Sensor for the Concentration of Small Atmospheric Ions for Field Geophysical Observations

IF 0.3 Q4 GEOCHEMISTRY & GEOPHYSICS

Seismic Instruments Pub Date : 2022-09-30 DOI:10.3103/S0747923922050024

S. V. Anisimov, K. V. Aphinogenov, S. V. Galichenko, A. A. Prokhorchuk

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引用次数: 1

Abstract

The paper presents the results of the analytical and hardware development of a bipolar sensor for the concentration of small atmospheric ions, designed for long-term geophysical field observations. Theoretical estimates of the response function of the sensor are obtained. The dependence of the concentration of small atmospheric ions on the magnitude of the measured current of the aspiration capacitor and ion mobility spectrum is given. Numerical computations of the trajectories of small ions in an aspiration condenser of specified dimensions and geometry are performed. The probability of recording ions depending on their mobility is found. The circuit solutions and algorithms for the functioning of the hardware of the devices are described. Based on the development materials, prototypes of sensors are made. The technical characteristics and recommendations for the use of devices are given. Unlike analogues, the device is resistant to environmental influences. The sensors are tested in laboratory conditions and during the field observations of the electricity of the atmospheric boundary layer. In addition to being used as a part of a ground-based complex for geophysical observations, the developed sensor was used in an instrumental platform for balloon observations aloft. As a result of testing the devices, it was found that the functioning of the sensors is stable and the data are representative.

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用于野外地球物理观测的大气小离子浓度传感器

本文介绍了一种用于长期地球物理野外观测的大气小离子浓度双极传感器的分析和硬件开发结果。得到了传感器响应函数的理论估计。给出了大气小离子浓度与抽吸电容器测量电流大小和离子迁移谱的关系。对特定尺寸和几何形状的吸气冷凝器中小离子的运动轨迹进行了数值计算。发现了记录离子的概率取决于它们的迁移率。描述了器件硬件功能的电路解决方案和算法。在研制材料的基础上，制作了传感器样机。给出了设备的技术特点和使用建议。与类似产品不同，该设备不受环境影响。这些传感器在实验室条件下进行了测试，并在大气边界层电的现场观测期间进行了测试。除了作为地面综合设施的一部分用于地球物理观测之外，开发的传感器还用于高空气球观测的仪器平台。测试结果表明，传感器工作稳定，数据具有一定的代表性。

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来源期刊

Seismic Instruments GEOCHEMISTRY & GEOPHYSICS-

自引率

44.40%

发文量

期刊介绍： Seismic Instruments is a journal devoted to the description of geophysical instruments used in seismic research. In addition to covering the actual instruments for registering seismic waves, substantial room is devoted to solving instrumental-methodological problems of geophysical monitoring, applying various methods that are used to search for earthquake precursors, to studying earthquake nucleation processes and to monitoring natural and technogenous processes. The description of the construction, working elements, and technical characteristics of the instruments, as well as some results of implementation of the instruments and interpretation of the results are given. Attention is paid to seismic monitoring data and earthquake catalog quality Analysis.