用于CO2地质封存地震监测的高灵敏度三分量加速度计

IF 4.3 2区综合性期刊 Q1 ENGINEERING, ELECTRICAL & ELECTRONIC

IEEE Sensors Journal Pub Date : 2024-12-20 DOI:10.1109/JSEN.2024.3517744

Jiangshan You;Yilin Wang;Rui Zhou;Xueguang Qiao

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引用次数: 0

摘要

为满足二氧化碳地质封存的地震监测要求，提出了一种高灵敏度的四悬臂梁三分量光纤光栅加速度计。3C加速度计是由三个相同的单元件传感器正确排列和封装在一个圆柱形外壳中。加速度计的理论和传感结构仿真与实验结果吻合。设计的加速度计谐振频率为195 Hz，工作频率带宽为5 ~ 140 Hz， X、Y、z方向灵敏度分别达到1248.9、1267.9、1270.4 pm/g，横向干扰均小于2%。加速度计的优异性能，实现了多维度、高质量的地震波信息采集；因此，加速度计可用于监测二氧化碳的地质封存、动态注入过程以及二氧化碳与地质构造之间的相互作用。

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A High-Sensitivity Three-Component Accelerometer for the Seismic Monitoring of CO2 Geological Sequestration

A highly sensitive four-cantilever beam three-component (3C) fiber grating accelerometer is proposed to meet the seismic monitoring requirements of CO2 geological storage. The 3C accelerometer is properly arranged and encapsulated with three identical single-component sensors in a cylindrical shell. Theoretical and sensing structure simulations of the accelerometer coincide with the experimental results. The resonance frequency of the designed accelerometer is 195 Hz, the operating frequency bandwidth is 5–140 Hz, and the sensitivities in the X-, Y-, and Z-directions reach 1248.9, 1267.9, and 1270.4 pm/g, respectively, and the lateral interferences are all less than 2%. The excellent performance of the accelerometers enables multidimensional and high-quality seismic wave information acquisition; thus accelerometers could be used to monitor CO2 geological sequestration, dynamic

$\text {CO}_{{2}}$

injection processes, and interactions between CO2 and geological formations.

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来源期刊

IEEE Sensors Journal 工程技术-工程：电子与电气

CiteScore

7.70

自引率

14.00%

发文量

2058

审稿时长

5.2 months

期刊介绍： The fields of interest of the IEEE Sensors Journal are the theory, design , fabrication, manufacturing and applications of devices for sensing and transducing physical, chemical and biological phenomena, with emphasis on the electronics and physics aspect of sensors and integrated sensors-actuators. IEEE Sensors Journal deals with the following: -Sensor Phenomenology, Modelling, and Evaluation -Sensor Materials, Processing, and Fabrication -Chemical and Gas Sensors -Microfluidics and Biosensors -Optical Sensors -Physical Sensors: Temperature, Mechanical, Magnetic, and others -Acoustic and Ultrasonic Sensors -Sensor Packaging -Sensor Networks -Sensor Applications -Sensor Systems: Signals, Processing, and Interfaces -Actuators and Sensor Power Systems -Sensor Signal Processing for high precision and stability (amplification, filtering, linearization, modulation/demodulation) and under harsh conditions (EMC, radiation, humidity, temperature); energy consumption/harvesting -Sensor Data Processing (soft computing with sensor data, e.g., pattern recognition, machine learning, evolutionary computation; sensor data fusion, processing of wave e.g., electromagnetic and acoustic; and non-wave, e.g., chemical, gravity, particle, thermal, radiative and non-radiative sensor data, detection, estimation and classification based on sensor data) -Sensors in Industrial Practice