this paper. The principle of dynamic strain measuring is introduced firstly and the influence of long cable on the sensitivity of strain sheet is analyzed. The bonding technology of strain sheet is also introduced and the interference signal of the dynamic strain measuring system is analyzed. The influence of temperature on the dynamic strain measuring system and its improving method is also analyzed in the paper. |
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| Keywords: | dynamic strain measuring technology key technique |
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