| Issue |
MATEC Web of Conferences
Volume 35, 2015
2015 4th International Conference on Mechanics and Control Engineering (ICMCE 2015)
|
|
|---|---|---|
| Article Number | 06003 | |
| Number of page(s) | 4 | |
| Section | Sensor design and application of technology | |
| DOI | https://doi.org/10.1051/matecconf/20153506003 | |
| Published online | 16 December 2015 | |
Research on the influence of dimension and location of reflective film on the resonance frequency of quartz tuning fork
School of mechanical engineering, Xi’an Jiaotong University, Xi’an, Shannxi, China
a Corresponding author: shjia@mail.xjtu.edu.cn
We studied the effected of dimension and location of reflective film on the resonance frequency. Simulation results indicate that the location of reflective film has a greater impact on the resonance frequency of QTF. The higher the position of reflective film, the lower the resonance frequency of QTF. Furthermore, the resonance frequency can also be affected by the dimension of reflective film. However, the reflective film in the middle of the QTF arm is not sensitive to the dimension of reflective film. The frequency is close to the resonance frequency of the QTF model without reflective film, it is about 30259Hz. We can increase the length and width of reflective film to improve the laser reflection on the QTF surface. Therefore, this position is suitable for the detection of photo-acoustic spectroscopy. The analysis results provide a theoretical basis for researching new photo-acoustic spectrum remote sensing device.
Key words: Resonance frequency / Location of reflective film / Dimension of reflective film / Quartz tuning fork
© Owned by the authors, published by EDP Sciences, 2015
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