Dynamic Calibration Method of Blast Pressure Pencil Probes Based on Adjustable Shock Tube

被引：1

作者：

Shi, Yucheng ^{[1
]}

Kong, Deren ^{[1
]}

Ma, Xuejiao ^{[1
]}

Zhang, Chunyan ^{[1
]}

机构：

[1] Nanjing Univ Sci & Technol, Sch Mech Engn, Nanjing 210094, Jiangsu, Peoples R China

来源：

IEEE SENSORS JOURNAL | 2023年 / 23卷 / 11期

关键词：

Computational fluid dynamics (CFD); dynamic calibration; pencil probe; shock tube;

D O I：

10.1109/JSEN.2023.3268345

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Dynamic calibration is one of the important ways to obtain the dynamic performance parameters of pressure sensors, and shock tube calibration is a common method for dynamic calibration of pressure sensors. To study the dynamic calibration method of the shock tube of the blast pressure pencil probes, such as free-field pressure sensors and dynamic pressure sensors, a convenient and adjustable unplasticized polyvinyl chloride (PVC-U) shock tube is developed. Taking the dynamic pressure sensor as the research object, the feasibility of dynamic calibration of shock tube based on computational fluid dynamics (CFD) techniques is discussed. Finally, the dynamic calibration experiment based on shock tube is carried out, and the time-domain and frequency-domain signals are analyzed. The results are in good agreement with the theoretical analysis. The results show that the shock tube can effectively excite the natural frequency of the dynamic pressure sensor, and the developed shock tube can indeed achieve the dynamic calibration and dynamic experiments of pencil probes.

引用

页码：11704 / 11712

页数：9

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