Laser Technology, Volume. 49, Issue 4, 544(2025)
Research on influence of water vapor on the detection of dissolved methane in oil based on photoacoustic spectroscopy
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Table 1. [in Chinese]
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process involved V-T relaxation rate/ (10−1 s−1·MPa−1) process description of energy transfer of collision reference CH4*(nv)+CH4→CH4*((n−1)v)+ CH4 8×105 between high-energy CH4 molecules and low-energy CH4 molecules [ 22 ]CH4*(nv)+N2→CH4*((n−1)v)+N2 8×104 between high-energy CH4 molecules and N2 molecules [ 22 ]CH4*(nv)+O2→CH4*((n−1)v)+O2 1.3×105 between high-energy CH4 molecules and low-energy O2 molecules [ 18 ]N2*(v)+ N2→N2+ N2 1 between high-energy N2 molecules and N2 molecules [ 23 ]O2*(v)+ N2→O 2+ N2 40 between high-energy O2 molecules and N2 molecules [ 23 ]O2*(v)+ O2→O 2+ O2 63 between high-energy O2 molecules and O2 molecules [ 23 ]O2*(v)+H2O→O2+ H2O 1.1×106 between high-energy O2 molecules and H2O molecules [ 23 ]H2O*(v)+H2O→H2O+ H2O 1.1×109 between high-energy H2O molecules and H2O molecules [ 17 ]H2O*(v)+N2→H2O+ N2 1.2×107 between high-energy H2O molecules and N2 molecules [ 17 ]
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Bingyu MO, Shanghu ZHOU, Menglong HAN, Chenxi LI, Yanjiao HE, Xiaona HOU, Qijun LIANG, Ke CHEN. Research on influence of water vapor on the detection of dissolved methane in oil based on photoacoustic spectroscopy[J]. Laser Technology, 2025, 49(4): 544
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Received: Aug. 2, 2024
Accepted: --
Published Online: Aug. 28, 2025
The Author Email: Ke CHEN (chenke@dlut.edu.cn)
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