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Sensors 2016, 16(5), 657; doi:10.3390/s16050657

Dynamic Response Analysis of Microflow Electrochemical Sensors with Two Types of Elastic Membrane

State Key Laboratory of Automotive Simulation and Control, Jilin University, Changchun 130022, China
College of Communication Engineering, Jilin University, Changchun 130022, China
College of Instrumentation and Electrical Engineering, Jilin University, Changchun 130026, China
Author to whom correspondence should be addressed.
Academic Editor: Peter Hauser
Received: 23 February 2016 / Revised: 14 April 2016 / Accepted: 1 May 2016 / Published: 9 May 2016
(This article belongs to the Section Chemical Sensors)
View Full-Text   |   Download PDF [4667 KB, uploaded 9 May 2016]   |  


The Molecular Electric Transducer (MET), widely applied for vibration measurement, has excellent sensitivity and dynamic response at low frequencies. The elastic membrane in the MET is a significant factor with an obvious effect on the performance of the MET in the low frequency domain and is the focus of this paper. In simulation experiments, the elastic membrane and the reaction cavity of the MET were analysed in a model based on the multiphysics finite element method. Meanwhile, the effects caused by the elastic membrane elements are verified in this paper. With the numerical simulation and practical experiments, a suitable elastic membrane can be designed for different cavity structures. Thus, the MET can exhibit the best dynamic response characteristics to measure the vibration signals. With the new method presented in this paper, it is possible to develop and optimize the characteristics of the MET effectively, and the dynamic characteristics of the MET can be improved in a thorough and systematic manner. View Full-Text
Keywords: microflow electrochemical sensor; elastic membrane; multiphysical field finite element microflow electrochemical sensor; elastic membrane; multiphysical field finite element

Figure 1

This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Zhou, Q.; Wang, C.; Chen, Y.; Chen, S.; Lin, J. Dynamic Response Analysis of Microflow Electrochemical Sensors with Two Types of Elastic Membrane. Sensors 2016, 16, 657.

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