A study on gas-liquid two-phase detection technology based on voice coil vibration
A study on gas-liquid two-phase detection technology based on voice coil vibration
- Author(s): W. Maokun 1 ; G. Yibo 1 ; X. Lilin 1
- DOI: 10.1049/icp.2021.0338
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- Author(s): W. Maokun 1 ; G. Yibo 1 ; X. Lilin 1
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View affiliations
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Affiliations:
1:
Aviation Key Laboratory of Science and Technology on Aero Electromechanical System Integration Nanjing Engineering Institute of Aircraft Systems, AVIC , Nanjing, China
Source:
CSAA/IET International Conference on Aircraft Utility Systems (AUS 2020),
2021
p.
49 – 52
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Affiliations:
1:
Aviation Key Laboratory of Science and Technology on Aero Electromechanical System Integration Nanjing Engineering Institute of Aircraft Systems, AVIC , Nanjing, China
- Conference: CSAA/IET International Conference on Aircraft Utility Systems (AUS 2020)
- DOI: 10.1049/icp.2021.0338
- ISBN: 978-1-83953-419-5
- Location: Online Conference
- Conference date: 18-21 September 2020
- Format: PDF
As an indispensable detection technology, Gas-liquid phase detection technology is widely used in sectors such as aviation, petroleum, chemical engineering, energy, etc. The current gas-liquid phase detection methods mainly include mechanical detection, equivalent conductivity detection, photorefractive detection, acoustic wave detection, electromagnetic (optical) wave detection, etc. Each detection method has different characteristics and application scope. In this paper, a technical method for gas-liquid two-phase detection based on voice coil vibration is proposed according to the significant differences in physical properties such as density and viscosity of gas and hydraulic pressure. This paper analyzes the impedance characteristics of the voice coil components, establishes a mathematical model based on the voice coil vibration detection system, conducts principle simulation, and completes the test verification and analysis of the detection method. The gas-liquid two-phase detection method based on voice coil vibration proposed in this paper does not rely on electrical and optical characteristics of the detection object, and has the advantages of high sensitivity and reliability and excellent flexibility.
Inspec keywords: bioacoustics; viscosity; gas sensors; coils; vibrations
Subjects: Chemical sensors; Chemical sensors