Three‐hot‐wire acoustic particle velocity sensor with improved detection capability

2019 ◽  
Vol 55 (4) ◽  
pp. 201-202 ◽  
Author(s):  
Zhe Li ◽  
Wenhan Chang ◽  
Chengchen Gao ◽  
Yilong Hao
Keyword(s):  
Particle Velocity ◽  
Hot Wire ◽  
Detection Capability ◽  
Velocity Sensor

An L-Shaped 2-Dimensional Particle Velocity Sensor

2021 ◽  
Author(s):  
Zhezheng Zhu ◽  
Lingmeng Yang ◽  
Wenhan Chang ◽  
Chengchen Gao ◽  
Yilong Hao ◽  
...  
Keyword(s):  
Particle Velocity ◽  
Velocity Sensor

Analysis of Heat Transfer in Particle Velocity Sensor with Three-Wire Configuration

2020 ◽  
Author(s):  
Zhu Linhui ◽  
Shen Jienan ◽  
Zeng Yibo ◽  
Guo Hang
Keyword(s):  
Heat Transfer ◽  
Temperature Distribution ◽  
Forced Convection ◽  
Analytical Model ◽  
Particle Velocity ◽  
Structure Design ◽  
Distribution Model ◽  
Thermal Perturbation ◽  
Velocity Sensor ◽  
Perturbation Field

Abstract Particle velocity sensor (PVS) plays an important role in determining the type and location of a sound source. In this presentation, analytical model of heat transfer in PVS with a three-wire (SHS) configuration was first presented. By comparing with the thermal diffusion motion, the forced convection exerts a smaller influence on the temperature distribution. Thus, variation in forced convection could induce the formation of a thermal perturbation field. The overall temperature distribution model of a PVS is made up of a steady temperature field and a thermal perturbation field. With the derived model, PVS with SHS configuration has smaller thermal noise and higher signal-to-noise ratio in comparision with a two-wire (SS) configuration under the same conditions. Optimized parameters of structure design and heating power could be obtained via the analysis model. Also, this model gives optimal output performance and frequency-dependent characteristic curve. Numerical results are found to be in good agreement with the analytical solutions and experimental data, which verify the correctness of analytical model and numerical method. The study provides a basis for a theoretical and numerical analysis.

Simultaneous Calibration Method for a 3D Particle Velocity Sensor

2017 ◽  
Vol 103 (2) ◽  
pp. 252-261 ◽  
Author(s):  
Jochen Metzger ◽  
Manfred Kaltenbacher
Keyword(s):  
Particle Velocity ◽  
Calibration Method ◽  
Velocity Sensor
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