Collisional electronic quenching of OH A 2Σ (v’=0) measured at high temperature in a shock tube
Collisional electronic quenching of OH A 2Σ (v’=0) measured at high temperature in a shock tube
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在激波管中高温下测量的 OH A 2Σ (v’=0) 的碰撞电子猝灭
DOI：
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发表时间：
1995
期刊：
影响因子：
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通讯作者：
M. Furlanetto
中科院分区：
文献类型：
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作者：
P. Paul;J. L. Durant;J. Gray;M. Furlanetto
报道了在可再现冲击波后的高温下测量的 N2、O2、CO、CO2、NO、Ar、Kr 和 Xe 的 OH A 2Σ v’=0 的电子猝灭速率系数。发现Ar淬火的横截面小于0.06A2。发现用 N2 和 Kr 淬火的横截面分别为 0.5 A2 和 1.0 A2。发现其余物质的横截面具有气体动力学量级。对于所有物种，横截面与 1900 至 2300 K 温度之间的关系非常弱。将测量的横截面与之前在较低温度下的测量结果进行了比较。观察到的随物种和温度的变化与该过程的电荷转移模型一致。
Rate coefficients are reported for electronic quenching of OH A 2Σ v’=0 by N2, O2, CO, CO2, NO, Ar, Kr, and Xe measured at high temperatures behind reproducible shock waves. The cross section for quenching by Ar was found to be less than 0.06 A2. The cross sections for quenching by N2 and Kr were found to be 0.5 and 1.0 A2, respectively. The cross sections for the remaining species were found to be of order gas kinetic. For all of the species the cross sections were found to be very weak functions of temperature from 1900 to 2300 K. The measured cross sections are compared with previous measurements at lower temperatures. The observed variation with species and with temperature is observed to be consistent with a charge‐transfer model for the process.