一种基于光子多普勒原理的高温振动测量方法探究
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Research on a High Temperature Vibration Measurement Method Based on Photonic Doppler Principle
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    摘要:

    针对重大装备研制试验中面临的高温振动测量问题,建立了一套基于光子多普勒原理的全光纤高温振动测量装置。0~1200 ℃温度范围内开展了振动测量性能测试,试验结果表明该装置实现了最大振动速度1 m/s和最大振动加速度378.4 m/s2的测量,速度灵敏度的幅值线性度小于0.5%,频率响应范围为0~2 kHz,具有很好的稳定性与可靠性,且在800 ℃以上高温振动测量时表现出对被测面反光率要求较低的优势,为应用于航空航天等领域的高温振动测量设备研制提高了重要参考。

    Abstract:

    Aiming at the problem of high temperature vibration measurement in the development and test of major equipment, an all-optical fiber high temperature vibration measurement device based on photon Doppler principle is established. Vibration measurement performance was tested in the temperature range of 0~1200 ℃. The experimental results show that the device can measure the maximum vibration speed of 1 m/s and the maximum vibration acceleration of 378.4 m/s2. The linearity of velocity sensitivity is less than 0.5%, and the frequency response range is 0-2 kHz. It has good stability and reliability. It also shows that the device can measure the vibration at high temperature above 800 ℃. The advantage of low reflectivity requirement improves the important reference for the development of high temperature vibration measurement equipment applied in aerospace and other fields.

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段小艳,张大治.一种基于光子多普勒原理的高温振动测量方法探究[J].计测技术,2019,39(3)::
10.11823/j. issn.1674-5795.2019.03.08.

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  • 在线发布日期: 2019-07-02
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