Gang CHENG, Jia-jin CHEN, Ya-nan CAO, Xing TIAN, Kun LIU, Yuan CAO. Influence of Cylindrical Photoacoustic Cell Structure and Environmental Factors on Acoustic Eigenfrequency[J]. Acta Photonica Sinica, 2020, 49(2): 0230001
- Acta Photonica Sinica
- Vol. 49, Issue 2, 0230001 (2020)
Fig. 1. 圆柱形光声池结构组成Structure composition of cylindrical photoacoustic cell
Fig. 2. 光声光谱气体检测实验系统示意图Schematic diagram of photoacoustic spectrum gas detection experimental system
Fig. 3. 光声池声学有限元模型与仿真结果Acoustic finite element model and simulation results of photoacoustic cell
Fig. 4. 进、出口孔几何参数影响Influence of geometric parameters of inlet and outlet
Fig. 5. 谐振腔几何参数影响Influence of geometric parameters of resonator
Fig. 6. 缓冲腔长度影响Effect of buffer length
Fig. 7. 缓冲腔半径影响Effect of buffer radius
Fig. 8. 温度因素影响Effect of temperature
Fig. 9. 相对湿度因素影响Effect of humidity
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Table 1. Acoustic eigenfrequency resultsby photoacoustic cell theory, finite element simulation and experiment
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Table 2. Saturated vapor pressure of water at different temperatures
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