Laser Absorption Measurements of CO at Elevated Pressures behind Reflected Shock Waves

机译：反射冲击波后高压下CO的激光吸收测量

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A quantum-cascade laser system was employed in the athors' laboratory at Texas A&M University to measure the concentration of CO at a wavelength near 4.5 μm. Shock-tube experiments were performed using mixtures of 0.1 % CO highly diluted in argon, with 5% H_2 by volume added to each mixture to speed up the vibrational relaxation of the CO; tests near 1 atm and 10 atm behind reflected shock waves were performed to demonstrate the QCL absorption setup and relevant spectroscopic calculations at elevated temperatures (1400 - 1700 K).

机译：德克萨斯农工大学athors实验室采用了量子级联激光系统，用于测量波长在4.5μm附近的CO浓度。使用在氩气中高度稀释的0.1％CO的混合物进行冲击管实验，并向每种混合物中添加按体积计5％的H_2，以加快CO的振动弛豫。进行了在反射冲击波后面1 atm和10 atm附近的测试，以证明在高温（1400-1700 K）下的QCL吸收设置和相关的光谱计算。

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《International Symposium on Shock Waves》|2015年|221-226|共6页
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A. Camou; J.E. Vivanco; D.M. Cusano; E.L. Petersen;
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Laser Absorption Measurements of CO at Elevated Pressures behind Reflected Shock Waves

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