Measurement of the third-order transport coefficient in N2 and its effect on the longitudinal diffusion coefficient measured from the arrival-time spectra of an electron swarm
Measurement of the third-order transport coefficient in N2 and its effect on the longitudinal diffusion coefficient measured from the arrival-time spectra of an electron swarm
复制标题
N2 中三阶输运系数的测量及其对电子群到达时间谱测量的纵向扩散系数的影响
DOI：
10.1088/1361-6595/abe174
复制
发表时间：
2021
影响因子：
3.8
通讯作者：
K. Satoh
中科院分区：
文献类型：
--
作者：
S. Kawaguchi;Noriyuki Nakata;Kazushi Satoh;Kazuhiro Takahashi;K. Satoh
N2中电子群的到达时间光谱（ATS）从50 TD到700 TD（1 TD = 10-17 VCM2），通过双轴向漂移管测量，然后是第一个Townsend离子化系数从测量的ATS获得漂移速度，纵向扩散系数和纵向三阶传输系数。气体。传统上，应考虑在电子群实验中忽略，以在中度和高度减少的电场下正确获得纵向扩散。
Arrival-time spectra (ATS) of an electron swarm in N2 from 50 Td to 700 Td (1 Td = 10−17 Vcm2) were measured by double-shutter drift tube, and then the first Townsend ionization coefficient, mean-arrival-time drift velocity, longitudinal diffusion coefficient, and longitudinal third-order transport coefficient were obtained from the measured ATS. This is the first successful measurement of the third-order transport coefficient in a gas. Furthermore, we went back to an expression of the longitudinal diffusion coefficient in terms of the α parameter, which is the electron transport coefficient derived from ATS, and then demonstrated that the third-order and higher-order electron transport coefficients, which are traditionally ignored in the electron swarm experiment, should be considered to obtain the longitudinal diffusion coefficient properly at moderate and high reduced electric fields.
电子群和横截面数据
DOI：
--
发表时间：
2005
期刊：
14^<th> International Symposium on Electron-Molecule Collisions and Swarms 8
影响因子：
--
作者：
Y.Sakai;S.Tazawa;Y.Suda;H.Sugawara;Y.Sakai
通讯作者：
Y.Sakai