Bu-Qiang Zhang, Zhen-Yu Xu, Jian-Guo Liu, Lu Yao, Jun Ruan, Jia-Yi Hu, Hui-Hui Xia, Wei Nie, Feng Yuan, Rui-Feng Kan. Temperature measurement method of high temperature and high pressure flow field based on wavelength modulation spectroscopy technology [J]. Acta Physica Sinica, 2019, 68(23): 233301-1
- Acta Physica Sinica
- Vol. 68, Issue 23, 233301-1 (2019)
Fig. 1. Simulated absorbance at different pressures: (a) Line1; (b) line2; (c) line3.
模拟不同压强下的吸光度 (a) Line1; (b) line2; (c) line3
Fig. 2. The peak ratio of 2f /1f of the two pairs of absorption lines obtained by simulation varies with temperature and concentration: (a) Line2& Line1; (b) Line2& Line3.
模拟两对吸收线2f /1f 峰值比随温度和浓度变化 (a) Line2& Line1; (b) Line2& Line3
Fig. 3. Process of temperature inversion.温度反演流程
Fig. 4. Device diagram of field test.现场实验装置图
Fig. 5. Calibration result of
.
的标定结果
Fig. 6. Original absorption signal (top) and harmonic signal (bottom).原始吸收信号(上)和谐波信号(下)
Fig. 7. Temperature measurement results of three different working conditions.三种不同工况温度测量结果
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Table 1.
Spectroscopic parameters of three absorption lines.
三条吸收线谱线参数
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Table 2. Parameters of different operating conditions
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Table 3. Measurement result.
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